diff --git a/bundles/org.openhab.binding.meteoalerte/README.md b/bundles/org.openhab.binding.meteoalerte/README.md
index 7d127ac9f..29bccfe74 100644
--- a/bundles/org.openhab.binding.meteoalerte/README.md
+++ b/bundles/org.openhab.binding.meteoalerte/README.md
@@ -27,7 +27,8 @@ The Météo Alerte information that are retrieved is available as these channels
 
 | Channel ID            | Item Type | Description                                   |
 |-----------------------|-----------|-----------------------------------------------|
-| observation-time      | DateTime  | Date and time of alert creation               |
+| observation-time      | DateTime  | Date and time of report validity start        |
+| end-time              | DateTime  | Date and time of report validity end          |
 | comment               | String    | General comments on alerts for the department |
 | vent                  | String    | Wind alert level (*)                          |
 | pluie-inondation      | String    | Rain alert level (*)                          |
@@ -37,6 +38,7 @@ The Météo Alerte information that are retrieved is available as these channels
 | canicule              | String    | Heat alert level (*)                          |
 | grand-froid           | String    | Cold alert level (*)                          |
 | avalanches            | String    | Avalanche alert level (*)                     |
+| vague-submersion      | String    | Wave submersion alert level (*)               |
 | pluie-inondation-icon | Image     | Pictogram of the Rain alert level             |
 | vent-icon             | Image     | Pictogram of the Wind alert level             |
 | orage-icon            | Image     | Pictogram of Storm alert level                |
@@ -45,6 +47,7 @@ The Météo Alerte information that are retrieved is available as these channels
 | canicule-icon         | Image     | Pictogram of Heat alert level                 |
 | grand-froid-icon      | Image     | Pictogram of Cold alert level                 |
 | avalanches-icon       | Image     | Pictogram of Avalanche alert level            |
+| vague-submersion-icon | Image     | Pictogram of Wave Submersion alert level      |
 
 (*) Each alert level is described by a color : 
 
diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteBindingConstants.java b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteBindingConstants.java
index 1e7450eaf..f238f240c 100644
--- a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteBindingConstants.java
+++ b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteBindingConstants.java
@@ -12,9 +12,6 @@
  */
 package org.openhab.binding.meteoalerte.internal;
 
-import java.util.Collections;
-import java.util.Set;
-
 import org.eclipse.jdt.annotation.NonNullByDefault;
 import org.openhab.core.thing.ThingTypeUID;
 
@@ -33,6 +30,7 @@ public class MeteoAlerteBindingConstants {
     public static final ThingTypeUID THING_TYPE_METEO_ALERT = new ThingTypeUID(BINDING_ID, "department");
 
     // List of all Channel id's
+    public static final String WAVE = "vague-submersion";
     public static final String AVALANCHE = "avalanches";
     public static final String HEAT = "canicule";
     public static final String FREEZE = "grand-froid";
@@ -41,16 +39,7 @@ public class MeteoAlerteBindingConstants {
     public static final String STORM = "orage";
     public static final String RAIN = "pluie-inondation";
     public static final String WIND = "vent";
-    public static final String WIND_ICON = "vent-icon";
-    public static final String RAIN_ICON = "pluie-inondation-icon";
-    public static final String STORM_ICON = "orage-icon";
-    public static final String FLOOD_ICON = "inondation-icon";
-    public static final String SNOW_ICON = "neige-icon";
-    public static final String HEAT_ICON = "canicule-icon";
-    public static final String FREEZE_ICON = "grand-froid-icon";
-    public static final String AVALANCHE_ICON = "avalanches-icon";
     public static final String OBSERVATION_TIME = "observation-time";
+    public static final String END_TIME = "end-time";
     public static final String COMMENT = "comment";
-
-    public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(THING_TYPE_METEO_ALERT);
 }
diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteConfiguration.java b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteConfiguration.java
index 1bf3accca..ba4c65952 100644
--- a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteConfiguration.java
+++ b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteConfiguration.java
@@ -23,5 +23,5 @@ import org.eclipse.jdt.annotation.NonNullByDefault;
 @NonNullByDefault
 public class MeteoAlerteConfiguration {
     public String department = "";
-    public Integer refresh = 1440;
+    public int refresh = 1440;
 }
diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteHandlerFactory.java b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteHandlerFactory.java
index 668f9b30e..50e005430 100644
--- a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteHandlerFactory.java
+++ b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/MeteoAlerteHandlerFactory.java
@@ -12,7 +12,7 @@
  */
 package org.openhab.binding.meteoalerte.internal;
 
-import static org.openhab.binding.meteoalerte.internal.MeteoAlerteBindingConstants.*;
+import static org.openhab.binding.meteoalerte.internal.MeteoAlerteBindingConstants.THING_TYPE_METEO_ALERT;
 
 import java.time.ZonedDateTime;
 
@@ -43,31 +43,25 @@ import com.google.gson.JsonDeserializer;
 @NonNullByDefault
 public class MeteoAlerteHandlerFactory extends BaseThingHandlerFactory {
     private final Gson gson;
-    // Needed for converting UTC time to local time
-    private final TimeZoneProvider timeZoneProvider;
 
     @Activate
     public MeteoAlerteHandlerFactory(@Reference TimeZoneProvider timeZoneProvider) {
-        this.timeZoneProvider = timeZoneProvider;
-        this.gson = new GsonBuilder()
-                .registerTypeAdapter(ZonedDateTime.class, (JsonDeserializer<ZonedDateTime>) (json, type,
-                        jsonDeserializationContext) -> ZonedDateTime.parse(json.getAsJsonPrimitive().getAsString()))
+        this.gson = new GsonBuilder().registerTypeAdapter(ZonedDateTime.class,
+                (JsonDeserializer<ZonedDateTime>) (json, type, jsonDeserializationContext) -> ZonedDateTime
+                        .parse(json.getAsJsonPrimitive().getAsString())
+                        .withZoneSameInstant(timeZoneProvider.getTimeZone()))
                 .create();
     }
 
     @Override
     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
-        return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
+        return THING_TYPE_METEO_ALERT.equals(thingTypeUID);
     }
 
     @Override
     protected @Nullable ThingHandler createHandler(Thing thing) {
         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
 
-        if (thingTypeUID.equals(THING_TYPE_METEO_ALERT)) {
-            return new MeteoAlerteHandler(thing, timeZoneProvider, gson);
-        }
-
-        return null;
+        return supportsThingType(thingTypeUID) ? new MeteoAlerteHandler(thing, gson) : null;
     }
 }
diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/handler/MeteoAlerteHandler.java b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/handler/MeteoAlerteHandler.java
index a71ecbb92..d77438a38 100644
--- a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/handler/MeteoAlerteHandler.java
+++ b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/handler/MeteoAlerteHandler.java
@@ -14,24 +14,24 @@ package org.openhab.binding.meteoalerte.internal.handler;
 
 import static org.openhab.binding.meteoalerte.internal.MeteoAlerteBindingConstants.*;
 
-import java.io.BufferedInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
+import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.net.MalformedURLException;
-import java.net.URL;
 import java.time.ZonedDateTime;
+import java.util.AbstractMap;
 import java.util.Arrays;
-import java.util.List;
+import java.util.Map;
 import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 import org.eclipse.jdt.annotation.NonNullByDefault;
 import org.eclipse.jdt.annotation.Nullable;
 import org.openhab.binding.meteoalerte.internal.MeteoAlerteConfiguration;
 import org.openhab.binding.meteoalerte.internal.json.ApiResponse;
-import org.openhab.core.i18n.TimeZoneProvider;
+import org.openhab.binding.meteoalerte.internal.json.ResponseFieldDTO.AlertLevel;
 import org.openhab.core.io.net.http.HttpUtil;
 import org.openhab.core.library.types.DateTimeType;
 import org.openhab.core.library.types.RawType;
@@ -44,6 +44,7 @@ import org.openhab.core.thing.binding.BaseThingHandler;
 import org.openhab.core.types.Command;
 import org.openhab.core.types.RefreshType;
 import org.openhab.core.types.UnDefType;
+import org.osgi.framework.Bundle;
 import org.osgi.framework.FrameworkUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -62,18 +63,21 @@ public class MeteoAlerteHandler extends BaseThingHandler {
             + "facet=etat_vent&facet=etat_pluie_inondation&facet=etat_orage&facet=etat_inondation&facet=etat_neige&facet=etat_canicule&"
             + "facet=etat_grand_froid&facet=etat_avalanches&refine.nom_dept=";
     private static final int TIMEOUT_MS = 30000;
-    private static final List<String> ALERT_LEVELS = Arrays.asList("Vert", "Jaune", "Orange", "Rouge");
-    private final Logger logger = LoggerFactory.getLogger(MeteoAlerteHandler.class);
+    private static final Map<AlertLevel, String> ALERT_COLORS = Map.ofEntries(
+            new AbstractMap.SimpleEntry<AlertLevel, String>(AlertLevel.GREEN, "00ff00"),
+            new AbstractMap.SimpleEntry<AlertLevel, String>(AlertLevel.YELLOW, "ffff00"),
+            new AbstractMap.SimpleEntry<AlertLevel, String>(AlertLevel.ORANGE, "ff6600"),
+            new AbstractMap.SimpleEntry<AlertLevel, String>(AlertLevel.RED, "ff0000"),
+            new AbstractMap.SimpleEntry<AlertLevel, String>(AlertLevel.UNKNOWN, "b3b3b3"));
 
+    private final Logger logger = LoggerFactory.getLogger(MeteoAlerteHandler.class);
     // Time zone provider representing time zone configured in openHAB configuration
-    private final TimeZoneProvider timeZoneProvider;
     private final Gson gson;
     private @Nullable ScheduledFuture<?> refreshJob;
     private String queryUrl = "";
 
-    public MeteoAlerteHandler(Thing thing, TimeZoneProvider timeZoneProvider, Gson gson) {
+    public MeteoAlerteHandler(Thing thing, Gson gson) {
         super(thing);
-        this.timeZoneProvider = timeZoneProvider;
         this.gson = gson;
     }
 
@@ -120,7 +124,6 @@ public class MeteoAlerteHandler extends BaseThingHandler {
             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
                     String.format("Querying '%s' raised : %s", queryUrl, e.getMessage()));
         } catch (IOException e) {
-            logger.warn("Error opening connection to Meteo Alerte webservice : {}", e.getMessage());
             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
         }
     }
@@ -133,74 +136,49 @@ public class MeteoAlerteHandler extends BaseThingHandler {
     private void updateChannels(ApiResponse apiResponse) {
         Arrays.stream(apiResponse.getRecords()).findFirst()
                 .ifPresent((record) -> record.getResponseFieldDTO().ifPresent(fields -> {
-                    updateAlertString(WIND, fields.getVent());
-                    updateAlertString(RAIN, fields.getPluieInondation());
-                    updateAlertString(STORM, fields.getOrage());
-                    updateAlertString(FLOOD, fields.getInondation());
-                    updateAlertString(SNOW, fields.getNeige());
-                    updateAlertString(HEAT, fields.getCanicule());
-                    updateAlertString(FREEZE, fields.getGrandFroid());
-                    updateAlertString(AVALANCHE, fields.getAvalanches());
-
-                    fields.getDateInsert().ifPresent(date -> updateDate(OBSERVATION_TIME, date));
+                    updateAlert(WIND, fields.getVent());
+                    updateAlert(RAIN, fields.getPluieInondation());
+                    updateAlert(STORM, fields.getOrage());
+                    updateAlert(FLOOD, fields.getInondation());
+                    updateAlert(SNOW, fields.getNeige());
+                    updateAlert(HEAT, fields.getCanicule());
+                    updateAlert(FREEZE, fields.getGrandFroid());
+                    updateAlert(AVALANCHE, fields.getAvalanches());
+                    updateAlert(WAVE, fields.getVagueSubmersion());
                     updateState(COMMENT, new StringType(fields.getVigilanceComment()));
-                    updateIcon(WIND, fields.getVent());
-                    updateIcon(RAIN, fields.getPluieInondation());
-                    updateIcon(STORM, fields.getOrage());
-                    updateIcon(FLOOD, fields.getInondation());
-                    updateIcon(SNOW, fields.getNeige());
-                    updateIcon(HEAT, fields.getCanicule());
-                    updateIcon(FREEZE, fields.getGrandFroid());
-                    updateIcon(AVALANCHE, fields.getAvalanches());
+                    fields.getDateInsert().ifPresent(date -> updateDate(OBSERVATION_TIME, date));
+                    fields.getDatePrevue().ifPresent(date -> updateDate(END_TIME, date));
                 }));
     }
 
-    public void updateIcon(String channelId, String value) {
-        String iconChannelId = channelId + "-icon";
-        if (isLinked(iconChannelId)) {
-            String pictoName = channelId + (!value.isEmpty() ? "_" + value.toLowerCase() : "");
-            byte[] image = getImage("picto" + File.separator + pictoName + ".gif");
-            if (image != null) {
-                RawType picto = new RawType(image, "image/gif");
-                updateState(iconChannelId, picto);
-            }
-        }
-    }
-
-    private byte @Nullable [] getImage(String iconPath) {
-        URL url = FrameworkUtil.getBundle(getClass()).getResource(iconPath);
-        logger.debug("Path to icon image resource is: {}", url);
-        try (InputStream in = new BufferedInputStream(url.openStream())) {
-            ByteArrayOutputStream bos = new ByteArrayOutputStream();
-            int next = in.read();
-            while (next > -1) {
-                bos.write(next);
-                next = in.read();
-            }
-            bos.flush();
-            return bos.toByteArray();
+    public @Nullable String getResource(String iconPath) {
+        Bundle bundle = FrameworkUtil.getBundle(getClass());
+        try (InputStream stream = bundle.getResource(iconPath).openStream()) {
+            return new BufferedReader(new InputStreamReader(stream)).lines().collect(Collectors.joining("\n"));
         } catch (IOException e) {
-            logger.debug("I/O exception occurred getting image data: {}", e.getMessage(), e);
+            logger.warn("Unable to load ressource '{}' : {}", iconPath, e.getMessage());
         }
         return null;
     }
 
-    public void updateAlertString(String channelId, String value) {
-        if (!value.isEmpty() && isLinked(channelId)) {
-            int level = ALERT_LEVELS.indexOf(value);
-            if (level != -1) {
-                updateState(channelId, new StringType(Integer.toString(level)));
-            } else {
-                updateState(channelId, UnDefType.UNDEF);
-                logger.warn("Value {} is not a valid alert level for channel {}", value, channelId);
+    public void updateAlert(String channelId, AlertLevel value) {
+        String channelIcon = channelId + "-icon";
+        if (isLinked(channelId)) {
+            updateState(channelId, value != AlertLevel.UNKNOWN ? new StringType(value.name()) : UnDefType.UNDEF);
+        }
+        if (isLinked(channelIcon)) {
+            String resource = getResource(String.format("picto/%s.svg", channelId));
+            if (resource != null) {
+                resource = resource.replaceAll(ALERT_COLORS.get(AlertLevel.UNKNOWN), ALERT_COLORS.get(value));
             }
+            updateState(channelIcon,
+                    resource != null ? new RawType(resource.getBytes(), "image/svg+xml") : UnDefType.UNDEF);
         }
     }
 
     public void updateDate(String channelId, ZonedDateTime zonedDateTime) {
         if (isLinked(channelId)) {
-            ZonedDateTime localDateTime = zonedDateTime.withZoneSameInstant(timeZoneProvider.getTimeZone());
-            updateState(channelId, new DateTimeType(localDateTime));
+            updateState(channelId, new DateTimeType(zonedDateTime));
         }
     }
 }
diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/json/ResponseFieldDTO.java b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/json/ResponseFieldDTO.java
index 75ce458c5..db0ecb92d 100644
--- a/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/json/ResponseFieldDTO.java
+++ b/bundles/org.openhab.binding.meteoalerte/src/main/java/org/openhab/binding/meteoalerte/internal/json/ResponseFieldDTO.java
@@ -28,33 +28,45 @@ import com.google.gson.annotations.SerializedName;
  */
 @NonNullByDefault
 public class ResponseFieldDTO {
+    public enum AlertLevel {
+        UNKNOWN,
+        @SerializedName("Vert")
+        GREEN,
+        @SerializedName("Jaune")
+        YELLOW,
+        @SerializedName("Orange")
+        ORANGE,
+        @SerializedName("Rouge")
+        RED;
+    }
+
     @SerializedName("nom_reg")
     private String nomReg = "";
     @SerializedName("typeprev")
     private String typePrev = "";
     @SerializedName("etat_canicule")
-    private String canicule = "";
+    private AlertLevel canicule = AlertLevel.UNKNOWN;
     @SerializedName("nom_dept")
     private String nomDept = "";
     @SerializedName("etat_grand_froid")
-    private String grandFroid = "";
+    private AlertLevel grandFroid = AlertLevel.UNKNOWN;;
     @SerializedName("noversion")
     private String noVersion = "";
     @SerializedName("etat_pluie_inondation")
-    private String pluieInondation = "";
+    private AlertLevel pluieInondation = AlertLevel.UNKNOWN;;
     @SerializedName("etat_neige")
-    private String neige = "";
+    private AlertLevel neige = AlertLevel.UNKNOWN;;
     @SerializedName("etat_vent")
-    private String vent = "";
+    private AlertLevel vent = AlertLevel.UNKNOWN;;
     @SerializedName("etat_inondation")
-    private String inondation = "";
+    private AlertLevel inondation = AlertLevel.UNKNOWN;;
     @SerializedName("etat_avalanches")
-    private String avalanches = "";
+    private AlertLevel avalanches = AlertLevel.UNKNOWN;;
     @SerializedName("etat_orage")
-    private String orage = "";
+    private AlertLevel orage = AlertLevel.UNKNOWN;
     private int echeance;
     @SerializedName("etat_vague_submersion")
-    private String vagueSubmersion = "";
+    private AlertLevel vagueSubmersion = AlertLevel.UNKNOWN;;
     private String dep = "";
     @SerializedName("vigilancecommentaire_texte")
     private String vigilanceComment = "";
@@ -85,7 +97,7 @@ public class ResponseFieldDTO {
         return typePrev;
     }
 
-    public String getCanicule() {
+    public AlertLevel getCanicule() {
         return canicule;
     }
 
@@ -93,7 +105,7 @@ public class ResponseFieldDTO {
         return nomDept;
     }
 
-    public String getGrandFroid() {
+    public AlertLevel getGrandFroid() {
         return grandFroid;
     }
 
@@ -101,15 +113,15 @@ public class ResponseFieldDTO {
         return noVersion;
     }
 
-    public String getPluieInondation() {
+    public AlertLevel getPluieInondation() {
         return pluieInondation;
     }
 
-    public String getNeige() {
+    public AlertLevel getNeige() {
         return neige;
     }
 
-    public String getVent() {
+    public AlertLevel getVent() {
         return vent;
     }
 
@@ -121,15 +133,15 @@ public class ResponseFieldDTO {
         return Optional.empty();
     }
 
-    public String getInondation() {
+    public AlertLevel getInondation() {
         return inondation;
     }
 
-    public String getAvalanches() {
+    public AlertLevel getAvalanches() {
         return avalanches;
     }
 
-    public String getOrage() {
+    public AlertLevel getOrage() {
         return orage;
     }
 
@@ -137,7 +149,7 @@ public class ResponseFieldDTO {
         return echeance;
     }
 
-    public String getVagueSubmersion() {
+    public AlertLevel getVagueSubmersion() {
         return vagueSubmersion;
     }
 
diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.meteoalerte/src/main/resources/OH-INF/thing/thing-types.xml
index 5b8ac5553..b83f35eeb 100644
--- a/bundles/org.openhab.binding.meteoalerte/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.meteoalerte/src/main/resources/OH-INF/thing/thing-types.xml
@@ -9,6 +9,9 @@
 		<description>Fournit les niveaux d'alerte météo pour un département.</description>
 
 		<channels>
+			<channel id="vague-submersion" typeId="alert-level">
+				<label>Etat Vague Submersion</label>
+			</channel>
 			<channel id="vent" typeId="alert-level">
 				<label>Etat Vent</label>
 			</channel>
@@ -33,32 +36,40 @@
 			<channel id="avalanches" typeId="alert-level">
 				<label>Etat Avalanches</label>
 			</channel>
+			<channel id="vague-submersion-icon" typeId="condition-icon">
+				<label>Icône Vague Submersion</label>
+			</channel>
 			<channel id="vent-icon" typeId="condition-icon">
-				<label>Etat Vent</label>
+				<label>Icône Vent</label>
 			</channel>
 			<channel id="pluie-inondation-icon" typeId="condition-icon">
-				<label>Etat Pluie Inondation</label>
+				<label>Icône Pluie Inondation</label>
 			</channel>
 			<channel id="orage-icon" typeId="condition-icon">
-				<label>Etat Orage</label>
+				<label>Icône Orage</label>
 			</channel>
 			<channel id="inondation-icon" typeId="condition-icon">
-				<label>Etat Inondation</label>
+				<label>Icône Inondation</label>
 			</channel>
 			<channel id="neige-icon" typeId="condition-icon">
-				<label>Etat Neige</label>
+				<label>Icône Neige</label>
 			</channel>
 			<channel id="canicule-icon" typeId="condition-icon">
-				<label>Etat Canicule</label>
+				<label>Icône Canicule</label>
 			</channel>
 			<channel id="grand-froid-icon" typeId="condition-icon">
-				<label>Etat Grand Froid</label>
+				<label>Icône Grand Froid</label>
 			</channel>
 			<channel id="avalanches-icon" typeId="condition-icon">
-				<label>Etat Avalanches</label>
+				<label>Icône Avalanches</label>
 			</channel>
 			<channel id="comment" typeId="comment"/>
-			<channel id="observation-time" typeId="observation-time"/>
+			<channel id="observation-time" typeId="timestamp">
+				<label>Début de validité</label>
+			</channel>
+			<channel id="end-time" typeId="timestamp">
+				<label>Fin de validité</label>
+			</channel>
 		</channels>
 
 		<config-description>
@@ -178,10 +189,10 @@
 		<label>Alerte</label>
 		<state readOnly="true">
 			<options>
-				<option value="0">Vert</option>
-				<option value="1">Jaune</option>
-				<option value="2">Orange</option>
-				<option value="3">Rouge</option>
+				<option value="GREEN">Vert</option>
+				<option value="YELLOW">Jaune</option>
+				<option value="ORANGE">Orange</option>
+				<option value="RED">Rouge</option>
 			</options>
 		</state>
 	</channel-type>
@@ -192,10 +203,10 @@
 		<state readOnly="true" pattern="%s"/>
 	</channel-type>
 
-	<channel-type id="observation-time" advanced="true">
+	<channel-type id="timestamp" advanced="true">
 		<item-type>DateTime</item-type>
 		<label>Heure d'observation</label>
-		<description>Date et heure d'observation.</description>
+		<category>time</category>
 		<state readOnly="true"/>
 	</channel-type>
 
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deleted file mode 100644
index 4f4413458..000000000
Binary files a/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/avalanches.gif and /dev/null differ
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new file mode 100644
index 000000000..71b6a81d1
--- /dev/null
+++ b/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/avalanches.svg
@@ -0,0 +1,70 @@
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deleted file mode 100644
index cf8314875..000000000
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deleted file mode 100644
index 44b93a879..000000000
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deleted file mode 100644
index 9122bc522..000000000
Binary files a/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/avalanches_vert.gif and /dev/null differ
diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/canicule.gif b/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/canicule.gif
deleted file mode 100644
index c9799bcaa..000000000
Binary files a/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/canicule.gif and /dev/null differ
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new file mode 100644
index 000000000..b36c3b0fe
--- /dev/null
+++ b/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/canicule.svg
@@ -0,0 +1,74 @@
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+   sodipodi:docname="canicule.svg"
+   width="9.7895832"
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new file mode 100644
index 000000000..c959764d6
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diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/vent_jaune.gif b/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/vent_jaune.gif
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diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/vent_orange.gif b/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/vent_orange.gif
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diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/vent_rouge.gif b/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/vent_rouge.gif
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diff --git a/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/vent_vert.gif b/bundles/org.openhab.binding.meteoalerte/src/main/resources/picto/vent_vert.gif
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