diff --git a/main.cpp b/main.cpp
index 5e607db..a183523 100644
--- a/main.cpp
+++ b/main.cpp
@@ -16,7 +16,7 @@
 #include "pws2mqtt.h"
 #include "mqtt.h"
 //#include "version.h"
-
+#include <curl/curl.h>
 #include <sys/types.h>
 #include <sys/select.h>
 #include <sys/socket.h>
@@ -25,7 +25,7 @@
 #define BROKER_ADDRESS "localhost"
 #define MQTT_PORT 1883;
 
-uint debugLevel = ALL;
+uint debugLevel = INFO | NOTICE | INFO | WARNING | ERROR | ALERT;
 QByteArray toFollow;
 
 //class MqttClient;
@@ -43,6 +43,7 @@ int main(int argc, char *argv[])
 	debug(DEBUGMACRO, "QcoreApplication", DEBUG);
 	QCoreApplication a(argc, argv);
 
+	notify ("Météo" "Program starting");
 	// Enable logging to journald
 	qputenv("QT_FORCE_STDERR_LOGGING", QByteArray("0"));
 
@@ -61,6 +62,7 @@ int main(int argc, char *argv[])
 	mqttClient->qmqttClient->unsubscribe(mqttClient->topic);
 	mqttClient->qmqttClient->disconnectFromHost();
 	debug(DEBUGMACRO, "exiting", DEBUG);
+	notify ("Météo" "Program exiting");
 	//Closing http server
 }
 
@@ -96,10 +98,12 @@ void debug(QString debugHeader, QString msg, uint8_t level, QByteArray property)
 	if ((debugLevel & level) == 4)
 	{
 	qInfo("%s%s WARNING: %s%s", debugHeader.toStdString().c_str(), ORANGE, msg.toStdString().c_str(), NORMAL);
+	notify (debugHeader + " - " + msg);
 	}
 	if ((debugLevel & level) == 8)
 	{
 	qInfo("%s%s ERROR: %s%s", debugHeader.toStdString().c_str(), RED, msg.toStdString().c_str(), NORMAL);
+	notify ("Proram exiting " + debugHeader + " - " + msg );
 	exit(1);
 	}
 	if ((debugLevel & level) == 16)
diff --git a/mqtt.cpp b/mqtt.cpp
index f1bedc9..3dbcb7a 100644
--- a/mqtt.cpp
+++ b/mqtt.cpp
@@ -82,7 +82,7 @@ void MqttClient::on_messageSentStatusChanged(qint32 id, QMqtt::MessageStatus s,
 
 	if ( id == 0)
 	{
-		debug(DEBUGMACRO, "message id = " + QString::number(id) + this->messageStatus[static_cast<int>(s)], DEBUG);
+		debug(DEBUGMACRO, "message id = " + QString::number(id) + this->messageStatus[static_cast<int>(s)], WARNING);
 	}
 }
 
@@ -116,10 +116,10 @@ void MqttClient::updateStatus(QMqttSubscription::SubscriptionState state)
 	switch (state)
 	{
 		case QMqttSubscription::Unsubscribed:
-			debug(DEBUGMACRO, "Unsubscribed", INFO);
+			debug(DEBUGMACRO, "Unsubscribed", WARNING);
 			break;
 		case QMqttSubscription::SubscriptionPending:
-			debug(DEBUGMACRO, "Pending subscription", DEBUG);
+			debug(DEBUGMACRO, "Pending subscription", WARNING);
 			break;
 		case QMqttSubscription::Subscribed:
 			debug(DEBUGMACRO, "Subscribed", INFO);
@@ -128,7 +128,7 @@ void MqttClient::updateStatus(QMqttSubscription::SubscriptionState state)
 			debug(DEBUGMACRO, "Subscription error" + this->subscription->reason(), WARNING);
 			break;
 		case QMqttSubscription::UnsubscriptionPending:
-			debug(DEBUGMACRO, "Pending Unsubscription", DEBUG);
+			debug(DEBUGMACRO, "Pending Unsubscription", WARNING);
 			break;
 		default:
 			debug(DEBUGMACRO, "--Unknown--", DEBUG);
@@ -138,5 +138,5 @@ void MqttClient::updateStatus(QMqttSubscription::SubscriptionState state)
 
 void MqttClient::on_stateChanged(QMqttClient::ClientState state)
 {
-	debug(DEBUGMACRO,  QLatin1String("State Change : ") + this->clientStateString[state], DEBUG );
+	debug(DEBUGMACRO,  QLatin1String("State Change : ") + this->clientStateString[state], WARNING );
 }
diff --git a/pws2mqtt-qt.pro b/pws2mqtt-qt.pro
index e05df73..ca3ac40 100644
--- a/pws2mqtt-qt.pro
+++ b/pws2mqtt-qt.pro
@@ -4,6 +4,8 @@ QT += core
 QT += mqtt
 QT += httpserver
 
+LIBS += -lcurl
+
 CONFIG += c++17 console
 CONFIG -= app_bundle
 
@@ -24,6 +26,6 @@ else: unix:!android: target.path = /opt/$${TARGET}/bin
 HEADERS += \
 httpserver.h \
 mqtt.h \
-    pws2mqtt.h \
+pws2mqtt.h \
     version.h
 
diff --git a/pws2mqtt.cpp b/pws2mqtt.cpp
index 9f5e6c1..385a2d8 100644
--- a/pws2mqtt.cpp
+++ b/pws2mqtt.cpp
@@ -9,19 +9,36 @@
 #include <netinet/in.h>
 #include <QtHttpServer/QHttpServer>
 #include <QtHttpServer/QHttpServerRequest>
+#include <curl/curl.h>
+#include <QtMath>
 
 extern MqttClient *mqttClient;
 extern Pws2mqtt *pws2mqtt;
 extern QHttpServer *httpServer;
+QStringList previsionList {"Temps variable (incertain).", \
+						   "Beau temps stable (anticyclone).", \
+						   "Amélioration progressive (éclaircies).", \
+						   "Risque de pluie légère ou nuages.", \
+						   "Dégradation marquée (pluie/vent/orage).", \
+						   "Tempête ou dépression forte (vigilance)." \
+						  };
 
-QMap <QByteArray, QByteArray> propertyList;
+// Callback for curl library
+static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
+{
+	(void)contents; // Évite les warnings de compilation
+	(void)userp;
+	return size * nmemb; // On ne traite pas les données reçues
+}
+
+QMap <QByteArray, qfloat16> propertyList;
 QMap <QByteArray, QPair<QString, QByteArray>> propertyName
 {
 	{"tempf", {"Température extérieure", "°C"}},
 	{"humidity", {"Humidité extérieure", "%"}},
 	{"dewptf", {"Point de rosée", "°C"}},
 	{"windchillf", {"Température ressentie", "°C"}},
-	{"windir", {"Direction du vent", "°"}},
+	{"winddir", {"Direction du vent", "°"}},
 	{"windspeedmph", {"vitesse du vent", "km/h"}},
 	{"windgustmph", {"Rafales", "km/h"}},
 	{"rainin", {"Pluie", "mm/h"}},
@@ -32,7 +49,7 @@ QMap <QByteArray, QPair<QString, QByteArray>> propertyName
 	{"indoortempf", {"Température intérieure", "°C"}},
 	{"indoorhumidity", {"Humidité intérieure", "%"}},
 	{"baromin", {"pression atmosphérique", "hPa"}},
-	{"lowbatt", {"Batterie faible", ""}},
+	{"lowbatt", {"Alerte batterie faible", ""}},
 	{"UV", {"UV", ""}}
 };
 
@@ -105,9 +122,13 @@ void Pws2mqtt::parseData(QList<std::pair<QString, QString>> queryList)
 	QString jsonString = "{";
 	bool propertyFlag = false;
 	bool deviceFlag = false;
-	QString topic;
+	QString spaceFlag = "";
+//	QString topic;
 	QString deviceString = "\"device\": {\"ieeeAddress\": \"" + mqttClient->macAddress +  "\", \"type\": \"" + mqttClient->type + "\", \"powerSource\": \"Battery\"";
-	QString notif;
+	QString notif = "";
+	double propertyValue;
+	QStringList priorityList {"", "min", "low", "default", "High", "urgent"};
+	quint8 priority = 2;
 
 	debug(DEBUGMACRO, "looping list of query", DEBUG);
 
@@ -140,56 +161,289 @@ void Pws2mqtt::parseData(QList<std::pair<QString, QString>> queryList)
 			//mqttClient->end_message(topic, jsonString);
 			if (pair.first == "tempf")
 			{
-				QByteArray tmp = pair.second.toLatin1();
-				if (compare (propertyList[pair.first.toLatin1()], tmp, 0.2))
+				propertyValue = fahrenheitToCelsius(pair.second.toFloat());
+				if (compare (propertyList[pair.first.toLatin1()], propertyValue, 0.5))
 				{
-					notif += formatNotifString (pair, QByteArray::number(fahrenheitToCelsius(pair.second.toFloat())));
+					notif += spaceFlag + formatNotifString (pair, QByteArray::number(qPow(propertyValue, 1.0)));
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+					propertyList[pair.first.toLatin1()] = propertyValue;
 				}
 			}else if (pair.first == "humidity")
-				//TODO
-			propertyList[pair.first.toLatin1()] = pair.second.toLatin1();
+			{
+				propertyValue = pair.second.toFloat();
+				if (compare (propertyList[pair.first.toLatin1()], propertyValue, 3))
+				{
+					notif += spaceFlag + formatNotifString (pair, pair.second.toLatin1());
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+				}
+			}else if (pair.first == "windchillf")
+			{
+				propertyValue = fahrenheitToCelsius(pair.second.toFloat());
+				if (compare (propertyList[pair.first.toLatin1()], propertyValue, 0.2))
+				{
+					notif += spaceFlag + formatNotifString (pair, QByteArray::number(qPow(propertyValue, 1.0)));
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+				}
+			}else if (pair.first == "winddir")
+			{
+				propertyValue = pair.second.toFloat();
+				if (compare (propertyList[pair.first.toLatin1()], propertyValue, 90))
+				{
+					notif += spaceFlag + formatNotifString (pair, pair.second.toLatin1());
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+				}
+			}else if (pair.first == "windspeedmph")
+			{
+				propertyValue = mphTokmh(pair.second.toFloat());
+				if (compare (propertyList[pair.first.toLatin1()], propertyValue, 10))
+				{
+					notif += spaceFlag + formatNotifString (pair, QByteArray::number(round(propertyValue)));
+					if (propertyValue > 30)
+						priority = setPriority (priority, 4);
+					if (propertyValue > 50)
+						priority = setPriority (priority, 5);
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+				}
+			}else if (pair.first == "windgustmph")
+			{
+				propertyValue = mphTokmh(pair.second.toFloat());
+				if (compare (propertyList[pair.first.toLatin1()], propertyValue, 5) and propertyValue > 20)
+				{
+					notif += spaceFlag + formatNotifString (pair, QByteArray::number(round(propertyValue)));
+					if (propertyValue > 40)
+						priority = setPriority (priority, 4);
+					if (propertyValue > 60)
+						priority = setPriority (priority, 5);
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+				}
+			}else if (pair.first == "rainin")
+			{
+				propertyValue = pair.second.toFloat();
+				if (compare (propertyList[pair.first.toLatin1()], propertyValue, 0.01))
+				{
+					notif += spaceFlag + formatNotifString (pair, pair.second.toLatin1());
+					priority = setPriority (priority, 4);
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+				}
+			}else if (pair.first == "baromin")
+			{
+				propertyValue = tohPa(pair.second.toFloat());
+				pressureVariation(propertyValue);
+				if (compare (propertyList[pair.first.toLatin1()], propertyValue, 100))
+				{
+					notif += spaceFlag + formatNotifString (pair, QByteArray::number(propertyValue));
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+				}
+			}else if (pair.first == "UV")
+			{
+				propertyValue = pair.second.toFloat();
+				if (compare (propertyList[pair.first.toLatin1()], propertyValue, 1))
+				{
+					notif += spaceFlag + formatNotifString (pair, pair.second.toLatin1());
+					if (propertyValue > 3)
+						priority = setPriority (priority, 5);
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+				}
+			}else if (pair.first == "lowbat")
+			{
+				static QTime time;
+				if (pair.second.toInt() == 1 and time > QTime::currentTime().addSecs(3600))
+				{
+					notif += spaceFlag + formatNotifString (pair, "");
+					debug (DEBUGMACRO, "Notif = #" + notif + "#", DEBUG);
+					priority = setPriority (priority, 4);
+					time = time.currentTime();
+				}
+			}
+		}
+		propertyList[pair.first.toLatin1()] = propertyValue;
+		if (!notif.isEmpty())
+		{
+			spaceFlag = " ";
 		}
 	}
 	if (!jsonString.isEmpty())
 	{
 		jsonString = jsonString +", " + deviceString + "}}";
 		mqttClient->send_message(jsonString);
-		debug(DEBUGMACRO, "sent => " + jsonString, DEBUG);
+		//debug(DEBUGMACRO, "sent => " + jsonString, DEBUG);
 	}else
 	{
 		debug(DEBUGMACRO, "No values to send", DEBUG);
 	}
+
+	if (!notif.isEmpty())
+	{
+		debug(DEBUGMACRO, "calling notify with notif = #" + notif + "#", DEBUG);
+		notify (notif, priorityList[priority]);
+	}
 	debug(DEBUGMACRO, "parseData: Returning", DEBUG);
-	//return jsonString;
 }
 
-double fahrenheitToCelsius(double fahrenheit)
+quint8 previsionMeteo(double currentPressure, double variation3h)
+{
+	if (currentPressure > 1020.0 && variation3h >= 0.0)
+	{
+		return 0;
+	} else if (currentPressure > 1010.0 && currentPressure <= 1020.0 && variation3h > 0.0)
+	{
+		return 1;
+	} else if (currentPressure > 1000.0 && currentPressure <= 1010.0 && variation3h < 0.0)
+	{
+		return 2;
+	} else if (currentPressure <= 1000.0 && variation3h < -2.0)
+	{
+		return 3;
+	} else if (currentPressure < 990.0)
+	{
+		return 4;
+	} else
+	{
+		return 5;
+	}
+}
+
+void pressureVariation(qfloat16 currentPressure)
+{
+	const int NB_MESURES_3H = 360;  // 3h × 120 mesures/heure (1 mesure toutes les 30s)
+	QVector<double> historiquePressions;
+
+	debug(DEBUGMACRO, "PressureVariation", DEBUG);
+
+	historiquePressions.reserve(NB_MESURES_3H);
+
+	// Ajout de la mesure à l'historique
+	historiquePressions.push_back(currentPressure);
+
+	// Si on a assez de mesures pour couvrir 3h
+	if (historiquePressions.size() > NB_MESURES_3H)
+	{
+		historiquePressions.erase(historiquePressions.begin());
+	}
+
+	// Calcul de la variation sur 3h si on a assez de mesures
+	if (historiquePressions.size() == NB_MESURES_3H)
+	{
+		double pressionInitiale = historiquePressions.front();
+		double pressionFinale = historiquePressions.back();
+		double variation = pressionFinale - pressionInitiale;
+
+		debug(DEBUGMACRO, "Pression actuelle : " + QString::number(pressionFinale) + " hPa", DEBUG);
+		debug(DEBUGMACRO, "Variation sur 3h : " + QString::number(variation) + " hPa", DEBUG);
+
+		// Prévision météo
+		quint8 prevision = previsionMeteo(pressionFinale, variation);
+		debug(DEBUGMACRO, "Prévision : " + previsionList[prevision], DEBUG);
+
+		// Exemple : Envoi d'une alerte si nécessaire
+		if (prevision == 4)
+		{
+			notify ("ALERTE : " + previsionList[prevision], "high");
+		}else if (prevision == 5)
+		{
+			notify ("ALERTE : " + previsionList[prevision], "urgent");
+		}
+	}
+}
+
+quint8 setPriority (quint8 currentPriority, quint8 newPriority)
+{
+	if (newPriority > currentPriority)
+	{
+		return newPriority;
+	}else
+	{
+		return currentPriority;
+	}
+}
+
+double fahrenheitToCelsius (double fahrenheit)
 {
 	return (fahrenheit - 32.0) * 5.0 / 9.0;
 }
 
-qfloat16 tohPa(qfloat16 value)
+qfloat16 tohPa (qfloat16 value)
 {
 	return value * 33.8639;
 }
 
-bool compare (QByteArray valueBA, QByteArray testValueBA, qfloat16 ecart)
+qfloat16 mphTokmh (qfloat16 value)
 {
-	qfloat16 value = valueBA.toFloat();
-	qfloat16 testValue = testValueBA.toFloat();
+	return value * 1.60934;
+}
 
-	if (value <= (testValue - ecart) or value >= (testValue + ecart))
+bool compare (qfloat16 value, qfloat16 currentValue, qfloat16 ecart)
+{
+
+	debug(DEBUGMACRO, "value: " + QByteArray::number(value) + "testValue: " + QByteArray::number(currentValue), DEBUG);
+
+	if (currentValue <= (value - ecart) or currentValue >= (value + ecart))
 	{
+		debug(DEBUGMACRO, "compare return true", DEBUG);
 		return true;
 	}else
 	{
+		debug(DEBUGMACRO, "compare return false", DEBUG);
 		return false;
 	}
 }
 
 QString formatNotifString (QPair <QString, QString> pair, QByteArray value)
 {
-	return propertyName[pair.first.toLatin1()].first + " : " + value + propertyName[pair.first.toLatin1()].second;
-
+	return "- " + propertyName[pair.first.toLatin1()].first + " : " + value + propertyName[pair.first.toLatin1()].second;
+}
+
+void notify(QString notif, QString priority)
+{
+	CURL *curl;
+	CURLcode res;
+
+	priority = "Priority: " + priority;
+
+	// Initialise libcurl
+	curl_global_init(CURL_GLOBAL_DEFAULT);
+	curl = curl_easy_init();
+
+	if (curl)
+	{
+		// URL de ton serveur ntfy
+		QString url = "http://localhost:81/Meteo";  // Remplace par ton URL et topic
+
+		// Message à envoyer
+		QString message = notif;
+
+		// Définis les en-têtes pour le titre et les priorités
+		struct curl_slist *headers = NULL;
+		headers = curl_slist_append(headers, "Title: Météo");
+		headers = curl_slist_append(headers, priority.toStdString().c_str());
+		headers = curl_slist_append(headers, "Markdown: yes");
+		headers = curl_slist_append(headers, "Config: /etc/ntfy.client.yml");
+		headers = curl_slist_append(headers, "Firebase: no");
+
+		// Configure la requête POST
+		curl_easy_setopt(curl, CURLOPT_URL, url.toUtf8().constData());
+		curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
+		curl_easy_setopt(curl, CURLOPT_POSTFIELDS, message.toUtf8().constData());
+		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
+
+		// Exécute la requête
+		res = curl_easy_perform(curl);
+
+		// Vérifie les erreurs
+		if (res != CURLE_OK)
+		{
+			qCritical() << "Erreur libcurl :" << curl_easy_strerror(res);
+		} else
+		{
+			qDebug() << "Notification envoyée avec succès !";
+		}
+
+		// Nettoie les ressources
+		curl_slist_free_all(headers);
+		curl_easy_cleanup(curl);
+	}
+
+	// Nettoie libcurl
+	curl_global_cleanup();
 }
 
diff --git a/pws2mqtt.h b/pws2mqtt.h
index de26147..83eec45 100644
--- a/pws2mqtt.h
+++ b/pws2mqtt.h
@@ -50,7 +50,12 @@ class Pws2mqtt	: public QObject
 };
 double fahrenheitToCelsius(double fahrenheit);
 qfloat16 tohPa(qfloat16 value);
-bool compare (QByteArray value, QByteArray testValue, qfloat16 ecart = 0.5);
+bool compare (qfloat16 value, qfloat16 testValue, qfloat16 ecart = 0.5);
 QString formatNotifString (QPair<QString, QString> pair, QByteArray value);
+qfloat16 mphTokmh (qfloat16 value);
+void notify (QString notif, QString priority = "low");
+quint8 setPriority (quint8 currentPriority, quint8 newPriority);
+quint8 previsionMeteo(double currentPressure, double variation3h);
+void pressureVariation(qfloat16 currentPressure);
 
 #endif // PWS2MQTT_H