Real Time

Areas

Monroe; Wayne; Wyoming; Livingston; Ontario; Chautauqua; Cattaraugus; Allegany; Southern Erie

Note

Description

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of western New York, including the following counties, Allegany, Cattaraugus, Chautauqua, Livingston, Monroe, Ontario, Southern Erie, Wayne and Wyoming. * WHEN...Until 2 AM EDT Tuesday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A slow moving cold front will track across Western and North Central New York late this afternoon and evening, with the potential for heavy rain. Repeated storms over any given location will have the potential to lead to poor drainage flooding and flash flooding. - http://www.weather.gov/safety/flood

Instruction

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Areas

Monroe; Wayne; Wyoming; Livingston; Ontario; Chautauqua; Cattaraugus; Allegany; Southern Erie

Note

Description

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of western New York, including the following counties, Allegany, Cattaraugus, Chautauqua, Livingston, Monroe, Ontario, Southern Erie, Wayne and Wyoming. * WHEN...Until 2 AM EDT Tuesday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A slow moving cold front will track across Western and North Central New York late this afternoon and evening, with the potential for heavy rain. Repeated storms over any given location will have the potential to lead to poor drainage flooding and flash flooding. - http://www.weather.gov/safety/flood

Instruction

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Areas

Note

Service Notice – April 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – avril 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Description

Conditions are favourable for the development of squalls with wind gusts possibly exceeding 35 knots and hail. Thunderstorms are expected to impact portions of eastern Lake Erie, eastern Lake Ontario as well as the St. Lawrence River later this afternoon and evening. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Instruction

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

Areas

Note

Service Notice – April 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – avril 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Description

Conditions are favourable for the development of squalls with wind gusts possibly exceeding 35 knots and hail. Thunderstorms are expected to impact portions of eastern Lake Erie, eastern Lake Ontario as well as the St. Lawrence River later this afternoon and evening. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Instruction

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

Areas

Note

Service Notice – April 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is planned for deployment for later in 2025. Data changes will appear in CAP-CP upon this deployment, and 2) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – avril 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est prévue d’être déployée plus tard en 2025. Des changements aux données apparaîtront dans le PC-PAC lors de ce déploiement, et 2) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Description

Conditions are favourable for the development of squalls with wind gusts possibly exceeding 35 knots and hail. Thunderstorms are expected to impact portions of eastern Lake Erie, eastern Lake Ontario as well as the St. Lawrence River later this afternoon and evening. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Instruction

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.