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Lorenzo Becomes Extratropical; Still Expected To Bring Wind & Rain To Ireland & Parts Of The UK

| October 2, 2019 @ 9:51 am

SUMMARY OF 1000 AM CDT INFORMATION
LOCATION…44.4N 25.8W
ABOUT 945 MI…1525 KM WSW OF CORK IRELAND
ABOUT 970 MI…1565 KM WSW OF GALWAY IRELAND
MAXIMUM SUSTAINED WINDS…80 MPH…130 KM/H
PRESENT MOVEMENT…NE OR 40 DEGREES AT 43 MPH…69 KM/H
MINIMUM CENTRAL PRESSURE…962 MB…28.41 INCHES

The Portuguese Institute for the Sea and the Atmosphere has discontinued all warnings for the Azores.

Lorenzo has completed its transition into a powerful extratropical cyclone and this will be the last NHC advisory on this system. The center has become exposed on the southwestern edge of the cloud shield, and recent ASCAT data indicate that the system has acquired frontal features. The initial intensity is set at 70 kt, which is a little above the scatterometer data since there is typically a low bias in that instrument at these wind speeds. The global models suggest that the post-tropical cyclone will only gradually weaken during the next 24 to 36 hours as it approaches Ireland. A faster rate of weakening is expected Thursday night and Friday when the cyclone moves southeastward over Ireland and the United Kingdom. The low should dissipate over southeastern England by late Friday.

The cyclone continues to move rapidly northeastward or 040/37 kt and this general motion should continue into Thursday. After that time, the cyclone is expected to turn eastward and then southeastward within an area of weaker westerly flow. The global model guidance is in good agreement, and the NHC track forecast is closest to the ECMWF model.

Category: ALL POSTS, Tropical

About the Author ()

Scott Martin is an operational meteorologist, professional graphic artist, musician, husband, and father. Not only is Scott a member of the National Weather Association, but he is also the Central Alabama Chapter of the NWA president. Scott is also the co-founder of Racecast Weather, which provides forecasts for many racing series across the USA. He also supplies forecasts for the BassMaster Elite Series events including the BassMaster Classic.

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