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Post-Tropical Cyclone Alvin Forecast Discussion Number 16
2019-06-29 16:36:02| National Hurricane Center (East Pacific)
Issued at 800 AM PDT Sat Jun 29 2019 000 WTPZ41 KNHC 291435 TCDEP1 Post-Tropical Cyclone Alvin Discussion Number 16 NWS National Hurricane Center Miami FL EP012019 800 AM PDT Sat Jun 29 2019 Alvin continues to be devoid of deep convection while moving over cooler waters with strong southwesterly shear across the system's circulation. Due to the ongoing lack of convection, it is estimated that Alvin has degenerated into a post-tropical remnant low. The remnant low will continue to move west-northwestward to northwestward until it dissipates in 18-24 h. This is the last advisory on Alvin issued by the National Hurricane Center. For additional information on the remnant low please see High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php FORECAST POSITIONS AND MAX WINDS INIT 29/1500Z 20.7N 120.5W 25 KT 30 MPH...POST-TROP/REMNT LOW 12H 30/0000Z 21.3N 121.4W 20 KT 25 MPH...POST-TROP/REMNT LOW 24H 30/1200Z...DISSIPATED $$ Forecaster Latto/Beven
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Summary for Post-Tropical Cyclone Alvin (EP1/EP012019)
2019-06-29 16:34:34| National Hurricane Center (East Pacific)
...ALVIN DECAYS INTO A REMNANT LOW... As of 8:00 AM PDT Sat Jun 29 the center of Alvin was located near 20.7, -120.5 with movement NW at 8 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 30 mph.
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Post-Tropical Cyclone Andrea Graphics
2019-05-21 22:34:52| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Tue, 21 May 2019 20:34:52 GMT Wind Speed Probabilities last updated Tue, 21 May 2019 20:34:53 GMT
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Post-Tropical Cyclone Andrea Forecast Discussion Number 5
2019-05-21 22:33:48| National Hurricane Center (Atlantic)
Issued at 500 PM AST Tue May 21 2019 000 WTNT41 KNHC 212033 TCDAT1 Post-Tropical Cyclone Andrea Discussion Number 5 NWS National Hurricane Center Miami FL AL012019 500 PM AST Tue May 21 2019 The cyclone has lacked deep convection since early this morning, and therefore it no longer qualifies as either a tropical or a subtropical cyclone. Dry mid-level air, the influence of an upper-level low, and marginal SSTs should preclude re-development. The cyclone is likely to dissipate in a day or so as it becomes absorbed into a frontal zone. Post-tropical Andrea has turned to the east-northeast and the motion is about 070/7. The system should move mainly eastward within the mid-level westerlies until dissipation. This is the last advisory on Andrea. Additional information on this system can be found in High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php FORECAST POSITIONS AND MAX WINDS INIT 21/2100Z 30.8N 68.3W 30 KT 35 MPH...POST-TROPICAL 12H 22/0600Z 31.2N 67.0W 30 KT 35 MPH...POST-TROP/REMNT LOW 24H 22/1800Z 31.7N 62.8W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 23/0600Z...DISSIPATED $$ Forecaster Pasch
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Summary for Post-Tropical Cyclone Andrea (AT1/AL012019)
2019-05-21 22:33:18| National Hurricane Center (Atlantic)
...ANDREA IS A REMNANT LOW... ...THIS IS THE LAST ADVISORY... As of 5:00 PM AST Tue May 21 the center of Andrea was located near 30.8, -68.3 with movement ENE at 8 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 35 mph.
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andrea
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