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Post-Tropical Cyclone Blanca Forecast Advisory Number 19
2021-06-04 10:32:16| Tropical Depression LIDIA
Issued at 0900 UTC FRI JUN 04 2021
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Post-Tropical Cyclone Blanca Information by ATCF XML Prototype
2021-06-04 10:32:09| Tropical Depression LIDIA
Issued at Fri, 04 Jun 2021 08:32:09 GMT. This is only a prototype and the file format may change without notice.
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Post-Tropical Cyclone Ana Forecast Discussion Number 8
2021-05-24 04:42:08| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Sun May 23 2021 660 WTNT41 KNHC 240242 TCDAT1 Post-Tropical Cyclone Ana Discussion Number 8 NWS National Hurricane Center Miami FL AL012021 1100 PM AST Sun May 23 2021 Ana has mainly remained devoid of deep and organized convection today, with only a couple of short-lived bursts noted in satellite imagery earlier this morning. The cyclone has been an exposed cloud swirl through the afternoon and evening hours, and Ana continues moving into a hostile environment characterized by cool sea-surface temperatures, dry mid-level air, and increasing vertical wind shear. Thus, Ana has become a post-tropical cyclone, and this will be the final NHC advisory on the system. Although a recent ASCAT-B pass missed the center of post-tropical Ana, it still shows an area of 30-35 kt winds in the southeast quadrant of the low near the edge of the swath. Therefore, the initial intensity is set at 35 kt, with the slightly stronger winds likely just a product of the accelerating forward speed of the system. The post-tropical cyclone is embedded in deep-layer southwesterly flow and will continue to accelerate northeastward until it opens up into a trough and becomes absorbed by a strong baroclinic zone approaching from the northwest on Monday. Additional information on post-tropical Ana 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 24/0300Z 38.3N 55.2W 35 KT 40 MPH...POST-TROPICAL 12H 24/1200Z 41.0N 50.5W 30 KT 35 MPH...POST-TROP/REMNT LOW 24H 25/0000Z...DISSIPATED $$ Forecaster Reinhart/Brown
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Post-Tropical Cyclone Ana Graphics
2021-05-24 04:40:15| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Mon, 24 May 2021 02:40:15 GMT Wind Speed Probabilities last updated Mon, 24 May 2021 03:21:40 GMT
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Summary for Post-Tropical Cyclone Ana (AT1/AL012021)
2021-05-24 04:40:13| National Hurricane Center (Atlantic)
...ANA BECOMES A POST-TROPICAL CYCLONE... ...THIS IS THE LAST NHC ADVISORY ON ANA... As of 11:00 PM AST Sun May 23 the center of Ana was located near 38.3, -55.2 with movement NE at 28 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 40 mph.
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ana
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