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Post-Tropical Cyclone Chantal Graphics
2019-08-24 04:35:24| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 24 Aug 2019 02:35:24 GMT Wind Speed Probabilities last updated Sat, 24 Aug 2019 03:24:26 GMT
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Post-Tropical Cyclone Chantal Forecast Discussion Number 13
2019-08-24 04:34:34| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Fri Aug 23 2019 000 WTNT44 KNHC 240234 TCDAT4 Post-Tropical Cyclone Chantal Discussion Number 13 NWS National Hurricane Center Miami FL AL042019 1100 PM AST Fri Aug 23 2019 Chantal has not produced organized deep convection since early this morning and is now a remnant low. Recent ASCAT data indicate that the maximum winds associated with the cyclone remain near 25 kt. The remnant low is forecast to gradually spin down during the next couple of days while it slowly makes a small clockwise loop over the central North Atlantic. By Monday, the low will likely become poorly defined and dissipate. This is the last NHC advisory on Chantal. FORECAST POSITIONS AND MAX WINDS INIT 24/0300Z 35.6N 40.9W 25 KT 30 MPH...POST-TROP/REMNT LOW 12H 24/1200Z 35.1N 41.7W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 25/0000Z 34.9N 43.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 25/1200Z 35.4N 43.8W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 26/0000Z 35.9N 44.1W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 27/0000Z...DISSIPATED $$ Forecaster Zelinsky
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Summary for Post-Tropical Cyclone Chantal (AT4/AL042019)
2019-08-24 04:34:09| National Hurricane Center (Atlantic)
...CHANTAL BECOMES A REMNANT LOW... ...THIS IS THE LAST ADVISORY... As of 11:00 PM AST Fri Aug 23 the center of Chantal was located near 35.6, -40.9 with movement S at 6 mph. The minimum central pressure was 1014 mb with maximum sustained winds of about 30 mph.
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Post-Tropical Cyclone Chantal Public Advisory Number 13
2019-08-24 04:34:09| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Fri Aug 23 2019 000 WTNT34 KNHC 240234 TCPAT4 BULLETIN Post-Tropical Cyclone Chantal Advisory Number 13 NWS National Hurricane Center Miami FL AL042019 1100 PM AST Fri Aug 23 2019 ...CHANTAL BECOMES A REMNANT LOW... ...THIS IS THE LAST ADVISORY... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...35.6N 40.9W ABOUT 785 MI...1265 KM W OF THE AZORES MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...S OR 185 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...1014 MB...29.95 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Post-Tropical Cyclone Chantal was located near latitude 35.6 North, longitude 40.9 West. The post-tropical cyclone is moving toward the south near 6 mph (9 km/h). A turn toward the southwest and west is expected over the weekend, followed by a slow motion toward the northwest Sunday night and Monday. Maximum sustained winds are near 30 mph (45 km/h) with higher gusts. Gradual weakening is anticipated and Chantal is forecast to dissipate on Monday. The estimated minimum central pressure is 1014 mb (29.95 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on Chantal. 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 $$ Forecaster Zelinsky
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Post-Tropical Cyclone Chantal Wind Speed Probabilities Number 13
2019-08-24 04:34:09| National Hurricane Center (Atlantic)
Issued at 0300 UTC SAT AUG 24 2019 000 FONT14 KNHC 240234 PWSAT4 POST-TROPICAL CYCLONE CHANTAL WIND SPEED PROBABILITIES NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042019 0300 UTC SAT AUG 24 2019 AT 0300Z THE CENTER OF POST-TROPICAL CYCLONE CHANTAL WAS LOCATED NEAR LATITUDE 35.6 NORTH...LONGITUDE 40.9 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 25 KTS...30 MPH...45 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 00Z SAT AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 00Z SAT 12Z SAT 00Z SUN 12Z SUN 00Z MON 00Z TUE 00Z WED PERIODS TO TO TO TO TO TO TO 12Z SAT 00Z SUN 12Z SUN 00Z MON 00Z TUE 00Z WED 00Z THU FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER ZELINSKY
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