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Tropical Depression Chantal Graphics
2019-08-22 16:36:25| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 22 Aug 2019 14:36:25 GMT Wind Speed Probabilities last updated Thu, 22 Aug 2019 15:24:32 GMT
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Tropical Depression Chantal Graphics
2019-08-22 10:43:58| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 22 Aug 2019 08:43:58 GMT Wind Speed Probabilities last updated Thu, 22 Aug 2019 09:24:28 GMT
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Tropical Depression Chantal Forecast Discussion Number 6
2019-08-22 10:42:43| National Hurricane Center (Atlantic)
Issued at 500 AM AST Thu Aug 22 2019 000 WTNT44 KNHC 220842 TCDAT4 Tropical Depression Chantal Discussion Number 6 NWS National Hurricane Center Miami FL AL042019 500 AM AST Thu Aug 22 2019 Chantal has been able to sustain an area of convection just to the east of its low-level center since the last advisory, and final-T numbers are actually back up to a unanimous T2.0/30 kt from TAFB and SAB. The initial intensity is therefore held at 30 kt. The depression is getting ready to move over a tongue of slightly warmer waters, and vertical shear is forecast to decrease below 10 kt in a day or two. However, there is abundant dry air around the system, and upper-level convergence is expected to increase, both of which should extinguish Chantal's organized deep convection in 24-36 hours. The NHC intensity forecast continues to most closely follow the global models, with Chantal expected to become a remnant low on Friday and degenerate into a trough on Sunday. Chantal is moving south of due east and a little slower than before, or 100/15 kt. A low- to mid-level ridge to the south is expected to build over Chantal in the coming days, leaving the depression in weak steering flow and causing it to make a slow clockwise loop before it dissipates. The new NHC track forecast is mainly an update of the previous one and lies between the ECMWF, HCCA, and the multi-model consensus aids. FORECAST POSITIONS AND MAX WINDS INIT 22/0900Z 39.1N 45.7W 30 KT 35 MPH 12H 22/1800Z 38.4N 43.5W 30 KT 35 MPH 24H 23/0600Z 37.3N 41.8W 30 KT 35 MPH 36H 23/1800Z 36.3N 41.3W 25 KT 30 MPH...POST-TROP/REMNT LOW 48H 24/0600Z 35.6N 41.8W 25 KT 30 MPH...POST-TROP/REMNT LOW 72H 25/0600Z 36.2N 43.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 96H 26/0600Z...DISSIPATED $$ Forecaster Berg
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Summary for Tropical Depression Chantal (AT4/AL042019)
2019-08-22 10:42:20| National Hurricane Center (Atlantic)
...CHANTAL SLOWING DOWN OVER THE NORTH ATLANTIC... As of 5:00 AM AST Thu Aug 22 the center of Chantal was located near 39.1, -45.7 with movement E at 17 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 35 mph.
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Tropical Depression Chantal Public Advisory Number 6
2019-08-22 10:42:20| National Hurricane Center (Atlantic)
Issued at 500 AM AST Thu Aug 22 2019 000 WTNT34 KNHC 220842 TCPAT4 BULLETIN Tropical Depression Chantal Advisory Number 6 NWS National Hurricane Center Miami FL AL042019 500 AM AST Thu Aug 22 2019 ...CHANTAL SLOWING DOWN OVER THE NORTH ATLANTIC... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...39.1N 45.7W ABOUT 645 MI...1035 KM SE OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...E OR 100 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...1010 MB...29.83 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Depression Chantal was located near latitude 39.1 North, longitude 45.7 West. The depression is moving toward the east near 17 mph (28 km/h). Chantal is forecast to slow down and make a clockwise loop through the weekend. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Weakening is expected, and Chantal is forecast to degenerate into a remnant low by Friday. The estimated minimum central pressure is 1010 mb (29.83 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Berg
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