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Tropical Storm Theta Public Advisory Number 20
2020-11-14 21:35:40| National Hurricane Center (Atlantic)
Issued at 900 PM GMT Sat Nov 14 2020 000 WTNT35 KNHC 142035 TCPAT5 BULLETIN Tropical Storm Theta Advisory Number 20 NWS National Hurricane Center Miami FL AL302020 900 PM GMT Sat Nov 14 2020 ...THETA HOLDING ON AS A TROPICAL CYCLONE BUT SHOULD BECOME A REMNANT LOW SOON... SUMMARY OF 900 PM GMT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...31.7N 19.2W ABOUT 620 MI...995 KM SE OF THE AZORES MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...E OR 95 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 900 PM GMT (2100 UTC), the center of Tropical Storm Theta was located near latitude 31.7 North, longitude 19.2 West. Theta is moving toward the east near 6 mph (9 km/h), and this general motion with a gradual decrease in forward speed is expected through at least tonight. A turn to the northeast is forecast to occur by late Sunday, and Theta is expected to accelerate to the northeast on Monday. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Weakening is expected over the next few days, and Theta is forecast to become a remnant low by Sunday morning, and dissipate early next week. Tropical-storm-force winds extend outward up to 90 miles (150 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 300 AM GMT. $$ Forecaster Latto
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Tropical Storm Theta Forecast Advisory Number 20
2020-11-14 21:34:35| National Hurricane Center (Atlantic)
Issued at 2100 UTC SAT NOV 14 2020 000 WTNT25 KNHC 142034 TCMAT5 TROPICAL STORM THETA FORECAST/ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL AL302020 2100 UTC SAT NOV 14 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 31.7N 19.2W AT 14/2100Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE EAST OR 95 DEGREES AT 5 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT....... 60NE 0SE 80SW 80NW. 12 FT SEAS..150NE 180SE 240SW 150NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 31.7N 19.2W AT 14/2100Z AT 14/1800Z CENTER WAS LOCATED NEAR 31.7N 19.5W FORECAST VALID 15/0600Z 31.7N 18.3W...POST-TROP/REMNT LOW MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 15/1800Z 32.1N 17.5W...POST-TROP/REMNT LOW MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 16/0600Z 33.2N 17.0W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 16/1800Z 35.1N 16.4W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 17/0600Z 38.1N 14.7W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 17/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.7N 19.2W NEXT ADVISORY AT 15/0300Z $$ FORECASTER LATTO
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Tropical Storm Theta Graphics
2020-11-14 15:58:40| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 14 Nov 2020 14:58:40 GMT Wind Speed Probabilities last updated Sat, 14 Nov 2020 15:24:38 GMT
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Tropical Storm Theta Forecast Discussion Number 19
2020-11-14 15:57:29| National Hurricane Center (Atlantic)
Issued at 300 PM GMT Sat Nov 14 2020 000 WTNT45 KNHC 141457 TCDAT5 Tropical Storm Theta Discussion Number 19 NWS National Hurricane Center Miami FL AL302020 300 PM GMT Sat Nov 14 2020 Theta's center continues to be devoid of deep convection as dry air entrains into the system's circulation. The edge of the only nearby surviving convection is located about 60 n mi to the southeast of the cyclone's center due to increasing northwesterly shear. A recent ASCAT overpass showed a fair amount of wind vectors of 30-34 kt, therefore the initial intensity remains 35 kt for this advisory. The shear is expected to increase even more today, and the surrounding environment is forecast to dry out further. These factors, that should persist for at least the next few days, should prevent any new convection from developing near the center of Theta. The latest NHC forecast calls for the system to become a remnant low in 12 h and dissipate in 72 h, as the circulation gradually spins down. The storm is now moving just south of due east around 7 kt as it is steered along the northern periphery of a mid-level ridge. This ridge is forecast to weaken over the next couple of days, which will cause Theta to slow its forward motion. Early next week, increasing southerly flow ahead of an approaching cold front should pick up the remnants of Theta and accelerate them northward, and then northeastward. The latest NHC track forecast is similar to the previous one and lies near the track consensus models. FORECAST POSITIONS AND MAX WINDS INIT 14/1500Z 31.8N 20.2W 35 KT 40 MPH 12H 15/0000Z 31.6N 19.1W 35 KT 40 MPH...POST-TROP/REMNT LOW 24H 15/1200Z 31.7N 18.3W 30 KT 35 MPH...POST-TROP/REMNT LOW 36H 16/0000Z 32.4N 17.8W 25 KT 30 MPH...POST-TROP/REMNT LOW 48H 16/1200Z 33.7N 17.4W 20 KT 25 MPH...POST-TROP/REMNT LOW 60H 17/0000Z 36.1N 16.4W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 17/1200Z...DISSIPATED $$ Forecaster Latto
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Summary for Tropical Storm Theta (AT5/AL302020)
2020-11-14 15:56:59| National Hurricane Center (Atlantic)
...THETA EXPECTED TO BECOME A REMNANT LOW BY TONIGHT... As of 3:00 PM GMT Sat Nov 14 the center of Theta was located near 31.8, -20.2 with movement E at 8 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 40 mph.
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