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Tropical Storm Beta Potential Storm Surge Flooding Map
2020-09-21 17:46:44| National Hurricane Center (Atlantic)
Potential Storm Surge Flooding Map last updated Mon, 21 Sep 2020 15:46:44 GMT
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Tropical Storm Beta Potential Storm Surge Flooding Map
2020-09-21 17:46:44| National Hurricane Center (Atlantic)
Potential Storm Surge Flooding Map last updated Mon, 21 Sep 2020 15:46:44 GMT
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Tropical Storm Beta Forecast Advisory Number 16
2020-09-21 17:25:46| National Hurricane Center (Atlantic)
Issued at 1500 UTC MON SEP 21 2020 000 WTNT22 KNHC 211525 CCA TCMAT2 TROPICAL STORM BETA FORECAST/ADVISORY NUMBER 16...CORRECTED NWS NATIONAL HURRICANE CENTER MIAMI FL AL222020 1500 UTC MON SEP 21 2020 CORRECTED SUMMARY OF WATCHES AND WARNINGS SECTION CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE STORM SURGE WARNING BETWEEN SABINE PASS, TX AND ROCKEFELLER WILDLIFE REFUGE, LOUISIANA HAS BEEN DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * PORT ARANSAS, TEXAS TO SABINE PASS, TEXAS INCLUDING COPANO BAY, ARANSAS BAY, SAN ANTONIO BAY, MATAGORDA BAY, AND GALVESTON BAY. A TROPICAL STORM WARNING IS IN EFFECT FOR... * PORT ARANSAS TEXAS TO MORGAN CITY LOUISIANA A TROPICAL STORM WATCH IS IN EFFECT FOR... * BAFFIN BAY TO PORT ARANSAS TEXAS A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE... DURING THE NEXT 36 HOURS IN THE INDICATED LOCATIONS. FOR A DEPICTION OF AREAS AT RISK...PLEASE SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING GRAPHIC...AVAILABLE AT HURRICANES.GOV. THIS IS A LIFE-THREATENING SITUATION. PERSONS LOCATED WITHIN THESE AREAS SHOULD TAKE ALL NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY FROM RISING WATER AND THE POTENTIAL FOR OTHER DANGEROUS CONDITIONS. PROMPTLY FOLLOW EVACUATION AND OTHER INSTRUCTIONS FROM LOCAL OFFICIALS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 36 HOURS. TROPICAL STORM CENTER LOCATED NEAR 27.9N 95.7W AT 21/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 6 KT ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT.......150NE 0SE 40SW 100NW. 12 FT SEAS.. 90NE 60SE 120SW 120NW. 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 27.9N 95.7W AT 21/1500Z AT 21/1200Z CENTER WAS LOCATED NEAR 27.8N 95.5W FORECAST VALID 22/0000Z 28.3N 96.5W...NEAR TEXAS COAST MAX WIND 45 KT...GUSTS 55 KT. 34 KT...110NE 30SE 30SW 60NW. FORECAST VALID 22/1200Z 28.5N 96.7W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 80NE 30SE 0SW 50NW. FORECAST VALID 23/0000Z 28.8N 96.3W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 60NE 60SE 0SW 0NW. FORECAST VALID 23/1200Z 29.1N 95.3W...NEAR TEXAS COAST MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 24/0000Z 29.7N 94.0W...NEAR TEXAS COAST MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 24/1200Z 30.8N 92.5W...INLAND MAX WIND 25 KT...GUSTS 35 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 25/1200Z 33.5N 89.8W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. OUTLOOK VALID 26/1200Z...DISSIPATED INLAND REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.9N 95.7W INTERMEDIATE PUBLIC ADVISORY...WTNT32 KNHC/MIATCPAT2...AT 21/1800Z NEXT ADVISORY AT 21/2100Z $$ FORECASTER STEWART
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Summary for Tropical Storm Beta (AT2/AL222020)
2020-09-21 17:20:45| National Hurricane Center (Atlantic)
...BETA MOVING A LITTLE FASTER TOWARDS THE CENTRAL TEXAS COAST... ...EXPECTED TO PRODUCE TROPICAL STORM CONDITIONS OVER PORTIONS OF THE TEXAS COAST LATER THIS MORNING AND AFTERNOON... As of 10:00 AM CDT Mon Sep 21 the center of Beta was located near 27.9, -95.7 with movement WNW at 7 mph. The minimum central pressure was 996 mb with maximum sustained winds of about 50 mph.
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Tropical Storm Beta Public Advisory Number 16
2020-09-21 17:20:45| National Hurricane Center (Atlantic)
Issued at 1000 AM CDT Mon Sep 21 2020 000 WTNT32 KNHC 211520 CCA TCPAT2 BULLETIN Tropical Storm Beta Advisory Number 16...Corrected NWS National Hurricane Center Miami FL AL222020 1000 AM CDT Mon Sep 21 2020 Corrected Watches and Warnings and Hazards sections ...BETA MOVING A LITTLE FASTER TOWARDS THE CENTRAL TEXAS COAST... ...EXPECTED TO PRODUCE TROPICAL STORM CONDITIONS OVER PORTIONS OF THE TEXAS COAST LATER THIS MORNING AND AFTERNOON... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...27.9N 95.7W ABOUT 55 MI...90 KM SE OF PORT OCONNOR TEXAS ABOUT 75 MI...120 KM SSW OF FREEPORT TEXAS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.42 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Storm Surge Warning between Sabine Pass, TX and Rockefeller Wildlife Refuge, Louisiana has been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Port Aransas, Texas to Sabine Pass, Texas including Copano Bay, Aransas Bay, San Antonio Bay, Matagorda Bay, and Galveston Bay. A Tropical Storm Warning is in effect for... * Port Aransas Texas to Morgan City Louisiana A Tropical Storm Watch is in effect for... * Baffin Bay to Port Aransas Texas A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within the next 36 hours. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 1000 AM CDT (1500 UTC), the center of Tropical Storm Beta was located by an Air Force Reserve reconnaissance aircraft and NOAA Doppler weather radars near latitude 27.9 North, longitude 95.7 West. Beta is moving toward the west-northwest near 7 mph (11 km/h), and this general motion is forecast to continue today. A decrease in forward speed and a sharp turn to the north and northeast are expected on Tuesday. On the forecast track, the center of Beta will continue to move toward the central coast of Texas today and will likely move inland by tonight. Beta is forecast to remain close to the coast of southeastern Texas on Tuesday and Wednesday. Data from the aircraft and Doppler radars indicate that maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Little change in strength is forecast before Beta reaches the Texas coast. Weakening is anticipated once Beta moves inland. Tropical-storm-force winds extend outward up to 175 miles (280 km) from the center. A Texas TCOON observing site at Port O'Connor, Texas, has recently measured a wind gust to 40 mph (65 km/h). A NOAA buoy located just east of Galveston, Texas, has reported a sustained wind of 39 mph (61 km/h) and a gust to 43 mph (66 km/h) during the past couple of hours. The estimated minimum central pressure based on data from the reconnaissance aircraft is 996 mb (29.42 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Beta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Port Aransas, TX to Sabine Pass, TX including Copano Bay, Aransas Bay, San Antonio Bay, Matagorda Bay, and Galveston Bay...2-4 ft Sabine Pass, TX to Ocean Springs, MS including Sabine Lake, Lake Calcasieu, Vermilion Bay, Lake Borgne, Lake Pontchartrain, and Lake Maurepas...1-3 ft Baffin Bay, TX to Port Aransas, TX including Corpus Christi Bay and Baffin Bay... 1-3 ft Mouth of the Rio Grande to Baffin Bay, TX...1-2 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and dangerous waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Tropical storm conditions are expected to begin later this morning in portions of the tropical storm warning area. Tropical storm conditions are possible within the tropical storm watch area later today. RAINFALL: Through Friday, Beta is expected to produce rainfall accumulations of 5 to 10 inches with isolated totals of 15 inches from the middle Texas coast to southeast Louisiana. Rainfall totals of 3 to 5 inches are expected northward into the ArkLaTex region and east into the Lower Mississippi Valley through the end of the week. Flash and urban flooding is likely, as well as isolated minor river flooding. TORNADOES: A tornado or two could occur today and tonight, near the middle to upper Texas coast or the southwestern Louisiana coast. SURF: Swells generated by a combination of Beta and a cold front over the northern Gulf of Mexico will continue along the coasts of Louisiana and Texas during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 100 PM CDT. Next complete advisory at 400 PM CDT. $$ Forecaster Stewart
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