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Summary for Hurricane Harvey (AT4/AL092017)
2017-08-26 14:59:19| National Hurricane Center (Atlantic)
...8 AM CDT POSITION AND INTENSITY UPDATE... As of 8:00 AM CDT Sat Aug 26 the center of Harvey was located near 28.7, -97.3 with movement NNW at 6 mph. The minimum central pressure was 978 mb with maximum sustained winds of about 80 mph.
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Hurricane Harvey Update Statement
2017-08-26 14:59:19| National Hurricane Center (Atlantic)
Issued at 800 AM CDT Sat Aug 26 2017 000 WTNT64 KNHC 261259 TCUAT4 Hurricane Harvey Tropical Cyclone Update NWS National Hurricane Center Miami FL AL092017 800 AM CDT Sat Aug 26 2017 ...8 AM CDT POSITION AND INTENSITY UPDATE... A NOAA tide gauge at Port Lavaca, Texas, recently measured a water level of 6.2 feet above Mean Higher High Water. The site has also recently reported sustained winds of 52 mph (83 km/h) with a gust to 72 mph (117 km/h). An automated weather station near Victoria, Texas, recently observed a sustained wind of 58 mph (107 km/h) with a gust to 77 mph (124 km/h). Another tide gauge at Seadrift, Texas, recently measured a water level of 5.7 feet above Mean Higher High Water. SUMMARY OF 800 AM CDT...1300 UTC...INFORMATION ---------------------------------------------- LOCATION...28.7N 97.3W ABOUT 25 MI...40 KM SW OF VICTORIA TEXAS ABOUT 90 MI...145 KM SE OF SAN ANTONIO TEXAS MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...978 MB...28.88 INCHES $$ Forecaster Brown
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Hurricane Harvey Public Advisory Number 24A
2017-08-26 13:52:54| National Hurricane Center (Atlantic)
Issued at 700 AM CDT Sat Aug 26 2017 000 WTNT34 KNHC 261152 TCPAT4 BULLETIN Hurricane Harvey Intermediate Advisory Number 24A NWS National Hurricane Center Miami FL AL092017 700 AM CDT Sat Aug 26 2017 ...HARVEY MOVING SLOWLY OVER TEXAS PRODUCING TORRENTIAL RAINS... ...CATASTROPHIC FLOODING EXPECTED OVER THE NEXT FEW DAYS... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...28.7N 97.2W ABOUT 20 MI...30 KM WSW OF VICTORIA TEXAS ABOUT 95 MI...150 KM SE OF SAN ANTONIO TEXAS MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...975 MB...28.79 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Baffin Bay to High Island Texas A Hurricane Warning is in effect for... * Baffin Bay to Port O'Connor Texas A Tropical Storm Warning is in effect for... * North of Port O'Connor to High Island Texas A Storm Surge Warning means there is a danger of life-threatening inundation from rising water moving inland from the coastline 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. A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning. Interests in southwestern Louisiana should continue to monitor the progress of this system. 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 48-HOUR OUTLOOK ------------------------------ At 700 AM CDT (1200 UTC), the eye of Hurricane Harvey was located by NOAA Doppler radar near latitude 28.7 North, longitude 97.2 West. Harvey is moving toward the north-northwest near 6 mph (9 km/h). Harvey is expected to slow down through the day and meander over southeastern Texas through the middle of next week. Doppler radar data indicate that maximum sustained winds have decreased to near 80 mph (130 km/h) with higher gusts. These winds are confined to a small area near the eye of the hurricane. Additional weakening is forecast, and Harvey is likely to become a tropical storm later today. Hurricane-force winds extend outward up to 35 miles (55 km) from the center, and tropical-storm-force winds extend outward up to 140 miles (220 km). The estimated minimum central pressure is 975 mb (28.79 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Harvey is expected to produce total rain accumulations of 15 to 30 inches and isolated maximum amounts of 40 inches over the middle and upper Texas coast through next Wednesday. During the same time period Harvey is expected to produce total rain accumulations of 5 to 15 inches in far south Texas, the Texas Hill Country and southwest and central Louisiana. Rainfall of this magnitude will cause catastrophic and life-threatening flooding. A list of rainfall observations compiled by the NOAA Weather Prediction Center can be found at: www.wpc.ncep.noaa.gov/discussions/nfdscc1.html 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 is expected to reach the following heights above ground if the peak surge occurs at the time of high tide... Port Aransas to Port O'Connor...6 to 12 ft Port O'Connor to Sargent...6 to 9 ft Sargent to Jamaica Beach...4 to 6 ft Baffin Bay to Port Aransas...3 to 6 ft Jamaica Beach to High Island...2 to 4 ft Mouth of the Rio Grande to Port Mansfield...1 to 3 ft High Island to Morgan City...1 to 3 ft The deepest water will occur along the immediate coast near the area of onshore winds, where the surge will be accompanied by large and destructive 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: Hurricane conditions are occuring inland from the coast within Harvey's eyewall, and hurricane-force winds, especially in gusts, are still possible near the middle Texas coast for the next several hours. Tropical storm conditions are occurring in other portions of the hurricane and tropical storm warning areas. Tropical storm conditions are likely to persist along portions of the coast through at least Sunday. SURF: Swells generated by Harvey are affecting the Texas, Louisiana, and northeast Mexico coasts. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. TORNADOES: Tornadoes are possible today and tonight near the middle and upper Texas coast into far southwest Louisiana. NEXT ADVISORY ------------- Next complete advisory at 1000 AM CDT. $$ Forecaster Avila
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Summary for Hurricane Harvey (AT4/AL092017)
2017-08-26 12:52:22| National Hurricane Center (Atlantic)
...6 AM CDT POSITION AND INTENSITY UPDATE... ...HARVEY WEAKENING BUT SURGE AND RAIN THREATS REMAIN... As of 6:00 AM CDT Sat Aug 26 the center of Harvey was located near 28.6, -97.2 with movement NW at 6 mph. The minimum central pressure was 972 mb with maximum sustained winds of about 85 mph.
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Hurricane Harvey Update Statement
2017-08-26 12:52:22| National Hurricane Center (Atlantic)
Issued at 600 AM CDT Sat Aug 26 2017 000 WTNT64 KNHC 261052 TCUAT4 Hurricane Harvey Tropical Cyclone Update NWS National Hurricane Center Miami FL AL092017 600 AM CDT Sat Aug 26 2017 ...6 AM CDT POSITION AND INTENSITY UPDATE... ...HARVEY WEAKENING BUT SURGE AND RAIN THREATS REMAIN... A NOAA tide gauge at Seadrift, Texas, recently measured a water level of 5.4 feet above Mean Higher High Water. Another NOAA tide gauge at Copano Bay, Texas, recently measured a water level of 4.0 feet above Mean Higher High Water. SUMMARY OF 600 AM CDT...1100 UTC...INFORMATION ---------------------------------------------- LOCATION...28.6N 97.2W ABOUT 25 MI...40 KM SW OF VICTORIA TEXAS ABOUT 100 MI...160 KM SE OF SAN ANTONIO TEXAS MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...972 MB...28.56 INCHES $$ Forecaster Zelinsky
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