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Summary for Hurricane Harvey (AT4/AL092017)

2017-08-26 02:57:18| National Hurricane Center (Atlantic)

...8 PM CDT POSITION AND INTENSITY UPDATE... ...THE EYEWALL OF CATEGORY 4 HARVEY BEGINNING TO MOVE ONSHORE OF THE MIDDLE TEXAS COAST... As of 8:00 PM CDT Fri Aug 25 the center of Harvey was located near 27.9, -96.8 with movement NW at 8 mph. The minimum central pressure was 941 mb with maximum sustained winds of about 130 mph.

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Hurricane Harvey Update Statement

2017-08-26 02:57:18| National Hurricane Center (Atlantic)

Issued at 800 PM CDT Fri Aug 25 2017 000 WTNT64 KNHC 260057 TCUAT4 Hurricane Harvey Tropical Cyclone Update NWS National Hurricane Center Miami FL AL092017 800 PM CDT Fri Aug 25 2017 ...8 PM CDT POSITION AND INTENSITY UPDATE... ...THE EYEWALL OF CATEGORY 4 HARVEY BEGINNING TO MOVE ONSHORE OF THE MIDDLE TEXAS COAST... A station at Aransas Pass run by the Texas Coastal Observing Network recently reported a sustained wind of 90 mph (145 km/h) with a gust to 108 mph (174 km/h). A station at Flour Bluff, Texas, recently reported a sustained wind of 81 mph (130 km/h). SUMMARY OF 800 PM CDT...0100 UTC...INFORMATION ---------------------------------------------- LOCATION...27.9N 96.8W ABOUT 35 MI...60 KM E OF CORPUS CHRISTI TEXAS ABOUT 40 MI...70 KM SW OF PORT OCONNOR TEXAS MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...941 MB...27.79 INCHES $$ Forecaster Cangialosi

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Hurricane Harvey Public Advisory Number 22A

2017-08-26 01:56:28| National Hurricane Center (Atlantic)

Issued at 700 PM CDT Fri Aug 25 2017 000 WTNT34 KNHC 252356 TCPAT4 BULLETIN Hurricane Harvey Intermediate Advisory Number 22A NWS National Hurricane Center Miami FL AL092017 700 PM CDT Fri Aug 25 2017 ...EYE OF CATEGORY 4 HARVEY APPROACHING THE COAST BETWEEN PORT ARANSAS AND PORT O'CONNOR TEXAS... ...CATASTROPHIC FLOODING EXPECTED DUE TO HEAVY RAINFALL AND STORM SURGE... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...27.8N 96.8W ABOUT 35 MI...55 KM E OF CORPUS CHRISTI TEXAS ABOUT 50 MI...80 KM SSW OF PORT OCONNOR TEXAS MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...941 MB...27.79 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Port Mansfield to High Island Texas A Hurricane Warning is in effect for... * Port Mansfield to Sargent Texas A Tropical Storm Warning is in effect for... * North of Sargent 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, in this case within the next few hours. Preparations to protect life and property should already be complete. 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 PM CDT (0000 UTC), the eye of Hurricane Harvey was located by reconnaissance aircraft and NOAA Doppler radar near latitude 27.8 North, longitude 96.8 West. Harvey is moving toward the northwest near 8 mph (13 km/h), but its forward speed is expected to decrease during the next couple of days. On the forecast track, Harvey will make landfall on the middle Texas coast during the next several hours. Harvey is then likely to meander near or just inland of the middle Texas coast through the weekend. Reports from an Air Force Reserve Hurricane Hunter aircraft indicate that maximum sustained winds remain near 130 mph (215 km/h) with higher gusts. Harvey is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Little change in strength is likely before landfall. Weakening is then expected over the weekend while the center moves inland over Texas. 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). A Texas Coastal Ocean Observing Network station at Aransas Pass recently reported sustained winds of 79 mph (128 km/h) and a wind gust of 101 mph (163 km/h). The latest minimum central pressure reported by the Hurricane Hunter aircraft is 941 mb (27.79 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 and the Texas Hill Country over through southwest and central Louisiana. Rainfall of this magnitude will cause catastrophic and life-threatening flooding. 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...9 to 13 ft Elsewhere N Entrance Padre Island Natl Seashore to Sargent...6 to 12 ft Sargent to Jamaica Beach...5 to 8 ft Port Mansfield to N Entrance Padre Island Natl Seashore...3 to 5 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 and to the northeast of the landfall location, 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 along the coast in the Port Aransas area and should spread over other portions of the hurricane warning area during 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: A few tornadoes are possible through Saturday near the middle and upper Texas coast into far southwestern Louisiana. NEXT ADVISORY ------------- Next complete advisory at 1000 PM CDT. $$ Forecaster Beven

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Summary for Hurricane Harvey (AT4/AL092017)

2017-08-26 00:59:17| National Hurricane Center (Atlantic)

...6 PM CDT POSITION AND INTENSITY UPDATE... ...HARVEY BECOMES A CATEGORY FOUR HURRICANE... ...SUSTAINED HURRICANE-FORCE WINDS SPREADING ONTO THE MIDDLE TEXAS COAST... As of 6:00 PM CDT Fri Aug 25 the center of Harvey was located near 27.7, -96.7 with movement NW at 8 mph. The minimum central pressure was 941 mb with maximum sustained winds of about 130 mph.

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Hurricane Harvey Update Statement

2017-08-26 00:59:17| National Hurricane Center (Atlantic)

Issued at 600 PM CDT Fri Aug 25 2017 000 WTNT64 KNHC 252259 TCUAT4 Hurricane Harvey Tropical Cyclone Update NWS National Hurricane Center Miami FL AL092017 600 PM CDT Fri Aug 25 2017 ...6 PM CDT POSITION AND INTENSITY UPDATE... ...HARVEY BECOMES A CATEGORY FOUR HURRICANE... ...SUSTAINED HURRICANE-FORCE WINDS SPREADING ONTO THE MIDDLE TEXAS COAST... Air Force Reserve Reconnaissance aircraft data indicate that Harvey has become a category 4 hurricane with maximum sustained winds of 130 mph (215 km/h). A station at Aransas Pass run by the Texas Coastal Observing Network recently reported a sustained wind of 74 mph (119 km/h) with a gust to 96 mph (154 km/h). SUMMARY OF 600 PM CDT...2300 UTC...INFORMATION ---------------------------------------------- LOCATION...27.7N 96.7W ABOUT 45 MI...70 KM E OF CORPUS CHRISTI TEXAS ABOUT 50 MI...85 KM SSW OF PORT OCONNOR TEXAS MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...941 MB...27.79 INCHES $$ Forecaster Blake

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