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Summary for Tropical Storm Laura (AT3/AL132020)
2020-08-28 01:50:50| National Hurricane Center (Atlantic)
...LAURA CONTINUES TO PRODUCE FLOODING RAINFALL OVER PORTIONS OF ARKANSAS... As of 7:00 PM CDT Thu Aug 27 the center of Laura was located near 34.2, -92.4 with movement NNE at 15 mph. The minimum central pressure was 992 mb with maximum sustained winds of about 40 mph.
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Tropical Storm Laura Public Advisory Number 32A
2020-08-28 01:50:50| National Hurricane Center (Atlantic)
Issued at 700 PM CDT Thu Aug 27 2020 171 WTNT33 KNHC 272350 TCPAT3 BULLETIN Tropical Storm Laura Intermediate Advisory Number 32A NWS National Hurricane Center Miami FL AL132020 700 PM CDT Thu Aug 27 2020 ...LAURA CONTINUES TO PRODUCE FLOODING RAINFALL OVER PORTIONS OF ARKANSAS... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...34.2N 92.4W ABOUT 35 MI...55 KM S OF LITTLE ROCK ARKANSAS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...NNE OR 15 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.29 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Tropical storm warnings remain in effect inland over portions of southern and central Arkansas. DISCUSSION AND OUTLOOK ---------------------- At 700 PM CDT (0000 UTC), the center of Tropical Storm Laura was located near latitude 34.2 North, longitude 92.4 West. Laura is moving toward the north-northeast near 15 mph (24 km/h), and this motion should continue through tonight. A northeastward to east-northeastward motion is expected to begin on Friday and continue into Saturday. On the forecast track, the center of Laura is forecast to move over Arkansas tonight, the mid-Mississippi Valley on Friday, the mid-Atlantic states on Saturday, and over the western Atlantic on Sunday. Maximum sustained winds have decreased to near 40 mph (65 km/h) with higher gusts. Continued weakening is forecast, and Laura is expected to weaken to a tropical depression later this evening. Tropical-storm-force winds extend outward up to 90 miles (150 km) from the center. The estimated minimum central pressure based on surface observations is 992 mb (29.29 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Laura can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC. RAINFALL: Through Friday Laura is expected to produce the following additional rainfall totals: Over central and eastern Arkansas: 3 to 7 inches. Over southern Louisiana and southern Mississippi: 1 to 3 inches, with isolated additional totals of 5 inches. Isolated storm totals of 15 to 18 inches across southwest Louisiana. Over northern Mississippi, western Tennessee, and southeast Missouri: 1 to 3 inches, with isolated totals of 5 inches. This rainfall will continue to cause widespread flash and urban flooding, small streams and creeks to overflow their banks, and minor to moderate freshwater river flooding. Through Saturday, Laura is expected to produce 1 to 3 inches with isolated maximum amounts of 5 inches across portions of the Tennessee and Lower Ohio Valleys, the central and southern Appalachians, and the Mid-Atlantic States. This rainfall may lead to flash and urban flooding and rapid rises on small streams. WIND: Tropical storm force winds, especially in gusts, are expected over portions of southeastern and eastern Arkansas for the next few hours. TORNADOES: A few tornadoes remain possible this evening, mainly across central and eastern Arkansas into Mississippi. The risk for a few tornadoes should redevelop Friday afternoon into the evening across parts of the Mid-South and Tennessee Valley regions. SURF: Swells produced by Laura continue to affect the U.S. Gulf coast from the Florida Panhandle to Texas. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1000 PM CDT. $$ Forecaster Pasch
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Tropical Storm Laura Graphics
2020-08-28 01:50:46| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 27 Aug 2020 23:50:46 GMT Wind Speed Probabilities last updated Thu, 27 Aug 2020 21:24:41 GMT
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Atlantic Tropical Weather Outlook
2020-08-28 01:38:57| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 272338 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Thu Aug 27 2020 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Storm Laura, located inland over southern Arkansas. Showers and thunderstorms associated with a tropical wave over the central tropical Atlantic have gradually become a little better organized during the day. Additional development of this system is possible during the next several days while it moves westward at about 15 mph. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...low...30 percent. A tropical wave located over the eastern Atlantic Ocean just west of the Cabo Verde Islands is producing disorganized shower and thunderstorm activity. The northern part of this wave, which is expected to move rapidly westward over the central Atlantic during the next few days, is forecast to remain too far to the north and in an unfavorable environment for development to occur. However, the southern part of the wave is expected be nearly stationary south of the Cabo Verde Islands for the next several days, and some development of this system is possible early next week when it begins to move slowly westward over the eastern and central tropical Atlantic. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Berg
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Eastern North Pacific Tropical Weather Outlook
2020-08-28 01:17:26| National Hurricane Center (East Pacific)
000 ABPZ20 KNHC 272317 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Thu Aug 27 2020 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Storm Hernan, located about 75 miles southwest of Cabo Corrientes, Mexico, and also on Tropical Storm Iselle, located several hundred miles southwest of the southern tip of the Baja California peninsula. Tropical cyclone formation is not expected during the next 5 days. $$ Forecaster Beven
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