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Tropical Storm Eta Graphics
2020-11-12 18:52:02| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 12 Nov 2020 17:52:02 GMT Wind Speed Probabilities last updated Thu, 12 Nov 2020 15:24:49 GMT
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Summary for Tropical Storm Eta (AT4/AL292020)
2020-11-12 18:51:20| National Hurricane Center (Atlantic)
...ETA MOVING OFFSHORE OVER THE ATLANTIC WATERS NEAR THE FLORIDA/GEORGIA BORDER... As of 1:00 PM EST Thu Nov 12 the center of Eta was located near 30.8, -81.4 with movement NNE at 15 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 40 mph.
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Tropical Storm Eta Public Advisory Number 49A
2020-11-12 18:51:20| National Hurricane Center (Atlantic)
Issued at 100 PM EST Thu Nov 12 2020 271 WTNT34 KNHC 121751 TCPAT4 BULLETIN Tropical Storm Eta Intermediate Advisory Number 49A NWS National Hurricane Center Miami FL AL292020 100 PM EST Thu Nov 12 2020 ...ETA MOVING OFFSHORE OVER THE ATLANTIC WATERS NEAR THE FLORIDA/GEORGIA BORDER... SUMMARY OF 100 PM EST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...30.8N 81.4W ABOUT 40 MI...65 KM NNE OF JACKSONVILLE FLORIDA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...NNE OR 30 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: All Tropical Storm Warnings have been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. 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 100 PM EST (1800 UTC), the center of Tropical Storm Eta was located near latitude 30.8 North, longitude 81.4 West. Eta is moving toward the north-northeast near 15 mph (24 km/h). A faster north-northeastward to northeastward motion is expected over the next couple of days. On the forecast track, Eta is expected to accelerate over the western Atlantic and move parallel to, but offshore of the Carolinas tonight and early Friday before heading well east of the Mid-Atlantic coast by late Friday. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Little change in strength is forecast through early Friday. Eta could re-intensify as a non-tropical cyclone late Friday or Friday night before becoming absorbed by a larger non-tropical cyclone on Saturday. Tropical-storm-force winds extend outward up to 115 miles (185 km) primarily over water to the east of the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Eta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4, WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml. RAINFALL: Eta will produce an additional 1 to 3 inches of rain across portions of the Florida Peninsula through today, with isolated maximum storm total accumulations of 20 to 25 inches in South Florida. Localized flash and urban flooding will be possible across the Florida Peninsula today, especially across previously inundated areas. Minor river flooding is expected across portions of West Florida lasting into the weekend. SURF: Swells generated by Eta are expected to begin to affect portions of the coast of the southeastern United States later today. 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 400 PM EST. $$ Forecaster Brown
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Tropical Storm Eta Graphics
2020-11-12 15:52:41| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Thu, 12 Nov 2020 14:52:41 GMT Wind Speed Probabilities last updated Thu, 12 Nov 2020 15:24:49 GMT
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Tropical Storm Eta Forecast Discussion Number 49
2020-11-12 15:47:48| National Hurricane Center (Atlantic)
Issued at 1000 AM EST Thu Nov 12 2020 000 WTNT44 KNHC 121447 TCDAT4 Tropical Storm Eta Discussion Number 49 NWS National Hurricane Center Miami FL AL292020 1000 AM EST Thu Nov 12 2020 The center of Eta made landfall near Cedar Key, Florida with an estimated intensity of 45 kt shortly after the release of the previous NHC advisory package. Since that time, the center of Eta has moved across the northern portion of the Florida peninsula. Some weakening has occurred, but ship and buoy observations along and just off the northeast Florida coast support an initial intensity of 40 kt. Little change in strength is expected when Eta moves over the western Atlantic tonight and early Friday due to moderate to strong southwesterly shear. The ECMWF and UKMET models indicate that Eta could strengthen after it merges with a frontal zone and becomes extratropical well offshore of the east coast of the United States late Friday and Friday night. The NHC forecast calls for some slight intensification of the extratropical cyclone before it is absorbed by a large low pressure area over the western Atlantic on Saturday. Eta is moving northeastward at about 13 kt. Eta should continue to accelerate northeastward over the next day or so within the mid-latitude westerlies, ahead of a trough that will move across the Great Lakes region on Friday. The new official forecast is again a little faster than the previous NHC track, but the latest guidance did not require much cross-track change. Deep-layer moisture from that has spread northward along a frontal boundary across the Carolinas is producing heavy rainfall and flash flooding that is not directly associated with Eta. See products from the NOAA Weather Prediction Center and your local National Weather Service office for additional information. Key Messages: 1. Tropical-storm-force winds are expected in the warning area along portions of the northeast Florida Coast through early this afternoon. 2. Localized bands of heavy rainfall will continue to impact portions of the Florida Peninsula today, resulting in isolated flash and urban flooding, especially across previously inundated areas. Minor river flooding is expected across portions of West Florida lasting into the weekend. FORECAST POSITIONS AND MAX WINDS INIT 12/1500Z 30.2N 81.8W 40 KT 45 MPH 12H 13/0000Z 32.0N 79.8W 40 KT 45 MPH 24H 13/1200Z 34.1N 76.0W 40 KT 45 MPH 36H 14/0000Z 37.3N 70.0W 40 KT 45 MPH...POST-TROP/EXTRATROP 48H 14/1200Z 40.5N 62.5W 45 KT 50 MPH...POST-TROP/EXTRATROP 60H 15/0000Z...DISSIPATED $$ Forecaster Brown
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