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Tropical Storm Teddy Public Advisory Number 10
2020-09-15 04:32:18| National Hurricane Center (Atlantic)
Issued at 1100 PM AST Mon Sep 14 2020 000 WTNT35 KNHC 150232 TCPAT5 BULLETIN Tropical Storm Teddy Advisory Number 10 NWS National Hurricane Center Miami FL AL202020 1100 PM AST Mon Sep 14 2020 ...TEDDY FORECAST TO BECOME A HURRICANE ON TUESDAY... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...13.2N 45.0W ABOUT 1100 MI...1770 KM E OF THE LESSER ANTILLES MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Storm Teddy was located near latitude 13.2 North, longitude 45.0 West. Teddy is moving toward the west near 13 mph (20 km/h). A west-northwestward motion at a slower forward speed is expected overnight through Tuesday night, followed by a northwestward motion Wednesday and Thursday. Maximum sustained winds remain near 50 mph (85 km/h) with higher gusts. Strengthening is forecast for the next several days. Teddy is expected to become a hurricane Tuesday and could reach major hurricane strength on Thursday. Tropical-storm-force winds extend outward up to 115 miles (185 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Large swells generated by Tropical Storm Teddy are expected to reach the Lesser Antilles and the northeastern coast of South America on Wednesday. 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 500 AM AST. $$ Forecaster Blake
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Hurricane Sally Public Advisory Number 14A
2020-09-15 01:50:14| National Hurricane Center (Atlantic)
Issued at 700 PM CDT Mon Sep 14 2020 000 WTNT34 KNHC 142350 TCPAT4 BULLETIN Hurricane Sally Intermediate Advisory Number 14A NWS National Hurricane Center Miami FL AL192020 700 PM CDT Mon Sep 14 2020 ...OUTER RAIN BANDS OF SALLY MOVING ONSHORE IN THE FLORIDA PANHANDLE... ...LIFE-THREATENING STORM SURGE, HURRICANE-FORCE WINDS, AND FLASH FLOODING LIKELY ALONG PORTIONS OF THE NORTHERN GULF COAST STARTING LATER TONIGHT AND TUESDAY... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...28.8N 87.5W ABOUT 100 MI...155 KM E OF THE MOUTH OF THE MISSISSIPPI RIVER ABOUT 135 MI...215 KM SE OF BILOXI MISSISSIPPI MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 5 MPH...8 KM/H MINIMUM CENTRAL PRESSURE...988 MB...29.18 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 Fourchon Louisiana to the Okaloosa/Walton County Line Florida * Lake Pontchartrain, Lake Maurepas, and Lake Borgne * Mobile Bay A Hurricane Warning is in effect for... * Morgan City Louisiana to the Navarre Florida * Lake Pontchartrain and Lake Maurepas including metropolitan New Orleans A Tropical Storm Warning is in effect for... * East of of Navarre Florida to Indian Pass Florida 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 Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 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 700 PM CDT (0000 UTC), the center of Hurricane Sally was located near latitude 28.8 North, longitude 87.5 West. Sally is moving toward the west-northwest near 5 mph (8 km/h), and this motion is expected to continue through Tuesday morning. A northward turn is likely by Tuesday afternoon, and a slow north-northeastward to northeastward motion is expected Tuesday night through Wednesday night. On the forecast track, the center of Sally will move near the coast of southeastern Louisiana tonight and Tuesday, and make landfall in the hurricane warning area Tuesday night or Wednesday. Data from reconnaissance aircraft indicate that the maximum sustained winds are near 100 mph (155 km/h) with higher gusts. Strengthening is forecast tonight and early Tuesday and Sally is expected to be a dangerous hurricane when it moves onshore along the north-central Gulf coast. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 125 miles (205 km). A buoy offshore of Orange Beach, Alabama, recently reported sustained winds of 49 mph (79 km/h) and a wind gust of 60 mph (97 km/h). The minimum central pressure based on data from the Air Force Reserve and NOAA reconnaissance aircraft is 988 mb (29.18 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sally can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml 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... Mouth of the Mississippi River to Ocean Springs, MS including Lake Borgne...7-11 ft Ocean Springs, MS to Dauphin Island, AL including Mobile Bay...6-9 ft Dauphin Island, AL to AL/FL Border...4-7 ft Lake Pontchartrain and Lake Maurepas...3-5 ft Port Fourchon, LA to Mouth of the Mississippi River...2-4 ft AL/FL Border to Okaloosa/Walton County Line, FL including Pensacola Bay and Choctawhatchee Bay...2-4 ft Okaloosa/Walton County Line, FL to Chassahowitzka, FL including Saint Andrew Bay...1-3 ft Burns Point, LA to Port Fourchon, LA...1-2 ft Overtopping of local levees outside of the Hurricane and Storm Damage Risk Reduction System is possible where local inundation values may be higher than those shown above. The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and damaging 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 expected to begin within the hurricane warning area later tonight and Tuesday. Tropical storm conditions expected to begin within the warning area during the next few hours. RAINFALL: Sally is expected to be a slow moving system as it approaches land, producing 8 to 16 inches of rainfall with isolated amounts of 24 inches over portions of the central Gulf Coast from the western Florida Panhandle to far southeast Louisiana through the middle of the week. Life-threatening flash flooding is likely. In addition, this rainfall will likely lead to widespread minor to isolated major flooding on area rivers. Sally is forecast to move farther inland early Wednesday and track across the Southeast producing rainfall of 4 to 8 inches, with isolated maximum amounts of 12 inches, across portions of eastern Mississippi, central Alabama, northern Georgia and the western Carolinas. Significant flash and urban flooding is likely, as well as widespread minor to moderate flooding on some rivers. Outer bands of Sally are expected to produce additional rainfall of 1 to 3 inches across the Florida peninsula today. This rainfall may produce flash and urban flooding and prolong high flows and ongoing minor flooding on rivers across central Florida. TORNADOES: A tornado or two are possible through tonight over coastal areas of the Florida Panhandle and southern Alabama. The threat of tornadoes is expected to increase on Tuesday in these areas, as well as over parts of southern Mississippi and extreme southeast Louisiana. SURF: Swells from Sally will continue to affect the coast from the Florida Big Bend westward to southeastern Louisiana 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 complete advisory at 1000 PM CDT. $$ Forecaster Cangialosi
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Tropical Storm Karina Forecast Discussion Number 8
2020-09-14 22:55:14| National Hurricane Center (East Pacific)
Issued at 200 PM PDT Mon Sep 14 2020 000 WTPZ41 KNHC 142055 TCDEP1 Tropical Storm Karina Discussion Number 8 NWS National Hurricane Center Miami FL EP162020 Issued by NWS Central Pacific Hurricane Center Honolulu HI 200 PM PDT Mon Sep 14 2020 The morning visible images showed Karina's partially obscured low level center under the northeast edge of the cyclone's deep convection. The displacement of the center is due to the ongoing presence of moderate vertical wind shear from the northeast. Cloud top temperatures have generally warmed through most of the morning, though the latest images showed a small burst of deep convection south of the center. An ASCAT pass this morning showed a large swath of 35 kt winds in the southeastern semicircle of Karina's circulation. The initial wind radii have been increased to account for the updated data. Dvorak fixes came in at 35 kt from SAB, and 45 kt from TAFB and PHFO. ASCAT peak winds were 37 kt. Based on a blend of these data, and little change in Karina's appearance in satellite imagery, the initial intensity will be held at 40 kt for this advisory. Moderate shear is expected to continue to affect Karina for another 24 hours. The shear will become weak from 36 to 72 hours, but by then the cyclone is expected to be over sub-26 degree C sea surface temperatures. Most of the objective aids indicate that peak intensity has been reached, and gradual weakening will occur after 24 hours. The intensity forecast closely follows HCCA, and has Karina becoming a post-tropical remnant low by 96 hours, if not sooner. This forecast trend keeps the intensity higher than the statistical guidance. The initial motion for this package is 305/9 kt. Karina is expected to continue moving northwestward to the southwest of a mid-level anticyclone. This motion is expected to continue through 60 to 72 hours. Karina should turn toward the southwest as deep convection ceases and the cyclone becomes steered by the low level flow. The forecast track has been adjusted a bit northward from the previous forecast, in part due to an adjustment in the initial position, and closely follows the HCCA guidance. FORECAST POSITIONS AND MAX WINDS INIT 14/2100Z 18.5N 118.8W 40 KT 45 MPH 12H 15/0600Z 19.4N 119.7W 40 KT 45 MPH 24H 15/1800Z 20.8N 121.2W 40 KT 45 MPH 36H 16/0600Z 21.9N 122.7W 35 KT 40 MPH 48H 16/1800Z 23.0N 124.2W 30 KT 35 MPH 60H 17/0600Z 23.7N 125.2W 25 KT 30 MPH 72H 17/1800Z 24.0N 125.9W 25 KT 30 MPH 96H 18/1800Z 23.5N 127.5W 25 KT 30 MPH...POST-TROP/REMNT LOW 120H 19/1800Z...DISSIPATED $$ Forecaster Kodama
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Tropical Storm Karina Wind Speed Probabilities Number 8
2020-09-14 22:49:34| National Hurricane Center (East Pacific)
Issued at 2100 UTC MON SEP 14 2020 000 FOPZ11 KNHC 142049 PWSEP1 TROPICAL STORM KARINA WIND SPEED PROBABILITIES NUMBER 8 NWS NATIONAL HURRICANE CENTER MIAMI FL EP162020 ISSUED BY NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 2100 UTC MON SEP 14 2020 AT 2100Z THE CENTER OF TROPICAL STORM KARINA WAS LOCATED NEAR LATITUDE 18.5 NORTH...LONGITUDE 118.8 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 40 KTS...45 MPH...75 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) PACIFIC DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 18Z MON AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 18Z MON 06Z TUE 18Z TUE 06Z WED 18Z WED 18Z THU 18Z FRI PERIODS TO TO TO TO TO TO TO 06Z TUE 18Z TUE 06Z WED 18Z WED 18Z THU 18Z FRI 18Z SAT FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT 20N 120W 34 26 49(75) X(75) X(75) X(75) X(75) X(75) 20N 120W 50 2 11(13) 1(14) X(14) X(14) X(14) X(14) 20N 120W 64 X 2( 2) X( 2) X( 2) X( 2) X( 2) X( 2) 20N 125W 34 X 2( 2) 2( 4) 1( 5) X( 5) X( 5) X( 5) 25N 125W 34 X X( X) 1( 1) 2( 3) 5( 8) 2(10) X(10) $$ FORECASTER KODAMA
Tropical Storm Karina Public Advisory Number 8
2020-09-14 22:48:12| National Hurricane Center (East Pacific)
Issued at 200 PM PDT Mon Sep 14 2020 000 WTPZ31 KNHC 142048 TCPEP1 BULLETIN Tropical Storm Karina Advisory Number 8 NWS National Hurricane Center Miami FL EP162020 Issued by NWS Central Pacific Hurricane Center Honolulu HI 200 PM PDT Mon Sep 14 2020 ...KARINA AT PEAK INTENSITY OVER THE OPEN EAST PACIFIC WATERS... SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...18.5N 118.8W ABOUT 650 MI...1045 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 200 PM PDT (2100 UTC), the center of Tropical Storm Karina was located near latitude 18.5 North, longitude 118.8 West. Karina is moving toward the northwest near 10 mph (17 km/h) and this motion is expected to continue over the next couple of days. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Little change in strength is expected over the next 24 hours, with gradual weakening expected thereafter. Tropical-storm-force winds extend outward up to 205 miles (335 km) from the center. The estimated minimum central pressure is 1001 mb (29.56 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 800 PM PDT. $$ Forecaster Kodama
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