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Tropical Storm Marie Wind Speed Probabilities Number 29
2020-10-06 10:51:16| National Hurricane Center (East Pacific)
Issued at 0900 UTC TUE OCT 06 2020 000 FOPZ13 KNHC 060851 PWSEP3 TROPICAL STORM MARIE WIND SPEED PROBABILITIES NUMBER 29 NWS NATIONAL HURRICANE CENTER MIAMI FL EP182020 0900 UTC TUE OCT 06 2020 AT 0900Z THE CENTER OF TROPICAL STORM MARIE WAS LOCATED NEAR LATITUDE 21.7 NORTH...LONGITUDE 134.3 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 06Z TUE 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 06Z TUE 18Z TUE 06Z WED 18Z WED 06Z THU 06Z FRI 06Z SAT PERIODS TO TO TO TO TO TO TO 18Z TUE 06Z WED 18Z WED 06Z THU 06Z FRI 06Z SAT 06Z SUN FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT 25N 135W 34 1 1( 2) 1( 3) X( 3) X( 3) X( 3) X( 3) 25N 140W 34 X 1( 1) 1( 2) 2( 4) 1( 5) X( 5) X( 5) $$ FORECASTER STEWART
Tropical Storm Norbert Forecast Advisory Number 3
2020-10-06 10:50:15| National Hurricane Center (East Pacific)
Issued at 0900 UTC TUE OCT 06 2020 000 WTPZ24 KNHC 060850 TCMEP4 TROPICAL STORM NORBERT FORECAST/ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL EP192020 0900 UTC TUE OCT 06 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 13.7N 106.2W AT 06/0900Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT 6 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 20NE 20SE 20SW 20NW. 12 FT SEAS.. 30NE 0SE 0SW 0NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 13.7N 106.2W AT 06/0900Z AT 06/0600Z CENTER WAS LOCATED NEAR 13.6N 106.1W FORECAST VALID 06/1800Z 14.0N 106.5W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 30NE 30SE 30SW 30NW. FORECAST VALID 07/0600Z 14.1N 106.7W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 10NE 0SE 0SW 10NW. 34 KT... 40NE 40SE 30SW 40NW. FORECAST VALID 07/1800Z 14.3N 106.7W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 10NE 10SE 10SW 10NW. 34 KT... 40NE 40SE 30SW 40NW. FORECAST VALID 08/0600Z 14.5N 106.7W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 20SE 10SW 10NW. 34 KT... 40NE 40SE 30SW 30NW. FORECAST VALID 08/1800Z 14.7N 106.8W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 20SE 10SW 10NW. 34 KT... 40NE 40SE 30SW 40NW. FORECAST VALID 09/0600Z 14.9N 107.3W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 10NE 20SE 10SW 10NW. 34 KT... 40NE 40SE 30SW 40NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM ON DAY 4 AND 150 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 10/0600Z 15.0N 108.0W MAX WIND 55 KT...GUSTS 65 KT. OUTLOOK VALID 11/0600Z 15.5N 109.0W MAX WIND 55 KT...GUSTS 65 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.7N 106.2W NEXT ADVISORY AT 06/1500Z $$ FORECASTER REINHART/STEWART
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Hurricane Delta Public Advisory Number 6A
2020-10-06 07:56:14| National Hurricane Center (Atlantic)
Issued at 200 AM EDT Tue Oct 06 2020 000 WTNT31 KNHC 060556 TCPAT1 BULLETIN Hurricane Delta Intermediate Advisory Number 6A NWS National Hurricane Center Miami FL AL262020 200 AM EDT Tue Oct 06 2020 ...AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT FINDS THAT DELTA IS STILL INTENSIFYING OVER THE NORTHWESTERN CARIBBEAN SEA... SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...17.1N 80.6W ABOUT 165 MI...265 KM SSE OF GRAND CAYMAN MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...974 MB...28.76 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Tulum to Rio Lagartos Mexico * Cozumel A Tropical Storm Warning is in effect for... * Cayman Islands including Little Cayman and Cayman Brac * Cuba province of Pinar del Rio * Isle of Youth * Punta Herrero to Tulum * Rio Lagartos to Progresso A Tropical Storm Watch is in effect for... * Cuba province of La Habana 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. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 200 AM EDT (0600 UTC), the center of Hurricane Delta was located near latitude 17.1 North, longitude 80.6 West. Delta is moving toward the west-northwest near 7 mph (11 km/h). A faster northwestward motion is expected to start later today through Wednesday night. On the forecast track, the center of Delta is expected to pass southwest of the Cayman Islands this morning, and approach the northeastern portion of the Yucatan peninsula and the Yucatan Channel tonight. Delta is forecast to move over the southern Gulf of Mexico early Wednesday, and be over the south-central Gulf of Mexico late Wednesday and Thursday. Data from an Air Force Reserve Hurricane Hunter aircraft indicate that the maximum sustained winds have increased to near 85 mph (140 km/h) with higher gusts. Additional rapid strengthening is forecast during the next day or so, and Delta is expected to be a major hurricane when it nears the Yucatan Peninsula. Hurricane-force winds extend outward up to 10 miles (20 km) from the center and tropical-storm-force winds extend outward up to 70 miles (110 km). The latest minimum central pressure reported by an Air Force Reserve Hurricane Hunter aircraft is 974 mb (28.76 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Delta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. STORM SURGE: A dangerous storm surge will raise water levels by as much as 4 to 7 feet above normal tide levels along coast of the Yucatan peninsula within the hurricane warning area, near and to right of where the center makes landfall. Near the coast, the surge will be accompanied by large and dangerous waves. WIND: Tropical storm conditions are expected in the Cayman Islands later this morning. In the Yucatan Peninsula, hurricane conditions are expected in the warning area tonight, with tropical storm conditions expected later today. Tropical storm conditions are expected in the tropical storm warning area tonight and Wednesday. In Cuba, tropical storm conditions are expected tonight in the warning area and possible in the watch area near the same time. RAINFALL: Delta is expected to produce 4 to 6 inches of rain, with maximum rainfall as high as 10 inches possible, across portions of the northern Yucatan Peninsula through mid week. This rainfall may result in areas of significant flash flooding. Delta is expected to produce 2 to 4 inches of rain, with isolated higher amounts, across portions of Jamaica, the Cayman Islands and western Cuba through midweek. This rainfall may result in areas of flash flooding and mudslides. Later this week and into the weekend, Delta is expected to bring heavy rainfall across portions of the central Gulf Coast into the southeastern United States. NEXT ADVISORY ------------- Next complete advisory at 500 AM EDT. $$ Forecaster Blake
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Hurricane Delta Public Advisory Number 6
2020-10-06 04:55:41| National Hurricane Center (Atlantic)
Issued at 1100 PM EDT Mon Oct 05 2020 000 WTNT31 KNHC 060255 TCPAT1 BULLETIN Hurricane Delta Advisory Number 6 NWS National Hurricane Center Miami FL AL262020 1100 PM EDT Mon Oct 05 2020 ...DELTA CONTINUES TO STRENGTHEN... ...HURRICANE CONDITIONS EXPECTED TUESDAY NIGHT IN THE NORTHEAST YUCATAN PENINSULA... SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...16.8N 80.3W ABOUT 170 MI...270 KM SW OF NEGRIL JAMAICA ABOUT 180 MI...295 KM SSE OF GRAND CAYMAN MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Cuba has replaced the Hurricane Warning with a Tropical Storm Warning for the province of Pinar Del Rio and discontinued the Hurricane Watch for the province of Artemisa and the Isle of Youth. The government of Mexico has issued a Tropical Storm Warning from Punta Herrero northward to Tulum and from Rio Lagartos westward to Progresso. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Tulum to Rio Lagartos Mexico * Cozumel A Tropical Storm Warning is in effect for... * Cayman Islands including Little Cayman and Cayman Brac * Cuba province of Pinar del Rio * Isle of Youth * Punta Herrero to Tulum * Rio Lagartos to Progresso A Tropical Storm Watch is in effect for... * Cuba province of La Habana A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. 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. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM EDT (0300 UTC), the center of Hurricane Delta was located near latitude 16.8 North, longitude 80.3 West. Delta is moving toward the west-northwest near 7 mph (11 km/h). A faster northwestward motion is expected Tuesday through Wednesday night. On the forecast track, the center of Delta is expected to pass southwest of the Cayman Islands early Tuesday, and approach the northeastern portion of the Yucatan peninsula and the Yucatan Channel Tuesday night. Delta is forecast to move over the southern Gulf of Mexico early Wednesday, and be over the south-central Gulf of Mexico late Wednesday and Thursday. Data from an Air Force Reserve Hurricane Hunter aircraft indicate that the maximum sustained winds have increased to near 80 mph (130 km/h) with higher gusts. Additional rapid strengthening is expected during the next day or so, and Delta is expected to be a major hurricane when it nears the Yucatan Peninsula. Hurricane-force winds extend outward up to 10 miles (20 km) from the center and tropical-storm-force winds extend outward up to 70 miles (110 km). The estimated minimum central pressure is 977 mb (28.85 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Delta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. STORM SURGE: A dangerous storm surge will raise water levels by as much as 4 to 7 feet above normal tide levels along coast of the Yucatan peninsula within the hurricane warning area, near and to right of where the center makes landfall. Near the coast, the surge will be accompanied by large and dangerous waves. WIND: Tropical storm conditions are expected in the Cayman Islands by early Tuesday. In the Yucatan Peninsula, hurricane conditions are expected in the warning area Tuesday night, with tropical storm conditions expected on Tuesday. Tropical storm conditions are expected in the Tropical Storm Warning area Tuesday night and Wednesday. In Cuba, tropical storm conditions are expected in the warning area Tuesday night and tropical storm conditions are possible in the watch area Tuesday night. RAINFALL: Delta is expected to produce 4 to 6 inches of rain, with maximum rainfall as high as 10 inches possible, across portions of the northern Yucatan Peninsula through mid week. This rainfall may result in areas of significant flash flooding. Delta is expected to produce 2 to 4 inches of rain, with isolated higher amounts, across portions of Jamaica, the Cayman Islands and western Cuba through midweek. This rainfall may result in areas of flash flooding and mudslides. Later this week into the weekend, Delta is expected to bring heavy rainfall across portions of the central Gulf Coast into the southeastern United States. NEXT ADVISORY ------------- Next intermediate advisory at 200 AM EDT. Next complete advisory at 500 AM EDT. $$ Forecaster Cangialosi
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Hurricane Delta Forecast Discussion Number 6
2020-10-06 04:55:10| National Hurricane Center (Atlantic)
Issued at 1100 PM EDT Mon Oct 05 2020 000 WTNT41 KNHC 060255 TCDAT1 Hurricane Delta Discussion Number 6 NWS National Hurricane Center Miami FL AL262020 1100 PM EDT Mon Oct 05 2020 A few hours ago, data from the NOAA Hurricane Hunters supported upgrading Delta to a hurricane. Very recent reports from the Air Force Hurricane Hunters, who are currently in Delta, support increasing the intensity a little more to 70 kt. The minimum pressure has also decreased a few mb from the NOAA mission, and is now estimated to be 977 mb. Delta has strengthened at a rapid rate of 40 kt since genesis occurred just 24 hours ago. The hurricane is quite compact with a developing tight inner core, and even the tropical-storm-force winds extend only up to 60 n mi or so from the center. After moving westward for much of the day, aircraft fixes from NOAA and the Air Force indicate that the hurricane has resumed a west-northwest motion, with the latest initial motion estimated to be 295/6 kt. Delta is expected to move to the northwest at a fairly quick pace on Tuesday and Wednesday as it moves in the flow between a subtropical high over the western Atlantic and Post-Tropical Cyclone Gamma over or near the Yucatan Peninsula. This motion should take Delta over or very near the northeastern portion of the Yucatan Peninsula by Tuesday night and over the southern Gulf of Mexico on Wednesday. After that time, the western part of the ridge is expected to slowly erode as a trough moves eastward across the south-central U.S. This change in the steering pattern should cause Delta to slow down and then turn northward toward the northern Gulf coast, and it will likely make landfall there in a little more than 4 days. The models are in fair agreement, and the NHC track forecast is only a touch to the west of the previous one. The hurricane has taken advantage of the near ideal conditions of low vertical wind shear, high amounts of moisture, and very warm 29-30 C SSTs. These favorable environmental conditions for the hurricane will persist for the next 2 or 3 days or so, and therefore, it seems reasonable to believe that rapid intensification will continue in the short term. Delta is expected to become a major hurricane in about 24 hours when it is near the Yuctan Peninsula. If Delta makes landfall on that landmass, it would likely temper the cyclone's strength for a period of time. Beyond a few days, when Delta is forecast to approach the northern Gulf coast, there will likely be an increase in southwesterly wind shear. These less conducive upper-level winds and cooler shelf waters should end the strengthening trend prior to the U.S. landfall. The NHC intensity forecast is largely an update of the previous one and lies close to the HCCA and IVCN consensus models. Users are reminded to not focus on the details of the track or intensity forecasts, as the average 4-day track error is around 150 miles and the average 4-day intensity error is close to 15 mph. Key Messages: 1. Dangerous storm surge and hurricane conditions are expected within portions of the northern Yucatan Peninsula of Mexico beginning Tuesday night, and a Hurricane Warning is in effect. 2. Heavy rainfall will affect portions of Jamaica, the Cayman Islands, western Cuba and the northern Yucatan Peninsula during the next few days. This rainfall could lead to significant flash flooding and mudslides. 3. Tropical storm conditions are expected in portions of the Cayman Islands beginning early Tuesday, and a Tropical Storm Warning is in effect. 4. Delta is forecast to approach the northern Gulf Coast late this week as a hurricane. While there is large uncertainty in the track and intensity forecasts, there is an increasing risk of dangerous storm surge, wind, and rainfall hazards along the coast from Louisiana to the western Florida Panhandle beginning Thursday night or Friday. Residents in these areas should ensure they have their hurricane plan in place and monitor updates to the forecast of Delta. FORECAST POSITIONS AND MAX WINDS INIT 06/0300Z 16.8N 80.3W 70 KT 80 MPH 12H 06/1200Z 18.1N 82.0W 85 KT 100 MPH 24H 07/0000Z 19.8N 84.6W 100 KT 115 MPH 36H 07/1200Z 21.5N 87.1W 105 KT 120 MPH...INLAND 48H 08/0000Z 23.0N 89.5W 105 KT 120 MPH 60H 08/1200Z 24.0N 90.8W 105 KT 120 MPH 72H 09/0000Z 25.2N 91.7W 100 KT 115 MPH 96H 10/0000Z 28.6N 91.2W 85 KT 100 MPH 120H 11/0000Z 33.6N 88.4W 35 KT 40 MPH...INLAND $$ Forecaster Cangialosi
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