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Tropical Storm Nana Public Advisory Number 2A

2020-09-01 19:52:13| National Hurricane Center (Atlantic)

Issued at 200 PM EDT Tue Sep 01 2020 000 WTNT31 KNHC 011752 TCPAT1 BULLETIN Tropical Storm Nana Intermediate Advisory Number 2A NWS National Hurricane Center Miami FL AL162020 200 PM EDT Tue Sep 01 2020 ...RECONNAISSANCE AIRCRAFT FINDS TROPICAL STORM NANA GETTING A LITTLE BETTER ORGANIZED SOUTHWEST OF JAMAICA... SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...16.7N 78.4W ABOUT 110 MI...175 KM S OF NEGRIL JAMAICA ABOUT 650 MI...1045 KM E OF BELIZE CITY MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Northern Honduras * Roatan Island and the Bay Islands of Honduras * Belize A Tropical Storm Watch may be required for portions of Guatemala and the southern Yucatan Peninsula, along with a Hurricane Watch for Belize, later today. 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 PM EDT (1800 UTC), the center of Tropical Storm Nana was located near latitude 16.7 North, longitude 78.4 West. Nana is moving toward the west near 18 mph (30 km/h), and this general motion is expected to continue through Thursday. On the forecast track, Nana will be moving near but north of the coast of Honduras on Wednesday and likely be approaching the coast of Belize on Thursday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Additional strengthening is forecast during the next 48 hours, and Nana could become a hurricane just prior to landfall on Thursday. Tropical-storm-force winds extend outward up to 80 miles (130 km) from the center, mainly northeast through northwest of the center. The estimated minimum central pressure based on data from the reconnaissance aircraft is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are possible within the watch areas by late Wednesday. STORM SURGE: A dangerous storm surge will raise water levels by as much as 3 to 5 feet above normal tide levels along the immediate coast near and to the north of where the center makes landfall. Near the coast, the surge will be accompanied by large and destructive waves. RAINFALL: Nana is expected to produce rainfall accumulations of 2 to 4 inches across northern Honduras, Belize, and the southeast portion of the Mexican state of Quintana Roo. SURF: Swells generated by this system are affecting portions of the southern coast of Jamaica, and will continue into Wednesday morning. 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 PM EDT. $$ Forecaster Stewart

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Tropical Storm Nana Forecast Advisory Number 2

2020-09-01 18:47:38| National Hurricane Center (Atlantic)

Issued at 1700 UTC TUE SEP 01 2020 000 WTNT21 KNHC 011647 TCMAT1 TROPICAL STORM NANA SPECIAL FORECAST/ADVISORY NUMBER 2 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162020 1700 UTC TUE SEP 01 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF BELIZE HAS ISSUED A TROPICAL STORM WATCH FOR THE ENTIRE COAST OF BELIZE FROM NORTH OF PUNTA BARRIOS GUATEMALA NORTHWARD TO SOUTH OF CHETUMAL MEXICO. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * NORTHERN HONDURAS * ROATAN ISLAND AND THE BAY ISLANDS OF HONDURAS * BELIZE A TROPICAL STORM WATCH MAY BE REQUIRED FOR PORTIONS OF GUATEMALA AND THE SOUTHERN YUCATAN PENINSULA LATER TODAY. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. TROPICAL STORM CENTER LOCATED NEAR 16.6N 77.9W AT 01/1700Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 14 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT....... 70NE 0SE 0SW 70NW. 12 FT SEAS.. 70NE 0SE 0SW 70NW. 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 16.6N 77.9W AT 01/1700Z AT 01/1200Z CENTER WAS LOCATED NEAR 16.3N 76.8W FORECAST VALID 02/0000Z 16.6N 79.5W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 20NE 0SE 0SW 0NW. 34 KT... 70NE 0SE 0SW 70NW. FORECAST VALID 02/1200Z 16.7N 82.3W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 30NE 20SE 0SW 20NW. 34 KT... 70NE 40SE 0SW 70NW. FORECAST VALID 03/0000Z 16.8N 85.1W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 30NE 20SE 0SW 20NW. 34 KT... 70NE 40SE 0SW 70NW. FORECAST VALID 03/1200Z 16.8N 87.4W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 15NE 0SE 0SW 15NW. 50 KT... 30NE 20SE 0SW 30NW. 34 KT... 70NE 50SE 30SW 70NW. FORECAST VALID 04/0000Z 16.5N 89.6W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 04/1200Z 15.7N 91.7W...POST-TROP/REMNT LOW MAX WIND 15 KT...GUSTS 20 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 05/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.6N 77.9W INTERMEDIATE PUBLIC ADVISORY...WTNT31 KNHC/MIATCPAT1...AT 01/1800Z NEXT ADVISORY AT 01/2100Z $$ FORECASTER STEWART

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Tropical Storm Nana Public Advisory Number 1

2020-09-01 17:00:08| National Hurricane Center (Atlantic)

Issued at 1100 AM EDT Tue Sep 01 2020 000 WTNT31 KNHC 011500 TCPAT1 BULLETIN Potential Tropical Cyclone Sixteen Advisory Number 1 NWS National Hurricane Center Miami FL AL162020 1100 AM EDT Tue Sep 01 2020 ...RECONNAISSANCE AIRCRAFT FINDS VIGOROUS TROPICAL DISTURBANCE SOUTH OF JAMAICA GETTING BETTER ORGANIZED... ...TROPICAL STORM WATCH ISSUED FOR NORTHERN HONDURAS AND THE OFFSHORE ROATAN ISLANDS... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...16.1N 77.5W ABOUT 140 MI...225 KM SSW OF KINGSTON JAMAICA ABOUT 160 MI...260 KM SSE OF NEGRIL JAMAICA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 285 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Tropical Storm Watch has been issued for the northern coast of Honduras from Punta Patuca westward to the Guatemala-Honduras border, including Roatan Island and the Bay Islands of Honduras. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Northern Honduras * Roatan Island and the Bay Islands of Honduras A Tropical Storm Watch may be required for portions of Guatemala, Belize, and the southern Yucatan Peninsula later today. 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 AM EDT (1500 UTC), the disturbance was centered near latitude 16.1 North, longitude 77.5 West. The system is moving toward the west near 18 mph (30 km/h), and this general motion is expected to continue through Thursday. On the forecast track, the system will be moving near but north of the coast of Honduras on Wednesday. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Some strengthening is forecast during the next 48 hours. Additional development is expected today and on Wednesday, and a tropical depression or tropical storm could form at any time. * Formation chance through 48 hours...high...90 percent * Formation chance through 5 days...high...90 percent Tropical-storm-force winds extend outward up to 80 miles (130 km), mainly northeast through northwest of the center. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are possible within the watch area by late Wednesday. RAINFALL: Rainfall amounts of 2 to 3 inches will be possible over the northern portions of Honduras beginning late Wednesday. SURF: Swells generated by this system are affecting portions of the southern coast of Jamaica, and will continue into Wednesday morning. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 200 PM EDT. Next complete advisory at 500 PM EDT. $$ Forecaster Stewart

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Tropical Storm Nana Forecast Advisory Number 1

2020-09-01 16:58:37| National Hurricane Center (Atlantic)

Issued at 1500 UTC TUE SEP 01 2020 673 WTNT21 KNHC 011458 TCMAT1 POTENTIAL TROPICAL CYCLONE SIXTEEN FORECAST/ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162020 1500 UTC TUE SEP 01 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A TROPICAL STORM WATCH HAS BEEN ISSUED FOR THE NORTHERN COAST OF HONDURAS FROM PUNTA PATUCA WESTWARD TO THE GUATEMALA-HONDURAS BORDER...INCLUDING ROATAN ISLAND AND THE BAY ISLANDS OF HONDURAS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * NORTHERN HONDURAS * ROATAN ISLAND AND THE BAY ISLANDS OF HONDURAS A TROPICAL STORM WATCH MAY BE REQUIRED FOR PORTIONS OF GUATEMALA... BELIZE...AND THE SOUTHERN YUCATAN PENINSULA LATER TODAY. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. POTENTIAL TROP CYCLONE CENTER LOCATED NEAR 16.1N 77.5W AT 01/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST OR 285 DEGREES AT 16 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT.......70NE 0SE 0SW 70NW. 12 FT SEAS..70NE 0SE 0SW 70NW. 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 16.1N 77.5W AT 01/1500Z AT 01/1200Z CENTER WAS LOCATED NEAR 16.0N 76.8W FORECAST VALID 02/0000Z 16.4N 79.6W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 70NE 0SE 0SW 70NW. FORECAST VALID 02/1200Z 16.6N 82.3W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 70NE 0SE 0SW 70NW. FORECAST VALID 03/0000Z 16.7N 85.1W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 70NE 30SE 0SW 70NW. FORECAST VALID 03/1200Z 16.8N 87.4W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 0SE 0SW 20NW. 34 KT... 70NE 40SE 0SW 60NW. FORECAST VALID 04/0000Z 16.5N 89.6W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 04/1200Z 15.7N 91.7W...POST-TROP/REMNT LOW MAX WIND 15 KT...GUSTS 20 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 05/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.1N 77.5W INTERMEDIATE PUBLIC ADVISORY...WTNT31 KNHC/MIATCPAT1...AT 01/1800Z NEXT ADVISORY AT 01/2100Z $$ FORECASTER STEWART

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Tropical Depression Fifteen Public Advisory Number 4

2020-09-01 16:40:27| National Hurricane Center (Atlantic)

Issued at 1100 AM EDT Tue Sep 01 2020 000 WTNT35 KNHC 011440 TCPAT5 BULLETIN Tropical Depression Fifteen Advisory Number 4 NWS National Hurricane Center Miami FL AL152020 1100 AM EDT Tue Sep 01 2020 ...TROPICAL DEPRESSION FORECAST TO MOVE FARTHER AWAY FROM LAND... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...34.7N 73.1W ABOUT 140 MI...225 KM ESE OF CAPE HATTERAS NORTH CAROLINA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM EDT (1500 UTC), the center of Tropical Depression Fifteen was located near latitude 34.7 North, longitude 73.1 West. The depression is moving toward the east-northeast near 14 mph (22 km/h) This general motion is forecast today, followed by a turn toward the east by Thursday. On the forecast track, the center of the depression will continue to move away from the North Carolina coast today. Maximum sustained winds remain near 35 mph (55 km/h) with higher gusts. The depression could become a tropical storm later today or tonight. Gradual weakening is anticipated by late Wednesday. The system is forecast to become a remnant low on Thursday. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by the depression will continue to affect portions of the Outer Banks of North Carolina through this evening, causing life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 PM EDT. $$ Forecaster Blake

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