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Tropical Depression Twenty-Six Graphics
2020-10-05 07:51:57| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Mon, 05 Oct 2020 05:51:57 GMT Wind Speed Probabilities last updated Mon, 05 Oct 2020 03:33:15 GMT
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Summary for Tropical Depression Twenty-Six (AT1/AL262020)
2020-10-05 07:50:54| National Hurricane Center (Atlantic)
...TROPICAL DEPRESSION EXPECTED TO STRENGTHEN OVER THE NORTHWESTERN CARIBBEAN SEA THROUGH TUESDAY... As of 2:00 AM EDT Mon Oct 5 the center of Twenty-Six was located near 16.9, -77.8 with movement WNW at 9 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.
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Tropical Depression Twenty-Six Public Advisory Number 2A
2020-10-05 07:50:54| National Hurricane Center (Atlantic)
Issued at 200 AM EDT Mon Oct 05 2020 000 WTNT31 KNHC 050550 TCPAT1 BULLETIN Tropical Depression Twenty-Six Intermediate Advisory Number 2A NWS National Hurricane Center Miami FL AL262020 200 AM EDT Mon Oct 05 2020 ...TROPICAL DEPRESSION EXPECTED TO STRENGTHEN OVER THE NORTHWESTERN CARIBBEAN SEA THROUGH TUESDAY... SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...16.9N 77.8W ABOUT 95 MI...155 KM SW OF KINGSTON JAMAICA ABOUT 280 MI...450 KM SE OF GRAND CAYMAN MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * Cuban provinces of Pinar del Rio and Artemisa * Isle of Youth A Tropical Storm Warning is in effect for... * Cayman Islands including Little Cayman and Cayman Brac A Tropical Storm Watch is in effect for... * Cuba province of La Habana A Hurricane Watch means that hurricane conditions are possible within the watch area, generally within 48 hours. 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 Tropical Depression Twenty-Six was located near latitude 16.9 North, longitude 77.8 West. The depression is moving toward the west-northwest near 9 mph (15 km/h), and this general motion should continue for the next day or so. A faster northwestward motion is expected on Tuesday and Wednesday. On the forecast track, the center of the depression is expected to pass just south of Jamaica through this morning, move near or over the Cayman Islands later tonight, and approach the Isle of Youth and western Cuba Tuesday afternoon or evening. The tropical cyclone is forecast to move into the southeastern Gulf of Mexico Tuesday night or early Wednesday. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Strengthening is expected during the next few days, and the depression is forecast to become a tropical storm when it nears the Cayman Islands later today, and be a hurricane when it moves near or over western Cuba on Tuesday. The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Depression Twenty-Six 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 3 to 5 feet above normal tide levels along the immediate coast of the Isle of Youth and along the south coast of western Cuba near and to right of where the center makes landfall. Near the coast, the surge will be accompanied by large and dangerous waves. RAINFALL: Through midweek, this system is expected to produce 3 to 5 inches of rain with isolated maximum totals of 8 inches across Jamaica and western Cuba. This rainfall could lead to life-threatening flash floods and mudslides. Over the Cayman Islands, 2 to 4 inches of rainfall will be possible with this system. WIND: Tropical storm conditions are expected in the Cayman Islands beginning late today. Hurricane conditions are possible within the Hurricane Watch area by Tuesday afternoon, with tropical storm conditions possible by early Tuesday. Tropical Storm conditions are possible in the Tropical Storm Watch area in Cuba by early Tuesday. NEXT ADVISORY ------------- Next complete advisory at 500 AM EDT. $$ Forecaster Stewart
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Tropical Depression Twenty-Six Graphics
2020-10-05 04:36:00| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Mon, 05 Oct 2020 02:36:00 GMT Wind Speed Probabilities last updated Mon, 05 Oct 2020 03:33:15 GMT
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Tropical Depression Twenty-Six Forecast Discussion Number 2
2020-10-05 04:34:49| National Hurricane Center (Atlantic)
Issued at 1100 PM EDT Sun Oct 04 2020 000 WTNT41 KNHC 050234 TCDAT1 Tropical Depression Twenty-Six Discussion Number 2 NWS National Hurricane Center Miami FL AL262020 1100 PM EDT Sun Oct 04 2020 Satellite data indicate that the disturbance just south of Jamaica has become better organized this evening. Microwave and shortwave infrared images indicate that the center is now well defined, and deep convection has been persisting near and to the south of the center. Based on this data, the system now meets the criteria to be considered a tropical depression. The initial intensity remains 30 kt for this advisory. The depression is currently moving west-northwestward at 8 kt on the southern side of an Atlantic subtropical ridge. A continued west-northwest to northwest motion at about the same forward speed is expected during the next 24 to 36 hours, taking the system across the Cayman Islands and toward western Cuba. Around the time the depression is expected to be near western Cuba, the models show it accelerating northwestward as it moves in the faster flow between the ridge and Tropical Storm Gamma. This motion should bring the tropical cyclone into the southern Gulf of Mexico Tuesday night or early Wednesday. Later on, a notable slow down and a turn to the north is forecast to occur late in the week when the depression will likely be approaching the northern Gulf coast. This change in the forecast motion is a result of the ridge weakening and a trough approaching the cyclone from the west. The models are in relatively good agreement, which is surprising since they often diverge for weak systems, and the NHC track forecast lies near the middle of the guidance envelope. There is currently some northeasterly shear affecting the depression, but the models all show the shear lessening by tomorrow and remaining fairly light for the next few days. These improving upper-level wind conditions combined with a moist air mass and warm waters should allow for at least steady strengthening during the next few days. By late in the week, when the storm is forecast to approach the U.S. Gulf coast, there could be an increase in southerly or southwesterly shear, which could limit additional strengthening by that time. The NHC intensity forecast lies fairly close to the IVCN and HCCA consensus aids, and shows the depression becoming a hurricane near western Cuba with additional strengthening over the Gulf of Mexico. Users are reminded that the average 4- and 5-day NHC track forecast errors are about 160 to 200 miles at those time periods, respectively. Key Messages: 1. Tropical storm conditions are expected in the Cayman Islands beginning late Monday, and a Tropical Storm Warning is in effect. 2. Dangerous storm surge and hurricane conditions are possible in portions of western Cuba and the Isle of Youth by Tuesday afternoon, and a Hurricane Watch is in effect. 3. Heavy rainfall will affect portions of Hispaniola, Jamaica, the Cayman Islands, and western Cuba during the next few days and could lead to life-threatening flash floods and mudslides. 4. The system 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 at these time ranges, there is a risk of dangerous storm surge, wind, and rainfall hazards along the coast from Louisiana to the western Florida Panhandle. Residents in these areas should monitor the progress of the system and check for updates to the forecast during the week. FORECAST POSITIONS AND MAX WINDS INIT 05/0300Z 17.0N 77.3W 30 KT 35 MPH 12H 05/1200Z 17.4N 78.3W 35 KT 40 MPH 24H 06/0000Z 18.3N 79.8W 40 KT 45 MPH 36H 06/1200Z 20.0N 81.9W 50 KT 60 MPH 48H 07/0000Z 22.2N 84.4W 65 KT 75 MPH 60H 07/1200Z 24.1N 87.0W 80 KT 90 MPH 72H 08/0000Z 25.4N 88.8W 85 KT 100 MPH 96H 09/0000Z 27.2N 90.4W 90 KT 105 MPH 120H 10/0000Z 30.0N 89.9W 75 KT 85 MPH...INLAND $$ Forecaster Cangialosi
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