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Tropical Storm Don Graphics
2017-07-18 01:40:10| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Mon, 17 Jul 2017 23:40:10 GMT Wind Speed Probabilities last updated Mon, 17 Jul 2017 21:21:42 GMT
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Summary for Tropical Storm Don (AT5/AL052017)
2017-07-18 01:39:08| National Hurricane Center (Atlantic)
...AIR FORCE RECONNAISSANCE PLANE FINDS DON A LITTLE STRONGER... As of 8:00 PM AST Mon Jul 17 the center of Don was located near 11.2, -53.8 with movement W at 17 mph. The minimum central pressure was 1009 mb with maximum sustained winds of about 45 mph.
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Tropical Storm Don Public Advisory Number 1A
2017-07-18 01:39:08| National Hurricane Center (Atlantic)
Issued at 800 PM AST Mon Jul 17 2017 000 WTNT35 KNHC 172338 TCPAT5 BULLETIN Tropical Storm Don Intermediate Advisory Number 1A NWS National Hurricane Center Miami FL AL052017 800 PM AST Mon Jul 17 2017 ...AIR FORCE RECONNAISSANCE PLANE FINDS DON A LITTLE STRONGER... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...11.2N 53.8W ABOUT 405 MI...650 KM ESE OF BARBADOS ABOUT 515 MI...830 KM E OF TRINIDAD MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Grenada A Tropical Storm Watch is in effect for... * Barbados * St. Vincent and the Grenadines * St. Lucia A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case in the next 24 to 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case in the next 24 to 36 hours. Interests in Trinidad and Tobago, Aruba, Bonaire, and Curacao should monitor the progress of Don. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 800 PM AST (0000 UTC), the center of Tropical Storm Don was located near latitude 11.2 North, longitude 53.8 West. Don is moving toward the west near 17 mph (28 km/h), and this motion is expected to continue through Wednesday, with a gradual increase in forward speed. On the forecast track the center of Don will move through the Windward Islands late Tuesday and Tuesday night. Data from an Air Force Reserve reconnaissance aircraft indicate that maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Little change in strength is forecast during the next 48 hours. Tropical-storm-force winds extend outward up to 25 miles (35 km) from the center. The estimated minimum central pressure is 1009 mb (29.80 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected in the warning area by late Tuesday and Tuesday night. Tropical Storm conditions are possible in the watch area Tuesday and Tuesday night. RAINFALL: Don is expected to produce total rain accumulations of 2 to 4 inches across the Windward Islands through Wednesday morning. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Berg
Tropical Storm Don Graphics
2017-07-17 23:05:21| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Mon, 17 Jul 2017 21:05:21 GMT Wind Speed Probabilities last updated Mon, 17 Jul 2017 21:05:21 GMT
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Tropical Storm Don Forecast Discussion Number 1
2017-07-17 23:02:07| National Hurricane Center (Atlantic)
Issued at 500 PM AST Mon Jul 17 2017 000 WTNT45 KNHC 172101 TCDAT5 Tropical Storm Don Discussion Number 1 NWS National Hurricane Center Miami FL AL052017 500 PM AST Mon Jul 17 2017 An Air Force Reserve reconnaissance aircraft investigating the area of low pressure located east-southeast of the Windward Islands has found a small, but well-defined surface circulation and a small area of tropical-storm-force winds over the eastern semicircle of the circulation. The associated convection is not particularly well organized, but there is a curved band located to the north of the center and a couple of bursts have formed closer to the small circulation center this afternoon. Based on these data, advisories are being initiated on a tropical storm, the fourth of the 2017 Atlantic hurricane season. Don is currently within a low shear environment and over warm water, so some strengthening is possible tonight and Tuesday. Once the system enters the eastern Caribbean Sea, strong upper-level westerly winds and strong low-level easterly flow are likely to cause the small circulation to open up into a trough. As a result, dissipation is forecast within 72 hours. Don is moving westward or 275/15 kt. The tropical storm is forecast to move quickly westward within the strong trade-wide flow for the next few days. The NHC track is along the southern edge of the guidance envelope, closest to the HFIP corrected consensus prediction. FORECAST POSITIONS AND MAX WINDS INIT 17/2100Z 11.2N 52.6W 35 KT 40 MPH 12H 18/0600Z 11.5N 55.5W 40 KT 45 MPH 24H 18/1800Z 11.8N 58.9W 40 KT 45 MPH 36H 19/0600Z 12.0N 62.8W 40 KT 45 MPH 48H 19/1800Z 12.2N 67.0W 40 KT 45 MPH 72H 20/1800Z...DISSIPATED $$ Forecaster Brown
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