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Summary for Tropical Depression Iselle (EP4/EP142020)
2020-08-30 16:35:10| National Hurricane Center (East Pacific)
...ISELLE FORECAST TO BECOME A REMNANT LOW LATER TODAY... As of 9:00 AM MDT Sun Aug 30 the center of Iselle was located near 23.0, -113.3 with movement N at 8 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.
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Tropical Depression Iselle Public Advisory Number 17
2020-08-30 16:35:10| National Hurricane Center (East Pacific)
Issued at 900 AM MDT Sun Aug 30 2020 000 WTPZ34 KNHC 301435 TCPEP4 BULLETIN Tropical Depression Iselle Advisory Number 17 NWS National Hurricane Center Miami FL EP142020 900 AM MDT Sun Aug 30 2020 ...ISELLE FORECAST TO BECOME A REMNANT LOW LATER TODAY... SUMMARY OF 900 AM MDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...23.0N 113.3W ABOUT 215 MI...350 KM W OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 900 AM MDT (1500 UTC), the center of Tropical Depression Iselle was located near latitude 23.0 North, longitude 113.3 West. The depression is moving toward the north near 8 mph (13 km/h), and a gradual turn toward the north-northwest is expected by tomorrow before the cyclone dissipates. Maximum sustained winds remain near 35 mph (55 km/h) with higher gusts. Iselle is forecast to degenerate into a remnant low later today and decay into a trough of low pressure by Tuesday. The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Iselle and a large area of southwesterly winds to its south are affecting portions of the southwestern and west-central coast of Mexico, as well as the west coast of Baja California Sur. These swells are expected to continue for the next couple of days and will likely cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 300 PM MDT. $$ Forecaster Blake
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Tropical Depression Iselle Forecast Advisory Number 17
2020-08-30 16:35:10| National Hurricane Center (East Pacific)
Issued at 1500 UTC SUN AUG 30 2020 000 WTPZ24 KNHC 301435 TCMEP4 TROPICAL DEPRESSION ISELLE FORECAST/ADVISORY NUMBER 17 NWS NATIONAL HURRICANE CENTER MIAMI FL EP142020 1500 UTC SUN AUG 30 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 23.0N 113.3W AT 30/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 7 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 23.0N 113.3W AT 30/1500Z AT 30/1200Z CENTER WAS LOCATED NEAR 22.7N 113.4W FORECAST VALID 31/0000Z 24.0N 113.4W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 31/1200Z 25.0N 113.7W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 01/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.0N 113.3W NEXT ADVISORY AT 30/2100Z $$ FORECASTER BLAKE
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Tropical Depression Iselle Graphics
2020-08-30 10:40:06| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Sun, 30 Aug 2020 08:40:06 GMT Wind Speed Probabilities last updated Sun, 30 Aug 2020 08:40:06 GMT
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Tropical Depression Iselle Forecast Discussion Number 16
2020-08-30 10:36:37| National Hurricane Center (East Pacific)
Issued at 300 AM MDT Sun Aug 30 2020 000 WTPZ44 KNHC 300836 TCDEP4 Tropical Depression Iselle Discussion Number 16 NWS National Hurricane Center Miami FL EP142020 300 AM MDT Sun Aug 30 2020 Iselle has produced very little deep convection since around 00Z. Earlier partial ASCAT data indicated that the maximum winds have decreased to 30 kt, which is not surprising given Iselle's lack of organization. Iselle is moving into a drier and more stable environment and over progressively cooler SSTs. While some slight redevelopment of convection is possible during the next few hours, it is unlikely to be very well organized and Iselle is forecast become post-tropical later today. The remnants of Iselle will then continue to gradually spin down for another day or two until it dissipates entirely in a couple of days. The cyclone has moved generally north-northeastward to northward during the pas few hours and is slowing down. The guidance is in good agreement that a northward to north-northwestward motion is likely until Iselle dissipates. No changes of note were made to the NHC track or intensity forecasts. FORECAST POSITIONS AND MAX WINDS INIT 30/0900Z 22.3N 114.0W 30 KT 35 MPH 12H 30/1800Z 23.3N 114.1W 30 KT 35 MPH...POST-TROP/REMNT LOW 24H 31/0600Z 24.2N 114.2W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 31/1800Z 24.9N 114.4W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 01/0600Z 26.0N 115.0W 15 KT 15 MPH...POST-TROP/REMNT LOW 60H 01/1800Z...DISSIPATED $$ Forecaster Zelinsky
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