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Summary for Tropical Depression Henriette (EP4/EP092019)
2019-08-13 10:32:14| National Hurricane Center (East Pacific)
...HENRIETTE WEAKENING QUICKLY... ...EXPECTED TO BECOME A REMNANT LOW LATER TODAY... As of 2:00 AM PDT Tue Aug 13 the center of Henriette was located near 21.1, -115.2 with movement WNW at 13 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 30 mph.
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Tropical Depression Henriette Public Advisory Number 6
2019-08-13 10:32:14| National Hurricane Center (East Pacific)
Issued at 200 AM PDT Tue Aug 13 2019 000 WTPZ34 KNHC 130832 TCPEP4 BULLETIN Tropical Depression Henriette Advisory Number 6 NWS National Hurricane Center Miami FL EP092019 200 AM PDT Tue Aug 13 2019 ...HENRIETTE WEAKENING QUICKLY... ...EXPECTED TO BECOME A REMNANT LOW LATER TODAY... SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...21.1N 115.2W ABOUT 360 MI...580 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 13 MPH...20 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 200 AM PDT (0900 UTC), the center of Tropical Depression Henriette was located near latitude 21.1 North, longitude 115.2 West. The depression is moving toward the west-northwest near 13 mph (20 km/h) and this general motion should continue through tonight. Maximum sustained winds have decreased to near 30 mph (45 km/h) with higher gusts. Additional weakening is expected during the next 24 hours, and the depression is forecast to degenerate into a remnant low later today. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 800 AM PDT. $$ Forecaster Brown
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Tropical Depression Nine-E Forecast Discussion Number 1
2019-08-12 04:51:54| National Hurricane Center (East Pacific)
Issued at 900 PM MDT Sun Aug 11 2019 000 WTPZ44 KNHC 120251 TCDEP4 Tropical Depression Nine-E Discussion Number 1 NWS National Hurricane Center Miami FL EP092019 900 PM MDT Sun Aug 11 2019 The broad low pressure system that the NHC has been tracking the past several days has finally developed a well-defined surface circulation and enough organized deep convection to be classified as a tropical depression. A late-arriving 1716Z ASCAT-C scatterometer pass indicated the surface wind field was possibly closed at that time, but since then deep convection with tops of -75C to -80C have persisted near and to the west of the mid-level circulation center, suggesting that a low-level center has likely closed off now. Dvorak satellite intensity estimates are T1.5/25 kt from both TAFB and SAB, but the initial intensity is set at 30 kt based on 30-31 kt winds indicated in the aforementioned scatterometer data. The initial motion is estimated to be west-northwestward or 295/12 kt, based primarily on scatterometer and passive microwave fixes. The small cyclone is expected to move west-northwestward around the southern periphery of a deep-layer ridge for the next 3 days until dissipation occurs. The NHC track forecast lies near the southern portion of the guidance envelope, between the TVCE consensus model and the ECMWF-ensemble mean model. The small cyclone only has about 36 hours to strengthen before the system moves over sub-26 deg C SSTs. The shear is forecast to be low at less than 10 kt for the next 72 hours or so, even decreasing to near 5 kt in 24-36 h, which would normally result in significant development. However, intermittent intrusions of dry mid-level air are expected to disrupt the typical intensification process, thus only modest strengthening is forecast through 36 h, after which much cooler waters will induce a weakening trend. The official intensity forecast closely follows a blend of the HCCA and IVCN intensity consensus models. FORECAST POSITIONS AND MAX WINDS INIT 12/0300Z 18.9N 109.8W 30 KT 35 MPH 12H 12/1200Z 19.4N 111.2W 35 KT 40 MPH 24H 13/0000Z 20.3N 113.1W 35 KT 40 MPH 36H 13/1200Z 21.3N 115.3W 35 KT 40 MPH 48H 14/0000Z 22.1N 117.8W 30 KT 35 MPH...POST-TROP/REMNT LOW 72H 15/0000Z 23.7N 123.2W 25 KT 30 MPH...POST-TROP/REMNT LOW 96H 16/0000Z...DISSIPATED $$ Forecaster Stewart
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Tropical Depression Nine-E Graphics
2019-08-12 04:49:30| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Mon, 12 Aug 2019 02:49:30 GMT Wind Speed Probabilities last updated Mon, 12 Aug 2019 03:24:28 GMT
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Summary for Tropical Depression Nine-E (EP4/EP092019)
2019-08-12 04:48:24| National Hurricane Center (East Pacific)
...TROPICAL DEPRESSION FORMS WELL SOUTH OF BAJA CALIFORNIA SUR... As of 9:00 PM MDT Sun Aug 11 the center of Nine-E was located near 18.9, -109.8 with movement WNW at 14 mph. The minimum central pressure was 1006 mb with maximum sustained winds of about 35 mph.
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