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Post-Tropical Cyclone Hernan Graphics
2020-08-28 22:34:29| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Fri, 28 Aug 2020 20:34:29 GMT Wind Speed Probabilities last updated Fri, 28 Aug 2020 21:31:31 GMT
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Post-Tropical Cyclone Hernan Forecast Discussion Number 11
2020-08-28 22:33:38| National Hurricane Center (East Pacific)
Issued at 300 PM MDT Fri Aug 28 2020 000 WTPZ43 KNHC 282033 TCDEP3 Post-Tropical Cyclone Hernan Discussion Number 11 NWS National Hurricane Center Miami FL EP132020 300 PM MDT Fri Aug 28 2020 Satellite imagery, scatterometer data, and surface observations indicate that Hernan has degenerated into a broad low pressure area near the southern end of the Baja California peninsula. The remnant low is forecast to move generally westward for the next 12-24 h until it is absorbed into the monsoon gyre that includes Tropical Storm Iselle. This is the last advisory issued by the National Hurricane Center on this system. For additional information on the remnant low please see High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php FORECAST POSITIONS AND MAX WINDS INIT 28/2100Z 23.2N 110.1W 25 KT 30 MPH...POST-TROP/REMNT LOW 12H 29/0600Z 23.3N 111.8W 20 KT 25 MPH...POST-TROP/REMNT LOW 24H 29/1800Z...DISSIPATED $$ Forecaster Beven
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Summary for Post-Tropical Cyclone Hernan (EP3/EP132020)
2020-08-28 22:33:08| National Hurricane Center (East Pacific)
...HERNAN DEGENERATES TO A BROAD LOW PRESSURE AREA... ...THIS IS THE LAST ADVISORY... As of 3:00 PM MDT Fri Aug 28 the center of Hernan was located near 23.2, -110.1 with movement W at 14 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 30 mph.
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Post-Tropical Cyclone Hernan Public Advisory Number 11
2020-08-28 22:33:08| National Hurricane Center (East Pacific)
Issued at 300 PM MDT Fri Aug 28 2020 000 WTPZ33 KNHC 282032 TCPEP3 BULLETIN Post-Tropical Cyclone Hernan Advisory Number 11 NWS National Hurricane Center Miami FL EP132020 300 PM MDT Fri Aug 28 2020 ...HERNAN DEGENERATES TO A BROAD LOW PRESSURE AREA... ...THIS IS THE LAST ADVISORY... SUMMARY OF 300 PM MDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...23.2N 110.1W ABOUT 25 MI...40 KM NNW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...W OR 280 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 300 PM MDT (2100 UTC), the center of Post-Tropical Cyclone Hernan was located near latitude 23.2 North, longitude 110.1 West. The post-tropical cyclone is moving toward the west near 14 mph (22 km/h) and this general motion is expected to continue until the system dissipates west of the southern portion of the Baja California peninsula tonight or on Saturday. Maximum sustained winds are near 30 mph (45 km/h) with higher gusts. The low pressure area is expected to dissipate tonight or Saturday. The estimated minimum central pressure is 1008 mb (29.77 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on this system. For additional information on the remnant low please see High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php $$ Forecaster Beven
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Post-Tropical Cyclone Hernan Wind Speed Probabilities Number 11
2020-08-28 22:33:08| National Hurricane Center (East Pacific)
Issued at 2100 UTC FRI AUG 28 2020 000 FOPZ13 KNHC 282032 PWSEP3 POST-TROPICAL CYCLONE HERNAN WIND SPEED PROBABILITIES NUMBER 11 NWS NATIONAL HURRICANE CENTER MIAMI FL EP132020 2100 UTC FRI AUG 28 2020 AT 2100Z THE CENTER OF POST-TROPICAL CYCLONE HERNAN WAS LOCATED NEAR LATITUDE 23.2 NORTH...LONGITUDE 110.1 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 25 KTS...30 MPH...45 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) PACIFIC DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 18Z FRI AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 18Z FRI 06Z SAT 18Z SAT 06Z SUN 18Z SUN 18Z MON 18Z TUE PERIODS TO TO TO TO TO TO TO 06Z SAT 18Z SAT 06Z SUN 18Z SUN 18Z MON 18Z TUE 18Z WED FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER BEVEN
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