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Hurricane Felicia Forecast Discussion Number 5
2021-07-15 10:58:30| National Hurricane Center (East Pacific)
Issued at 200 AM PDT Thu Jul 15 2021 000 WTPZ41 KNHC 150858 TCDEP1 Hurricane Felicia Discussion Number 5 NWS National Hurricane Center Miami FL EP062021 200 AM PDT Thu Jul 15 2021 Overnight, Felicia has maintained a small, but circular central dense overcast near its estimated center. A fortuitous GMI microwave pass at 0545 UTC depicted a well-defined mid-level eye on the 89 GHz channel, with deep convection wrapped three-fourths around the south and east sides of Felicia's center. Since that time, the storm's infrared satellite structure has improved further, with a distinct warm spot apparent near Felicia's center with colder than -70 C cloud tops wrapping around this feature. Subjective Dvorak estimates from TAFB and SAB were both T4.0/65 kt at 0600 UTC, but a more recent objective ADT estimate was up to T4.4/75 kt. Given the additional improvement seen on geostationary satellite imagery since 0600 UTC, the latest initial intensity was raised to 75 kt this advisory, making Felicia a hurricane. Felicia appears to be starting a leftward turn, with the latest estimated motion at 280/10 kt. Over the next 24-36 hours, a weak upper-level trough currently centered over Baja California is forecast to cutoff and shift the mid-level ridging, currently north of Felicia, to the northwest ahead of the cyclone. This ridge reorientation is expected to result in a slow west-southwestward motion of Felicia beginning in the next 24 hours. Afterwards, the mid-level ridging becomes reestablished north of the cyclone, allowing a resumption of a more westward motion after 60 hours. The latest track guidance remains in good agreement, but has shifted a bit more southward this cycle. The official NHC track forecast is also a little south of the previous forecast, blending the latest track forecasts from the TVCE and HCCA consensus aids. Felicia has rapidly intensified over the last 24 hours from a tropical depression to a category one hurricane. In the short term, Felicia remains in an environment of low (5-10 kt) vertical wind shear and warm (27-28 C) sea surface temperatures. Now that the hurricane appears to have developed an inner core with convection axis-symmetric around it, additional intensification is expected with a new peak intensity of 95 kt forecasted in 24 to 36 hours. The first part of the NHC intensity forecast is on the upper end of the intensity guidance due to the higher initial intensity, and also given the possibility rapid intensification continues, as suggested by SHIPS-RII guidance, which gives Felicia a one-in-three chance of a 25 kt intensity increase over the next 24 hours. Afterwards, while vertical wind shear is expected to remain low, mid-level relative humidity is expected to decrease, leaving the small tropical cyclone susceptible to dry-air intrusions as sea surface temperatures also gradually decrease. A combination of these environmental factors are expected to lead to gradual weakening beginning after 36 hours through the end of the forecast. The latter portion of the NHC intensity forecast is in better agreement with the intensity guidance and closely follows the HCCA consensus aid. FORECAST POSITIONS AND MAX WINDS INIT 15/0900Z 15.2N 117.6W 75 KT 85 MPH 12H 15/1800Z 15.3N 118.9W 85 KT 100 MPH 24H 16/0600Z 15.2N 120.6W 95 KT 110 MPH 36H 16/1800Z 14.9N 122.1W 95 KT 110 MPH 48H 17/0600Z 14.6N 123.6W 85 KT 100 MPH 60H 17/1800Z 14.4N 125.3W 80 KT 90 MPH 72H 18/0600Z 14.3N 127.1W 75 KT 85 MPH 96H 19/0600Z 14.4N 131.1W 75 KT 85 MPH 120H 20/0600Z 14.5N 135.1W 65 KT 75 MPH $$ Forecaster Papin/Beven
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Hurricane Felicia Graphics
2021-07-15 10:53:07| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Thu, 15 Jul 2021 08:53:07 GMT Wind Speed Probabilities last updated Thu, 15 Jul 2021 09:22:43 GMT
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Hurricane Felicia Wind Speed Probabilities Number 5
2021-07-15 10:52:32| National Hurricane Center (East Pacific)
Issued at 0900 UTC THU JUL 15 2021 000 FOPZ11 KNHC 150852 PWSEP1 HURRICANE FELICIA WIND SPEED PROBABILITIES NUMBER 5 NWS NATIONAL HURRICANE CENTER MIAMI FL EP062021 0900 UTC THU JUL 15 2021 AT 0900Z THE CENTER OF HURRICANE FELICIA WAS LOCATED NEAR LATITUDE 15.2 NORTH...LONGITUDE 117.6 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 75 KTS...85 MPH...140 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 06Z THU 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 06Z THU 18Z THU 06Z FRI 18Z FRI 06Z SAT 06Z SUN 06Z MON PERIODS TO TO TO TO TO TO TO 18Z THU 06Z FRI 18Z FRI 06Z SAT 06Z SUN 06Z MON 06Z TUE FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT 15N 120W 34 36 62(98) X(98) X(98) X(98) X(98) X(98) 15N 120W 50 4 80(84) 1(85) X(85) X(85) X(85) X(85) 15N 120W 64 X 53(53) 3(56) X(56) X(56) X(56) X(56) 10N 125W 34 X X( X) 1( 1) 1( 2) 4( 6) 1( 7) X( 7) 15N 125W 34 X 2( 2) 7( 9) 42(51) 32(83) 1(84) X(84) 15N 125W 50 X X( X) 1( 1) 11(12) 35(47) 1(48) X(48) 15N 125W 64 X X( X) X( X) 4( 4) 23(27) X(27) X(27) 20N 125W 34 X X( X) X( X) 1( 1) 1( 2) 1( 3) X( 3) 10N 130W 34 X X( X) X( X) X( X) 1( 1) 7( 8) 1( 9) 15N 130W 34 X X( X) X( X) X( X) 12(12) 50(62) 4(66) 15N 130W 50 X X( X) X( X) X( X) 1( 1) 26(27) 4(31) 15N 130W 64 X X( X) X( X) X( X) X( X) 13(13) 2(15) 20N 130W 34 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) 10N 135W 34 X X( X) X( X) X( X) X( X) 1( 1) 6( 7) 15N 135W 34 X X( X) X( X) X( X) X( X) 6( 6) 36(42) 15N 135W 50 X X( X) X( X) X( X) X( X) X( X) 15(15) 15N 135W 64 X X( X) X( X) X( X) X( X) X( X) 5( 5) 20N 135W 34 X X( X) X( X) X( X) X( X) 1( 1) 2( 3) 15N 140W 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) $$ FORECASTER PAPIN/BEVEN
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Summary for Hurricane Felicia (EP1/EP062021)
2021-07-15 10:51:56| National Hurricane Center (East Pacific)
...FELICIA RAPIDLY INTENSIFIES INTO A HURRICANE... ...FURTHER INTENSIFICATION EXPECTED... As of 2:00 AM PDT Thu Jul 15 the center of Felicia was located near 15.2, -117.6 with movement W at 12 mph. The minimum central pressure was 986 mb with maximum sustained winds of about 85 mph.
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Hurricane Felicia Public Advisory Number 5
2021-07-15 10:51:56| National Hurricane Center (East Pacific)
Issued at 200 AM PDT Thu Jul 15 2021 447 WTPZ31 KNHC 150851 TCPEP1 BULLETIN Hurricane Felicia Advisory Number 5 NWS National Hurricane Center Miami FL EP062021 200 AM PDT Thu Jul 15 2021 ...FELICIA RAPIDLY INTENSIFIES INTO A HURRICANE... ...FURTHER INTENSIFICATION EXPECTED... SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...15.2N 117.6W ABOUT 730 MI...1175 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...986 MB...29.12 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 Hurricane Felicia was located near latitude 15.2 North, longitude 117.6 West. Felicia is now moving toward the west near 12 mph (19 km/h). A gradual turn to the west-southwest is expected by Friday with this motion expected to continue over the next 48 hours. Maximum sustained winds have increased to near 85 mph (140 km/h) with higher gusts. Felicia has rapidly intensified into a category 1 hurricane over the past 24 hours and further intensification is expected over the next day or so. Hurricane-force winds extend outward up to 25 miles (35 km) from the center and tropical-storm-force winds extend outward up to 80 miles (130 km). The estimated minimum central pressure is 986 mb (29.12 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 800 AM PDT. $$ Forecaster Papin/Beven
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