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Summary for Tropical Storm Miriam (EP5/EP152018)

2018-08-28 04:34:10| National Hurricane Center (East Pacific)

...MIRIAM MAINTAINING STRENGTH... As of 8:00 PM PDT Mon Aug 27 the center of Miriam was located near 14.0, -132.5 with movement W at 12 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 65 mph.

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Tropical Storm Miriam Public Advisory Number 8

2018-08-28 04:34:10| National Hurricane Center (East Pacific)

Issued at 800 PM PDT Mon Aug 27 2018 080 WTPZ35 KNHC 280234 TCPEP5 BULLETIN Tropical Storm Miriam Advisory Number 8 NWS National Hurricane Center Miami FL EP152018 800 PM PDT Mon Aug 27 2018 ...MIRIAM MAINTAINING STRENGTH... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...14.0N 132.5W ABOUT 1545 MI...2485 KM E OF HILO HAWAII MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 800 PM PDT (0300 UTC), the center of Tropical Storm Miriam was located near latitude 14.0 North, longitude 132.5 West. Miriam is moving toward the west near 12 mph (19 km/h). The tropical storm is forecast to continue moving west at a similar forward speed for the next day or two, before slowing and turning toward the north-northwest later this week. On the forecast track, Miriam will reach the central Pacific basin late Wednesday or early Thursday. Maximum sustained winds remain near 65 mph (100 km/h) with higher gusts. Gradual strengthening is expected over the next few days, and Miriam is forecast to become a hurricane on Tuesday. Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center. The estimated minimum central pressure is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 200 AM PDT. $$ Forecaster Zelinsky

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Tropical Storm Miriam Forecast Advisory Number 8

2018-08-28 04:34:10| National Hurricane Center (East Pacific)

Issued at 0300 UTC TUE AUG 28 2018 081 WTPZ25 KNHC 280234 TCMEP5 TROPICAL STORM MIRIAM FORECAST/ADVISORY NUMBER 8 NWS NATIONAL HURRICANE CENTER MIAMI FL EP152018 0300 UTC TUE AUG 28 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 14.0N 132.5W AT 28/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 999 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 30NE 20SE 0SW 20NW. 34 KT....... 50NE 50SE 30SW 50NW. 12 FT SEAS.. 90NE 75SE 45SW 60NW. 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 14.0N 132.5W AT 28/0300Z AT 28/0000Z CENTER WAS LOCATED NEAR 14.0N 132.1W FORECAST VALID 28/1200Z 14.0N 134.1W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 30NE 30SE 20SW 20NW. 34 KT... 50NE 60SE 40SW 50NW. FORECAST VALID 29/0000Z 14.0N 136.2W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 15NE 0SE 0SW 15NW. 50 KT... 30NE 30SE 20SW 30NW. 34 KT... 60NE 50SE 40SW 50NW. FORECAST VALID 29/1200Z 14.2N 138.1W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 25NE 20SE 15SW 20NW. 50 KT... 40NE 30SE 20SW 40NW. 34 KT... 70NE 70SE 50SW 70NW. FORECAST VALID 30/0000Z 15.0N 139.5W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 25NE 20SE 15SW 20NW. 50 KT... 40NE 30SE 30SW 40NW. 34 KT... 80NE 80SE 50SW 70NW. FORECAST VALID 31/0000Z 17.5N 141.1W MAX WIND 85 KT...GUSTS 105 KT. 50 KT... 40NE 40SE 30SW 40NW. 34 KT... 80NE 80SE 60SW 80NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM ON DAY 4 AND 150 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 01/0000Z 21.5N 142.0W MAX WIND 65 KT...GUSTS 80 KT. OUTLOOK VALID 02/0000Z 26.0N 144.0W MAX WIND 40 KT...GUSTS 50 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.0N 132.5W NEXT ADVISORY AT 28/0900Z $$ FORECASTER ZELINSKY

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Tropical Storm Miriam Wind Speed Probabilities Number 8

2018-08-28 04:34:10| National Hurricane Center (East Pacific)

Issued at 0300 UTC TUE AUG 28 2018 159 FOPZ15 KNHC 280234 PWSEP5 TROPICAL STORM MIRIAM WIND SPEED PROBABILITIES NUMBER 8 NWS NATIONAL HURRICANE CENTER MIAMI FL EP152018 0300 UTC TUE AUG 28 2018 AT 0300Z THE CENTER OF TROPICAL STORM MIRIAM WAS LOCATED NEAR LATITUDE 14.0 NORTH...LONGITUDE 132.5 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 55 KTS...65 MPH...100 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 00Z TUE 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 00Z TUE 12Z TUE 00Z WED 12Z WED 00Z THU 00Z FRI 00Z SAT PERIODS TO TO TO TO TO TO TO 12Z TUE 00Z WED 12Z WED 00Z THU 00Z FRI 00Z SAT 00Z SUN FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT 10N 135W 34 1 2( 3) 1( 4) X( 4) X( 4) X( 4) X( 4) 15N 135W 34 15 44(59) 2(61) 1(62) X(62) X(62) X(62) 15N 135W 50 X 7( 7) 1( 8) X( 8) X( 8) X( 8) X( 8) 20N 135W 34 X X( X) X( X) X( X) 1( 1) 3( 4) X( 4) 10N 140W 34 X X( X) 3( 3) 1( 4) X( 4) X( 4) X( 4) 15N 140W 34 X 2( 2) 19(21) 58(79) 12(91) X(91) X(91) 15N 140W 50 X X( X) 2( 2) 38(40) 21(61) 1(62) X(62) 15N 140W 64 X X( X) X( X) 19(19) 17(36) X(36) X(36) 20N 140W 34 X X( X) X( X) 2( 2) 19(21) 31(52) 2(54) 20N 140W 50 X X( X) X( X) X( X) 3( 3) 16(19) X(19) 20N 140W 64 X X( X) X( X) X( X) 1( 1) 7( 8) X( 8) 25N 140W 34 X X( X) X( X) X( X) X( X) 8( 8) 8(16) 25N 140W 50 X X( X) X( X) X( X) X( X) 1( 1) 2( 3) 15N 145W 34 X X( X) X( X) 1( 1) 5( 6) 2( 8) X( 8) 20N 145W 34 X X( X) X( X) X( X) 3( 3) 15(18) 1(19) 20N 145W 50 X X( X) X( X) X( X) X( X) 4( 4) X( 4) 20N 145W 64 X X( X) X( X) X( X) X( X) 2( 2) X( 2) 25N 145W 34 X X( X) X( X) X( X) X( X) 4( 4) 11(15) 25N 145W 50 X X( X) X( X) X( X) X( X) 1( 1) 3( 4) 30N 145W 34 X X( X) X( X) X( X) X( X) X( X) 4( 4) $$ FORECASTER ZELINSKY

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