Two non suspect 10 second estimated surface winds by SFMR in a row: 151 knots (173.8 mph) 152 knots (174.9 mph) The NHC will need to raise the winds based on that. URNT12 KNHC 192236 VORTEX DATA MESSAGE AL152017 A. 19/22:19:00Z B. 16 deg 53 min N 064 deg 06 min W C. 700 mb 2320 m D. 132 kt E. 133 deg 8 nm F. 228 deg 136 kt G. 131 deg 6 nm H. 910 mb I. 12 C / 3052 m J. 21 C / 3047 m K. 12 C / NA L. CLOSED M. C9 N. 12345 / 7 O. 0.02 / 1 nm P. AF303 0515A MARIA OB 23 MAX OUTBOUND AND MAX FL WIND 157 KT 352 / 5 NM 22:21:30Z CNTR DROPSONDE SFC WIND 120 / 14 KT Product: Air Force Vortex Message (URNT12 KNHC) Transmitted: 19th day of the month at 22:36Z Agency: United States Air Force Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5303 Storm Number & Year: 15 in 2017 Storm Name: Maria (flight in the North Atlantic basin) Mission Number: 5 Observation Number: 23 A. Time of Center Fix: 19th day of the month at 22:19:00Z B. Center Fix Coordinates: 16°53'N 64°06'W (16.8833N 64.1W) B. Center Fix Location: 167 statute miles (269 km) to the SE (129°) from San Juan, Puerto Rico (U.S.). C. Minimum Height at Standard Level: 2,320m (7,612ft) at 700mb D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 132kts (~ 151.9mph) E. Location of the Estimated Maximum Surface Wind Inbound: 8 nautical miles (9 statute miles) to the SE (133°) of center fix F. Maximum Flight Level Wind Inbound: From 228° at 136kts (From the SW at ~ 156.5mph) G. Location of Maximum Flight Level Wind Inbound: 6 nautical miles (7 statute miles) to the SE (131°) of center fix H. Minimum Sea Level Pressure: 910mb (26.88 inHg) I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 12°C (54°F) at a pressure alt. of 3,052m (10,013ft) J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 21°C (70°F) at a pressure alt. of 3,047m (9,997ft) K. Dewpoint Temp (collected at same location as temp inside eye): 12°C (54°F) K. Sea Surface Temp (collected at same location as temp inside eye): Not Available L. Eye Character: Closed M. Eye Shape & Diameter: Circular with a diameter of 9 nautical miles N. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature N. Fix Level: 700mb O. Navigational Fix Accuracy: 0.02 nautical miles O. Meteorological Accuracy: 1 nautical mile Remarks Section: Maximum Outbound and Flight Level Wind: 157kts (~ 180.7mph) which was observed 5 nautical miles to the N (352°) from the flight level center at 22:21:30Z Dropsonde Surface Wind at Center: From 120° at 14kts (From the ESE at 16mph) |