Product: Air Force Vortex Message (URNT12 KNHC) Transmitted: 9th day of the month at 17:22Z Agency: United States Air Force Aircraft: Lockheed WC-130J Hercules with reg. number AF98-5308 Tropical Depression: Six (flight in the North Atlantic basin) Mission Number: 3 Observation Number: 08
A. Time of Center Fix: 9th day of the month at 16:45:10Z B. Center Fix Coordinates: 23.69N 95.85W B. Center Fix Location: 186 statute miles (299 km) to the SE (146°) from Brownsville, TX, USA. C. Minimum Height at Standard Level: 1,387m (4,551ft) at 850mb D. Minimum Sea Level Pressure: 996mb (29.42 inHg) E. Dropsonde Surface Wind at Center: From 140° at 5kts (From the SE at 6mph) F. Eye Character: Open in the west G. Eye Shape & Diameter: Circular with a diameter of 20 nautical miles (23 statute miles) H. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: Not Available I. Location & Time of the Estimated Maximum Surface Wind Inbound (Undecoded): NA J. Maximum Flight Level Wind Inbound: From 308° at 31kts (From the NW at 35.7mph) K. Location & Time of the Maximum Flight Level Wind Inbound: 6 nautical miles to the SW (219°) of center fix at 16:43:30Z L. Estimated (by SFMR or visually) Maximum Surface Wind Outbound: 47kts (54.1mph) M. Location & Time of the Estimated Maximum Surface Wind Outbound: 55 nautical miles (63 statute miles) to the NE (47°) of center fix at 17:02:00Z N. Maximum Flight Level Wind Outbound: From 133° at 58kts (From the SE at 66.7mph) O. Location & Time of the Maximum Flight Level Wind Outbound: 12 nautical miles (14 statute miles) to the NE (44°) of center fix at 16:49:00Z P. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 16°C (61°F) at a pressure alt. of 1,523m (4,997ft) Q. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 20°C (68°F) at a pressure alt. of 1,524m (5,000ft) R. Dewpoint Temp (collected at same location as temp inside eye): 18°C (64°F) R. Sea Surface Temp (collected at same location as temp inside eye): Not Available S. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature S. Fix Levels (surface & flight level centers within 5nm of each other): Surface and 850mb T. Navigational Fix Accuracy: 0.02 nautical miles T. Meteorological Accuracy: 1 nautical mile
Remarks Section:
Maximum Flight Level Wind: 58kts (~ 66.7mph) which was observed 12 nautical miles (14 statute miles) to the NE (44°) from the flight level center at 16:49:00Z
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