Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 4th day of the month at 18:13Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF96-5300
Tropical Depression: Eighteen (flight in the North Atlantic basin)
Mission Number: 4
Observation Number: 06

A. Time of Center Fix: 4th day of the month at 17:41:20Z
B. Center Fix Coordinates: 15.04N 76.38W
B. Center Fix Location: 208 statute miles (335 km) to the S (172°) from Kingston, Jamaica.
C. Minimum Height at Standard Level: 679m (2,228ft) at 925mb
D. Minimum Sea Level Pressure: 999mb (29.50 inHg) - Extrapolated
E. Dropsonde Surface Wind at Center (Undecoded): NA
F. Eye Character: Not Available
G. Eye Shape: Not Available
H. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 38kts (43.7mph)
I. Location & Time of the Estimated Maximum Surface Wind Inbound: 15 nautical miles (17 statute miles) to the WSW/W (259°) of center fix at 17:36:00Z
J. Maximum Flight Level Wind Inbound: From 354° at 20kts (From the N at 23.0mph)
K. Location & Time of the Maximum Flight Level Wind Inbound: 3 nautical miles to the W (265°) of center fix at 17:40:00Z
L. Estimated (by SFMR or visually) Maximum Surface Wind Outbound: 53kts (61.0mph)
M. Location & Time of the Estimated Maximum Surface Wind Outbound: 30 nautical miles (35 statute miles) to the SE (133°) of center fix at 17:51:30Z
N. Maximum Flight Level Wind Outbound: From 210° at 38kts (From the SSW at 43.7mph)
O. Location & Time of the Maximum Flight Level Wind Outbound: 2 nautical miles to the ESE (116°) of center fix at 17:42:30Z
P. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 21°C (70°F) at a pressure alt. of 761m (2,497ft)
Q. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 24°C (75°F) at a pressure alt. of 763m (2,503ft)
R. Dewpoint Temp (collected at same location as temp inside eye): 16°C (61°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 Level: 925mb
T. Navigational Fix Accuracy: 0.02 nautical miles
T. Meteorological Accuracy: 1 nautical mile

Remarks Section - Remarks That Were Decoded...

Maximum Flight Level Wind: 28kts (~ 32.2mph) which was observed 2 nautical miles to the ESE (116°) from the flight level center at 17:42:30Z
Sea Level Pressure Extrapolation From: 925mb

Remarks Section - Additional Remarks...

EYEWALL DEVELOPING NEAR CENTER