Barry in the Bay of Campeche

First VDM, rather weak, but closed and fairly well defined, much as expected. Would not be unreasonable for NHC to begin advisories by 4PM CDT.

Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 28th day of the month at 19:10Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5304
Mission Purpose: Investigate first suspect area (flight in the North Atlantic basin)
Mission Number: 1
Observation Number: 04

A. Time of Center Fix: 28th day of the month at 18:36:30Z
B. Center Fix Coordinates: 19.28N 93.89W
B. Center Fix Location: 109 statute miles (175 km) to the NW (325°) from Villahermosa, Tabasco, Mexico.
C. Minimum Height at Standard Level: Not Available
D. Minimum Sea Level Pressure: 1012mb (29.89 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: Not Available
I. Location & Time of the Estimated Maximum Surface Wind Inbound (Undecoded): NA
J. Maximum Flight Level Wind Inbound: From 223° at 20kts (From the SW at 23.0mph)
K. Location & Time of the Maximum Flight Level Wind Inbound: 25 nautical miles (29 statute miles) to the SE (144°) of center fix at 18:28:30Z
L. Estimated (by SFMR or visually) Maximum Surface Wind Outbound: Not Available
M. Location & Time of the Estimated Maximum Surface Wind Outbound (Undecoded): NA
N. Maximum Flight Level Wind Outbound: From 59° at 15kts (From the ENE at 17.3mph)
O. Location & Time of the Maximum Flight Level Wind Outbound: 24 nautical miles (28 statute miles) to the NW (315°) of center fix at 18:44:30Z
P. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 22°C (72°F) at a pressure alt. of 304m (997ft)
Q. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 23°C (73°F) at a pressure alt. of 304m (997ft)
R. Dewpoint Temp (collected at same location as temp inside eye): 21°C (70°F)
R. Sea Surface Temp (collected at same location as temp inside eye): Not Available
S. Fix Determined By: Penetration, Wind, Pressure and Temperature
S. Fix Levels (surface & flight level centers within 5nm of each other): Surface and 1,500 feet
T. Navigational Fix Accuracy: 0.02 nautical miles
T. Meteorological Accuracy: 9 nautical miles

Remarks Section - Remarks That Were Decoded...

Maximum Flight Level Wind: 20kts (~ 23.0mph) which was observed 25 nautical miles (29 statute miles) to the SE (144°) from the flight level center at 18:28:30Z
Sea Level Pressure Extrapolation From: Below 1500 feet

Remarks Section - Additional Remarks...

FIXED AT FL010 AGL

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