cieldumort
(Moderator)
Thu Jul 11 2019 12:07 PM
Re: Tropical Storm Barry forms in Gulf of Mexico

First Vortex message
Quote:

Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 11th day of the month at 15:34Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5303
Tropical Depression: Two (flight in the North Atlantic basin)
Mission Number: 4
Observation Number: 11

A. Time of Center Fix: 11th day of the month at 14:35:20Z
B. Center Fix Coordinates: 27.77N 88.82W
B. Center Fix Location: 170 statute miles (273 km) to the SSE (154°) from New Orleans, LA, USA.
C. Minimum Height at Standard Level: Not Available
D. Minimum Sea Level Pressure: 1006mb (29.71 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: 33kts (38.0mph)
I. Location & Time of the Estimated Maximum Surface Wind Inbound: 122 nautical miles (140 statute miles) to the SE (134°) of center fix at 13:56:00Z
J. Maximum Flight Level Wind Inbound: From 229° at 41kts (From the SW at 47.2mph)
K. Location & Time of the Maximum Flight Level Wind Inbound: 128 nautical miles (147 statute miles) to the SE (134°) of center fix at 13:54:00Z
L. Estimated (by SFMR or visually) Maximum Surface Wind Outbound: 37kts (42.6mph)
M. Location & Time of the Estimated Maximum Surface Wind Outbound: 33 nautical miles (38 statute miles) to the WNW (297°) of center fix at 14:47:30Z
N. Maximum Flight Level Wind Outbound: From 14° at 23kts (From the NNE at 26.5mph)
O. Location & Time of the Maximum Flight Level Wind Outbound: 60 nautical miles (69 statute miles) to the WNW (302°) of center fix at 14:56:30Z
P. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 23°C (73°F) at a pressure alt. of 236m (774ft)
Q. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 25°C (77°F) at a pressure alt. of 241m (791ft)
R. Dewpoint Temp & Sea Surface Temp: Not Available
S. Fix Determined By: Penetration and Wind
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: 8 nautical miles

Remarks Section:

Maximum Flight Level Wind: 41kts (~ 47.2mph) which was observed 128 nautical miles (147 statute miles) to the SE (134°) from the flight level center at 13:54:00Z
Sea Level Pressure Extrapolation From: Below 1500 feet