We might have our hurricane at 5pm...
Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 27th day of the month at 20:23Z
Corrected: This observation corrected a previous observation.
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 306)
Storm Number & Year: 09L in 2012
Storm Name: Isaac (flight in the North Atlantic basin)
Mission Number: 27
Observation Number: 10
A. Time of Center Fix: 27th day of the month at 19:30:40Z
B. Center Fix Coordinates: 26°14'N 85°56'W (26.2333N 85.9333W) (View map)
B. Center Fix Location: 245 miles (394 km) to the WSW (241°) from Tampa, FL, USA.
C. Minimum Height at Standard Level: 1,280m (4,199ft) at 850mb
D. Estimated (by SFMR or visually) Maximum Surface Wind: 43kts (~ 49.5mph)
E. Location of the Estimated Maximum Surface Wind: 11 nautical miles (13 statute miles) to the NNE (12°) of center fix
F. Maximum Flight Level Wind Inbound: From 100° at 54kts (From the E at ~ 62.1mph)
G. Location of Maximum Flight Level Wind Inbound: 19 nautical miles (22 statute miles) to the NNE (19°) of center fix
H. Minimum Sea Level Pressure: 982mb (29.00 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 20°C (68°F) at a pressure alt. of 1,543m (5,062ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 22°C (72°F) at a pressure alt. of 1,544m (5,066ft)
K. Dewpoint Temp & Sea Surface Temp (collected at same location as temp inside eye): Not Available
L. Eye Character: Open in the north
M. Eye Shape & Diameter: Circular with a diameter of 20 nautical miles (23 statute miles)
N. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature
N. Fix Level: 850mb
O. Navigation Fix Accuracy: 0.02 nautical miles
O. Meteorological Accuracy: 1 nautical mile
Remarks Section:
Maximum Wind Outbound: 74kts (~ 85.2mph) in the southwest quadrant at 19:52:30Z
Maximum Flight Level Wind: 74kts (~ 85.2mph) in the southwest quadrant at 19:52:30Z CLOSE, but no cigar, winds up to 70 mph, pressure continues to drop down to 981mb and is now moving NW at 12 mph per 5pm advisory. NHC is once again forecasting a
Cat. 2 hurricane (100mph) by landfall.
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