Storm Hunter
(Veteran Storm Chaser)
Wed Jun 30 2010 05:37 PM
Re: Hurricane Alex Continues to Strengthen

Pressure dropped 4mb in an hour?

Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 30th day of the month at 21:32Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 304)
Storm Number & Year: 01L in 2010
Storm Name: Alex (flight in the North Atlantic basin)
Mission Number: 12
Observation Number: 18
A. Time of Center Fix: 30th day of the month at 21:14:30Z
B. Center Fix Coordinates: 24°21'N 96°56'W (24.35N 96.9333W)
B. Center Fix Location: 115 miles (184 km) to the SSE (162°) from Brownsville, TX, USA.
C. Minimum Height at Standard Level: 1,042m (3,419ft) at 850mb
D. Estimated (by SFMR or visually) Maximum Surface Wind: 80kts (~ 92.1mph)
E. Location of the Estimated Maximum Surface Wind: 11 nautical miles (13 statute miles) to the N (350°) of center fix
F. Maximum Flight Level Wind Inbound: From 79° at 94kts (From the E at ~ 108.2mph)
G. Location of Maximum Flight Level Wind Inbound: 13 nautical miles (15 statute miles) to the N (351°) of center fix
H. Minimum Sea Level Pressure: 955mb (28.20 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 18°C (64°F) at a pressure alt. of 1,524m (5,000ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 22°C (72°F) at a pressure alt. of 1,522m (4,993ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 21°C (70°F)
K. Sea Surface Temp (collected at same location as temp inside eye): Not Available
L. Eye Character: Closed
M. Eye Shape & Diameter: Circular with a diameter of 10 nautical miles (12 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 Flight Level Wind: 96kts (~ 110.5mph) in the northeast quadrant at 16:51:20Z