Storm Hunter
(Veteran Storm Chaser)
Wed Jun 30 2010 04:57 AM
Re: Alex Becomes Hurricane in Bay of Campeche

recon just did a loop in the center... width only about 10 miles... coming in from the NE winds were as high as 92mph i think... looks like pressure may have fallen below 960mb too! waiting on dropsonde data... appears a very small eye...

update

Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 30th day of the month at 08:51Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 306)
Storm Number & Year: 01L in 2010
Storm Name: Alex (flight in the North Atlantic basin)
Mission Number: 11
Observation Number: 05
A. Time of Center Fix: 30th day of the month at 8:42:00Z
B. Center Fix Coordinates: 23°19'N 95°00'W (23.3167N 95.W)
B. Center Fix Location: 239 miles (384 km) to the SE (139°) from Brownsville, TX, USA.
C. Minimum Height at Standard Level: 1,075m (3,527ft) at 850mb
D. Estimated (by SFMR or visually) Maximum Surface Wind: 71kts (~ 81.7mph)
E. Location of the Estimated Maximum Surface Wind: 7 nautical miles (8 statute miles) to the NE (45°) of center fix
F. Maximum Flight Level Wind Inbound: From 123° at 82kts (From between the ESE and SE at ~ 94.4mph)
G. Location of Maximum Flight Level Wind Inbound: 10 nautical miles (12 statute miles) to the NE (45°) of center fix
H. Minimum Sea Level Pressure: 961mb (28.38 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 19°C (66°F) at a pressure alt. of 1,522m (4,993ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 22°C (72°F) at a pressure alt. of 1,520m (4,987ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 19°C (66°F)
K. Sea Surface Temp (collected at same location as temp inside eye): Not Available
L. Eye Character: Open in the south
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: 82kts (~ 94.4mph) in the northeast quadrant at 8:33:40Z