danielwAdministrator
(Moderator)
Fri Aug 27 2010 02:19 PM
Danielle RECON Vortex Message

Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 27th day of the month at 18:01Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 305)
Storm Number & Year: 06L in 2010
Storm Name: Danielle (flight in the North Atlantic basin)
Mission Number: 1
Observation Number: 11
A. Time of Center Fix: 27th day of the month at 17:35:30Z
B. Center Fix Coordinates: 26°59'N 60°05'W (26.9833N 60.0833W)
B. Center Fix Location: 464 miles (747 km) to the SE (142°) from Hamilton, Bermuda (GBR).
C. Minimum Height at Standard Level: 2,615m (8,579ft) at 700mb
D. Estimated (by SFMR or visually) Maximum Surface Wind: 101kts (~ 116.2mph)
E. Location of the Estimated Maximum Surface Wind: 9 nautical miles (10 statute miles) to the NW (325°) of center fix
F. Maximum Flight Level Wind Inbound: From 58° at 107kts (From the ENE at ~ 123.1mph)
G. Location of Maximum Flight Level Wind Inbound: 12 nautical miles (14 statute miles) to the NW (322°) of center fix
H. Minimum Sea Level Pressure: 942mb (27.82 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 10°C (50°F) at a pressure alt. of 3,055m (10,023ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 20°C (68°F) at a pressure alt. of 3,040m (9,974ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 13°C (55°F)
K. Sea Surface Temp (collected at same location as temp inside eye): Not Available
L. Eye Character: Closed Wall
M. Eye Shape & Diameter: Circular with a diameter of 18 nautical miles (21 statute miles)
N. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature
N. Fix Level: 700mb
O. Navigation Fix Accuracy: 0.02 nautical miles
O. Meteorological Accuracy: 1 nautical mile
Remarks Section:
Maximum Flight Level Wind: 119kts (~ 136.9mph) in the northeast quadrant at 15:52:50Z
Maximum Flight Level Wind Outbound: 109kts (~ 125.4mph) in the southeast quadrant at 17:44:10Z

data courtesy of http://tropicalatlantic.com/recon/ ~danielw

Note:This vortex brings Danielle back into the norms with respect to pressure and wind relationship.
1000 - 942mb = 58 + 75 = 133 mph
We will have to see what NHC uses as the surface wind speed. Possibly 123 mph.