Recon image through 2:27am AST
Posted by Chris in Tampa on 9/20/2017, 2:39 am
URNT12 KNHC 200629
VORTEX DATA MESSAGE   AL152017
A. 20/06:08:00Z
B. 17 deg 37 min N
 065 deg 08 min W
C. 700 mb 2334 m
D. 115 kt
E. 055 deg 6 nm
F. 135 deg 136 kt
G. 050 deg 16 nm
H. 915 mb
I. 11 C / 3059 m
J. 19 C / 3043 m
K. 13 C / NA
L. CLOSED
M. CO10-30
N. 12345 / 7
O. 0.02 / 1 nm
P. AF302 0715A MARIA              OB 15
MAX FL WIND 136 KT 050 / 16 NM 06:03:00Z
CNTR DROPSONDE SFC WIND 215 / 16 KT



Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 20th day of the month at 6:29Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF96-5302
Storm Number & Year: 15 in 2017
Storm Name: Maria (flight in the North Atlantic basin)
Mission Number: 7
Observation Number: 15
A. Time of Center Fix: 20th day of the month at 6:08:00Z
B. Center Fix Coordinates: 17°37'N 65°08'W (17.6167N 65.1333W)
B. Center Fix Location: 30 statute miles (48 km) to the WSW (252°) from Christiansted, U.S. Virgin Islands.
C. Minimum Height at Standard Level: 2,334m (7,657ft) at 700mb
D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 115kts (~ 132.3mph)
E. Location of the Estimated Maximum Surface Wind Inbound: 6 nautical miles (7 statute miles) to the NE (55°) of center fix
F. Maximum Flight Level Wind Inbound: From 135° at 136kts (From the SE at ~ 156.5mph)
G. Location of Maximum Flight Level Wind Inbound: 16 nautical miles (18 statute miles) to the NE (50°) of center fix
H. Minimum Sea Level Pressure: 915mb (27.02 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 11°C (52°F) at a pressure alt. of 3,059m (10,036ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 19°C (66°F) at a pressure alt. of 3,043m (9,984ft)
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
M. Eye Shape: Concentric (has an inner and outer eye)
M. Inner Eye Diameter: 10 nautical miles (12 statute miles)
M. Outer Eye Diameter: 30 nautical miles (35 statute miles)
N. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature
N. Fix Level: 700mb
O. Navigational Fix Accuracy: 0.02 nautical miles
O. Meteorological Accuracy: 1 nautical mile

Remarks Section:
Maximum Flight Level Wind: 136kts (~ 156.5mph) which was observed 16 nautical miles (18 statute miles) to the NE (50°) from the flight level center at 6:03:00Z
Dropsonde Surface Wind at Center: From 215° at 16kts (From the SW at 18mph)



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