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Posted by Chris in Tampa on 10/4/2016, 12:14 am




URNT12 KNHC 040402
VORTEX DATA MESSAGE   AL142016
A. 04/03:47:10Z
B. 17 deg 06 min N
 074 deg 33 min W
C. 700 mb 2533 m
D. 127 kt
E. 047 deg 12 nm
F. 132 deg 131 kt
G. 047 deg 17 nm
H. 935 mb
I. 10 C / 3041 m
J. 21 C / 3041 m
K. 11 C / NA
L. OPEN SW
M. C24
N. 12345 / 7
O. 0.02 / 1 nm
P. AF306 1814A MATTHEW            OB 28
MAX FL WIND 142 KT 150 / 23 NM 02:56:00Z
CNTR DROPSONDE SFC WIND 250 / 3 KT



Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 4th day of the month at 4:02Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5306
Storm Number & Year: 14 in 2016
Storm Name: Matthew (flight in the North Atlantic basin)
Mission Number: 18
Observation Number: 28
A. Time of Center Fix: 4th day of the month at 3:47:10Z
B. Center Fix Coordinates: 17°06'N 74°33'W (17.1N 74.55W)
B. Center Fix Location: 162 statute miles (261 km) to the ESE (113°) from Kingston, Jamaica.
C. Minimum Height at Standard Level: 2,533m (8,310ft) at 700mb
D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 127kts (~ 146.1mph)
E. Location of the Estimated Maximum Surface Wind Inbound: 12 nautical miles (14 statute miles) to the NE (47°) of center fix
F. Maximum Flight Level Wind Inbound: From 132° at 131kts (From the SE at ~ 150.8mph)
G. Location of Maximum Flight Level Wind Inbound: 17 nautical miles (20 statute miles) to the NE (47°) of center fix
H. Minimum Sea Level Pressure: 935mb (27.61 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 10°C (50°F) at a pressure alt. of 3,041m (9,977ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 21°C (70°F) at a pressure alt. of 3,041m (9,977ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 11°C (52°F)
K. Sea Surface Temp (collected at same location as temp inside eye): Not Available
L. Eye Character: Open in the southwest, SW
M. Eye Shape & Diameter: Circular with a diameter of 24 nautical miles (28 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: 142kts (~ 163.4mph) which was observed 23 nautical miles (26 statute miles) to the SSE (150°) from the flight level center at 2:56:00Z
Dropsonde Surface Wind at Center: From 250° at 3kts (From the WSW at 3mph)
166
In this thread:
11pm EDT Monday: 145mph; N at 7 mph; 934mb - Chris in Tampa, 10/3/2016, 10:59 pm
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