4:56am CDT Friday Vortex Message: 953mb, 16kts of surface wind
Posted by Chris in Tampa on 8/25/2017, 6:24 am
URNT12 KNHC 251017
VORTEX DATA MESSAGE   AL092017
A. 25/09:56:10Z
B. 26 deg 06 min N
 095 deg 35 min W
C. 700 mb 2693 m
D. 86 kt
E. 135 deg 7 nm
F. 232 deg 92 kt
G. 140 deg 10 nm
H. 953 mb
I. 13 C / 3061 m
J. 17 C / 3046 m
K. 10 C / NA
L. CLOSED
M. C11
N. 1234 / 7
O. 0.02 / 0.75 nm
P. AF305 1709A HARVEY             OB 12
MAX FL WIND 96 KT 116 / 17 NM 08:46:30Z
CNTR DROPSONDE SFC WIND 155 / 16 KT
MAX FL TEMP 17 C 360 / 2 NM FROM FL CNTR



Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 25th day of the month at 10:17Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5305
Storm Number & Year: 09 in 2017
Storm Name: Harvey (flight in the North Atlantic basin)
Mission Number: 17
Observation Number: 12
A. Time of Center Fix: 25th day of the month at 9:56:10Z
B. Center Fix Coordinates: 26°06'N 95°35'W (26.1N 95.5833W)
B. Center Fix Location: 119 statute miles (191 km) to the E (84°) from Brownsville, TX, USA.
C. Minimum Height at Standard Level: 2,693m (8,835ft) at 700mb
D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 86kts (~ 99.0mph)
E. Location of the Estimated Maximum Surface Wind Inbound: 7 nautical miles (8 statute miles) to the SE (135°) of center fix
F. Maximum Flight Level Wind Inbound: From 232° at 92kts (From the SW at ~ 105.9mph)
G. Location of Maximum Flight Level Wind Inbound: 10 nautical miles (12 statute miles) to the SE (140°) of center fix
H. Minimum Sea Level Pressure: 953mb (28.15 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 13°C (55°F) at a pressure alt. of 3,061m (10,043ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 17°C (63°F) at a pressure alt. of 3,046m (9,993ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 10°C (50°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 11 nautical miles (13 statute miles)
N. Fix Determined By: Penetration, Radar, Wind and Pressure
N. Fix Level: 700mb
O. Navigational Fix Accuracy: 0.02 nautical miles
O. Meteorological Accuracy: 0.75 nautical miles

Remarks Section:
Maximum Flight Level Wind: 96kts (~ 110.5mph) which was observed 17 nautical miles (20 statute miles) to the ESE (116°) from the flight level center at 8:46:30Z
Dropsonde Surface Wind at Center: From 155° at 16kts (From the SSE at 18mph)
Maximum Flight Level Temp: 17°C (63°F) which was observed 2 nautical miles to the N (360°) from the flight level center
24
In this thread:
5am CDT Friday Position Estimate: 105mph; 958mb; NW at 10mph - Chris in Tampa, 8/25/2017, 6:02 am
  • 4:56am CDT Friday Vortex Message: 953mb, 16kts of surface wind - Chris in Tampa, 8/25/2017, 6:24 am
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