939mb vortex
Posted by
Chris in Tampa on 10/6/2016, 10:00 am
URNT12 KNHC 061353
VORTEX DATA MESSAGE AL142016
A. 06/13:40:10Z
B. 24 deg 51 min N
077 deg 42 min W
C. 700 mb 2578 m
D. 98 kt
E. 251 deg 6 nm
F. 343 deg 91 kt
G. 255 deg 8 nm
H. 939 mb
I. 14 C / 3048 m
J. 19 C / 3050 m
K. NA / NA
L. OPEN SW-S
M. C16
N. 12345 / 7
O. 0.02 / 2 nm
P. AF307 2714A MATTHEW OB 27
MAX OUTBOUND AND MAX FL WIND 125 KT 343 / 11 NM 13:45:30Z
CNTR DROPSONDE SFC WIND 205 / 13 KT
Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 6th day of the month at 13:53Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF98-5307
Storm Number & Year: 14 in 2016
Storm Name: Matthew (flight in the North Atlantic basin)
Mission Number: 27
Observation Number: 27
A. Time of Center Fix: 6th day of the month at 13:40:10Z
B. Center Fix Coordinates: 24°51'N 77°42'W (24.85N 77.7W)
B. Center Fix Location: 26 statute miles (41 km) to the WSW (238°) from Nassau, Bahamas.
C. Minimum Height at Standard Level: 2,578m (8,458ft) at 700mb
D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 98kts (~ 112.8mph)
E. Location of the Estimated Maximum Surface Wind Inbound: 6 nautical miles (7 statute miles) to the WSW (251°) of center fix
F. Maximum Flight Level Wind Inbound: From 343° at 91kts (From the NNW at ~ 104.7mph)
G. Location of Maximum Flight Level Wind Inbound: 8 nautical miles (9 statute miles) to the WSW (255°) of center fix
H. Minimum Sea Level Pressure: 939mb (27.73 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 14°C (57°F) at a pressure alt. of 3,048m (10,000ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 19°C (66°F) at a pressure alt. of 3,050m (10,007ft)
K. Dewpoint Temp & Sea Surface Temp (collected at same location as temp inside eye): Not Available
L. Eye Character: Open from the southwest to the south, SW-S
M. Eye Shape & Diameter: Circular with a diameter of 16 nautical miles (18 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: 2 nautical miles
Remarks Section:
Maximum Outbound and Flight Level Wind: 125kts (~ 143.8mph) which was observed 11 nautical miles (13 statute miles) to the NNW (343°) from the flight level center at 13:45:30Z
Dropsonde Surface Wind at Center: From 205° at 13kts (From the SSW at 15mph) |
189
In this thread:
Matthew at 8am EDT Thursday: 125mph; 940mb; NW at 12 mph -
Chris in Tampa,
10/6/2016, 7:50 am- 9:44am EDT splash by sonde: 939mb, 13 knots of surface wind (n/t) - Chris in Tampa, 10/6/2016, 9:58 am
- 939mb vortex - Chris in Tampa, 10/6/2016, 10:00 am
- Re: Matthew at 8am EDT Thursday: 125mph; 940mb; NW at 12 mph - DTB_2009, 10/6/2016, 9:48 am
- NHC Audio Podcast from 8 AM - cypresstx, 10/6/2016, 9:43 am
- 8:17am EDT: 153mph momentary wind 1mb above surface in eyewall as measured by sonde - Chris in Tampa, 10/6/2016, 8:50 am
- High Def Radar - tvsteve, 10/6/2016, 8:44 am
- SE Quadrant, 8:14am EDT, 125 mph SFMR - Chris in Tampa, 10/6/2016, 8:32 am
- Storm slice from about 7:20am EDT center pass when pressure was about 940mb - Chris in Tampa, 10/6/2016, 8:14 am
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