Re: 8pm EDT Monday: 140mph; NNE at 8 mph; 940mb (estimate)
Posted by Chris in Tampa on 10/3/2016, 8:29 pm
URNT12 KNHC 040007
VORTEX DATA MESSAGE   AL142016
A. 03/23:43:40Z
B. 16 deg 37 min N
 074 deg 39 min W
C. 700 mb 2536 m
D. 117 kt
E. 051 deg 13 nm
F. 145 deg 129 kt
G. 053 deg 19 nm
H. 934 mb
I. 10 C / 3048 m
J. 16 C / 3046 m
K. 15 C / NA
L. OPEN SW
M. E12/26/15
N. 1234 / 7
O. 0.02 / 2 nm
P. AF306 1814A MATTHEW            OB 04
MAX FL WIND 129 KT 053 / 19 NM 23:37:30Z
CNTR DROPSONDE SFC WIND 255 / 4 KT
MAX FL TEMP 18 C 225 / 8 NM FROM FL CNTR
RAGGED EYEWALL WITH KYDNEY SHAPED EYE



Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 4th day of the month at 0:07Z
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: 04
A. Time of Center Fix: 3rd day of the month at 23:43:40Z
B. Center Fix Coordinates: 16°37'N 74°39'W (16.6167N 74.65W)
B. Center Fix Location: 172 statute miles (278 km) to the SE (124°) from Kingston, Jamaica.
C. Minimum Height at Standard Level: 2,536m (8,320ft) at 700mb
D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 117kts (~ 134.6mph)
E. Location of the Estimated Maximum Surface Wind Inbound: 13 nautical miles (15 statute miles) to the NE (51°) of center fix
F. Maximum Flight Level Wind Inbound: From 145° at 129kts (From the SE at ~ 148.5mph)
G. Location of Maximum Flight Level Wind Inbound: 19 nautical miles (22 statute miles) to the NE (53°) of center fix
H. Minimum Sea Level Pressure: 934mb (27.58 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 10°C (50°F) at a pressure alt. of 3,048m (10,000ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 16°C (61°F) at a pressure alt. of 3,046m (9,993ft)
K. Dewpoint Temp (collected at same location as temp inside eye): 15°C (59°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: Elliptical (oval shaped)
M. Orientation of Major Axis in Elliptical Eye: 120° to 300° (ESE to WNW)
M. Length of Major Axis in Elliptical Eye: 26 nautical miles (30 statute miles)
M. Length of Minor Axis in Elliptical Eye: 15 nautical miles (17 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: 2 nautical miles

Remarks Section - Remarks That Were Decoded...
Maximum Flight Level Wind: 129kts (~ 148.5mph) which was observed 19 nautical miles (22 statute miles) to the NE (53°) from the flight level center at 23:37:30Z
Dropsonde Surface Wind at Center: From 255° at 4kts (From the WSW at 5mph)
Maximum Flight Level Temp: 18°C (64°F) which was observed 8 nautical miles to the SW (225°) from the flight level center

Remarks Section - Additional Remarks...
RAGGED EYEWALL WITH KYDNEY SHAPED EYE



Sonde on the way down had a momentary wind of 192mph.
http://hurricanecity.com/recon/recon.cgi?basin=al&year=2016&product=sonde&storm=Matthew&mission=18&agency=AF&ob=10-03-2339-06-954-167-90

The highest wind recorded by a sonde on the way down in this storm was 197mph when it became a category 5.
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8pm EDT Monday: 140mph; NNE at 8 mph; 940mb (estimate) - Chris in Tampa, 10/3/2016, 8:07 pm
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