8:30pm CDT Vortex: 991mb
Posted by Chris in Tampa on 5/27/2018, 9:45 pm
000
URNT12 KNHC 280140
VORTEX DATA MESSAGE   AL012018
A. 28/01:30:40Z
B. 28 deg 10 min N
 085 deg 51 min W
C. 850 mb 1340 m
D. 46 kt
E. 035 deg 33 nm
F. 128 deg 64 kt
G. 037 deg 40 nm
H. 991 mb
I. 15 C / 1525 m
J. 19 C / 1523 m
K. NA / NA
L. NA
M. NA
N. 1345 / 08
O. 0.02 / 4 nm
P. AF306 0501A ALBERTO            OB 14
MAX FL WIND 64 KT 037 / 40 NM 01:18:00Z
CNTR DROPSONDE SFC WIND 095 / 2 KT





Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 28th day of the month at 1:40Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5306
Storm Number & Year: 01 in 2018
Storm Name: Alberto (flight in the North Atlantic basin)
Mission Number: 5
Observation Number: 14

A. Time of Center Fix: 28th day of the month at 1:30:40Z
B. Center Fix Coordinates: 28°10'N 85°51'W (28.1667N 85.8500W)
B. Center Fix Location: 139 statute miles (224 km) to the S (185°) from Panama City, FL, USA.
C. Minimum Height at Standard Level: 1,340m (4,396ft) at 850mb
D. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 46kts (52.9mph)
E. Location of the Estimated Maximum Surface Wind Inbound: 33 nautical miles (38 statute miles) to the NE (35°) of center fix
F. Maximum Flight Level Wind Inbound: From 128° at 64kts (From the SE at 73.6mph)
G. Location of the Maximum Flight Level Wind Inbound: 40 nautical miles (46 statute miles) to the NE (37°) of center fix
H. Minimum Sea Level Pressure: 991mb (29.27 inHg)
I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 15°C (59°F) at a pressure alt. of 1,525m (5,003ft)
J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 19°C (66°F) at a pressure alt. of 1,523m (4,997ft)
K. Dewpoint Temp & Sea Surface Temp: Not Available
L. Eye Character: Not Available
M. Eye Shape: Not Available
N. Fix Determined By: Penetration, Wind, Pressure and Temperature
N. Fix Levels (surface & flight level centers within 5nm of each other): Surface and 850mb
O. Navigational Fix Accuracy: 0.02 nautical miles
O. Meteorological Accuracy: 4 nautical miles

Remarks Section:

Maximum Flight Level Wind: 64kts (73.6mph) which was observed 40 nautical miles (46 statute miles) to the NE (37°) from the flight level center at 1:18:00Z
Dropsonde Surface Wind at Center: From 95° at 2kts (From the E at 2mph)

General Note About Vortex Messages:
- Reported winds are usually averaged over a 10 second period. (The National Hurricane Center's advisory wind speeds are the highest expected winds averaged over a 1 minute period.)
95
In this thread:
Alberto at 7pm CDT Sunday: 65mph; 991mb; NW at 12mph - Chris in Tampa, 5/27/2018, 9:08 pm
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