cieldumort
(Moderator)
Wed Jun 21 2023 05:50 PM
Re: Unusual June Activity

Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 21st day of the month at 17:37Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5305
Storm Name: Bret
Storm Number & Year: 03 in 2023 (flight in the North Atlantic basin)
Mission Number: 1
Observation Number: 06

A. Time of Center Fix: 21st day of the month at 16:55:20Z
B. Center Fix Coordinates: 13.21N 53.12W
B. Center Fix Location: 436 statute miles (702 km) to the E (89°) from Bridgetown, Barbados.
C. Minimum Height at Standard Level: 1,436m (4,711ft) at 850mb
D. Minimum Sea Level Pressure: 1001mb (29.56 inHg)
E. Dropsonde Surface Wind at Center: From 200° at 2kts (From the SSW at 2mph)
F. Eye Character: Not Available
G. Eye Shape: Not Available
H. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 53kts (61.0mph)
I. Location & Time of the Estimated Maximum Surface Wind Inbound: 13 nautical miles (15 statute miles) to the NNW (335°) of center fix at 16:51:00Z
J. Maximum Flight Level Wind Inbound: From 79° at 59kts (From between the ENE and E at 67.9mph)
K. Location & Time of the Maximum Flight Level Wind Inbound: 68 nautical miles (78 statute miles) to the NW (322°) of center fix at 16:31:30Z
L. Estimated (by SFMR or visually) Maximum Surface Wind Outbound: 36kts (41.4mph)
M. Location & Time of the Estimated Maximum Surface Wind Outbound: 7 nautical miles to the SSE (155°) of center fix at 16:58:00Z
N. Maximum Flight Level Wind Outbound: From 197° at 42kts (From the SSW at 48.3mph)
O. Location & Time of the Maximum Flight Level Wind Outbound: 37 nautical miles (43 statute miles) to the SE (137°) of center fix at 17:08:00Z
P. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 17°C (63°F) at a pressure alt. of 1,525m (5,003ft)
Q. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 22°C (72°F) at a pressure alt. of 1,525m (5,003ft)
R. Dewpoint Temp (collected at same location as temp inside eye): 15°C (59°F)
R. Sea Surface Temp (collected at same location as temp inside eye): Not Available
S. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature
S. Fix Levels (surface & flight level centers within 5nm of each other): Surface and 850mb
T. Navigational Fix Accuracy: 0.02 nautical miles
T. Meteorological Accuracy: 3 nautical miles

Remarks Section:

Maximum Flight Level Wind: 59kts (~ 67.9mph) which was observed 68 nautical miles (78 statute miles) to the NW (322°) from the flight level center at 16:31:30Z



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