cieldumort
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Loc: Austin, Tx
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Re: Major Update: Idalia & Franklin
Tue Aug 29 2023 04:54 PM
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Relatively cool and moist eye at the moment, but pressure is still lower than earlier, with the winds a bit stronger. It should be noted that these winds are from the NW and SE quadrants, recon having not yet sampled what are probably even stronger winds in the Right Front Quadrant (NE).
Worth noting that there may be a little bit of increased shear over Idalia this afternoon. However, this is expected to drop again tonight, along with increased instability from the atmosphere cooling while the ocean remains exceptionally warm.
Product: Air Force Vortex Message (URNT12 KNHC)
Transmitted: 29th day of the month at 20:26Z
Agency: United States Air Force
Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5304
Storm Name: Idalia
Storm Number & Year: 10 in 2023 (flight in the North Atlantic basin)
Mission Number: 11
Observation Number: 04
A. Time of Center Fix: 29th day of the month at 20:21:40Z
B. Center Fix Coordinates: 25.91N 84.82W
B. Center Fix Location: 190 statute miles (306 km) to the WSW (255°) from Fort Myers, FL, USA.
C. Minimum Height at Standard Level: 2,879m (9,446ft) at 700mb
D. Minimum Sea Level Pressure: 972mb (28.71 inHg)
E. Dropsonde Surface Wind at Center: From 205° at 5kts (From the SSW at 6mph)
F. Eye Character: Open in the northwest
G. Eye Shape & Diameter: Circular with a diameter of 25 nautical miles (29 statute miles)
H. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 63kts (72.5mph)
I. Location & Time of the Estimated Maximum Surface Wind Inbound: 5 nautical miles to the NW (312°) of center fix at 20:20:00Z
J. Maximum Flight Level Wind Inbound: From 34° at 53kts (From between the NNE and NE at 61.0mph)
K. Location & Time of the Maximum Flight Level Wind Inbound: 5 nautical miles to the NW (312°) of center fix at 20:20:00Z
L. Estimated (by SFMR or visually) Maximum Surface Wind Outbound: 69kts (79.4mph)
M. Location & Time of the Estimated Maximum Surface Wind Outbound: 14 nautical miles (16 statute miles) to the SE (136°) of center fix at 20:25:30Z
N. Maximum Flight Level Wind Outbound: From 237° at 91kts (From the WSW at 104.7mph)
O. Location & Time of the Maximum Flight Level Wind Outbound: 18 nautical miles (21 statute miles) to the SE (135°) of center fix at 20:26:30Z
P. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 14°C (57°F) at a pressure alt. of 3,067m (10,062ft)
Q. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 15°C (59°F) at a pressure alt. of 3,068m (10,066ft)
R. Dewpoint Temp (collected at same location as temp inside eye): 14°C (57°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 700mb
T. Navigational Fix Accuracy: 0.02 nautical miles
T. Meteorological Accuracy: 1 nautical mile
Remarks Section:
Maximum Flight Level Wind: 91kts (~ 104.7mph) which was observed 18 nautical miles (21 statute miles) to the SE (135°) from the flight level center at 20:26:30Z
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