Some more images
Posted by Chris in Tampa on 9/12/2023, 4:19 am
Through 2:41am EDT:  Recon through 3:01 am EDT. With 11pm EDT NHC track. Red "3" icon behind the vortex icon is the 2am EDT best track. Other lines are NHC model data, early cycle models at 6Z. Late cycle at 0Z. (excludes climatology and simple extrapolation)   Through 3:11am EDT:   Recon through 3:31am EDT. 11pm EDT NHC track. Previous best track positions and previous track also included. (icon for 2am EDT best track position not included at the end of the previous track line)  Through 3:31am EDT:  Through 3:51am EDT:  URNT12 KNHC 120751 VORTEX DATA MESSAGE AL132023 A. 12/07:31:00Z B. 23.96 deg N 065.26 deg W C. 700 mb 2663 m D. 948 mb E. NA [b]F. CLOSED G. CO55-80[/b] H. 83 kt I. 309 deg 26 nm 07:23:30Z J. 039 deg 103 kt K. 309 deg 29 nm 07:22:30Z L. 82 kt M. 132 deg 23 nm 07:38:00Z N. 221 deg 106 kt O. 132 deg 29 nm 07:40:00Z P. 11 C / 3048 m Q. 16 C / 3048 m R. 15 C / NA S. 12345 / 7 T. 0.02 / 3 nm U. AF304 1913A LEE OB 10 MAX FL WIND 112 KT 048 / 29 NM 05:48:30Z Product: Air Force Vortex Message (URNT12 KNHC) Transmitted: 12th day of the month at 7:51Z Agency: United States Air Force Aircraft: Lockheed WC-130J Hercules with reg. number AF97-5304 Storm Name: Lee Storm Number & Year: 13 in 2023 (flight in the North Atlantic basin) Mission Number: 19 Observation Number: 10 A. Time of Center Fix: 12th day of the month at 7:31:00Z B. Center Fix Coordinates: 23.96N 65.26W B. Center Fix Location: 388 statute miles (624 km) to the N (8°) from San Juan, Puerto Rico (U.S.). C. Minimum Height at Standard Level: 2,663m (8,737ft) at 700mb D. Minimum Sea Level Pressure: 948mb (28.00 inHg) E. Dropsonde Surface Wind at Center (Undecoded): NA [b]F. Eye Character: Closed G. Eye Shape: Concentric (has an inner and outer eye) G. Inner Eye Diameter: 55 nautical miles (63 statute miles) G. Outer Eye Diameter: 80 nautical miles (92 statute miles)[/b] H. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 83kts (95.5mph) I. Location & Time of the Estimated Maximum Surface Wind Inbound: 26 nautical miles (30 statute miles) to the NW (309°) of center fix at 7:23:30Z J. Maximum Flight Level Wind Inbound: From 39° at 103kts (From the NE at 118.5mph) K. Location & Time of the Maximum Flight Level Wind Inbound: 29 nautical miles (33 statute miles) to the NW (309°) of center fix at 7:22:30Z L. Estimated (by SFMR or visually) Maximum Surface Wind Outbound: 82kts (94.4mph) M. Location & Time of the Estimated Maximum Surface Wind Outbound: 23 nautical miles (26 statute miles) to the SE (132°) of center fix at 7:38:00Z N. Maximum Flight Level Wind Outbound: From 221° at 106kts (From the SW at 122.0mph) O. Location & Time of the Maximum Flight Level Wind Outbound: 29 nautical miles (33 statute miles) to the SE (132°) of center fix at 7:40:00Z P. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 11°C (52°F) at a pressure alt. of 3,048m (10,000ft) Q. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 16°C (61°F) at a pressure alt. of 3,048m (10,000ft) 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 Level: 700mb T. Navigational Fix Accuracy: 0.02 nautical miles T. Meteorological Accuracy: 3 nautical miles Remarks Section: Maximum Flight Level Wind: 112kts (~ 128.9mph) which was observed 29 nautical miles (33 statute miles) to the NE (48°) from the flight level center at 5:48:30Z General Note About Vortex Messages: - SFMR and flight level 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.) Final image. Recon through 4:01am EDT. 0Z Euro (ECMO) and 0Z GFS (AVNO) through 5 days. 11pm EDT NHC track. (white line)  |
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In this thread:
5pm AST Monday (Sep. 11th) on Lee: 115mph; 948mb; WNW at 7mph - Chris in Tampa, 9/11/2023, 5:36 pm
- 1:44am EDT Tuesday sonde: 948mb, with 5 knots of surface wind - Chris in Tampa, 9/12/2023, 2:20 am
- More images from that pass - Chris in Tampa, 9/12/2023, 2:42 am
- One final image; NOAA G-IV mission in progress - Chris in Tampa, 9/12/2023, 4:35 am
- More images from that pass - Chris in Tampa, 9/12/2023, 2:42 am
- 11pm AST Monday NHC discussion - Chris in Tampa, 9/11/2023, 11:12 pm
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