1:44am EDT Tuesday sonde: 948mb, with 5 knots of surface wind
Posted by Chris in Tampa on 9/12/2023, 2:20 am
| Northeast quadrant: Flight Level Wind (30 sec. Avg.): 127 mph Peak (10 sec. Avg.) Flight Level Wind: 129 mph SFMR Peak (10s Avg.) Sfc. Wind: 99 mph Southwest Quadrant (with higher SFMR): Flight Level Wind (30 sec. Avg.): 112 mph Peak (10 sec. Avg.) Flight Level Wind: 113 mph SFMR Peak (10s Avg.) Sfc. Wind: 102 mph As for eye, from vortex: 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) Through 1:51am EDT:   Through 2:01am EDT:  Product: Air Force Vortex Message (URNT12 KNHC) Transmitted: 12th day of the month at 6:09Z 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: 05 A. Time of Center Fix: 12th day of the month at 5:40:00Z B. Center Fix Coordinates: 23.88N 65.15W B. Center Fix Location: 383 statute miles (617 km) to the N (9°) from San Juan, Puerto Rico (U.S.). C. Minimum Height at Standard Level: 2,672m (8,766ft) at 700mb D. Minimum Sea Level Pressure: 948mb (28.00 inHg) E. Dropsonde Surface Wind at Center: From 95° at 5kts (From the E at 6mph) 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) H. Estimated (by SFMR or visually) Maximum Surface Wind Inbound: 89kts (102.4mph) I. Location & Time of the Estimated Maximum Surface Wind Inbound: 24 nautical miles (28 statute miles) to the WSW (237°) of center fix at 5:33:00Z J. Maximum Flight Level Wind Inbound: From 334° at 98kts (From the NNW at 112.8mph) K. Location & Time of the Maximum Flight Level Wind Inbound: 30 nautical miles (35 statute miles) to the WSW (242°) of center fix at 5:31:00Z L. Estimated (by SFMR or visually) Maximum Surface Wind Outbound: 86kts (99.0mph) M. Location & Time of the Estimated Maximum Surface Wind Outbound: 26 nautical miles (30 statute miles) to the NE (48°) of center fix at 5:47:30Z N. Maximum Flight Level Wind Outbound: From 135° at 112kts (From the SE at 128.9mph) O. Location & Time of the Maximum Flight Level Wind Outbound: 29 nautical miles (33 statute miles) to the NE (48°) of center fix at 5:48:30Z P. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 9°C (48°F) at a pressure alt. of 3,049m (10,003ft) Q. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 16°C (61°F) at a pressure alt. of 3,047m (9,997ft) R. Dewpoint Temp (collected at same location as temp inside eye): 16°C (61°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: 1.5 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 |
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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
- More images from that pass - Chris in Tampa, 9/12/2023, 2:42 am
- Some more images - Chris in Tampa, 9/12/2023, 4:19 am
- One final image; NOAA G-IV mission in progress - Chris in Tampa, 9/12/2023, 4:35 am
- Some more images - Chris in Tampa, 9/12/2023, 4:19 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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