| 985mb Eyewall Delta-T = 11C Eye Theta-e = 360K Product: Air Force Vortex Message (URNT12 KNHC) Transmitted: 31st day of the month at 08:13Z Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 309) Storm Number & Year: 21L in 2010 Storm Name: Tomas (flight in the North Atlantic basin) Mission Number: 3 Observation Number: 14 A. Time of Center Fix: 31st day of the month at 7:49:50Z B. Center Fix Coordinates: 13°54'N 62°49'W (13.9N 62.8167W) (View map) B. Center Fix Location: 115 miles (185 km) to the WNW (295°) from Kingstown, Saint Vincent and the Grenadines. C. Minimum Height at Standard Level: 2,984m (9,790ft) at 700mb D. Estimated (by SFMR or visually) Maximum Surface Wind: 70kts (~ 80.6mph) E. Location of the Estimated Maximum Surface Wind: 7 nautical miles (8 statute miles) to the WSW (252°) of center fix F. Maximum Flight Level Wind Inbound: From 39° at 59kts (From the NE at ~ 67.9mph) G. Location of Maximum Flight Level Wind Inbound: 18 nautical miles (21 statute miles) to the W (268°) of center fix H. Minimum Sea Level Pressure: 985mb (29.09 inHg) I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 7°C (45°F) at a pressure alt. of 3,043m (9,984ft) J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 18°C (64°F) at a pressure alt. of 3,051m (10,010ft) K. Dewpoint Temp (collected at same location as temp inside eye): 10°C (50°F) K. Sea Surface Temp (collected at same location as temp inside eye): Not Available L. Eye Character: Open in the southeast M. Eye Shape & Diameter: Circular with a diameter of 22 nautical miles (25 statute miles) N. Fix Determined By: Penetration, Radar, Wind, Pressure and Temperature N. Fix Level: 700mb O. Navigation Fix Accuracy: 0.02 nautical miles O. Meteorological Accuracy: 2 nautical miles Remarks Section - Remarks That Were Decoded... Maximum Flight Level Wind: 97kts (~ 111.6mph) in the northeast quadrant at 5:35:00Z Maximum Flight Level Wind Outbound: 81kts (~ 93.2mph) in the north quadrant at 7:52:30Z Remarks Section - Additional Remarks... EYE WALL MORE RAGGED AND FRAGMENTED MODERATE TURBULENCE IN WESTERN AND NORTHERN EYEWALL Product: Air Force Temp Drop (Dropsonde) Message (UZNT13 KNHC) Transmitted: 31st day of the month at 08:10Z Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 309) Storm Number: 21 Storm Name: Tomas (flight in the North Atlantic basin) Mission Number: 3 Observation Number: 16 Part A... Date: Near the closest hour of 8Z on the 31st day of the month Highest Mandatory Level For Which Wind Was Reported: 700mb Coordinates: 13.9N 62.9W (View map) Location: 120 miles (193 km) to the WNW (294°) from Kingstown, Saint Vincent and the Grenadines. Marsden Square: 043 (About) Level Geo. Height Air Temp. Dew Point Wind Direction Wind Speed 985mb (29.09 inHg) Sea Level (Surface) 26.6°C (79.9°F) 24.5°C (76.1°F) 30° (from the NNE) 16 knots (18 mph) 1000mb -137m (-449 ft) Other data not available. 925mb 553m (1,814 ft) 23.0°C (73.4°F) 22.4°C (72.3°F) 45° (from the NE) 36 knots (41 mph) 850mb 1,298m (4,259 ft) 25.8°C (78.4°F) Approximately 16°C (61°F) 50° (from the NE) 21 knots (24 mph) 700mb 2,988m (9,803 ft) 17.2°C (63.0°F) Approximately 9°C (48°F) 355° (from the N) 6 knots (7 mph) Information About Radiosonde: - Launch Time: 7:49Z - About Sonde: A descending radiosonde tracked automatically by satellite navigation with no solar or infrared correction. Remarks Section... Dropsonde Location: Dropped in eye. Splash Location: 13.87N 62.86W Splash Time: 7:52Z Release Location: 13.88N 62.85W (View map) Release Time: 7:49:08Z Splash Location: 13.87N 62.86W (View map) Splash Time: 7:52:06Z Mean Boundary Level Wind (mean wind in the lowest 500 geopotential meters of the sounding): - Wind Direction: 40° (from the NE) - Wind Speed: 24 knots (28 mph) Deep Layer Mean Wind (average wind over the depth of the sounding): - Wind Direction: 35° (from the NE) - Wind Speed: 16 knots (18 mph) - Depth of Sounding: From 696mb to 984mb Average Wind Over Lowest Available 150 geopotential meters (gpm) of the sounding: - Lowest 150m: 159 gpm - 9 gpm (522 geo. feet - 30 geo. feet) - Wind Direction: 30° (from the NNE) - Wind Speed: 19 knots (22 mph) Sounding Software Version: AEV 20801 Part B: Data For Significant Levels... Significant Temperature And Relative Humidity Levels... Level Air Temperature Dew Point 985mb (Surface) 26.6°C (79.9°F) 24.5°C (76.1°F) 921mb 23.0°C (73.4°F) 22.1°C (71.8°F) 892mb 25.6°C (78.1°F) Approximately 19°C (66°F) 850mb 25.8°C (78.4°F) Approximately 16°C (61°F) 805mb 24.4°C (75.9°F) Approximately 12°C (54°F) 748mb 20.2°C (68.4°F) Approximately 10°C (50°F) 730mb 20.6°C (69.1°F) Approximately 8°C (46°F) 696mb 16.4°C (61.5°F) Approximately 8°C (46°F) Significant Wind Levels... Level Wind Direction Wind Speed 985mb (Surface) 30° (from the NNE) 16 knots (18 mph) 976mb 30° (from the NNE) 21 knots (24 mph) 965mb 40° (from the NE) 20 knots (23 mph) 929mb 50° (from the NE) 37 knots (43 mph) 917mb 35° (from the NE) 32 knots (37 mph) 901mb 35° (from the NE) 37 knots (43 mph) 881mb 30° (from the NNE) 29 knots (33 mph) 870mb 50° (from the NE) 22 knots (25 mph) 850mb 50° (from the NE) 21 knots (24 mph) 827mb 45° (from the NE) 10 knots (12 mph) 802mb 10° (from the N) 5 knots (6 mph) 696mb 355° (from the N) 5 knots (6 mph) |