Eyewall Delta T = 4C Theta-E = 366K 992mb Product: Air Force Vortex Message (URNT12 KNHC) Transmitted: 30th day of the month at 16:56Z Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 300) Storm Number & Year: 21L in 2010 Storm Name: Tomas (flight in the North Atlantic basin) Mission Number: 2 Observation Number: 26 A. Time of Center Fix: 30th day of the month at 16:29:50Z B. Center Fix Coordinates: 13°09'N 60°46'W (13.15N 60.7667W) B. Center Fix Location: 34 miles (54 km) to the E (96°) from Kingstown, Saint Vincent and the Grenadines. C. Minimum Height at Standard Level: 3,025m (9,925ft) at 700mb D. Estimated (by SFMR or visually) Maximum Surface Wind: 54kts (~ 62.1mph) E. Location of the Estimated Maximum Surface Wind: 33 nautical miles (38 statute miles) to the WNW (299°) of center fix F. Maximum Flight Level Wind Inbound: From 360° at 58kts (From the N at ~ 66.7mph) G. Location of Maximum Flight Level Wind Inbound: 42 nautical miles (48 statute miles) to the WNW (295°) of center fix H. Minimum Sea Level Pressure: 992mb (29.29 inHg) I. Maximum Flight Level Temp & Pressure Altitude Outside Eye: 9°C (48°F) at a pressure alt. of 3,051m (10,010ft) J. Maximum Flight Level Temp & Pressure Altitude Inside Eye: 13°C (55°F) at a pressure alt. of 3,043m (9,984ft) K. Dewpoint Temp (collected at same location as temp inside eye): 2°C (36°F) K. Sea Surface Temp (collected at same location as temp inside eye): Not Available L. Eye Character (Undecoded): RAGGED BANDING M. Eye Shape & Diameter: Circular with a diameter of 40 nautical miles (46 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: 1 nautical mile Remarks Section - Remarks That Were Decoded... Maximum Flight Level Wind: 67kts (~ 77.1mph) in the north quadrant at 14:16:50Z Remarks Section - Additional Remarks... RADAR STRONG BAND SOUTH SEMI-CIRCLE RAGGED APPEARANCE OVERALL LAST REPORT Product: Air Force Temp Drop (Dropsonde) Message (UZNT13 KNHC) Transmitted: 30th day of the month at 16:44Z Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 300) Storm Number: 21 Storm Name: Tomas (flight in the North Atlantic basin) Mission Number: 2 Observation Number: 25 Part A... Date: Near the closest hour of 17Z on the 30th day of the month Highest Mandatory Level For Which Wind Was Reported: 700mb Coordinates: 13.1N 60.8W Location: 32 miles (52 km) to the ESE (103°) from Kingstown, Saint Vincent and the Grenadines. Marsden Square: 043 Sea Level - Pressure: 992mb (29.29 inHg) - Air Temperature: 27.4°C (81.3°F) - Dew Point: 26.1°C (79.0°F) - Wind Direction: 100° (from the E) - Wind Speed: 14 knots (16 mph) 1000mb Level - Height of pressure level: -73 geopotential meters (-240 geo. feet) 925mb Level - Height of pressure level: 618 geopotential meters (2,028 geo. feet) - Air Temperature: 24.6°C (76.3°F) - Dew Point: 22.7°C (72.9°F) - Wind Direction: 110° (from the ESE) - Wind Speed: 5 knots (6 mph) 850mb Level - Height of pressure level: 1,360 geopotential meters (4,462 geo. feet) - Air Temperature: 22.4°C (72.3°F) - Dew Point: Approximately 17°C (63°F) - Wind Direction: 105° (from the ESE) - Wind Speed: 5 knots (6 mph) 700mb Level - Height of pressure level: 3,027 geopotential meters (9,931 geo. feet) - Air Temperature: 13.4°C (56.1°F) - Dew Point: Approximately 3°C (37°F) - Wind Direction: 295° (from the WNW) - Wind Speed: 5 knots (6 mph) Information About Radiosonde: - Launch Time: 16:30Z - 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: 13.13N 60.76W Splash Time: 16:33Z Release Location: 13.12N 60.76W Release Time: 16:30:06Z Splash Location: 13.13N 60.76W Splash Time: 16:33:08Z Mean Boundary Level Wind (mean wind in the lowest 500 geopotential meters of the sounding): - Wind Direction: 105° (from the ESE) - Wind Speed: 7 knots (8 mph) Deep Layer Mean Wind (average wind over the depth of the sounding): - Wind Direction: 115° (from the ESE) - Wind Speed: 4 knots (5 mph) - Depth of Sounding: From 697mb to 991mb Average Wind Over Lowest Available 150 geopotential meters (gpm) of the sounding: - Lowest 150m: 156 gpm - 6 gpm (512 geo. feet - 20 geo. feet) - Wind Direction: 105° (from the ESE) - Wind Speed: 9 knots (10 mph) Sounding Software Version: AEV 20801 Part B: Data For Significant Levels... Significant Temperature And Relative Humidity Levels... 992mb Level (Surface) - Air Temperature: 27.4°C (81.3°F) - Dew Point: 26.1°C (79.0°F) 895mb Level - Air Temperature: 23.4°C (74.1°F) - Dew Point: 21.7°C (71.1°F) 850mb Level - Air Temperature: 22.4°C (72.3°F) - Dew Point: Approximately 17°C (63°F) 728mb Level - Air Temperature: 14.8°C (58.6°F) - Dew Point: 13.6°C (56.5°F) 697mb Level - Air Temperature: 13.0°C (55.4°F) - Dew Point: Approximately 2°C (36°F) Significant Wind Levels... 992mb Level (Surface) - Wind Direction: 100° (from the E) - Wind Speed: 14 knots (16 mph) 990mb Level - Wind Direction: 100° (from the E) - Wind Speed: 16 knots (18 mph) 981mb Level - Wind Direction: 105° (from the ESE) - Wind Speed: 7 knots (8 mph) 953mb Level - Wind Direction: 90° (from the E) - Wind Speed: 8 knots (9 mph) 944mb Level - Wind Direction: 105° (from the ESE) - Wind Speed: 4 knots (5 mph) 933mb Level - Wind Direction: 130° (from the SE) - Wind Speed: 8 knots (9 mph) 917mb Level - Wind Direction: 100° (from the E) - Wind Speed: 4 knots (5 mph) 876mb Level - Wind Direction: 125° (from the SE) - Wind Speed: 5 knots (6 mph) 864mb Level - Wind Direction: 150° (from the SSE) - Wind Speed: 9 knots (10 mph) 850mb Level - Wind Direction: 105° (from the ESE) - Wind Speed: 5 knots (6 mph) 697mb Level - Wind Direction: 295° (from the WNW) - Wind Speed: 6 knots (7 mph) |