#216 Postby artist » Wed Sep 29, 2010 11:45 am
Product: Air Force Temp Drop (Dropsonde) Message (UZNT13 KNHC)
Transmitted: 29th day of the month at 16:36Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 302)
Tropical Depression: Number 16 (flight in the North Atlantic basin)
Mission Number: 3
Observation Number: 16
Part A...
Date: Near the closest hour of 17Z on the 29th day of the month
Highest Mandatory Level For Which Wind Was Reported: 850mb
Coordinates: 24.4N 82.0W
Location: 17 miles (28 km) to the SW (231°) from Key West, FL, USA.
Marsden Square: 081 (About)
Level Geo. Height Air Temp. Dew Point Wind Direction Wind Speed
997mb (29.44 inHg) Sea Level (Surface) 26.4°C (79.5°F) 23.4°C (74.1°F) 10° (from the N) 9 knots (10 mph)
1000mb -27m (-89 ft) Other data not available.
925mb 658m (2,159 ft) 21.4°C (70.5°F) 19.9°C (67.8°F) 40° (from the NE) 13 knots (15 mph)
850mb 1,390m (4,560 ft) 18.0°C (64.4°F) 14.6°C (58.3°F) 15° (from the NNE) 9 knots (10 mph)
Information About Radiosonde:
- Launch Time: 16:31Z
- About Sonde: A descending radiosonde tracked automatically by satellite navigation with no solar or infrared correction.
Remarks Section...
Splash Location: 24.38N 82W
Splash Time: 16:33Z
Release Location: 24.38N 82W
Release Time: 16:31:20Z
Splash Location: 24.36N 82W
Splash Time: 16:32:40Z
Mean Boundary Level Wind (mean wind in the lowest 500 geopotential meters of the sounding):
- Wind Direction: 30° (from the NNE)
- Wind Speed: 11 knots (13 mph)
Deep Layer Mean Wind (average wind over the depth of the sounding):
- Wind Direction: 30° (from the NNE)
- Wind Speed: 11 knots (13 mph)
- Depth of Sounding: From 843mb to 996mb
Average Wind Over Lowest Available 150 geopotential meters (gpm) of the sounding:
- Lowest 150m: 158 gpm - 8 gpm (518 geo. feet - 26 geo. feet)
- Wind Direction: 25° (from the NNE)
- Wind Speed: 10 knots (12 mph)
Sounding Software Version: AEV 20801
Part B: Data For Significant Levels...
Significant Temperature And Relative Humidity Levels...
Level Air Temperature Dew Point
997mb (Surface) 26.4°C (79.5°F) 23.4°C (74.1°F)
934mb 21.8°C (71.2°F) 20.6°C (69.1°F)
850mb 18.0°C (64.4°F) 14.6°C (58.3°F)
843mb 17.4°C (63.3°F) 13.8°C (56.8°F)
Significant Wind Levels...
Level Wind Direction Wind Speed
997mb (Surface) 10° (from the N) 9 knots (10 mph)
969mb 40° (from the NE) 11 knots (13 mph)
912mb 35° (from the NE) 14 knots (16 mph)
880mb 15° (from the NNE) 9 knots (10 mph)
843mb 15° (from the NNE) 9 knots (10 mph)
The highest wind observed in the "Significant Wind Levels" section is noted in bold.
Last edited by
artist on Wed Sep 29, 2010 11:49 am, edited 1 time in total.
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