#949 Postby timmeister » Sat Aug 25, 2012 2:43 pm
Product: Air Force Temp Drop (Dropsonde) Message (UZNT13 KNHC)
Transmitted: 25th day of the month at 19:33Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 303)
Storm Number: 09
Storm Name: Isaac (flight in the North Atlantic basin)
Mission Number: 16
Observation Number: 05
Part A...
Date: Near the closest hour of 19Z on the 25th day of the month
Highest Mandatory Level For Which Wind Was Reported: 850mb
Coordinates: 21.5N 75.9W
Location: 102 miles (164 km) to the N (357°) from Santiago de Cuba, Cuba.
Marsden Square: 080 (About)
Level Geo. Height Air Temp. Dew Point Wind Direction Wind Speed
1001mb (29.56 inHg) Sea Level (Surface) 26.4°C (79.5°F) 24.5°C (76.1°F) 75° (from the ENE) 39 knots (45 mph)
1000mb 6m (20 ft) 26.4°C (79.5°F) 24.5°C (76.1°F) 75° (from the ENE) 38 knots (44 mph)
925mb 691m (2,267 ft) 21.2°C (70.2°F) 21.1°C (70.0°F) 85° (from the E) 45 knots (52 mph)
850mb 1,423m (4,669 ft) 17.8°C (64.0°F) 17.6°C (63.7°F) 95° (from the E) 41 knots (47 mph)
Information About Radiosonde:
- Launch Time: 19:21Z
- About Sonde: A descending radiosonde tracked automatically by satellite navigation with no solar or infrared correction.
Remarks Section...
Splash Location: 21.46N 75.9W
Splash Time: 19:23Z
Release Location: 21.46N 75.87W
Release Time: 19:21:14Z
Mean Boundary Level Wind (mean wind in the lowest 500 geopotential meters of the sounding):
- Wind Direction: 80° (from the E)
- Wind Speed: 42 knots (48 mph)
Deep Layer Mean Wind (average wind over the depth of the sounding):
- Wind Direction: 85° (from the E)
- Wind Speed: 43 knots (49 mph)
- Depth of Sounding: From 843mb to 1000mb
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: 75° (from the ENE)
- Wind Speed: 40 knots (46 mph)
Sounding Software Version: AEV 20802
Part B: Data For Significant Levels...
Significant Temperature And Relative Humidity Levels...
Level Air Temperature Dew Point
1001mb (Surface) 26.4°C (79.5°F) 24.5°C (76.1°F)
850mb 17.8°C (64.0°F) 17.6°C (63.7°F)
843mb 17.0°C (62.6°F) 17.0°C (62.6°F)
Significant Wind Levels...
Level Wind Direction Wind Speed
1001mb (Surface) 75° (from the ENE) 39 knots (45 mph)
983mb 75° (from the ENE) 44 knots (51 mph)
962mb 85° (from the E) 40 knots (46 mph)
955mb 85° (from the E) 43 knots (49 mph)
936mb 85° (from the E) 43 knots (49 mph)
900mb 90° (from the E) 49 knots (56 mph)
855mb 95° (from the E) 42 knots (48 mph)
843mb 95° (from the E) 39 knots (45 mph)
Winds at a particular level are peak winds since a dropsonde only records momentary slices of data at each level as it falls through the atmosphere. These winds are not 1 minute sustained. The highest wind observed in the "Significant Wind Levels" section is noted in bold.
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