Aviation Accident Report: TWA crash on 17 May 1940/Appendix A

by the Civil Aeronautics Board

APPENDIX A

 

The following United States Weather Bureau Sequence Reports (2:35 P.M.) were made a part of the clearance for the flight:

Kansas City, Missouri. C (Satisfactory for contact flight) ceiling estimated 6000 feet, overcast, lower scattered clouds at 1500 feet, visibility 7 miles, light rain showers, pressure 1015.2 millibars, temperature 57, dew point 54, wind ENE 9, altimeter setting 29.96.

Lebo, Kansas. Ceiling estimated 3500 feet, high overcast, lower broken clouds, visibility over 10 miles, pressure 1010.8 millibars, temperature 68, dew point 55, wind NE 9, altimeter setting 29.87.

Ft. Riley, Kansas. Ceiling estimated 6000 feet, overcast, visibility over 10 miles, pressure 1012.9 millibars, temperature 61, dew point 52, wind E 18, altimeter setting 29.89.

Cassoday, Kansas. Ceiling unlimited, high thin broken clouds, visibility over 10 miles, temperature 77, dew point 64, wind SE 15.

Wichita, Kansas. C (satisfactory for contact flight) ceiling estimated 2500 feet, high overcast, lower broken clouds, visibility over 10 miles, pressure 1007.8 millibars, temperature 80, dew point 64, wind SE 13, altimeter setting 29.78.

Anthony, Kansas. Ceiling estimated 6000 feet, high thin broken clouds, lower broken clouds, visibility over 10 miles, temperature 86, dew point 60, wind S 16.

Waynoka, Oklahoma. Ceiling unlimited, high thin overcast, lower scattered clouds at 4000 feet, visibility over 10 miles, pressure 1006.1 millibars, temperature 83, dew point 57, wind SSW 13, altimeter setting 29.75.

Gage, Oklahoma. Ceiling unlimited, high overcast, visibility over 10 miles, temperature 85, dew point 59, wind SSE 16.

Pampa, Texas. Ceiling unlimited, high thin broken clouds, lower scattered clouds at 5000 feet, visibility over 10 miles, pressure 1003.7 millibars, temperature 80, dew point 51, wind SSE 16, altimeter setting 29.76.

Amarillo, Texas. C (satisfactory for contact flight) ceiling unlimited, high thin scattered clouds, lower scattered clouds 5000 feet, visibility over 10 miles, pressure 1002.4 millibars, temperature 83, dew point 52, wind SSE 15, altimeter setting 29.75.

Tecumcari, New Mexico. Ceiling unlimited, high broken clouds, lower scattered clouds at 3000 feet, visibility over 10 miles, pressure 1003.1 millibars, temperature 80, dew point 50, wind SSW 5, altimeter setting 29.77. Light rain showers SE thunderheads all quadrants.

Anton Chico, New Mexico. Ceiling unlimited, high thin broken clouds, lower scattered clouds at 4000 feet, visibility over 10 miles, pressure 1001.7 millibars, temperature 68, dew point 46, wind WNW 26, strong gusts, altimeter setting 29.84.

Otto, New Mexico. Ceiling estimated 7000 feet, broken clouds, lower scattered clouds at 4000 feet, visibility over 10 miles, temperature 62, dew point 44, wind NW 33, strong gusts.

Albuquerque, New Mexico. C (satisfactory for contact flight) ceiling unlimited, high broken clouds, lower scattered clouds at 5000 feet, visibility over 10 miles, pressure 1009.5 millibars, temperature 61, dew point 51, wind N 12, pressure 30.00. Scattered clouds topping Sandias.