SUPPLEMENTARY NOTES ON WEATHER CONDITIONS BETWEEN 5 P.M., APRIL 3, AND 1 A.M., APRIL 4, 1933

NEWARK, N.J.

Light rain began 10:22 p.m., changing to moderate at 11:30 p.m.

Mild thunderstorm from the west-southwest began 11 p.m.; ended 12:20 a.m., passing to the east.

A pilot flying an air mail plane for the Eastern Air Transport left Newark for Richmond at 9:40 p.m. The ceiling (height of cloud base) at that time was 500 feet. The pilot climbed to the top of the clouds, 2,000 feet, and found flying conditions smooth at that altitude. The thickness of the cloud layer increased near Trenton and the pilot was unable to reach the top of it at 5,000 feet. At that height the air was very turbulent, but not dangerously so. Some ice formed on the plane. Lightning flashes flickered through the clouds incessantly, and heavy rain fell. This condition continued until Camden was reached about 10:54 p.m.

Also

The Transcontinental and Western Air canceled their 11 p.m. flight to Pittsburgh because of thunderstorm conditions between Newark and Camden. the United Air Lines canceled their midnight flight to Cleveland because of weather conditions.

TRENTON, N.J.

Thunderstorm: First thunder heard 9:55 p.m. and continued past midnight. Storm came from the west and was general.

Rain began 9:35 p.m., became heavy at 10:22 p.m. and continued to 11:50 p.m.

PHILADELPHIA, PA.

Several reports of thunder heard to southwest and south of station between 9:49 and 11:52 2 p.m. A sharp peal heard at 9:58 p.m. from the southwest. Rain began 9:16 p.m. and was heavy from 9:45 to 11:25 p.m.

ATLANTIC CITY, N.J

Light fog began 6:45 p.m. and continued to midnight.

Thunderstorm: First thunder heard 10:14 p.m. Storm came from south. Frequent flashes of lightning in south and west.

Rain began 10:13 p.m. Heavy from 11:14 to 11:35 p.m.
Barometer fluctuating from 10:15 p.m. to past midnight.

BALTIMORE, Md.

Thunderstorm approached quickly, moving from southwest to northwest; first thunder heard 8:05 p.m., last thunder heard 10 p.m. Distant lightning was first discernible in far southwest at 7:50 p.m.

Heavy rain 9:30 to 10 p.m.

WASHINGTON, d.c.

Thunderstorm from northwest: First thunder heard 7:35 p.m.; last thunder 9:31 p.m.

Rain began 6:25 p.m. and ended 10 p.m.; was moderately heavy 8:35 to 9:30 p.m. Light rain began again 11:20 p.m. and continued past midnight.

EXHIBIT A

[Coded weather reports broadcast from the United States Weather Bureau, Washington, D.C., through United States Navy radio station NAA, on April 3, 1933, beginning at 2005 G.M.T., (8:05 p.m., E.S.T.) and ending at 2131 G.M.T. (9:31 p.m., É.S.T.):}

UPPER AIR REPORTS

Phoenix rake two racing revily racoon revily racing recently tugger railway nine.
Orleans savior one sepoy saloon robert ribandry rollboy tundish ribbonry eight.
Davenport racing one roadlorry ridlory turbany savior consort turbany seven.
Atlanta saloon two ribbing rowboat nibbing nesbit tudicky carrying eight.
Reno bacca four silence solon saliency seabate turio sambo eight.
Havre ribandry two ridently roduby turbid chauson turbid six.