weather

1) UK Meteorological Office Daily Weather report
2) Met Office Daily Aerological Record
3) Met Office Isobar and Winds Charts
4) Bentwaters USAF Weather Report
5) Lakenheath USAF Weather Report

1800Z August 13	Felixstowe (elevation 16')	Gorleston (elevation 26')	Mildenhall (elevation 39')	W.Raynham (elevation 263')	Wittering (elevation 219')
Total cloud	5/8	7/8	5/8	3/8	2/8
Wind direct.	270° (true)	258¾°	247½°	247½°	258¾°
Wind speed	20 knots	11 knots	12 knots	14 knots	17 knots
Visibility	25 miles	7.5 miles	21 miles	34 miles	25 miles
Weather since noon	cloud covering more than ½ of the sky throughout	cloud covering more than ½ of the sky throughout	rain	cloud covering >½ of sky during part of period and <½ during part of period	cloud covering more than ½ of the sky throughout
Present weather	clouds generally dissolving or becoming less developed during past hour	state of sky on the whole unchanged during past hour	clouds generally dissolving or becoming less developed during past hour	clouds generally dissolving or becoming less developed during past hour	clouds generally dissolving or becoming less developed during past hour
Low cloud	cumulus 2800'	stratocumulus layer 2100'	stratocumulus 3000'	cumulus 4000'	stratocumulus /cumulus 4000'
Higher cloud	altostratus 10,000'	cirrus 25,000'	cirrus 25,000'	cirrus 25,000'	-
Dry bulb temp.	(+65°F) +18.3°C	(65°F) 18.3°C	(63°F) 17.2°C	(61°F) 16.1°C	(62°F) 16.7°C
Dewpoint temp.	(+53°F) +11.6°C	(50°F) 10°C	(47°F) 8.3°C	(45°F) 7.2°C	(44°F) 6.7°C
Last 3 figures of pressure (reduced to MSL) in mb & 1/10 mb	041	029	037	022	030
Characteristic of barometric tendency	increasing (steadily or unsteadily)	increasing (steadily or unsteadily)	increasing (steadily or unsteadily)	increasing (steadily or unsteadily)	increasing (steadily or unsteadily)
Change of pressure in last 3 hours, 1/10 mb	+21	+19	+18	+14	+13
Ground condition 2100Z	moist	moist	moist	dry	dry

Reports from surface met. stations at Felixstowe, Gorleston, Mildenhall, West Raynham and Wittering for 1800Z August 13 1956

0000Z August 14	Felixstowe (elevation 16')	Gorleston (elevation 26')	Mildenhall (elevation 39')	W.Raynham (elevation 263')	Wittering (elevation 219')
Total cloud	nil	nil	nil	nil	nil
Wind direct.	220°	247½°	225°	236¼°	247½°
Wind speed	10 knots	10 knots	10 knots	20 knots	14 knots
Visibility	12.5 miles	8.75 miles	18.25 miles	34 miles	18.25 miles
Weather since 1800Z	cloud covering ½ or less of the sky throughout the period	cloud covering ½ or less of the sky throughout the period	cloud covering ½ or less of the sky throughout the period	cloud covering ½ or less of the sky throughout the period	cloud covering ½ or less of the sky throughout the period
Present weather	state of sky on the whole unchanged during past hour	clouds generally dissolving or becoming less developed during past hour	state of sky on the whole unchanged during past hour	state of sky on the whole unchanged during past hour	state of sky on the whole unchanged during past hour
Low cloud	nil	nil	nil	nil	nil
Higher cloud	nil	nil	nil	nil	nil
Dry bulb temp	(+55°F) +12.7°C	(56°F) 13.3°C	(54°F) 12.2°C	(51°F) 10.5°C	(53°F) 11.7°C
Dewpoint temp.	(+52°F) +11.1°C	(44°F) 6.7°C	(48°F) 8.9°C	(45°F) 7.2°C	(47°F) 8.3°C
Last 3 figures of pressure (reduced to MSL) in mb & 1/10 mb	067	057	058	044	050
Characteristic of barometric tendency	increasing (steadily or unsteadily)	increasing, then steady; or increasing, then incr. more slowly	increasing (steadily or unsteadily)	increasing (steadily or unsteadily)	increasing (steadily or unsteadily)
Change of pressure in last 3 hours, 1/10 mb	+09	+03	+09	+06	+07
Ground condition 0900Z	dry	dry	dry	dry	dry

Reports from surface met. stations at Felixstowe, Gorleston, Mildenhall, West Raynham and Wittering for 0000Z August 14 1956

(Data extracted from Met.Office Daily Weather Reports for 13:1800Z and 14:0000Z supplied by Paul Fuller.)

Radar and radiosonde upper air soundings at Hemsby, Norfolk, 1402Z August 13 & 0201Z August 14 1956 .

Hemsby 13:1402Z				Hemsby 14:0201Z
Pressure, mb: MSL 999.8; surface 998.3; freezing 670 Tropopause: 10,850 m (235 mb, -54°C)				Pressure, mb: MSL 1005.0; surface 1003.5; freezing 800 Tropopause: 14,230 m (141 mb, -50°C)
pressure (mb)	height (g.meters)	Temp. (°C)	Dewpoint (°C)	pressure (mb)	height (g.meters)	Temp. (°C)	Dewpoint (°C)
surface	12	18	15	surface	12	11	08
1000	-001	-	-	1000	41	11	08
-	-	-	-	972	-	11	07
936	-	13	09	-	-	-	-
-	-	-	-	900	-	07	01
892	-	10	09	-	-	-	-
850	1361	08	04	850	1385	03	-02
-	-	-	-	826	-	-	-01
-	-	-	-	813	-	01	-03
807	-	-	-11	-	-	-	-
-	-	-	-	751	-	-02	-11
-	-	-	-	737	-	-02	-14
-	-	-	-	730	-	-	-17
700	2944	02	-23	700	2935	-04	-20
660	-	-01	-27	-	-	-	-
633	-	-01	-27	-	-	-	-
-	-	-	-	622	-	-09	-28
-	-	-	-	577	-	-11	-33
570	-	-06	-32	-	-	-	-
500	5585	-15	-38	500	5521	-18	-37
400	7229	-29	-41	400	7154	-29	-48
380	-	-29	-38	-	-	-	-
355	-	-31	-37	-	-	-	-
300	9247	-42	-	300	9156	-42	-
267		-49	-	267	-	-47	-
-	-	-	-	247	-	-45	-
235	-	-54	-	-	-	-	-
-	-	-	-	227	-	-41	-
220	-	-50	-	-	-	-	-
206	-	-50	-	-	-	-	-
200	11,908	-49	-	200	11,884	-41	-
194	-	-48	-	-	-	-	-
-	-	-	-	192	-	-41	-
-	-	-	-	160	-	-46	-
150	13,794	-51	-	150	13,811	-48	-
149	-	-51	-	-	-	-	-
-	-	-	-	141	-	-50	-
138	-	-49	-	-	-	-	-
-	-	-	-	130	-	-40	-
-	-	-	-	112	-	-52	-
105	-	-53	-	-	-	-	-
100	16,429	-51	-	100	16,460	-49	-
095	-	-49	-	-	-	-	-
-	-	-	-	091	-	-47	-
087	-	-49	-	-	-	-	-
080	-	-48	-	080	-	-49	-
-	-	-	-	075	-	-47	-
070	-	-50	-	-	-	-	-
061	-	-49	-	-	-	-	-
-	-	-	-	060	-	-49	-
055	-	-49	-	-	-	-	-

		13:1402Z		13:2000Z		14:0201Z		14:0800Z
		Temp		Pilar		Temp		Pilar
Alt. (meters)	Pressure (mbar)	Dir. (deg.)	Vel. (knot.)	Dir. (deg.)	Vel. (knot.)	Dir. (deg.)	Vel. (knot.)	Dir. (deg.)	Vel. (knot.)
surface	-	230	17	210	10	240	09	250	20
900	-	250	33	260	30	270	36	280	40
1500	850	240	34	270	28	270	34	290	39
2100	750	250	42	260	30	260	44	280	40
3000	700	250	47	260	42	260	50	280	37
4200	600	250	50	250	56	260	61	270	44
5400	500	250	59	250	62	250	71	270	66
7200	400	250	61	250	70	260	98	270	98
9000	300	250	67	250	83	260	109	260	99
10500	250	250	70	260	92	260	102	260	88
12000	200	260	75	260	74	260	70	270	59
14100	150	270	50	260	39	260	46	250	44
15900	100	250	30	270	38	-	-	260	35
18000	75	270	18	250	20	-	-	240	19
20400	50	280	08	230	06	-	-	-	-
22800	35	-	-	260	56	-	-	-	-

(Note: Pilar reports relate to heights measured by radar; Temp reports relate to corresponding radiosonde measurements of pressure. All speeds are measured by radar.)

(Data extracted from Met.Office Daily Aerological Records for 13:1402/2000Z and 14:0201/0800Z supplied by Paul Fuller.)

Crown copyright, Met Office. Reproduced under Licence Number MetO/IPR/2/2002 0050
By granting this licence the Meteorological Office does not endorse the use made of the information or any any conclusions that may be drawn from it.

4) Bentwaters USAF weather report (extract from Air Intelligence Information Report IR-1-56)

Weather report from the Bentwaters weather detachment for the period 2100Z to 2200Z, 13 August 1956 for the Bentwaters area follows:

Winds:
Surface - Direction 230° velocity 5 - 10 knots
6000 ft - Direction 260° velocity 30 knots
10,000 ft - Direction 260° velocity 40 knots
16,000 ft - Direction 260° velocity 55 knots
20,000 ft - Direction 260° velocity 70 knots
30,000 ft - Direction 260° velocity 90 knots
50,000 ft - Direction 260° velocity 40 knots

ceiling: 25,000 ft
Visibility: 9 miles

No thunderstorms were located in the area of the sightings.

5) Lakenheath USAF weather report (extract from AFR 200-2 intelligence report BOI-485)

[Report from nearest AWS or U.S. Weather Bureau Office of wind direction and velocity in degrees and knots at surface, 6,000', 10,000', 16,000', 20,000', 30,000', 50,000', and 80,000', if available]

surface wind was 230 deg at 15 knots;
6000 ft 290 deg at 24 knots;
10000 ft 290 deg at 35 knots;
16000 ft 290 deg at 45 knots;
20000 ft 290 deg at 53 knots;
30,000 ft 290 deg at 62 knots;
50,000 ft 290 deg at 75 knots.