Surface Weather at Lisbon, 04-5 August 1943

Surface weather at Lisbon, Portugal has been obtained(1)

There are three (3) surface observation reports. They are for 0700 GMT 04 August, 0700 GMT 05 August and 1800 GMT 05 August. The 1800 GMT report is not recorded on the chart.

According to a Legend provided by UK Met the following observations are made:

Station: Lisbon
Date: Wednesday, 04 August 1943
Time: 0700 GMT
Station Elevation: 312 Feet (Above Sea Level)
Barometric Pressure: 1018.8 mb
Barometric Pressure Change: +6 mb in last 3 hours
Surface Winds: West South West at 4-7 Miles Per Hour (2)
Sky: Blue Sky to Partly Cloudy, with less than 1/2 sky covered. 1/10th to 3/10th covered.
Nightime Low: 57 Deg F
Temperature: 61 Deg F
Visibility: 12 1/2 Miles (horizontal)

Station: Lisbon
Date: Thursday, 05 August 1943
Time: 0700 GMT
Barometric Pressure: 1019.5 mb
Barometric Pressure Change: 0 in last 3 hours
Surface Winds: North-North-West at 4-7 Miles Per Hour (2)
Sky: Mist, Cloud heights (base) 4,000 feet. 1/10th to 3/10th coverage.
Nightime Low: 50 Deg F
Temperature: 64 Deg F.
Visibility: 2 1/2 miles (Poor)

Station: Lisbon
Date: Thursday, 05 August 1943
Time: 1800 GMT
Barometric Pressure: 1017.5 mb
Barometric Pressure Change: o in last 3 hours
Surface Winds: North-West at 13-18 MPH (2)
Sky: Generally Cloudy to Partly Cloudy, more than 9/10th coverage but with openings
Nightime Low: N/A
Temperature: 72 Deg F
Visibility: 12 1/2 miles
1. Also from the UK Met Office.

2. This was converted from the Beaufort Scale of Wind Force to miles per hour by a separate chart included in the package from the UK Met Office.