Manama, Dec. 8 (BNA): Bahrain Meteorological Directorate (BMD) in Ministry of Transportation and Telecommunication (MTT) had reported in their monthly weather summary.
That November 2015 was warmer than normal in temperatures, below average in relative humidity figures, wind speed and above average in rainfall.
The mean temperature of the month was 25.3 C. This is 1.0 C above the long-term normal for November. The mean maximum temperature of the month was 27.9 C.
The highest temperature recorded in the month was 35.6 C set on 10th November due to the warm southerly winds which was dominated during that morning. This goes on record as the third highest temperature for November since 1946 and exceeded by 1st November 1999 which was 37.2 C, 11th November 1999 and 5th November 2006 which was 36.4 C.
During the month Bahrain had 8 days with maximum temperature exceeded 30 C.
The mean minimum temperature of the month was 23.0 C. This goes on record as the fourth highest mean minimum temperature for November since 1946. This is same as November 1980 and exceeded by November 1954 which was 23.3 C, November 1994 which was 23.2 C and November 2009 which was 23.1 C.
The lowest temperature recorded was 17.8 C set on the 25th of November at Bahrain International Airport.
The mean relative humidity for November was 63%. The mean maximum relative humidity for the month was 75% and the mean minimum relative humidity for November was 51%.
Total rainfall of 29.0 mm fell over 4 days in November. Trace amount were recorded on the first and 20th of November. This total was 8 times more than the long-term normal for November. The highest monthly rainfall ever recorded for November was 146.8 mm which occurred on November 1940.
The highest day with precipitation was 25.2 mm fell on the 25th November. An additional of 1.0 mm fell on the 11th, 2.0 mm fell on the 23rd and 0.8 mm fell on the 24th November to make the total amount 29.0 mm.
Thunderstorms occurred on 2 days. Thunderstorms were reported at the airport on November 25 reducing the visibility to 2000 metres and produced a daily total precipitation of 25.2 mm and that was due to a deep upper trough which had moved from the Mediterranean Sea towards the central part of Arabian Peninsula and Arabian Gulf with a good feeding of warm and moist air at lower levels ahead of it, which led to the formation of clouds that produced the thundery showers over the kingdom.
The month had a new record for the lowest station pressure for November which was 1005.2 hpa set on the 10th November. The old record was 1007.6 hpa set on the 1st November 2014.
Northerly winds accounted 65% of the observation and 11% the wind observed was prevailing from east to southeast direction with gusts reached 31 knots on the 10th November at Bahrain International Airport.
Dust haze reported on the 10th November. Visibility dropped to 2000 meters at Bahrain International Airport.
I.Y
BNA 1221 GMT 2015/12/08