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Online Briefing report Table 4

Frequency of dry spells greater than 10 days, at four locations. Observed 1961–1990, simulated by the Weather Generator  (WG) (1961–1990) and projected for the 2080s under the Medium emissions scenario. Results are given for 10, 50 and 90th percentiles, based on 100 runs of the Weather Generator to a random sample of the projections, averaging at the 50% probability level.

 

 

       
  Observations
WG simulations
1961–1990
WG projections
2080s Medium
    50%  10%
 50%
 90%
 10%
 50%
 90%
Annual number of dry spells greater than 10 days
Heathrow (England)
 9
 5
 8
 11
7
 11
 15
Dale Fort (Wales)
 7
 3 5 8
 4
 7
 10
Aldergrove (Northern Ireland)
 5 1
 3
 5
 2
 5
 8
Eskdalemuir (Scotland)
 4
 1
 3
 5
 2
 4
 7