Environmental Engineering Reference
In-Depth Information
5. Further Work
This is part of a more extensive assessment of mesoscale model forecast skill in
seemingly benign yet deceptively challenging “asynoptic” summertime situations
relevant to air quality research and forecasting.
Fig. 3.
2 m temperature difference between unnudged run WRF-48 and nudged run WRF-49,
both using RRTM/Dudhia radiation for a 48 h forecast valid 00Z August 2. Only part of the 36
km outer domain is shown
WRF
−
48 vs. WRF
−
49, Pacific Northwest
0.004
0.003
0.002
0.001
0
-0.001
-0.002
-0.003
-0.004
-0.005
-0.006
-18
-16
-14
-12
-10
-8
-6
-4
-2
0
2
4
6
2 m T difference (deg. C)
Fig. 4.
Scatterplot of 2 m temperature (T) and vapor mixing ratio (Q) differences between
unnudged run WRF-48 and nudged run WRF-49, for the region north of 42°N in
Fig. 3
