treatment round (near rush
hour required). Snow ~0.3
inches.
48
13 Feb
No significant weather
49
14 Feb
No significant weather
Blowing Snow:
Based on feedback
from the mid-demo
telecom, the
blowing snow
algorithm was
refined to be more
sensitive to wind
and snow age.
Andy Stern &
50
15 Feb
No significant weather
Ray Murphy
Andy Stern &
51
16 Feb
No significant weather
Ray Murphy
Andy Stern &
Insolation: WRF
52
17 Feb
Foggy in the morning
Ray Murphy
model revision to
followed by partly cloudy
remove
skies. A very brief flurry
microphysical
was reported at Ames. Not
species from grid
action required.
boxes with low
concentrations.
This improved the
WRF insolation
values on clear
days.
Andy Stern
53
18 Feb
Clear and mild (temps in
Road temperatures well
mid 30s to low 40s). Rain
above freezing during
even predicted by MDSS
daytime.
starting near midnight on
the 20th.
Andy Stern
MDSS shows rain to snow
54
19 Feb
Cloudy. Storm approaching
case. Treatments
from southwest. Rain
recommended for rain and
predicted to start late in the
cold roads, then for snow.
evening then change to
snow at sun rise on the 20th.
About 2-3 inches predicted
for Ames and 1 inch for
DSM.
Andy Stern
55
20 Feb
Rain to light snow event.
MDSS had rain start well
Rain to begin near midnight
predicted. Late evening
(19th) updates downplayed
and briefly change to snow
near dawn, then to rain
snow accum. Meso models
again.
did well with type. NWS
models predicted too much
snow the day before.
56
21 Feb
No significant Weather
MDSS lost FSL models
Bill
57
22 Feb
Rain showers in morning
from 11-22Z (inclusive).
Mahoney
through early afternoon in
The first forecast with the
DSM. No snow in DSM.
restored data would have
been
the 9 pm update.
175
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