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Feb. 19th-21st Winter Storm Part 3


wisconsinwx

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Detroit Metropolitan Wayne County Airport

Lat: 42.23 Lon: -83.33 Elev: 636

Last Update on Feb 20, 6:53 pm EST

Thunderstorm Heavy Snow Freezing Fog

28 °F

(-2 °C) Humidity: 96 % Wind Speed: E 10 G 17 MPH Barometer: 29.88" (1012.7 mb) Dewpoint: 27 °F (-3 °C) Wind Chill: 19 °F (-7 °C) Visibility: 0.13

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KDTW 202350Z 08009G17KT 1/8SM R04R/2600V5500FT +TSSN FZFG OVC006CB M02/M03 A2988 RMK AO2 TWR VIS 1/2 TSB47PLB04E18 OCNL LTGIC ALQDS AND OHD TS ALQDS AND OHD MOV E P0015

Surprised they didn't pick up any inch or more of snow in an hour during the last three hours (i.e. there was no SNICR in the obs). The precip. was .10, .15, .16 -- even 10:1 ratios would have yielded over an inch. Must be some very wet snow.

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Niagara Falls - Welland - Southern Niagara Region

3:34 PM EST Sunday 20 February 2011

Winter storm warning for

Niagara Falls - Welland - Southern Niagara Region continued

..Snow and blowing snow beginning this evening and continuing tonight..

A Colorado low over Southwestern Iowa this afternoon is tracking towards Northern Ohio. Snow ahead of this low has moved into Southwestern Ontario an will continue to develop eastward. Snow and blowing snow will intensify tonight giving winter storm conditions. Snow amounts of 15 to 20 cm are likely.

The snow may change over to ice pellets for a few hours tonight in locales near Western Lake Erie with risk of freezing rain.

Brisk east to northeast winds will cause blowing snow in many areas. Driving conditions are expected to deteriorate quickly beginning this evening and become hazardous due to very low visibility in heavy snow and blowing snow. Freezing rain in the extreme southwest may make untreated surfaces become icy.

The winter storm will end early Monday morning.

Environment Canada is closely monitoring the situation. Warnings will be issued later

:snowman:
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Surprised they didn't pick up any inch or more of snow in an hour during the last three hours (i.e. there was no SNICR in the obs). The precip. was .10, .15, .16 -- even 10:1 ratios would have yielded over an inch. Must be some very wet snow.

We don't do snow increase/amount obs because I am in a tower 60 feet up and there is no feasible site nearby to go down to do so....closest spot to go to and back would take a half hour so we don't so them to stay on top of the obs.

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Interesting that GRR would report a snow total from Shiawassee County which is not in their CWA.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
710 PM EST SUN FEB 20 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
           ..REMARKS..

0704 PM     HEAVY SNOW       5 NNW LANSING           42.80N 84.58W
02/20/2011  M5.3 INCH        CLINTON            MI   OFFICIAL NWS OBS

           STORM TOTAL SNOW AT THE CAPITAL CITY AIRPORT THROUGH 645
           PM.

0704 PM     HEAVY SNOW       1 W DEWITT              42.84N 84.60W
02/20/2011  M6.5 INCH        CLINTON            MI   COCORAHS

           STORM TOTAL SNOW THROUGH 7 PM.

0704 PM     HEAVY SNOW       3 S WYOMING             42.86N 85.72W
02/20/2011  M5.0 INCH        KENT               MI   BROADCAST MEDIA

           STORM TOTAL SNOW THROUGH 7 PM.

0704 PM     HEAVY SNOW       3 N PERRY               42.86N 84.23W
02/20/2011  M5.5 INCH        SHIAWASSEE         MI   PUBLIC

           STORM TOTAL SNOW THROUGH 7 PM.

0704 PM     HEAVY SNOW       ST. JOHNS               43.00N 84.56W
02/20/2011  M5.5 INCH        CLINTON            MI   PUBLIC

           STORM TOTAL SNOW THROUGH 7 PM.

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