Frederick, MD

22°F / -5.6°C
Partly Cloudy
Windchill: 10°F / -12°C
Humidity: 58%
Dew Point: 9°F / -13°C
Wind: NW at 12 mph / 19.3 km/h
Wind Gust: 22.0 mph / 35.4 km/h
Pressure: 29.96 in / 1014 hPa (Rising)
Visibility: 9.0 miles / 14.5 kilometers
Clouds: (FEW) : 2500 ft / 762 m
Yesterday's Maximum: 34°F / 1°C
Yesterday's Minimum: 30°F / -1°C
UV: 0 out of 16
Sunrise:7:05 AM EST
Sunset:5:42 PM EST
Moon Rise:11:35 PM EST
Moon Set:9:24 AM EST
Moon Phase Waning Gibbous
NOAA Weather Radio
METAR KRSP 120754Z AUTO 34018G34KT 9SM FEW025 M11/M16 A2986 RMK AO2 PK WND 34034/0752 SLP145 T11061156 $
As of: 2:29 AM EST on February 12, 2012
Observed at: MDDOT I-70 at Monacacy, Frederick, MD

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Forecast

Today
partlycloudy
34° | 20°F
| -7°C
Monday
clear
40° | 25°F
| -4°C
Tuesday
chancerain
40° | 31°F
| -1°C
Today is forecast to be
nearly the same temperature as yesterday.
Wind Advisory in effect until 7 am EST this morning...
Overnight
Snow showers. Little or no snow accumulation. Blustery with lows around 20. Northwest winds 15 to 25 mph with gusts up to 50 mph. Chance of snow 80 percent.
Sunday
Mostly sunny and blustery. Highs in the lower 30s. West winds 15 to 25 mph with gusts up to 45 mph.
Sunday Night
Mostly clear. Lows around 18. West winds 15 to 20 mph. Gusts up to 40 mph in the evening.
Monday
Sunny. Highs in the upper 30s. West winds 10 to 15 mph.
Monday Night
Partly cloudy in the evening...then becoming mostly cloudy. Lows in the upper 20s. West winds 5 to 10 mph.
Tuesday
Cloudy. Highs around 40.
Tuesday Night
Mostly cloudy. Lows in the lower 30s.
Wednesday
Mostly cloudy. Highs in the mid 40s.
Wednesday Night
Mostly cloudy. Lows around 30.
Thursday
Mostly cloudy with a chance of rain or snow showers. Highs in the upper 40s. Chance of precipitation 30 percent.
Thursday Night
Mostly cloudy with a chance of rain or snow showers. Lows in the upper 30s. Chance of precipitation 40 percent.
Friday
Partly sunny. Highs in the upper 40s.
Friday Night
Mostly clear. Lows in the lower 30s.
Saturday
Mostly sunny. Highs in the upper 40s.
As of: 12:59 am EST on February 12, 2012

Scientific Forecaster Discussion

Warnings & Notices

Wind Advisory

Expires 7:00 AM EST on February 12, 2012
Statement as of 9:41 PM EST on February 11, 2012

... Wind Advisory remains in effect until 7 am EST Sunday...

* timing... overnight. Winds will begin to diminish toward dawn.

* Winds... northwest 20 to 30 mph with gusts up to 50 mph.

Precautionary/preparedness actions...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult... especially for high
profile vehicles. Use extra caution.





Public Information Statement

Statement as of 2:15 am EST on February 12, 2012

The following are unofficial observations taken from the past 30
hours for the series of storms that have affected our region.
Appreciation is extended to Highway departments... cooperative
observers... Skywarn spotters and media for these reports. This
summary is also available on our home Page at weather.Gov/lwx

********************storm total snowfall********************

Location storm total time/date comments
                     snowfall of
                     /inches/ measurement

Maryland

... Allegany County...
   1 NNW Frostburg 1.2 542 PM 2/11 co-op observer

... Anne Arundel County...
   BWI Airport 0.5 1200 am 2/12 Airport

... Baltimore County...
   2 NW Long Green 2.3 900 PM 2/11 trained spotter

... Carroll County...
   1 SSW Manchester 3.9 1055 PM 2/11 trained spotter
   4 NE Millers 2.5 200 am 2/12 co-op observer
   3 WSW Lineboro 1.2 1035 PM 2/11 trained spotter

... Montgomery County...
   2 WSW Damascus 2.7 1158 PM 2/11 co-op observer
   5 N Laytonsville 2.5 400 PM 2/11 broadcast media
   1 SSE Colesville 0.5 1145 PM 2/11 this evening only

... Washington County...
   1 WSW Cavetown 1.5 359 PM 2/11 trained spotter

Virginia

... Arlington County...
   Reagan National airp 0.2 1209 am 2/12 Airport

... Clarke County...
   1 NNW Berryville 0.6 735 PM 2/11 trained spotter

... Fairfax County...
   2 ESE Chantilly 0.4 1208 am 2/12 NWS employee

... Fauquier County...
   Warrenton 0.1 245 PM 2/11 NWS employee

... King George County...
   King George 0.3 430 PM 2/11 trained spotter

... Loudoun County...
   1 NNE Dulles interna 1.2 1200 am 2/12 ASOS
   Countryside 0.9 244 PM 2/11 NWS employee
   3 NNW Dulles interna 0.6 235 PM 2/11 NWS employee
   Dulles international 0.6 235 PM 2/11 Airport

West Virginia

... Berkeley County...
   1 WNW Bunker Hill 1.2 233 PM 2/11 cocorahs

... Grant County...
   Bayard 7.1 720 PM 2/11 co-op observer

... Pendleton County...
   6 WSW Cherry Grove 5.0 541 PM 2/11 trained spotter
   2 S Seneca Rocks 0.5 600 PM 2/11 public


***********************peak wind gust***********************

Location Max wind time/date comments
                        gust of
                         mph measurement

Maryland

... Anz533...
   3 E Calvert Cliffs 46 948 PM 2/11 buoy

... Anz537...
   2 WSW Piney Point 53 712 PM 2/11 mesonet
   2 se Cobb Island 47 705 PM 2/11 buoy
   7 SSE Saint George I 46 930 PM 2/11 buoy

... Baltimore County...
   1 WSW Arbutus 46 713 PM 2/11 mesonet

... Frederick County...
   2 SW Flint 53 709 PM 2/11 AWOS
   1 ENE ballenger cree 46 545 PM 2/11 mesonet

... Montgomery County...
   2 se Gaithersburg 46 750 PM 2/11 mesonet

... St. Marys County...
   Point Lookout 48 805 PM 2/11 buoy
   2 ENE Patuxent River 45 436 PM 2/11 AWOS

... Washington County...
   1 E Hagerstown 46 345 PM 2/11 mesonet

Virginia

... Anz543...
   8 E Smith Island 47 1254 am 2/12 buoy

... Arlington County...
   1 E Cherrydale 53 821 PM 2/11 mesonet
   1 S Reagan National 44 307 PM 2/11 ASOS

... Augusta County...
   3 WSW Moscow 46 230 PM 2/11 mesonet

... Fairfax County...
   1 ESE Newington 47 839 PM 2/11 AWOS

... King George County...
   3 NE Dahlgren 51 847 PM 2/11 mesonet

... Loudoun County...
   2 SSW Leesburg 51 955 PM 2/11 AWOS
   1 NNE Dulles interna 49 722 PM 2/11 ASOS
   2 ENE Lovettsville 47 718 PM 2/11 mesonet

... Prince William County...
   2 S Woodbridge 46 1223 am 2/12 mesonet


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