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Jefferson Co, WV

Frederick Co, VA

Frederick Co, MD

Washington Co, MD
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Winter Storm Warning - Jefferson Co, WV - Frederick Co, VA - Frederick Co, MD - Washington Co, MD - Berkeley Co, WV - Loudoun Co, VA - Clarke Co, VA - Morgan Co, WV


Radar/Satellite images courtesy of Weather Underground.

Snow Forecast for Feb 9 7am through Feb 10 6PM Updated 2/8/10 @ 8:10 PM

Feb 5-6 Snowfall Totals: Updated 2/7/10 @ 4:53 PM

PRELIMINARY SUMMARY OF TWO-DAY STORM TOTAL SNOWFALLS EXCEEDED IN THE BALTIMORE-WASHINGTON AREA

METRIC | IMPERIAL

Updated: 9/2/2010 @ 02:20am - next update at 02:25am

Summary / Temperature

Wind

Rain/Melted Snow

Cloud Level

Night time, Dry, Clear skies

5.0°F

Very Cold

Feels like:
5°F

24-hr
difference
-4.9°F

LOCALLY:	Today	Yesterday
High:	6.1°F 12:29am	34.0°F 4:15pm
Low:	4.7°F 1:04am	-5.3°F 6:38am
Normal Temp
Normal High: 44.6°F
Normal Low: 24.8°F
Record Temp
Record High: 66.2°F in 1965
Record Low: -9.4°F in 1967

	SSE 0.0 Gust: 0.0
Calm
60-Min Avg:	Calm
120-Min Avg:	Calm
Max Gust:	2.0 mph 1:08am
Month:	17.0 mph Feb 5

Today:	0.00 in
Yesterday:	0.00 in
Last Rain:	2/7/2010 9:56 AM
February:	1.05 in
Last 7 Days:	1.05 in
Rain Season:¹	3.54 in
Rain Days:	5 in 2010
4 rain days in February.

Barometer

Humidity/Dew Point

Moon

Current:	30.206 inHg
1-Hr Trend:	Steady
3-Hr Trend:	Steady
Today:	30.216 30.206

Humidity:	82 %
Humidex:	-3.4°F
Today:
Dew Point:	0.7°F
Wetbulb:	4.3°F

20%
Illuminated

UV Forecast

Solar Information

9 Feb 2010 Low 2.4

10 Feb 2010 Low 2.2

11 Feb 2010 Low 2.2

Sunrise is at: 7:10 AM

Sunlight 24Hrs: 00:00 Hrs

Sunlight Month: 19:43 Hrs

Wind Chill

Heating Degree Days

Sun

Current:	5.0°F
Today:	4.7°F at 1:04am
Yesterday:	-5.2°F
Last Week:	-5.9°F
Record:	-7.8°F 16-Jan-2009

Today:	5.5
February:	325.9
2010 to Date:	1397.7
Cooling Degree Days
2010 to Date:	0.0

Daylight:

10:31
^{0:02 Min}

Snow³

Irrigation Index⁵

Station All Time Records

Fire Risk

Today:	0.00 in
Yesterday:	0.00 in
February:	29.60 in
Season Total:²	60.80 in
Snow Depth:	25.00 in
4 snow days in February
10 snow days this season.²

Updated at Midnight
Current:	0.00 in
7-Days Rain:	1.05 in
7-Days ET:	0.12 in
7-Day:	0.933 in
February:	0.9 in
Outside Now
Air Density:	1.380 kg/m³

HIGHS:	LOWS:
95.2°F 07-Jun-2008	-6.2°F 07-Feb-2010
Daytime Records
86.7 F on: Jun 07 2008	10.9F on: Jan 16 2009
Nitetime Records
79.9F on: Sep 15 2008	3.0F on: Feb 07 2010
ICN:1 ISS:Ok CON:2.4 RCP:94%

Chandler Burning Index

Currently:
-2.3
at 02:20 AM

¹ Rain season: Jan 1st to Dec 31st. ² Snow season July 1st to June 30th. ³ Snow manually measured usually around 7AM and 7PM. ⁵ Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present.)

NWS Weather Forecast - Outlook Overnight & Tuesday

Overnight

Mostly
Cloudy
Lo 10 °F

NWS forecast: Mostly cloudy, with a low around 10. Calm wind.

Tuesday

Snow

Hi 29 °F

NWS forecast: Snow, mainly after 2pm. High near 29. Calm wind becoming east around 6 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

NWS Short Term Weather Forecast

Tuesday

Snow. Chance for Measurable Precipitation 90%

Snow

Hi 29 °F

Tuesday
Night
Heavy Snow. Chance for Measurable Precipitation 100%