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Winter Storm Warning - Clarion (Pennsylvania) In Effect ... [Click here for more]
Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
Updated: @ 09-Feb-2010 6:25pm - next update at 6:59pm  
Summary / Temperature Wind Rain/Melted Snow Outlook


Night time, Dry
Night time, Dry
Currently 26.8°F, Max: 30.0°F, Min: 9.5°F 26.8°F
Colder 0.7°F than last hour.

---

Feels like:  23°F

24-hr difference
6°FWarmer 6°F than yesterday at this time.
  Today Yesterday
High: 30.0°F
3:57pm 		27.9°F
4:32pm
Low: 9.5°F
12:30am 		1.2°F
7:37am
NWS Records: 64.4°F
1937 		-20.2°F
1934
Wind from ENE ENE
3.1
Gust:
 5.4 mph
Light Breeze
Today: 10.9 2:40pm
Gust Month:   15.9 on Feb 3
Today: 0.00 in
Rate (/hr): 0.00 in
Yesterday: 0.00 in
Storm Rain: 0.00 in
February: 0.00 in
Season:1 0.09 in
17 days since last rain.
Wednesday

Snow. Chance for Measurable Precipitation 90%
Snow
Barometer Humidity/Dew Point Moon
Current: 29.731 inHg Falling 0.03 °F/hr
1-Hour Trend: Falling slowly
3-Hour Trend: Falling rapidly
High: 30.174 | Low: 29.731
Humidity: 52 % Increased 7% since last hour.
Humidex: 19.4°F
Dew Point: 11.5°F Increased 2.6°F since last hour.
Wetbulb: 22.8°F
Waning Crescent
Waning Crescent, Moon at 25 days in cycle
15%
Illuminated
UV Index Forecast Solar Radiation
9 Feb 2010   Low   2.1   
10 Feb 2010   Low   2.0   
11 Feb 2010   Low   1.8   
Sunrise is at: 7:19 AM
Sunlight 24Hrs: 00:00 Hrs
Sunlight Month: 00:00 Hrs
Wind Chill Heating Degree Days Sun
Current: 23.2°F°F
Today: 9.5 °F°F  at 12:30am
Yesterday: 1.2°F
Last Week: 5.6°F
Record: -7.8°F   31-Jan-2010
Today: 38.0
February: 381.3
2010 to Date: 1639.6
Cooling Degree Days
2010 to Date: 0.0
Daylight: Possible hours of Daylight 10:25
+ 0:02 Min
Lightning Strikes Irrigation Index4 Station All Time Records Fire Risk
Last Minute: 0
Last 5 Minutes: 0
Last 30 Minutes: 0
Last 60 Minutes: 0
Last 12 Hours: 0
February: 0
2010 to Date: 0
Last
Strike:		 14:46:44 2009/12/09
ICN:1 ISS:Ok CON:%vpconsolebattery% RCP:%vpreception2%
Updated at Midnight
7-Days Rain: 0.000 in   
7-Days ET: 0.154 in   
7-Day Index: -0.154 in 0.154 in water in deficit of what evaporated in last 7 days.
February Index: -0.18 in 0.18 in water in deficit of what evaporated this month.
Outside Now
Air Density: 1.297 kg/m3
Cloud Height: 4931 ft
HIGHS: LOWS:
128.3°F
25-Jun-2009 		-7.2°F
10-Jan-2010
Records for Daytime
    83.1°F on: Aug 10 2009   9.3°F on: Jan 29 2010
Records for Nitetime
  77.5°F on: Aug 10 2009 3.9°F on: Jan 31 2010
Current Fire Weather Index
Fire Weather Index: LOW
Today:
0.0 of 31
1 Rain season: Jan 1st to Dec 31st.    2 Snow season July 1st to June 30th.    3 Snow manually measured
4 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  -   Tonight's and Wednesday's Outlook
Tonight

Heavy Snow. Chance for Measurable Precipitation 100%
Heavy
Snow
Lo 19 °F 		NWS forecast: Snow. The snow could be heavy at times. Low around 19. South wind between 7 and 14 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday

Snow. Chance for Measurable Precipitation 90%
Snow

Hi 23 °F		 NWS forecast: Snow and areas of blowing snow before 5pm, then snow likely and areas of blowing snow after 5pm. High near 23. West wind between 10 and 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
 NWS Short Term Weather Forecast
Wednesday

Snow. Chance for Measurable Precipitation 90%
Snow

Hi 23 °F 		Wednesday
Night
Snow Likely. Chance for Measurable Precipitation 60%
Snow
Likely
Lo 16 °F 		Thursday

Chance Snow. Chance for Measurable Precipitation 40%
Chance
Snow
Hi 24 °F 		Thursday
Night
Chance Snow. Chance for Measurable Precipitation 30%
Chance
Snow
Lo 14 °F 		Friday

Slight Chance Snow. Chance for Measurable Precipitation 20%
Slight Chc
Snow
Hi 24 °F 		Friday
Night
Chance Snow. Chance for Measurable Precipitation 30%
Chance
Snow
Lo 14 °F 		Saturday

Chance Snow. Chance for Measurable Precipitation 30%
Chance
Snow
Hi 27 °F 		Saturday
Night
Mostly Cloudy
Mostly
Cloudy
Lo 13 °F
Version 2.80 - 14-APR-2009 - Script Modification/Additions by: WebsterWeatherLIVE.com

Weather Definitions and Weather Facts

ET
Evapotranspiration (ET) is a measurement of the amount of water vapor returned to the air in a given area. It combines the amount of water vapor returned through evaporation (from wet vegetation surfaces and the stoma of leaves) with the amount of water vapor returned through transpiration (exhaling of moisture through plant skin) to arrive at a total. Effectively, ET is the opposite of rainfall, and it is expressed in the same units of measure (Inches, millimeters).