MONTGOMERY COUNTY NEW YORK REGIONAL NWS SEVERE WEATHER ALERTS
Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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METRIC | IMPERIAL
Updated: 20-Dec-2014 @ 8:35am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 1.8°F than last hour.

19.0°F

Wind Chill:  19.0°F
---
High Today
22.3°F
12:00 AM
Low Today
17.0°F
7:36 AM
Yest High
28.3°F
12:00 AM
Yest Low
22.3°F
11:56 PM
Sta* High
46.6°F
2013
Sta* Low
-10.9°F
2004
* This Station's Records Since 4/2004
Rec* High
61.0°F
1957
Rec* Low
-19.0°F
1951
* Records from Weather Underground
Dawn Dawn

Calm Wind:  W
0.0

Gusting to:
0 mph
Current Snow Snow3:
0.00 in
Fire Weather Index: MINIMAL Current FWI:4
Fire Danger:
0.0 of 232
Today

Mostly Cloudy
Mostly
Cloudy
Hi 29 °F
Tonight

Mostly Cloudy
Mostly
Cloudy
Lo 19 °F
Sunday

Mostly Cloudy
Mostly
Cloudy
Hi 35 °F

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 1.5°F since last hour. 17.1°F
Last Hour: Increased 1.5°F since last hour. 1.5°F
High 12:00 AM: 20.1°F
Low 7:36 AM: 15.3°F
Record High: 78.4°F on
Aug-1-2006
Record Low: -20.9°F on
Jan-17-2007
Wetbulb: 18.4°F
Leaf Wet:7 0
Rain Today
rain graph

Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.10 in
Dec Rain: 1.62 in
Dec to Date
  Avg:10
1.45 in
Dec to Date
  Diff from Avg:10
Over 0.17 in for the month 0.17 in
Dec Avg: 2.40 in
Diff from Avg: Under 0.78 in for the month 0.78 in
Season:1 33.77 in
YTD
  Avg:11
44.41 in
YTD
  Diff from Avg:11
Under 10.64 in for the year 10.64 in
Last Rain
Time/Date:
Dec-17-2014
at 4:38 AM
114 rain days in 2014
9 days in December
2 days since last rain
Current: W  0.0 mph
1Hr Average: 2.0 mph
Wind Run: 15.74 miles
Wind Gust
Current: 0 mph
Today: 14 mph 12:37 AM
Month: 39 mph Dec-3
Year: 48 mph Apr-14
Record Gust: 53 mph
Mar-8-2008
Sunlight:
9 hrs 1 min
16 sec
of Sunlight Today
graph 37.6% 62.4% Which is 4 sec Shorter
Than Yesterday


Morning Crescent, 28 days, 1 hours, 6 minutes in cycle
2%
Illuminated
Humidity Barometer
Current: Decreased 1% since last hour. 92%
Last Hour: Decreased 1% since last hour. 1%
High 6:54 AM: 95%
Low 12:39 AM: 89%
Record High: 100%
Nov-21-2004
Record Low: 3%
Jul-6-2008
Current: Rising 0.015  inHg/hr 30.344 inHg
Last Hour: Rising slowly
High 8:32 AM: 30.344
Low 1:10 AM: 30.250
Record High: 30.977 inHg
Sep-9-2007
Record Low: 28.417 inHg
Jul-20-2007
Heating Degree Days Snow3 Wind Chill Air
Today: 15.4
Dec: 681.3
2014 to Date: 7189.2
Cooling Degree Days
2014 to Date: 331.3
Today: 0.00 in
Yesterday: 0.12 in
Dec Snow: Under 11.248 in for the month 4.50 in
Dec Avg: 15.75 in
Diff from Avg: -11.25 in
Season Total:2 21.89 in
Snow Depth: 0.32 in
6 snow days in December
16 snow days this season.2
First Snow of Season:
Nov-13-2014
Average 1st Snow:
18 of November
Current: 19.0°F
Low 12:38 AM: 10.8°F
Yesterday: 10.4°F
Record: -31.4°F
Jan-22-2005
Quality
Index6:

33


Good
Density:
1.345 kg/m3
Current UV Index Current Solar Energy9
0.0
Sunburn in
N/A Minutes
Highest:
12:00 AM
0.0
54 W/m2
25%
Solar % SI
High Today:
8:35 AM
54  W/m2 Record:1473 W/m2
Almanac Irrig. Index5/WebCam Station All Time Records Cloud Level
Current: Morning
YTD Avg Temp: 45.7°F
Sunrise: 7:25 AM
Sunset: 4:27 PM
Moonrise: 5:35 AM
Moonset: 3:33 PM
Full Moon: Dec-6-2014
New Moon: 01:36 UTC
Dec-22-2014
New Moon: 8:36 PM EST
Dec-21-2014
Winter
Begins:
6:03 PM EST
Dec-21-2014
 
Updated at Midnight
Current ET: 0.00 in
7-Days Rain: 0.10 in
7-Days ET: 0.09 in
7-Day:  0.013 in water in excess of what evaporated in last 7 days. 0.013 in
December:  1.29 in water in excess of what evaporated this month. 1.29 in
RoadCam viewing North

RoadCam Image
HIGHS: LOWS:
94.8°F
Jul-17-2012
-17.0°F
Jan-22-2005
6am-6pm Avg Temp Record
  93.0°F
Jul-17-2012
  -11.0°F
Jan-22-2005
6pm-6am Avg Temp Record
  86.2°F
Jul-21-2011
  -17.0°F
Jan-22-2005
Indoor Temp: 66.1°F 
ICN:18 | S3C2:6 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:97%
METRIC | IMPERIAL
Updated: 20-Dec-2014 @ 8:35am  
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow is continually measured automatically using a Laser Snow Sensor.   4 Updated at Noon Eastern Time.   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).   6 Air Quality Index is provided by the New York State Dept. of Environmental Conservation..   7 Leaf Wetness is surface moisture on foliage. 0 being totally dry and 15 being totally saturated.   8 Soil moisture and temperatures are from sensors burried in the ground at the levels specified.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 20 of just the month of December for this station since 2005.   11 Historical average rain this season to day 20 of December for this station since 2005.
 NWS Weather Forecast  -   Outlook Today & Tonight
Today

Mostly Cloudy
Mostly
Cloudy
Hi 29 °F
NWS forecast: Mostly cloudy, with a high near 29. Calm wind.
WXSIM forecast: Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 32°. Wind west near calm in the morning, becoming east-northeast in the afternoon.
VP2 automated forecast: Mostly clear with little temp. change.
Tonight

Mostly Cloudy
Mostly
Cloudy
Lo 19 °F
NWS forecast: Mostly cloudy, with a low around 19. Light and variable wind.
WXSIM forecast: Partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of snow. Low 23°. Wind east-southeast near calm in the evening, becoming south after midnight. Chance of precipitation less than 20 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Little or no snow accumulation expected.
 NWS Short Term Weather Forecast
Sunday

Mostly Cloudy
Mostly
Cloudy
Hi 35 °F
Sunday
Night

Partly Cloudy
Partly
Cloudy
Lo 19 °F
Monday

Partly Sunny
Partly
Sunny
Hi 37 °F
Monday
Night

Wintry Mix. Chance for Measurable Precipitation 20%
Wintry
Mix
Lo 31 °F
Tuesday

Freezing Rain Likely. Chance for Measurable Precipitation 60%
Freezing Rain
Likely
Hi 43 °F
Tuesday
Night

Rain. Chance for Measurable Precipitation 80%
Rain

Lo 38 °F
Wednesday

Rain. Chance for Measurable Precipitation 80%
Rain

Hi 45 °F
Animated icons courtesy of www.meteotreviglio.com
Precipitation average-to-date script courtesy of Murry Conarroe
Version 6.92 - 09-Feb-2014 - Script Mods by: BurnsvilleWeatherLIVE.com

TODAY IN WEATHER HISTORY
December 20, 1836
A famous cold wave occurred in central Illinois. A cold front with 70 mph winds swept through at Noon dropping the temperature from 40 degrees to near zero in a matter of minutes. Many settlers froze to death. Folklore told of chickens frozen in their tracks and men frozen to saddles. Ice in streams reportedly froze to six inches in a few hours. (David Ludlum)

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