Warnings, Cautions, and Advisories
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WXSIM Risk forecast for Madison, initialized at 2:55 PM Sep 5, 2010
Heat Index
Expect heat indices approaching 100 Saturday. The high OAT will be 91.
Updated: @ 05-Sep-2010 10:10pm - next update at 6:00pm  
Current Wx Station Records  Station Records Wind Precipitation Precip Analysis/Graphs Outlook
Record Low

No precip, Clear skies
No precip, Clear skies
THWS:1 °F
Hx: ---
Currently 63.5°F, Max: 84.2°F, Min: 50.1°F

63.5°F
Warmer 1.1°F than last hour.

24-hr Anomaly:
3°FWarmer 3°F than yesterday at this time.
LOCALLY: Today Yesterday
High: 84.2°F
4:36pm
81.1°F
4:11pm
Low: 50.1°F
6:50am
53.1°F
6:40am
NWS
Normal:
Record:
Year:
HIGH
86.0°F
107.6°F
1925
LOW
64.4°F
51.8°F
1934
Calm NW
0.0
Gust:
0.0 mph
Calm
Max: 14.0 mph 2:45pm
Month: 22.4 mph Sep 3
Today: 0.00 in
Rate (/hr): 0.00 in
Storm Rain: 0.00 in
September: 0.08 in
YTD: 30.74 in
1 rain day in September.
Tonight

Clear
Clear
Barometer Water Vapor Solar Space Weather
Current: 29.996 inHg Rising 0.01 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Rising
High: 30.059  | Low:  29.960
Dew Point:  53.9 °F Increased 0.6°F since last hour.
Wetbulb: 58.2°F
Humidity: 71 % Decreased 1% since last hour.
Air Density: 1.211 kg/m3
Possible hours of Daylight
Daylight
12:45
Yesterday 12:47
0 W/m2 (0 %)
Possible Energy:
0 W/m2
Max: 909 W/m2 
at  12:37pm
UV Index/Forecast Celestial Station Records
This afternoon: 5 or  Burn 
Monday: 9 or  Fry 
Tuesday: 9 or  Fry 
Sunrise/set: 06:23/19:08
Moonrise: 4:09am
Full Moon 8% 24 August 2010
Wind Chill Heating Degree Days Air Quality Station Records
Current: 63.5°F
Today: 50.1°F  at 6:50am
Yesterday: 53.1°F
Record: -5.6°F   16-Jan-2009
Today: 5.2
September: 5.2
Monthly High: 93.9°F
Monthly Low: 50.1°F
19
Good
Lightning Irrigation Index Station Records Station Records Station Records Fire Risk
Lightning Detection
ET Rate: 0.19 in   
7-Days Rain: 1.03 in   
7-Day Index:7 0.13 in 0.13 in water in excess of what evaporated in last 7 days.
  for September: -0.6 in 0.6 in water in deficit of what evaporated this month.
Local Climate Index
Local 12-Month Temp TrendLocal Index
-0.3°F
100.8°F
13-Aug-2010
7.5°F
16-Jan-2009
Daytime Records
    92.7°F on: Aug 04 2010   16.9°F on: Jan 16 2009
Nitetime Records
  84.6°F on: Aug 05 2010 14.2°F on: Jan 16 2009
Chandler Burning Index
Chandler Burning Index: LOW
3.3
at 22:10
1 THWS combines Temp-Humidity-Wind-Solar for a true "feels like" temp.   7 Estimation of H2O needed to replace that used by plants and evaporation. (neg value = water needed, positive = excess)
 Inside 24
Frontal Movement Graph
  -Sudden drops in OAT, Baro, and DP indicate cold fronts, collapsing t-storms, and squalls. Cold Front
    winds will shift to W and NNW. Warm Front passage is a slow increase in OAT before the front,
    winds from SE, followed by a more rapid increase in OAT and DP and winds shifting SW.
  -Fog usually occurs when OAT/DP are w/in about 1.3°F of each other and winds are <4mph.
Graphic: Temp Sparkline Graph Graphic: Barometer Sparkline Graph Graphic: Wind Gust Sparkline Graph
 WXSIM/MadALwx Forecast  -   This afternoon's and Tonight's Outlook
This
afternoon
Clear
Clear
High: 83°
WXSIM Forecast: Clear. High 83°. UV index up to 5. Wind north-northwest around 4 mph.
Tonight

Clear
Clear
Low: 56°
WXSIM forecast: Clear. Low 56°. Wind north-northeast around 2 mph in the evening, becoming east-southeast after midnight.
 WXSIM/MadALwx Short Term Forecast
Tonight

Clear
Clear
Low: 56°
Monday

Sunny
Sunny
High: 90°
Monday
night
Clear
Clear
Low: 63°
Tuesday

Showers storms
Showers storms
High: 91°
Tuesday
night
Intermittent rain
Intermittent rain
Low: 68°
Wednesday

Chance rain
Chance rain
High: 80°
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Low: 68°
Thursday

Mostly Cloudy
Mostly Cloudy
High: 85°
Version 4.10 25-Sep-2009 - Script Modification/Additions by: WebsterWeatherLIVE.com
Full Forecast
NWS Graphicast

WXSIM Risk has been made possible using scripts written by Jordan Gerth.  Obtain these scripts for your web site.
Icons by Axialis Team,  Sparkline Wx Graphs by: TNETWeather.com,  Wx Icons by: Mantangi Wx