National Weather Service United States Department of Commerce

This is the home page for emergency managers to do a self briefing.  For information on a particular hazard, just click on the appropriate tab below.

Experimental Graphical Hazardous Weather Outlook

Click here to request and/or monitor Spot forecasts issued by our Forecast Offices and National Centers.

Click here to request weather support for a public event (For Emergency Manager or Public Safety Official only)

24-hour Day 1 Minimum Relative Humidity

Today's Minimum Relative Humidity

Map displays 24 hour minimum relative humidity values for Day 1.

Map is updated every time the forecaster issues a new forecast.

24 Hour Day 2 Minimum Relative Humidity
 

Tomorrow's Minimum Relative Humidity

Map displays 24 hour minimum relative humidity values for Day 2.

Map is updated every time the forecaster issues a new forecast.

       

Storm Prediction Center Fire Outlook Day 1
Day 1 Fire Weather Discussion

Today's Outlook

The Day 1 Outlook covers the 24-hour period from 12Z on the morning of product issuance to 12Z the following morning, with the update covering the 19-hour period from 17Z at issuance to 12Z the following morning.

Storm Prediction Center Fire Outlook Day 2
Day 2 Fire Weather Discussion

Tomorrow's Outlook

The Day 2 Outlook covers the following 24-hour period after Day 1 out to 48 hours. The Day 2 Fire Weather Outlook is scheduled for issuance at 10Z and is updated at 20Z.

       
Storm Prediction Center Fire Outlook Days 3-8
Day 3-8 Fire Wx Discussion

Day 3-8 Outlook

The Day 3-8 Outlook covers the period of 48 to 192 hours from 12Z on the morning of product issuance. The Day 3-8 Fire Weather Outlook is scheduled for issuance at 22Z.

Short Range Ensemble Forecast (SREF) Products
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Short-Range Ensemble Forecast (SREF)

Short-Range Ensemble Forecast  is produced by postprocessing the 21 members NCEP SREF plus the operational WRF-NAM for a total of 22 members. Special emphasis is placed on high-impact, mesoscale guidance including fire weather.

       

Weather Hazards Map
Hazards Assessment

Weather Hazards

Map displays active watch, warnings, advisories and short term forecasts in the lower 48 states. Map automatically refreshes every five minutes.

Loop of sea-level pressures and fronts through day 7

Surface Analysis

The Weather Prediction Center (WPC) produces surface maps which depicts the analysis of  highs, lows, fronts, troughs, outflow boundaries, squall lines, and drylines.