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Slow System Impacts Southern California and Southwest; Severe Weather Threats Over The East

A slow moving storm system will deliver heavy mountain snow and rainfall to southern California and the Desert Southwest through late week. The locally heavy rainfall may pose a flash flood risk, especially to burn scar locations. Severe thunderstorms capable of damaging winds, large hail, and isolated tornadoes will be possible from the Great Lakes and Ohio Valley into the Mid-Atlantic today. Read More >

 
 

EM 

Briefing PageSevere Weather

Winter Weather 

Briefing PageWinter Weather

EM 

Briefing PageEM Briefing

Heavy Rain/Flooding 

Briefing PageHeavy Rainfall

Tropical Weather 

Briefing PageTropical Weather

24 Hour Total Precipitation

Storm Total Precipitation Forecast Two Day Total Precipitation
  • 24 Hour QPF
  • Storm Total QPF
  • Two Day QPF

 

WPC Excessive Rainfall Outlooks (Details)

Day 1 Day 2 Day 3
Day 1 Excessive Rainfall Outlook Day 2 Excessive Rainfall Outlook Day 3 Excessive Rainfall Outlook
Mesoscale Precipitation Discussions
                                                   Active Mesoscale Precipitation Discussions

 

Precipitation Accumulation Forecast (click on thumbnails to display below)

6 Hourly Quantitative Precipitation Forecast
  • 0-6 Hourly QPF
  • 6-12 Hourly QPF
  • 12-18 Hourly QPF
  • 18-24 Hourly QPF
 

Probability of Precipitation (PoP) (click on thumbnails to display below)

6 Hourly Probability of Precipitation
  • 0-6 Hourly PoP
  • 6-12 Hourly PoP
  • 12-18 Hourly PoP
  • 18-24 Hourly PoP

 

Main Stem River Observations and Forecasts:

Weather Prediction Center Quantitative Precipitation Forecasts

NWS GSP Data: River & Lake Levels and Forecasts | 24 Hour Observed Precipitation Through 7 AM

Radar Loops: Local Radar (KGSP) | Southeast Radar Loop | National Radar Loop

NWS GSP Text Products: Flood Watch / Flash Flood Watch (FFA) -- FFA Map

Flash Flood Warning | Flood Warning | Flood Watch |
Local Storm Reports | Hazardous Weather Outlook | Area Forecast Discussion | Public Information Statement |