National Weather Service United States Department of Commerce

Heavy rain from the central Gulf Coast to Southeast U.S. this weekend

Heavy rain is expected from eastern Texas across the Lower Miss. Valley to the Southeast U.S. this weekend. This rain could lead to flash flooding. Meanwhile, heavy rain will also spread into the Northwest U.S., with heavy snow in the higher elevations of the Cascades and northern Rockies. Read More >

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e:mail severe weather reports and snowfall measurements to:
ctp.stormreports@noaa.gov

See a video on how to properly measure snowfall


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LATEST REPORTS / SUMMARIES:


Please Report:

We ask our SkyWarn™ Spotters to contact our office when they experience any of the events listed below.

Cold-Season (Winter) criteria:

  • Snowfall
    • When (new) snow accumulation reaches 3 inches
    • When (new) snow accumulation reaches 6 inches
    • Give a final report/total at the end of the storm (water equivalent if possible)
    • 1 inch per hour or greater accumulation rates
  • Ice
    • Any occurrance, or accumulation, of freezing rain
    • Accumulation of 1/4" or more of ice on trees/wires
  • General Winter Reports
    • When forecast winter precipitation differs significantly from observed (i.e. snowing with no snow in forecast, sleet...when only snow is forecast...)
    • Any other significant weather occurrence/oddity (i.e. flooding due to snow melt/ice jam, damage from strong winds not associated with a thunderstorm)

Warm-season (Thunderstorms) criteria:

  • Tornadoes or funnel clouds (be very wary of look-alikes; watch for rotation)
  • Wall clouds, especially if they are rotating
  • Hail (Please be specific with regard to size)
    Other sizes/descriptions to use for hail:
    
    * Pea 0.25 inch
    
    * Penny 0.75 inch
    
    * Nickel 0.88 inch
    
    * Quarter 1.00 inch (15/16")
    
    * Half dollar 1.25 inch
    
    * Walnut/Ping Pong 1.50 inch
    
    * Golf ball 1.75 inch
    
    * Lime 2.00 inches
    
    * Tennis Ball 2.50 inches
    
    * Baseball 2.75 inches
    
    * Large Apple 3.00 inches
    
    * Softball 4.00 inches
    
    * Grapefruit 4.50 inches
    
    • Quarter-Size (1") and larger is severe!
  • Wind Gusts (40 mph or greater; specify whether estimated or recorded)
    • large branches downed (specify diameter of branch)
    • Trees/power lines downed
    • Structural damage to buildings (roof, windows, etc.)
  • Rainfall
    • 1 inch or greater in an hour (NOT a 1"/hr. rate for 10 minutes)
    • 2 inches or greater storm total
  • Flooding
    • Streams/Rivers -- also, when nearing bankfull
    • Street (when more than the usual poor drainage puddles)

 

All NWS State College Text Statements/Forecasts: