National Weather Service United States Department of Commerce

Severe thunderstorms and heavy rain possible for portions of the southern and central plains and the lower Great Lakes. Hot conditions in the Northwest.

scattered to numerous showers and thunderstorms are expected across portions of the central and southern plains and across portions of the lower Great Lakes. Some thunderstorms may be severe with damaging winds and large hail. Hot and dry conditions are expected in the Northwest. High temperatures today and Friday will be 10 to 20 degrees above average across western Washington and Oregon. Read More >

You may use the NEW SEVERE WEATHER REPORTING web page:

We also monitor: Facebook and Twitter use hashtag: #CTPWX

The BEST/MOST RELIABLE OPTION is to

call us directly at 814.231.2408

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

See a video on how to properly measure snowfall


Skywarn Spotter LogoLearn more about SKYWARN™. Skywarn Spotter Logo

Skywarn™ Spotters: Please use the 800 number printed on your Skywarn™ Spotter ID card

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: