Hazardous Weather Potential

[Ted Jacobson]

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
335 AM EDT MON MAY 11 2015

THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS ON LATE THIS AFTERNOON
AND EARLY EVENING. DAMAGING WINDS WILL BE THE PRIMARY THREAT.
(See below for "Slight Risk" definition)

Maps, Graphics, Technical Discussion:
http://www.spc.noaa.gov/products/outlook/

Athens OH 7-Day Forecast (updates 4-5 times daily):
http://climate.athens.oh.us/Athens-7Day/

...DISCUSSION...

AN APPROACHING COLD FRONT WILL BRING AN INCREASING CHANCE FOR SHOWERS
AND THUNDERSTORMS FOR THE MIDDLE OHIO VALLEY AND CENTRAL APPALACHIANS
THIS AFTERNOON...SIGNALING AN END TO OUR SUMMER PREVIEW. SOME STORMS
COULD BE STRONG TO SEVERE...PARTICULARLY ACROSS THE MIDDLE OHIO VALLEY
DURING THE EARLY EVENING. A HIGH PRESSURE SYSTEM WILL BUILD IN ON
TUESDAY...PROVIDING DRIER AND MORE SEASONABLE WEATHER FOR MID WEEK.
CHANCES FOR PRECIPITATION WILL RETURN FOR FRIDAY INTO THE WEEKEND...
AS A LOW PRESSURE SYSTEM MOVES NORTH OF THE REGION.

----[ Severe Storm 'Risk Categories' ]-------------------------

For Day 1, the "Slight Risk" category means:
 - 5% tornado probability, or
 - 15% severe hail or severe wind probability WITH OR WITHOUT
   10% or greater probability of hail 2 inches or greater in diameter,
   or wind gusts 75 mph or greater.

Categories Details: http://www.spc.noaa.gov/exper/dy1-3example/

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The "StormFlood" Listserv is a regional preparedness and
planning partnership made possible by funding from
Ohio University Risk Management and Safety
http://www.ohio.edu/riskandsafety/

Affiliated web services:

Southeast Ohio Flood Potential Monitoring page:
http://seorf.ohiou.edu/xx073/floodprep.html

Athens Co. OH Community Collaborative Rain, Hail and Snow Network:
http://climate.athens.oh.us/oh-at/

Athens Ohio Climatological Data Archive (7/2002-3/2012):
http://climate.athens.oh.us/

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