Public Information Statement
Issued by NWS Cleveland, OH

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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
525 PM EST TUE MAR 24 2015

...PENNSYLVANIA SEVERE WEATHER AWARENESS WEEK...

THIS IS SEVERE WEATHER AWARENESS WEEK IN PENNSYLVANIA.

NOW IS THE TIME TO PREPARE FOR THE UPCOMING SEVERE WEATHER SEASON.

WE ARE COVERING A DIFFERENT SAFETY TOPIC EACH DAY OF THIS WEEK.

OUR SEVERE WEATHER AND WEATHER SAFETY TOPIC FOR TODAY IS...
SEVERE THUNDERSTORMS.

WE WILL COVER WHAT CLASSIFIES A THUNDERSTORM AS SEVERE...AND
 WHAT THE DIFFERENCES ARE BETWEEN A SEVERE THUNDERSTORM WATCH
AND A SEVERE THUNDERSTORM WARNING.  WE WILL ALSO GIVE YOU
INFORMATION ON WHAT TO DO WHEN A WATCH OR WARNING IS ISSUED
FOR YOUR AREA.

WHAT IS A SEVERE THUNDERSTORM?

A THUNDERSTORM IS CONSIDERED SEVERE IF IT PRODUCES WIND GUSTS
OF 58 MILES AN HOUR OR HIGHER...AND/OR HAIL ONE INCH IN
DIAMETER OR LARGER. THOSE HAILSTONES ARE ABOUT THE SIZE OF A
QUARTER. SEVERE THUNDERSTORMS ARE OFTEN ACCOMPANIED BY
TORRENTIAL DOWNPOURS AND FREQUENT LIGHTNING. THEY CAN ALSO
PRODUCE BRIEF...WEAK TORNADOES. THE DAMAGE FROM THE STRONG WIND
GUSTS OF A SEVERE THUNDERSTORM CAN BE JUST AS BAD AS THE DAMAGE
MADE BY A TORNADO. SEVERE THUNDERSTORMS ARE MUCH MORE COMMON
THAN TORNADOES. OVER 600 SEPARATE INCIDENTS OF DAMAGING WINDS
AND LARGE HAIL DUE TO SEVERE THUNDERSTORMS WERE REPORTED IN
PENNSYLVANIA DURING 2010.

WHAT IS A SEVERE THUNDERSTORM WATCH?

A SEVERE THUNDERSTORM WATCH IS ISSUED IN ORDER TO ALERT YOU THAT
THUNDERSTORMS WITH DAMAGING WINDS AND LARGE HAIL ARE EXPECTED TO
DEVELOP CLOSE TO YOUR LOCATION. A WATCH BY ITSELF DOES NOT MEAN
THAT SEVERE WEATHER IS ACTUALLY OCCURRING YET...IT MEANS THAT
SEVERE WEATHER IS EXPECTED TO HAPPEN CLOSE BY. A SEVERE
THUNDERSTORM WATCH USUALLY COVERS AN AREA AS LARGE AS A STATE...
AND IS IN EFFECT FOR SEVERAL HOURS...EXPIRING ONLY WHEN THE
THUNDERSTORMS ARE EXPECTED TO END.

WHAT SHOULD YOU DO WHEN A SEVERE THUNDERSTORM WATCH IS ISSUED?

GO ABOUT YOUR NORMAL ACTIVITIES...BUT WATCH THE SKY AROUND YOU
FOR DEVELOPING STORMS. PERIODICALLY CHECK NOAA WEATHER RADIO OR
OTHER MEDIA OUTLETS FOR FORECAST UPDATES AND POSSIBLE WARNINGS.
KNOW WHICH COUNTY YOU LIVE IN...AND WHICH ONES BORDER YOUR
COMMUNITY. THINK OF A SAFE PLACE TO BE AND PLAN A ROUTE WHICH
YOU CAN USE TO GET THAT SAFE PLACE QUICKLY.

WHAT IS A SEVERE THUNDERSTORM WARNING?

A SEVERE THUNDERSTORM WARNING MEANS A SEVERE THUNDERSTORM
IS OCCURRING AND IS GOING TO MOVE THROUGH YOUR LOCATION SOON.
IT IS YOUR SIGNAL THAT YOU WILL NEED TO TAKE QUICK ACTION TO
PROTECT YOUR LIFE AND PROPERTY.  SEVERE THUNDERSTORM WARNINGS
ARE ISSUED BY THE NATIONAL WEATHER SERVICE WHEN METEOROLOGISTS
DETECT A SEVERE THUNDERSTORM USING DOPPLER RADAR OR WHEN DAMAGE
 HAS BEEN REPORTED BY SKYWARN WEATHER SPOTTERS.

TYPICALLY...A SEVERE THUNDERSTORM WARNING WILL BE ISSUED FOR
AN AREAAS BIG AS A COUNTY OR TWO...AND FOR A PERIOD OF UP TO
 ONE HOUR. IN THE TEXT OF THE WARNING STATEMENT...WE TRY TO
MAKE A SPECIFIC LIST OF TOWNS THAT ARE LIKELY TO BE IN THE
PATH OF THE STORM. YOU SHOULD LISTEN TO HEAR IF COMMUNITIES
OR LANDMARKS NEAR YOU ARE MENTIONED IN THE WARNING.

WHAT SHOULD YOU DO WHEN A SEVERE THUNDERSTORM WARNING IS
ISSUED FOR YOUR LOCATION?

IF YOU ARE OUTDOORS...GET INSIDE YOUR HOME...A STRONG BUILDING...
OR IN YOUR CAR. BOATERS SHOULD HEAD TO SHORE IMMEDIATELY.

WHEN INDOORS...GO TO AN INTERIOR ROOM ON THE LOWEST LEVEL.
STAY AWAY FROM WINDOWS AND EXTERIOR DOORS. DO NOT USE ELECTRICAL
APPLIANCES AND AVOID USING THE TELEPHONE...AS LIGHTNING CAN
TRAVEL THROUGH ELECTRICAL AND TELEPHONE LINES.

IF YOU ARE DRIVING...SAFELY PULL OVER TO THE SIDE OF THE ROAD
 UNTIL THE STORM PASSES. HEAVY RAIN FALLING FROM ANY THUNDERSTORM
CAN FLOOD ROADS QUICKLY...SO NEVER TRY TO DRIVE THROUGH AN AREA
WHERE WATER COVERS THE ROAD...EVEN IF YOU THINK IT IS SHALLOW.
WATER MAY SWEEP YOUR VEHICLE AWAY IF YOU ATTEMPT TO DRIVE
THROUGH IT.

FOR ADDITIONAL THUNDERSTORM AND SEVERE WEATHER SAFETY
INFORMATION CHECK OUT OUR WEB PAGE AT:

WEATHER.GOV/CLE...ALL IN LOWER CASE

OUR WEATHER SAFETY TOPICS FOR THE REST OF THE WEEK WILL BE...
WEDNESDAY...FLASH FLOOD SAFETY.
THURSDAY...RIVER FLOOD SAFETY.
FRIDAY...SKYWARN SEVERE WEATHER SPOTTERS.

$$


GARNET





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