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Issued by NWS Denver/Boulder, CO

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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
600 AM MDT SAT APR 25 2009

...SEVERE WEATHER AWARENESS WEEK IN REVIEW...

SEVERE WEATHER AWARENESS WEEK IN COLORADO CONCLUDES TODAY. DURING
THE PAST WEEK WE HAVE PRESENTED INFORMATION AND SAFETY RULES FOR
TORNADOES...LIGHTNING AND WILDFIRES...FLOODS AND FLASH FLOODS...
STRAIGHT-LINE THUNDERSTORM WINDS...HAIL...AND NOAA`S NATIONAL
WEATHER SERVICE WARNING PROGRAM.

WE WILL NOW REVIEW SOME OF THE MOST IMPORTANT INFORMATION AND
SAFETY RULES.

BE WEATHERWISE BY STAYING INFORMED ON EXPECTED WEATHER IN YOUR
AREA. NOAA`S NATIONAL WEATHER SERVICE IS TYPICALLY AWARE OF THE
POTENTIAL FOR SEVERE WEATHER MANY HOURS OR EVEN DAYS BEFORE ANY
SEVERE WEATHER WATCHES OR WARNINGS ARE ISSUED...PROVIDING FORECAST
PRODUCTS TO HEIGHTEN YOUR AWARENESS. A HAZARDOUS WEATHER OUTLOOK
IS ISSUED DAILY WITH INFORMATION ON POSSIBLE HAZARDOUS WEATHER
DURING THE NEXT SEVEN DAYS. A WATCH IS ISSUED WHEN CONDITIONS FOR
SEVERE WEATHER OR FLOODING BECOME POSSIBLE. IN CONTRAST...A WARNING
IS ISSUED WHEN LIFE THREATENING CONDITIONS ARE OCCURRING OR
IMMINENT.

TORNADOES...
THE BEST WAY TO PROTECT YOURSELF FROM TORNADOES IS TO HAVE A PLAN
OF ACTION. THE SAFEST PLACE TO BE IF A TORNADO APPROACHES IS
IN A BASEMENT WITHIN A WELL-BUILT STRUCTURE...A SAFE ROOM...
OR IN AN UNDERGROUND STORM SHELTER. IF NONE OF THESE OPTIONS ARE
AVAILABLE...MOVE TO A HALLWAY OR A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR...USUALLY THIS IS A CLOSET OR BATHROOM. GET UNDER A HEAVY PIECE
OF FURNITURE OR IN A BATH TUB AND COVER YOURSELF WITH BLANKETS.
REMEMBER...THE GREATEST RISK OF INJURY FROM TORNADOES IS FROM FLYING
DEBRIS.

MODULAR HOMES AND MOBILE HOMES...EVEN THOSE TIED DOWN...OFFER LITTLE
PROTECTION FROM TORNADOES. IF A TORNADO APPROACHES...YOU SHOULD
LEAVE THESE LOCATIONS AND SEEK SAFETY IN A NEARBY BUILDING OR STORM
SHELTER.

IF YOU ARE DRIVING IN OPEN COUNTRY AND SEE A TORNADO...IF TIME
PERMITS...THE BEST THING TO DO IS SIMPLY DRIVE AWAY FROM THE TORNADO
PATH. DO NOT TAKE SHELTER BENEATH A HIGHWAY OVERPASS. WIND SPEEDS MAY
ACTUALLY BE HIGHER IN THESE AREAS AND ARE OFTEN COLLECTION POINTS FOR
DEBRIS. IF YOU ARE IN AN AUTOMOBILE AND A TORNADO IS FAST
APPROACHING...MOVE AWAY FROM YOUR VEHICLE...LIE FACE DOWN IN A
DITCH...AND COVER YOUR HEAD. AS A LAST RESORT...IF YOU ARE CAUGHT
OUTSIDE AND CANNOT SEEK SHELTER INSIDE A STURDY STRUCTURE...CRAWL
INTO A CULVERT OR LIE DOWN IN A NARROW DITCH OR RAVINE AND COVER YOUR
HEAD.

LIGHTNING AND WILDFIRES...
IN THE LAST 25 YEARS...LIGHTNING HAS KILLED AND INJURED MORE PEOPLE
IN COLORADO THAN ANY OTHER THUNDERSTORM HAZARD. LIGHTNING ALSO
CAUSES MANY WILDFIRES...ESPECIALLY FROM THUNDERSTORMS WITH LITTLE OF
NO RAIN.

THE BEST DEFENSE TO PROTECT YOURSELF AGAINST A LIGHTNING STRIKE IS TO
PLAN AHEAD AND AVOID BEING CAUGHT WHERE YOU MIGHT BE VULNERABLE.
CHECK WEATHER FORECASTS PRIOR TO VENTURING OUT...ESPECIALLY IF
YOU ARE HEADING INTO THE MOUNTAINS. PLAN YOUR OUTDOOR ACTIVITIES
EARLY IN THE DAY BEFORE THUNDERSTORMS DEVELOP.

IT IS RECOMMENDED THAT YOU WAIT AT LEAST 30 MINUTES AFTER THE
LAST SOUND OF THUNDER BEFORE RESUMING OUTDOOR ACTIVITIES. STAY OFF
CORDED TELEPHONES...AWAY FROM ELECTRICAL DEVICES...AND AWAY FROM
PLUMBING. ALSO GET OUT OF SHOWER STALLS...BATH TUBS...SWIMMING POOLS
AND LAKES WHEN LIGHTNING IS NEARBY.

IF THUNDERSTORMS THREATEN...SEEK SHELTER IN A BUILDING OR IN AN
ENCLOSED METAL ROOF VEHICLE...MAKING SURE ALL WINDOWS AND DOORS ARE
CLOSED. NEVER SEEK SHELTER UNDER AN ISOLATED TREE. WHEN THUNDER
ROARS...GO INDOORS.

FLOODS AND FLASH FLOODS...
WHEN FLOODING OR FLASH FLOODING IS POSSIBLE...YOU SHOULD REMAIN
ALERT AND BE READY TO EVACUATE TO HIGHER GROUND OR CLIMB TO SAFETY
AT A MOMENTS NOTICE. FLASH FLOODS OFTEN OCCUR SUDDENLY AND WITHOUT
WARNING. YOU NEED TO FOLLOW SOME BASIC FLOOD SAFETY RULES...

DO NOT CAMP OR PARK YOUR VEHICLE ALONG STREAMS AND WASHES...
PARTICULARLY DURING THREATENING CONDITIONS. IF YOU ARE NEAR A
RIVER...BE AWARE OF WATER LEVELS AND BE PREPARED TO MOVE TO HIGHER
GROUND IF RIVER LEVELS RISE. DO NOT ENTER AREAS THAT ARE ALREADY
FLOODED. DO NOT TRY TO CROSS A FLOWING STREAM ON FOOT WHEN THE
WATER IS AT OR ABOVE YOUR KNEES. IF WALKING OR FISHING ALONG A
RIVER...BE AWARE THAT EROSION FROM SWIFT RUNNING WATER CAN CAUSE
RIVER BANKS TO COLLAPSE. NEVER LET YOUR CHILDREN PLAY AROUND HIGH
WATER...STORM DRAINS...VIADUCTS OR ARROYOS.

NEARLY HALF OF ALL FLASH FLOOD FATALITIES ARE VEHICLE RELATED.
WHILE DRIVING YOUR AUTOMOBILE...LOOK OUT FOR FLOODING AT HIGHWAY
DIPS...BRIDGES AND LOW AREAS. ONE TO TWO FEET OF MOVING WATER WILL
CARRY AWAY MOST AUTOMOBILES. NEVER ATTEMPT TO DRIVE ACROSS A FLOODED
ROAD. AND BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS DIFFICULT TO SEE
FLOOD DANGERS.

STRONG STRAIGHT-LINE WINDS...
STRAIGHT-LINE WINDS FROM THUNDERSTORMS...INCLUDING MICROBURSTS...CAN
BECOME QUITE STRONG...EVEN REACHING SPEEDS IN EXCESS OF 100 MPH IN
EXTREME CASES. WHEN THUNDERSTORMS APPROACH...HIGH WINDS CAN SUDDENLY
DEVELOP...CAUSING THINGS ON THE GROUND TO BECOME SWIFT MOVING
AIRBORNE MISSILES WITH A POTENTIAL FORCE TO INJURE OR KILL. AS WITH
ANY THUNDERSTORM...SEEK SHELTER BEFORE THE STORM ARRIVES.

HAIL...
LARGE HAIL CAN POSE A DANGER TO ANIMALS AND PEOPLE. HAIL ALSO
PRODUCES CONSIDERABLE DAMAGE TO CROPS AND PERSONAL PROPERTY EACH
YEAR IN COLORADO. AGAIN...GET INDOORS BEFORE THUNDERSTORMS ARRIVE.
A FALL OF SMALL HAIL CAN SUDDENLY CHANGE TO A FALL OF VERY LARGE ICE
MISSILES WHICH CAN INJURE OR KILL. MAKE EFFORTS TO PROTECT PERSONAL
PROPERTY BEFORE THUNDERSTORMS THREATEN.

WHEN THUNDERSTORMS THREATEN...TUNE TO NOAA WEATHER RADIO ALL
HAZARDS...THE WEATHER CHANNEL...OR YOUR LOCAL RADIO OR TELEVISION
STATIONS. ALSO CHECK THE INTERNET WEB SITE FROM THE NATIONAL WEATHER
SERVICE OFFICE SERVING YOUR AREA.  DURING THREATENING WEATHER DAYS...
PLAN THE ACTIONS YOU WILL NEED TO TAKE SO THAT YOU WILL BE PREPARED
IF DANGEROUS WEATHER CONDITIONS ACTUALLY DEVELOP.

NOAA`S NATIONAL WEATHER SERVICE WISHES YOU A SAFE SEVERE WEATHER
SEASON.

JIM PRINGLE
WARNING COORDINATION METEOROLOGIST
NOAA NATIONAL WEATHER SERVICE
GRAND JUNCTION CO





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  • Page Author: BOU Webmaster
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  • Page last modified: Aug 26th, 2008 18:04 UTC
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