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Monday, March 10, 2014

RED FLAG FOR STRONG WINDS AND LOW RELATIVE HUMIDITY LOWER COLORADO RIVER VALLEY



URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
442 AM PDT MON MAR 10 2014

A COLD FRONT IS FORECAST TO MOVE SOUTH THROUGH THE REGION TONIGHT.
STRONG NORTHERLY WINDS ALONG WITH DRIER AIR WILL DEVELOP BEHIND THE
FRONT.

LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
442 AM PDT MON MAR 10 2014 /442 AM MST MON MAR 10 2014/

...RED FLAG WARNING IN EFFECT FROM 10 AM PDT /10 AM MST/ TO 9 PM
PDT /9 PM MST/ TUESDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 101. ..229 AND 466. ..

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG
WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM 10 AM PDT /10 AM MST/ TO 9 PM PDT /9 PM MST/ TUESDAY.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 101 LAKE MEAD
  NRA/COLORADO RIVER-AZ SIDE. IN CALIFORNIA...FIRE WEATHER ZONE
  229 LOWER COLORADO RIVER VALLEY. IN NEVADA...FIRE WEATHER ZONE
  466 LAKE MEAD NRA/COLORADO RIVER-NV SIDE.

* TIMING...GUSTY NORTH WINDS ARE EXPECTED BEHIND A COLD FRONT THAT
  IS FORECAST TO MOVE THROUGH THE REGION TONIGHT. WINDS ARE EXPECTED
  TO REALLY INCREASE TUESDAY MORNING IN THE COLORADO RIVER VALLEY
  SOUTH OF HOOVER DAM AND CONTINUE INTO TUESDAY EVENING. RELATIVE
  HUMIDITY VALUES WILL DROP BELOW 15 PERCENT LATE TUESDAY MORNING
  AND REMAIN BELOW 15 PERCENT UNTIL TUESDAY EVENING.

* WIND...NORTH WINDS 20 TO 35 MPH WITH GUSTS AROUND 45 MPH.

* HUMIDITY...10-15 PERCENT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS...LOW RELATIVE
  HUMIDITY AND DRY FUELS CAN CREATE CONDITIONS THAT ARE
  FAVORABLE FOR EXTREME FIRE BEHAVIOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS..

A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE FIRE
WEATHER OFFICIALS IN THE FIELD OF THIS RED FLAG WARNING.

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****REMINDER**** Every fire has the ability to be catastrophic. The wildland fire management environment has profoundly changed. Growing numbers of communities, across the nation, are experiencing longer fire seasons; more frequent, bigger, and more severe, fires are a real threat. Be careful with all campfires and equipment.
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