Fire Weather Outlook Discussion
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FNUS22 KWNS 231809
FWDDY2

DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0109 PM CDT THU MAY 23 2013

VALID 241200Z - 251200Z

...CRITICAL FIRE WEATHER AREA FOR SRN NV...EXTREME SRN UT...NRN
AZ...W-CNTRL/NW NM...

...SRN NV...EXTREME SRN UT...NRN AZ...W-CNTRL/NW NM...
MODELS INDICATE STRONGER WINDS MAY EXTEND FURTHER SOUTH INTO ARIZONA
SO HAVE SLIGHTLY ADJUSTED THE CRITICAL AREA A LITTLE FURTHER SOUTH
IN ARIZONA AND WITH MOISTURE RETURNING TO EASTERN NEW MEXICO...HAVE
TRIMMED EASTERN PTN OF CRITICAL AREA IN CNTRL NEW MEXICO BACK A
LITTLE. OTHERWISE NO CHANGE TO THE CRITICAL AREA.

...CNTRL MTNS OF NEW MEXICO...
A MIX OF WET AND DRY THUNDERSTORMS MAY OCCUR FROM THE N-CNTRL
THROUGH S-CNTRL MTNS OF THE CENTRAL THIRD OF NEW MEXICO.  THIS AREA
WILL BE ON THE WESTERN EDGE OF THE MOISTURE.  CURRENT GUIDANCE SHOWS
A TREND FOR A SIGNIFICANT INCREASE IN LOWER-LEVEL MOISTURE MAKING IT
INTO THE CENTRAL/HIGHER ELEVATION AREA OF NEW MEXICO ON FRIDAY.
SUB-CLOUD HUMIDITY SHOULD BE IN THE 30 TO 40 PERCENT RANGE ALONG
WITH LOWER CLOUD BASE HEIGHTS.  GIVEN THE EXCEPTIONAL DROUGHT AND
DRY FUELS... LIGHTNING...ESPECIALLY OUTSIDE THE MAIN STORM CORE OF
PRECIPITATION COULD CAUSE PROBLEMS FROM A MIX OF WET AND DRY STORMS.

EASTERN NEW MEXICO INTO THE TEXAS PANHANDLE WILL SEE MAINLY STORMS
WITH WETTING RAINS.

...SRN AZ...SW NM...PORTIONS OF SRN/CNTRL NV AND SRN UT...
NO CHANGE.

..BOTHWELL.. 05/23/2013

.PREV DISCUSSION... /ISSUED 0246 AM CDT THU MAY 23 2013/

...SYNOPSIS...
...SRN NV...EXTREME SRN UT...NRN AZ...W-CNTRL/NW NM...
A SHORTWAVE IMPULSE MIGRATING THROUGH PAC NW UPPER LOW WILL CONTINUE
TO LIFT NWD ON FRIDAY ACROSS THE NRN ROCKIES. FURTHER S...ENHANCED
DEEP LAYER FLOW WILL CONTINUE ACROSS THE SOUTHWEST DESERTS AND GREAT
BASIN. AS HIGH TEMPERATURES CLIMB INTO THE 80S AND 90S...DEEP MIXING
OF AN ALREADY DRY BOUNDARY LAYER WILL OCCUR AND RH VALUES ARE
EXPECTED TO FALL INTO THE SINGLE DIGITS. SW WINDS INCREASING TO
20-25 MPH WITH GUSTS TO 35 MPH ARE ALSO EXPECTED ACROSS THE CRITICAL
AREA.

...SRN AZ...SW NM...PORTIONS OF SRN/CNTRL NV AND SRN UT...
SURROUNDING THE CRITICAL AREA...MORE MARGINAL CONDITIONS ARE
EXPECTED DUE TO LIGHTER S/SW WINDS FROM 10-15 MPH WITH OCCASIONALLY
HIGHER GUSTS. RH VALUES WILL RANGE FROM 6-12 PERCENT AREA-WIDE AS
TEMPERATURES WARM INTO THE UPPER 70S NORTH TO UPPER 90S SOUTH.

...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...




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