FNUS21 KWNS 271700
FWDDY1

DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1159 AM CDT WED JUL 27 2011

VALID 271700Z - 281200Z


....S-CNTRL KS...FAR NWRN OK...
16Z METAR/MESONET OBSERVATIONS CONFIRM TEMPERATURES FROM 98 TO 103
WITH RH VALUES OF 20 TO 30 PERCENT ALONG WITH SUSTAINED SURFACE
WINDS FROM 15 TO 20 MPH. WIND SPEEDS ARE EXPECTED TO REMAIN
RELATIVELY CONSTANT THROUGH THE AFTERNOON...BUT TEMPERATURES WILL
RISE TO BETWEEN 104 TO 110. THIS WILL RESULT IN RH VALUES OF 15 TO
20 PERCENT BECOMING COMMON...LEADING TO AN ENHANCED FIRE WEATHER
THREAT GIVEN SEVERE TO EXCEPTIONAL DROUGHT.

...GRAMS.. 07/27/2011

..PREV DISCUSSION... /ISSUED 0134 AM CDT WED JUL 27 2011/

....SYNOPSIS...
A BROAD UPPER TROUGH WILL PERSIST FROM THE CNTRL CANADIAN PROVINCES
SWWD INTO THE PACIFIC NORTHWEST. AS THE UPPER TROUGH SLOWLY SHIFTS
EWD...THE TRAILING PORTION OF A LOW LEVEL JET WILL LEAD TO AN
ENHANCED FIRE THREAT OVER PORTIONS OF THE CNTRL/SRN PLAINS. IN THE
NORTHEAST...AN UPPER TROUGH WILL CONTINUE TO SHIFT OFFSHORE.
MEANWHILE...AN UPPER HIGH WILL LINGER OVER THE SRN TWO THIRDS OF THE
NATION...WITH HOT TEMPERATURES AT THE SURFACE...AND ALLOWING WET
THUNDERSTORMS TO CONTINUE TO DEVELOP AROUND THE PERIPHERY OF THE
HIGH ACROSS THE SOUTHWEST...ERN GREAT BASIN...AND CNTRL ROCKIES.

....PORTIONS OF S CNTRL KS AND NWRN OK...
A LOW LEVEL JET ACROSS THE SRN HIGH PLAINS INTO THE UPPER MS VALLEY
WILL SPREAD ENEWD THROUGH THE AFTERNOON/EVENING...GRADUALLY
DECREASING OVER THE CNTRL/SRN PLAINS...BUT INCREASING INTO THE UPPER
MS VALLEY AND GREAT LAKES REGION. AT THE TAIL END OF THIS LOW LEVEL
JET...SUSTAINED SURFACE WINDS NEAR 15 TO 20 MPH WITH OCCASIONAL
GUSTS WILL ALIGN WITH HOT TEMPERATURES RANGING FROM 104 TO 110 F.
RELATIVE HUMIDITIES NEAR 20 TO 30 PERCENT...AND PERSISTENT DROUGHT
WILL LEAD TO AN ENHANCED FIRE THREAT.

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

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