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WWUS83 KBIS 221509
RFWBIS
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE BISMARCK ND
1009 AM CDT WED APR 22 2026
...RED FLAG WARNING FOR MOST WESTERN AND MUCH OF SOUTH CENTRAL
NORTH DAKOTA TODAY...
.CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR LATE THIS MORNING
AND INTO THIS EVENING ACROSS MOST OF WESTERN AND MUCH OF SOUTH
CENTRAL NORTH DAKOTA. MINIMUM RELATIVE HUMIDITY WILL FALL TO
AROUND 10 TO 15 PERCENT IN SOUTHWEST NORTH DAKOTA, AND AROUND
15 TO 20 PERCENT ACROSS THE NORTHWEST AND FAR SOUTH CENTRAL.
SOUTH TO SOUTHEAST WINDS WILL BE STRONGEST IN THE SOUTHERN JAMES
RIVER VALLEY WITH SUSTAINED SPEEDS AROUND 25 TO 30 MPH, AND 20 TO
25 MPH ELSEWHERE. GUSTS UP TO 40 MPH ARE POSSIBLE IN THE
NORTHWEST AND FAR SOUTH CENTRAL. ANY FIRES THAT IGNITE COULD
SPREAD RAPIDLY AND BECOME DIFFICULT TO CONTROL.
NDZ001-009-017>020-031>034-040>048-050-051-230200-
/O.CON.KBIS.FW.W.0002.260422T1600Z-260423T0200Z/
DIVIDE-WILLIAMS-MCKENZIE-DUNN-MERCER-OLIVER-GOLDEN VALLEY-
BILLINGS-STARK-MORTON-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-
EMMONS-LOGAN-LA MOURE-MCINTOSH-DICKEY-
1009 AM CDT WED APR 22 2026 /909 AM MDT WED APR 22 2026/
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR MOST OF
WESTERN AND MUCH OF SOUTH CENTRAL NORTH DAKOTA...
* WINDS...SOUTHEAST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.
* RELATIVE HUMIDITY...AS LOW AS 10 PERCENT.
* AFFECTED AREA...MOST OF WESTERN AND MUCH OF SOUTH CENTRAL
NORTH DAKOTA.
* IMPACTS...ANY FIRES THAT IGNITE WILL SPREAD RAPIDLY AND BECOME
DIFFICULT TO CONTROL OR SUPPRESS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS AND LOW RELATIVE HUMIDITY CAN CONTRIBUTE TO EXTREME
FIRE BEHAVIOR.
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