Alert archive / Wyoming / Red Flag Warnings in 2015

Red Flag Warning 13, NWS Cheyenne, WY

July 26, 2015

NWS Cheyenne, WY issued this red flag warning at Jul 26, 2015, 1:50 PM MDT. It took effect at Jul 27, 2015, 9:00 AM MDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 26, 2015, 1:50 PM MDT (19:50 UTC)
In effect from
Jul 27, 2015, 9:00 AM MDT
Expired
Jul 27, 2015, 8:00 PM MDT
In force
11 hr
Issued by
NWS Cheyenne, WY

The text

As transmitted, in the capitals the NWS used until 2016.

737 
WWUS85 KCYS 261950
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
150 PM MDT SUN JUL 26 2015

...RED FLAG WARNING TODAY FOR FIRE WEATHER ZONE 304 IN SOUTH
CENTRAL WYOMING...

...RED FLAG WARNING IN EFFECT FOR FWZ 301...302...304 AND 310
IN SOUTHEAST WYOMING MONDAY FOR STRONG WINDS AND VERY LOW
HUMIDITIES...

.MARGINAL CRITICAL FIRE CONDITIONS TODAY FOR WESTERN PORTIONS OF
CONVERSE COUNTY AND WESTERN PORTIONS OF CARBON COUNTY IN
SOUTHEAST WYOMING THROUGH SUNSET TODAY. A MORE WIDESPREAD
CRITICAL FIRE WEATHER DAY EXPECTED MONDAY AS WINDS BEGIN TO
INCREASE THIS EVENING. STRONGER WINDS WILL RESULT IN POOR
OVERNIGHT HUMIDITY RECOVERIES ACROSS THE AREA. LOW HUMIDITIES WILL
COMBINE WITH STRONG WEST TO SOUTHWEST WINDS MONDAY AFTERNOON
PRODUCING CONDITIONS FAVORABLE FOR RAPID FIRE GROWTH. FREQUENT
WIND GUSTS OF 35 TO 45 MPH WILL BE COMMON MONDAY AFTERNOON OVER
HIGHER ELEVATIONS OF SOUTHEAST WYOMING WITH GUSTS OF 25 TO 35 MPH
INTO THE PLAINS.

WYZ304-271200-
/O.UPG.KCYS.FW.A.0009.150727T1500Z-150728T0200Z/
/O.NEW.KCYS.FW.W.0013.150727T1500Z-150728T0200Z/
/O.CON.KCYS.FW.W.0012.000000T0000Z-150727T0200Z/
SOUTHWEST CARBON-
150 PM MDT SUN JUL 26 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONE 304...

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 8 PM MDT MONDAY FOR
STRONG WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONE 304...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 9 AM TO 8 PM MDT MONDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 8 PM MDT
THIS EVENING. THE FIRE WEATHER WATCH FOR MONDAY HAS BEEN UPGRADED
TO A RED FLAG WARNING.

* AFFECTED AREA...FIRE WEATHER ZONE 304.

* WIND...WEST TO SOUTHWEST WINDS OF 15 TO 20 MPH WITH GUSTS TO
  30 MPH TODAY. STRONGER WESTERLY WINDS WILL BE IN PLACE 
  MONDAY. SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS OF 35 TO 
  45 MPH ARE LIKELY MONDAY.

* HUMIDITY...AFTERNOON HUMIDITIES OF 7 TO 12 PERCENT SHOULD BE 
  WIDESPREAD.

* IMPACTS...FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.

&&

$$

WYZ301-302-310-271200-
/O.UPG.KCYS.FW.A.0009.150727T1500Z-150728T0200Z/
/O.NEW.KCYS.FW.W.0013.150727T1500Z-150728T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
150 PM MDT SUN JUL 26 2015

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 8 PM MDT MONDAY FOR
STRONG WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 301...302
AND 310...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 9 AM TO 8 PM MDT MONDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* WIND...WESTERLY WINDS OF 15 TO 25 MPH SUSTAINED WITH GUSTS OF 30
  TO 35 MPH. WIND GUSTS IN EXCESS OF 40 MPH ARE EXPECTED FOR
  WESTERN 301 AND MOST OF 302 FOR MONDAY.

* HUMIDITY...POOR OVERNIGHT RECOVERIES EXPECTED TONIGHT AS WINDS
  INCREASE THROUGH THE OVERNIGHT HOURS. HUMIDITIES VALUES OF 7 TO
  10 PERCENT CAN BE EXPECTED AS EARLY AS 9 AM MONDAY.

* IMPACTS...FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES MAY
LEAD TO EXTREME FIRE BEHAVIOR.

&&

$$
4 follow-up statements
426 
WWUS85 KCYS 270159
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
759 PM MDT SUN JUL 26 2015

...RED FLAG WARNING IN EFFECT FOR FWZ 301...302...304 AND 310 IN
SOUTHEAST WYOMING MONDAY FOR STRONG WINDS AND VERY LOW
HUMIDITIES...

.A MORE WIDESPREAD CRITICAL FIRE WEATHER DAY EXPECTED MONDAY AS
WINDS BEGIN TO INCREASE LATE THIS EVENING. STRONGER WINDS WILL
RESULT IN POOR OVERNIGHT HUMIDITY RECOVERIES ACROSS THE AREA. LOW
HUMIDITIES WILL COMBINE WITH STRONG WEST TO SOUTHWEST WINDS MONDAY
AFTERNOON PRODUCING CONDITIONS FAVORABLE FOR RAPID FIRE GROWTH.
FREQUENT WIND GUSTS OF 35 TO 45 MPH WILL BE COMMON MONDAY
AFTERNOON OVER HIGHER ELEVATIONS OF SOUTHEAST WYOMING WITH GUSTS
OF 25 TO 35 MPH INTO THE PLAINS.

WYZ304-271200-
/O.EXP.KCYS.FW.W.0012.000000T0000Z-150727T0200Z/
/O.CON.KCYS.FW.W.0013.150727T1500Z-150728T0200Z/
SOUTHWEST CARBON-
759 PM MDT SUN JUL 26 2015

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR FIRE
WEATHER ZONE 304...

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM MDT
MONDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 304...

* AFFECTED AREA...FIRE WEATHER ZONE 304.

* WIND...SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS OF 35 TO 45
  MPH ARE LIKELY MONDAY.

* HUMIDITY...WIDESPREAD AFTERNOON HUMIDITIES OF 7 TO 12 PERCENT.

* IMPACTS...FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.

&&

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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES MAY
LEAD TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ301-302-310-271200-
/O.CON.KCYS.FW.W.0013.150727T1500Z-150728T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
759 PM MDT SUN JUL 26 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 8 PM MDT
MONDAY FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 301...302 AND 310...

* WIND...WESTERLY WINDS OF 15 TO 25 MPH SUSTAINED WITH GUSTS OF 
  30 TO 35 MPH. WIND GUSTS IN EXCESS OF 40 MPH ARE EXPECTED FOR 
  WESTERN 301 AND MOST OF 302 FOR MONDAY. 

* HUMIDITY...POOR OVERNIGHT RECOVERIES EXPECTED TONIGHT AS 
  WINDS INCREASE THROUGH THE OVERNIGHT HOURS. HUMIDITIES VALUES 
  OF 7 TO 10 PERCENT CAN BE EXPECTED AS EARLY AS 9 AM MONDAY. 

* IMPACTS...FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES MAY
LEAD TO EXTREME FIRE BEHAVIOR.

&&

$$
558 
WWUS85 KCYS 270811
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
211 AM MDT MON JUL 27 2015

...RED FLAG WARNING IN EFFECT FOR ZONES 301...302...304 AND 310
OF SOUTHEAST WYOMING FROM THIS MORNING THROUGH EARLY THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITIES...

.LOW HUMIDITIES WILL COMBINE WITH STRONG WEST TO SOUTHWEST WINDS
THIS AFTERNOON PRODUCING CONDITIONS FAVORABLE FOR RAPID FIRE GROWTH.
FREQUENT WIND GUSTS OF 35 TO 50 MPH WILL BE COMMON THIS AFTERNOON
OVER HIGHER ELEVATIONS OF SOUTHEAST WYOMING WITH GUSTS OF 25 TO 35
MPH INTO THE PLAINS. THE WINDS WILL DIMINISH AFTER SUNSET.

WYZ301-302-304-310-272315-
/O.CON.KCYS.FW.W.0013.150727T1500Z-150728T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF-SOUTHWEST CARBON-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
211 AM MDT MON JUL 27 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITIES IN FIRE
WEATHER ZONES 301...302...304 AND 310...

* WIND...WESTERLY WINDS OF 15 TO 25 MPH SUSTAINED WITH GUSTS OF 30
  TO 35 MPH. WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED FOR WESTERN
  ZONE 301 AND MOST OF ZONE 302.

* HUMIDITY...HUMIDITIES VALUES OF 8 TO 14 PERCENT.

* IMPACTS...FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR
  BURNING IS NOT RECOMMENDED.

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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES MAY
LEAD TO EXTREME FIRE BEHAVIOR.

&&

$$
910 
WWUS85 KCYS 271643
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1043 AM MDT MON JUL 27 2015

...RED FLAG WARNING IN EFFECT FOR ZONES 301...302...304...306 AND
310 OF SOUTHEAST WYOMING THROUGH THE EARLY EVENING FOR STRONG
WINDS AND LOW HUMIDITIES...

.VERY LOW HUMIDITIES WILL COMBINE WITH STRONG WEST TO SOUTHWEST
WINDS THIS AFTERNOON PRODUCING CONDITIONS FAVORABLE FOR RAPID FIRE
GROWTH. FREQUENT WIND GUSTS OF 35 TO 45 MPH WILL BE COMMON THIS
AFTERNOON TO THE WEST OF THE LARAMIE RANGE WITH GUSTS OF 25 TO 35
MPH ACROSS THE PLAINS. THE WINDS WILL DIMINISH AND RELATIVE
HUMIDITY VALUES WILL RISE AFTER SUNSET...ENDING THE RED FLAG
THREAT.

WYZ306-280200-
/O.EXA.KCYS.FW.W.0013.000000T0000Z-150728T0200Z/
UPPER NORTH PLATTE RIVER BASIN-
1043 AM MDT MON JUL 27 2015

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR
STRONG WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONE 306...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM MDT THIS EVENING. 

* WIND...WESTERLY WINDS OF 25 TO 30 MPH SUSTAINED WITH GUSTS OF 40
  MPH ACROSS THE UPPER NORTH PLATTE RIVER BASIN.

* HUMIDITY...HUMIDITIES VALUES OF 11 TO 15 PERCENT.

* IMPACTS...FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED. 

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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES MAY
LEAD TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ301-302-304-310-280200-
/O.CON.KCYS.FW.W.0013.000000T0000Z-150728T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF-SOUTHWEST CARBON-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
1043 AM MDT MON JUL 27 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES
301...302...304 AND 310...

* WIND...WEST TO SOUTHWEST WINDS OF 15 TO 25 MPH SUSTAINED WITH
  GUSTS OF 35 MPH TO THE EAST OF THE LARAMIE RANGE. WEST TO
  SOUTHWEST WINDS OF 3O TO 35 MPH WITH GUSTS TO 45 MPH TO THE WEST
  OF THE LARAMIE RANGE.

* HUMIDITY...HUMIDITIES VALUES OF 9 TO 15 PERCENT.

* IMPACTS...FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS NOT RECOMMENDED. 

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...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES MAY
LEAD TO EXTREME FIRE BEHAVIOR.

&&

$$

FINCH
279 
WWUS85 KCYS 280135
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
735 PM MDT MON JUL 27 2015


WYZ301-302-304-306-310-280245-
/O.EXP.KCYS.FW.W.0013.000000T0000Z-150728T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-NORTH LARAMIE RANGE/MEDICINE BOW NF-SOUTHWEST CARBON-
UPPER NORTH PLATTE RIVER BASIN-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
735 PM MDT MON JUL 27 2015

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR FIRE
WEATHER ZONES 301...302...304 AND 310...

RELATIVE HUMIDITIES HAVE INCREASED OVER THE AREA THIS EVENING AND
WILL CONTINUE TO INCREASE THROUGH THE NIGHT AS COOLER AIR MOVES
INTO THE REGION. WINDY CONDITIONS ARE EXPECTED TONIGHT AS THE COLD
FRONT MOVES ACROSS THE AREA...WITH NORTH TO NORTHWEST WINDS
BETWEEN 20 TO 30 MPH INTO EARLY TUESDAY MORNING.

$$

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 3:56 AM MDTRed Flag WarningCYS16 hr

Nearby

Red Flag Warnings in Wyoming, 2015Every red flag warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.