Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 38, NWS Cheyenne, WY

June 24, 2012

NWS Cheyenne, WY issued this red flag warning at Jun 24, 2012, 4:54 AM MDT. It took effect at Jun 24, 2012, 11:00 AM MDT. It was in force for 9 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: Jun 24, 2012, 4:54 AM MDT (10:54 UTC)
In effect from: Jun 24, 2012, 11:00 AM MDT
Expired: Jun 24, 2012, 8:00 PM MDT
In force: 9 hr
Issued by: NWS Cheyenne, WY

The text

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

682 
WWUS85 KCYS 241054
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
454 AM MDT SUN JUN 24 2012

WYZ301-309-310-241200-
/O.CAN.KCYS.FW.A.0031.120624T1500Z-120625T0300Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
454 AM MDT SUN JUN 24 2012

...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 301...309 AND 310...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE FIRE
WEATHER WATCH.

CRITICAL FIRE WEATHER CONDITIONS DO NOT LOOK AS LIKELY OVER
THE SOUTHERN LARAMIE RANGE AND AREAS EAST OF THE LARAMIE RANGE
TODAY. THEREFORE...THE FIRE WEATHER WATCH THAT WAS IN EFFECT FOR
THAT AREA HAVE BEEN CANCELLED.   

WINDS ARE NOT ANTICIPATED TO BE AS STRONG TODAY TO THE EAST OF 
THE LARAMIE RANGE...INCLUDING THE SOUTHERN LARAMIE RANGE. IN
ADDITION...RELATIVE HUMIDITY VALUES WILL GENERALLY REMAIN AT
OR ABOVE 15 PERCENT.  

SOME LOCATIONS MAY ALSO RECEIVE WETTING RAINFALL FROM 
THUNDERSTORMS THIS AFTERNOON AND EVENING.  

$$

WYZ302>308-242300-
/O.UPG.KCYS.FW.A.0031.120624T1500Z-120625T0300Z/
/O.NEW.KCYS.FW.W.0038.120624T1700Z-120625T0200Z/
NORTH LARAMIE RANGE/MEDICINE BOW NF-
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-SIERRA MADRE RANGE/MEDICINE BOW NF-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE/MEDICINE BOW NF-
LARAMIE VALLEY/SHIRLEY BASIN-
454 AM MDT SUN JUN 24 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 302...303...304...305...306...307 AND 308...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONE 302 NORTH LARAMIE 
  RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 303 CENTRAL AND 
  NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS...FIRE 
  WEATHER ZONE 304 SOUTHWEST CARBON...FIRE WEATHER ZONE 305 
  SIERRA MADRE RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 306 
  UPPER NORTH PLATTE RIVER BASIN...FIRE WEATHER ZONE 307 SNOWY 
  RANGE/MEDICINE BOW NF AND FIRE WEATHER ZONE 308 LARAMIE 
  VALLEY/SHIRLEY BASIN.

* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...4 TO 11 PERCENT. 

* THUNDERSTORMS...A SCATTERED COVERAGE OF THUNDERSTORMS FROM MID
  AFTERNOON THROUGH THE EVENING WILL PRODUCE LITTLE OR NO RAIN.
  HOWEVER...THE STORMS CAN BE EXPECTED TO PRODUCE BRIEF WIND
  GUSTS TO 45 MPH AND LIGHTNING.  

* IMPACTS...THE HOT...DRY AND BREEZY WEATHER AND DRY OR DEAD
  VEGETATION WILL ALLOW FOR RAPID GROWTH OF FIRES. THE LIGHTNING
  FROM DRY THUNDERSTORMS MAY ALSO CAUSE NEW FIRE STARTS AND THEIR
  STRONG AND ERRATIC OUTFLOW WINDS WILL ADD TO THE POTENTIAL FOR
  FIRE GROWTH. 

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

WEILAND

2 follow-up statements

179 
WWUS85 KCYS 241848
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1248 PM MDT SUN JUN 24 2012

WYZ302>308-250300-
/O.NEW.KCYS.FW.A.0032.120625T1600Z-120626T0200Z/
/O.CON.KCYS.FW.W.0038.000000T0000Z-120625T0200Z/
NORTH LARAMIE RANGE/MEDICINE BOW NF-
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-SIERRA MADRE RANGE/MEDICINE BOW NF-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE/MEDICINE BOW NF-
LARAMIE VALLEY/SHIRLEY BASIN-
1248 PM MDT SUN JUN 24 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 302...
303...304...305...306...307 AND 308...

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 302...303...304...305...306...307 AND 308...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 302 NORTH LARAMIE 
  RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 303 CENTRAL AND 
  NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS...FIRE 
  WEATHER ZONE 304 SOUTHWEST CARBON...FIRE WEATHER ZONE 305 
  SIERRA MADRE RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 306 
  UPPER NORTH PLATTE RIVER BASIN...FIRE WEATHER ZONE 307 SNOWY 
  RANGE/MEDICINE BOW NF AND FIRE WEATHER ZONE 308 LARAMIE 
  VALLEY/SHIRLEY BASIN.

* WINDS...SOUTH 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT.

* THUNDERSTORMS...A SCATTERED COVERAGE OF THUNDERSTORMS FROM MID 
  AFTERNOON THROUGH THE EVENING WILL PRODUCE LITTLE OR NO RAIN. 
  HOWEVER...THE STORMS CAN BE EXPECTED TO PRODUCE BRIEF WIND 
  GUSTS TO 45 MPH AND LIGHTNING. 

* IMPACTS...THE HOT...DRY AND BREEZY WEATHER AND DRY OR DEAD 
  VEGETATION WILL ALLOW FOR RAPID GROWTH OF FIRES. THE LIGHTNING 
  FROM DRY THUNDERSTORMS MAY ALSO CAUSE NEW FIRE STARTS AND 
  THEIR STRONG AND ERRATIC OUTFLOW WINDS WILL ADD TO THE 
  POTENTIAL FOR FIRE GROWTH. 

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

WYZ301-309-310-250300-
/O.NEW.KCYS.FW.A.0032.120625T1600Z-120626T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
1248 PM MDT SUN JUN 24 2012

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 301...309 AND 310...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A FIRE
WEATHER WATCH FOR DRY LIGHTNING...WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE 
  WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE 
  WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...SOUTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* IMPACTS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
GRIFFITH

681 
WWUS85 KCYS 250146
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
746 PM MDT SUN JUN 24 2012

WYZ302>308-251200-
/O.EXP.KCYS.FW.W.0038.000000T0000Z-120625T0200Z/
/O.CON.KCYS.FW.A.0032.120625T1600Z-120626T0200Z/
NORTH LARAMIE RANGE/MEDICINE BOW NF-
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-SIERRA MADRE RANGE/MEDICINE BOW NF-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE/MEDICINE BOW NF-
LARAMIE VALLEY/SHIRLEY BASIN-
746 PM MDT SUN JUN 24 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 302...303...304...305...306...307 AND 308...

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 302...303...
304...305...306...307 AND 308...

HUMIDITIES HAVE INCREASED ABOVE 15 PERCENT ACROSS MOST OF THE AREA
AS MIDLEVEL MOISTURE STARTS TO SPREAD NORTHWARD ACROSS THE REGION.
THEREFORE...THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE ON
TIME. 

A FIRE WEATHER WATCH REMAINS IN EFFECT FOR THE AREA ON MONDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

WYZ301-309-310-251200-
/O.CON.KCYS.FW.A.0032.120625T1600Z-120626T0200Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
746 PM MDT SUN JUN 24 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 301...309 AND 310...

* AFFECTED AREA...FIRE WEATHER ZONE 301 NIOBRARA/LOWER 
  ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND...FIRE 
  WEATHER ZONE 309 SOUTH LARAMIE RANGE/MEDICINE BOW NF AND FIRE 
  WEATHER ZONE 310 PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE.

* WINDS...SOUTH 10 TO 20 MPH WITH GUSTS AROUND 25 MPH.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

TT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 12:48 PM MDT	Fire Weather Watch	CYS		16 hr
Jun 24, 4:21 PM MDT	Special Weather Statement	CYS	Niobrara	39 min
Jun 24, 5:05 PM MDT	Special Weather Statement	CYS	Niobrara	40 min
Jun 24, 5:19 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara, Platte	41 min
Jun 24, 5:47 PM MDT	Special Weather Statement	CYS	Laramie	28 min
Jun 24, 5:55 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	50 min

Nearby

Red Flag Warnings in Wyoming, 2012 Every red flag warning in 2012

Sources

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