Alert archive / Wyoming / Red Flag Warnings in 2012

Red Flag Warning 73, NWS Cheyenne, WY

October 19, 2012

NWS Cheyenne, WY issued this red flag warning at Oct 19, 2012, 1:47 PM MDT. It was in force for 4 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: Oct 19, 2012, 1:47 PM MDT (19:47 UTC)
Expired: Oct 19, 2012, 6:00 PM MDT
In force: 4 hr
Issued by: NWS Cheyenne, WY

The text

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

799 
WWUS85 KCYS 191947
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
147 PM MDT FRI OCT 19 2012

...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON...

.DRY AND WINDY CONDITIONS WILL CONTINUE ACROSS THE LOWER
ELEVATIONS OF THE LARAMIE RANGE...NEARBY FOOTHILLS...AND
ADJACENT PLAINS ACROSS SOUTHEAST WYOMING THROUGH THE AFTERNOON.
WEST WINDS WILL GUST GENERALLY 30 TO 40 MPH IN THIS AREA WITH
HUMIDITES BETWEEN 12 AND 16 PERCENT. THE EXCEPTION WILL BE
NIOBRARA AND GOSHEN COUNTIES WHERE HUMIDITIES WILL REMAIN IN THE
UPPER TEENS TO LOW TWENTY PERCENT RANGE THROUGH THE AFTERNOON.
WINDS WILL EASE AND HUMIDITIES WILL INCREASE THROUGH THE EVENING.

WYZ301-309-310-200000-
/O.NEW.KCYS.FW.W.0073.121019T1947Z-121020T0000Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
147 PM MDT FRI OCT 19 2012

...RED FLAG WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...
309 AND 310...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
UNTIL 6 PM MDT THIS 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...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE 
  POTENTIAL FOR RAPID 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.

&&

$$

RJM

2 follow-up statements

341 
WWUS85 KCYS 192113
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
313 PM MDT FRI OCT 19 2012

...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND AGAIN ON
SATURDAY... 

.DRY AND WINDY CONDITIONS WILL CONTINUE ACROSS THE LOWER ELEVATIONS
OF THE LARAMIE RANGE...NEARBY FOOTHILLS...AND ADJACENT PLAINS
ACROSS SOUTHEAST WYOMING THROUGH THIS AFTERNOON. WEST WINDS WILL
GUST GENERALLY 30 TO 40 MPH IN THIS AREA WITH HUMIDITIES BETWEEN 12
AND 16 PERCENT. THE EXCEPTION WILL BE NIOBRARA AND GOSHEN COUNTIES
WHERE HUMIDITIES WILL REMAIN IN THE UPPER TEENS TO LOW TWENTY
PERCENT RANGE THROUGH THE AFTERNOON. WINDS WILL EASE AND
HUMIDITIES WILL INCREASE THROUGH THE EVENING.

DRY AND WINDY CONDITIONS WILL RETURN FOR SATURDAY AND WILL BE MORE
WIDESPREAD ACROSS THE DISTRICT AHEAD OF A COLD FRONT THAT WILL
DROP SOUTH THROUGH THE AREA ON SATURDAY NIGHT. ELEVATIONS BELOW
ABOUT 7500 FEET WILL SEE HUMIDITIES DROP TO 11 TO 16 PERCENT IN
THE AFTERNOON. WEST WINDS ALONG AND WEST OF THE LARAMIE RANGE
WILL SEE WIND GUSTS 30 TO 45 MPH...WITH 25 TO 30 MPH ACROSS THE
FAR EASTERN WYOMING PLAINS AND NEBRASKA PANHANDLE. 

WYZ301-309-310-200600-
/O.NEW.KCYS.FW.A.0057.121020T1800Z-121021T0100Z/
/O.CON.KCYS.FW.W.0073.000000T0000Z-121020T0000Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
313 PM MDT FRI OCT 19 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...
309 AND 310...

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY 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 WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY 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...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH THIS
  AFTERNOON AND AGAIN ON SATURDAY.

* RELATIVE HUMIDITY...BETWEEN 11 AND 16 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE 
  POTENTIAL FOR RAPID 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.

&&

$$

NEZ311>313-WYZ302>304-306-308-200600-
/O.NEW.KCYS.FW.A.0057.121020T1800Z-121021T0100Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
NORTH LARAMIE RANGE/MEDICINE BOW NF-
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY/SHIRLEY BASIN-
313 PM MDT FRI OCT 19 2012

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 302...303...304...306...308...311...312 AND 313...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY 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 306 
  UPPER NORTH PLATTE RIVER BASIN...FIRE WEATHER ZONE 308 LARAMIE 
  VALLEY/SHIRLEY BASIN...FIRE WEATHER ZONE 311 PINE 
  RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS...
  FIRE WEATHER ZONE 312 BOX BUTTE/SOUTH SIOUX AND FIRE WEATHER 
  ZONE 313 SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS.

* WINDS...WEST 25 TO 35 MPH WITH GUSTS OF 30 TO 45 MPH ALONG AND
  WEST OF THE LARAMIE RANGE. WEST 15 TO 20 MPH GUSTING UP TO 30
  MPH ACROSS THE NEBRASKA PANHANDLE.

* RELATIVE HUMIDITY...12 TO 16 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE 
  POTENTIAL FOR RAPID FIRE GROWTH. 

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.

&&

$$

RJM

864 
WWUS85 KCYS 200002
RFWCYS

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
602 PM MDT FRI OCT 19 2012

...CRITICAL FIRE WEATHER CONDITIONS SATURDAY AFTERNOON...

.THE RED FLAG WARNING FOR ZONES 301...309 AND 310 HAS BEEN ALLOWED
TO EXPIRE. A NEW RED FLAG WARNING HAS BE ISSUED FOR SATURDAY
AFTERNOON. THIS NEW WARNING ENCOMPASSES A MUCH LARGER PORTION OF
THE FIRE WEATHER DISTRICT.

DRY AND WINDY CONDITIONS WILL RETURN SATURDAY AND WILL BECOME
WIDESPREAD ACROSS THE FIRE WEATHER DISTRICT. ELEVATIONS BELOW
ABOUT 7500 FEET WILL SEE HUMIDITIES DROP TO 11 TO 16 PERCENT IN
THE AFTERNOON. WESTERLY WINDS ALONG AND WEST OF THE LARAMIE RANGE
WILL SEE WIND GUSTS 35 TO 45 MPH...WHILE THE FAR EASTERN WYOMING
PLAINS AND NEBRASKA PANHANDLE WILL SEE GUSTS 25 TO 30 MPH BY
SATURDAY AFTERNOON.


WYZ301-309-310-201415-
/O.EXP.KCYS.FW.W.0073.000000T0000Z-121020T0000Z/
/O.UPG.KCYS.FW.A.0057.121020T1800Z-121021T0100Z/
/O.NEW.KCYS.FW.W.0074.121020T1800Z-121021T0100Z/
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-SOUTH LARAMIE RANGE/MEDICINE BOW NF-
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-
602 PM MDT FRI OCT 19 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301...
309 AND 310...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TO 7 PM MDT SATURDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 301...309 AND 310.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* RELATIVE HUMIDITY...AS LOW AS 13 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE 
  POTENTIAL FOR RAPID 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.

&&

$$

NEZ311>313-WYZ302>304-306-308-201415-
/O.UPG.KCYS.FW.A.0057.121020T1800Z-121021T0100Z/
/O.NEW.KCYS.FW.W.0074.121020T1800Z-121021T0100Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-
BOX BUTTE/SOUTH SIOUX-
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-
NORTH LARAMIE RANGE/MEDICINE BOW NF-
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-
SOUTHWEST CARBON-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY/SHIRLEY BASIN-
602 PM MDT FRI OCT 19 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT SATURDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 302...303...
304...306...308...311...312 AND 313...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TO 7 PM MDT SATURDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 302...303...304...306... 
  308...311...312 AND 313.

* WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* IMPACTS...GUSTY WINDS AND LOW HUMIDITIES WILL RESULT IN THE 
  POTENTIAL FOR RAPID 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.

&&

$$

LIEBL

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 19, 3:13 PM MDT	Fire Weather Watch	CYS		3 hr

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.