Alert archive / Wyoming / Red Flag Warnings in 2016

Red Flag Warning 21, NWS Riverton, WY

August 14, 20169 counties in Wyoming

NWS Riverton, WY issued this red flag warning at Aug 14, 2016, 3:10 AM MDT for 9 counties in Wyoming. It took effect at Aug 14, 2016, 12:00 PM MDT. It was in force for 8 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
Aug 14, 2016, 3:10 AM MDT (09:10 UTC)
In effect from
Aug 14, 2016, 12:00 PM MDT
Expired
Aug 14, 2016, 8:00 PM MDT
In force
8 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Uinta County, WY

The radar

The Riverton/Lander radar (KRIW), 38 km from the middle of the area, began a volume at 09:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Riverton, WY (KRIW), launched 00:00Z, 9.2 hours before the alert went out and 44 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 00:00Z on 2016-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2016-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
27 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
3277 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

347 
WWUS85 KRIW 140910 CCA
RFWRIW

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE RIVERTON WY
310 AM MDT SUN AUG 14 2016

...RED FLAG WARNING SUNDAY FOR ZONES 279..280...283 AND 289...

.GUSTY WINDS WILL DEVELOP ACROSS SOUTHERN AND CENTRAL WYOMING
AROUND NOON SUNDAY AND CONTINUE UNTIL 8 PM MDT. THE AIR MASS WILL
BE UNSTABLE WITH A HAINES INDEX OF 5 TO 6 ACROSS THE AREA.

WYZ279-142115-
/O.UPG.KRIW.FW.A.0015.160814T1800Z-160815T0200Z/
/O.NEW.KRIW.FW.W.0021.160814T1800Z-160815T0200Z/
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
310 AM MDT SUN AUG 14 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX
OF 5 TO 6...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...FIRE WEATHER ZONE 279.

* WIND...WEST TO SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 25 MPH.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ280-289-142115-
/O.UPG.KRIW.FW.A.0015.160814T1800Z-160815T0200Z/
/O.NEW.KRIW.FW.W.0021.160814T1800Z-160815T0200Z/
NATRONA COUNTY/CASPER BLM-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
310 AM MDT SUN AUG 14 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX
OF 5 TO 6...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...FIRE WEATHER ZONE 280. FIRE WEATHER ZONE 289.

* WIND...WEST TO SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 25 MPH.

* HUMIDITY...AS LOW AS 9 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ283-142115-
/O.UPG.KRIW.FW.A.0015.160814T1800Z-160815T0200Z/
/O.NEW.KRIW.FW.W.0021.160814T1800Z-160815T0200Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
310 AM MDT SUN AUG 14 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX
OF 5 TO 6...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...FIRE WEATHER ZONE 283.

* WIND...WEST TO NORTHWEST 10 TO 20 MPH WITH GUSTS TO 25 MPH.

* HUMIDITY...AS LOW AS 9 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
3 follow-up statements
832 
WWUS85 KRIW 141418
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
818 AM MDT SUN AUG 14 2016

...RED FLAG WARNING THROUGH 8 PM MDT FOR ZONES 277 278 279 280
281 283 AND 289...

.GUSTY WINDS WILL DEVELOP ACROSS SOUTHERN AND CENTRAL WYOMING
AROUND NOON TODAY AND CONTINUE UNTIL 8 PM MDT. THE AIR MASS WILL
BE UNSTABLE WITH A HAINES INDEX OF 5 TO 6 ACROSS THE AREA.  A COLD
FRONTAL PASSAGE WILL ALSO OCCUR ACROSS JOHNSON...NATRONA AND 
FREMONT COUNTIES AT THE PEAK OF THE STRONG WINDS WITH THE WINDS
SHIFTING RAPIDLY TO THE NORTHEAST. 

WYZ278-150200-
/O.EXA.KRIW.FW.W.0021.160814T1800Z-160815T0200Z/
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
818 AM MDT SUN AUG 14 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX
OF 5 TO 6...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONE 278.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ277-150200-
/O.EXA.KRIW.FW.W.0021.160814T1800Z-160815T0200Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
818 AM MDT SUN AUG 14 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX
OF 5 TO 6...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONE 277.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ281-150200-
/O.EXA.KRIW.FW.W.0021.160814T1800Z-160815T0200Z/
JOHNSON COUNTY/CASPER BLM-
818 AM MDT SUN AUG 14 2016

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX
OF 5 TO 6 AND A COLD FRONTAL PASSAGE...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONE 281.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH...
         SHIFTING TO THE NORTHEAST FROM 4 PM TO 6 PM MDT.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ279-150200-
/O.CON.KRIW.FW.W.0021.160814T1800Z-160815T0200Z/
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
818 AM MDT SUN AUG 14 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES
INDEX OF 5 TO 6...

* AFFECTED AREA...FIRE WEATHER ZONE 279.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ280-289-150200-
/O.CON.KRIW.FW.W.0021.160814T1800Z-160815T0200Z/
NATRONA COUNTY/CASPER BLM-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
818 AM MDT SUN AUG 14 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES
INDEX OF 5 TO 6 AND A COLD FRONTAL PASSAGE...

* AFFECTED AREA...FIRE WEATHER ZONE 280. FIRE WEATHER ZONE 289.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH...
         SHIFTING TO THE NORTHEAST FROM 5 PM TO 7 PM MDT.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ283-150200-
/O.CON.KRIW.FW.W.0021.160814T1800Z-160815T0200Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
818 AM MDT SUN AUG 14 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES
INDEX OF 5 TO 6 AND A COLD FRONTAL PASSAGE...

* AFFECTED AREA...FIRE WEATHER ZONE 283.

* WIND...WEST TO NORTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH...
         SHIFTING TO THE NORTHEAST FROM 5 PM TO 7 PM MDT.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
034 
WWUS85 KRIW 142012
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
212 PM MDT SUN AUG 14 2016

...RED FLAG WARNING THROUGH 8 PM MDT FOR ZONES
277 278 279 280 281 283 286 287 288 AND 289...

.GUSTY WINDS WILL DEVELOP ACROSS SOUTHERN AND CENTRAL WYOMING
AROUND NOON TODAY AND CONTINUE UNTIL 8 PM MDT. THE AIR MASS WILL
BE UNSTABLE WITH A HAINES INDEX OF 5 TO 6 ACROSS THE AREA.  A
COLD FRONTAL PASSAGE WILL ALSO OCCUR ACROSS JOHNSON...NATRONA AND
FREMONT COUNTIES AT THE PEAK OF THE STRONG WINDS WITH THE WINDS
SHIFTING RAPIDLY TO THE NORTHEAST.

WYZ286-287-150200-
/O.EXA.KRIW.FW.W.0021.000000T0000Z-160815T0200Z/
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-OWL CREEK MOUNTAINS-
212 PM MDT SUN AUG 14 2016

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR LOW
RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX OF 5 TO 6 AND A
COLD FRONTAL PASSAGE...

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

* AFFECTED AREA...FIRE WEATHER ZONES 286 AND 287.

* WIND...WEST TO NORTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH... 
  SHIFTING TO THE NORTHEAST FROM 5 PM TO 7 PM MDT. 

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ288-150200-
/O.EXA.KRIW.FW.W.0021.000000T0000Z-160815T0200Z/
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
212 PM MDT SUN AUG 14 2016

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR LOW
RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX OF 5 TO 6 AND A
COLD FRONTAL PASSAGE...

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

* AFFECTED AREA...FIRE WEATHER ZONE 288.

* WIND...WEST TO NORTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH... 
  SHIFTING TO THE NORTHEAST FROM 5 PM TO 7 PM MDT. 

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ279-150200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-160815T0200Z/
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
212 PM MDT SUN AUG 14 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX OF 5 TO
6...

* AFFECTED AREA...FIRE WEATHER ZONE 279.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ280-289-150200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-160815T0200Z/
NATRONA COUNTY/CASPER BLM-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
212 PM MDT SUN AUG 14 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX OF 5 TO
6 AND A COLD FRONTAL PASSAGE...

* AFFECTED AREA...FIRE WEATHER ZONE 280. FIRE WEATHER ZONE 289.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH... 
  SHIFTING TO THE NORTHEAST FROM 5 PM TO 7 PM MDT. 

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ283-150200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-160815T0200Z/
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
212 PM MDT SUN AUG 14 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX OF 5 TO
6 AND A COLD FRONTAL PASSAGE...

* AFFECTED AREA...FIRE WEATHER ZONE 283.

* WIND...WEST TO NORTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH... 
  SHIFTING TO THE NORTHEAST FROM 5 PM TO 7 PM MDT. 

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ278-150200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-160815T0200Z/
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
212 PM MDT SUN AUG 14 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX OF 5 TO
6...

* AFFECTED AREA...FIRE WEATHER ZONE 278.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ277-150200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-160815T0200Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
212 PM MDT SUN AUG 14 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX OF 5 TO
6...

* AFFECTED AREA...FIRE WEATHER ZONE 277.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH.

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

WYZ281-150200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-160815T0200Z/
JOHNSON COUNTY/CASPER BLM-
212 PM MDT SUN AUG 14 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR LOW RELATIVE HUMIDITY...GUSTY WIND AND A HAINES INDEX OF 5 TO
6 AND A COLD FRONTAL PASSAGE...

* AFFECTED AREA...FIRE WEATHER ZONE 281.

* WIND...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS TO 30 MPH... 
  SHIFTING TO THE NORTHEAST FROM 4 PM TO 6 PM MDT. 

* HUMIDITY...AS LOW AS 8 PERCENT.

* HAINES INDEX...5 TO 6.

* IMPACTS...ANY 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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
865 
WWUS85 KRIW 150208
RFWRIW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
808 PM MDT SUN AUG 14 2016


WYZ277>281-283-286>289-150315-
/O.EXP.KRIW.FW.W.0021.000000T0000Z-160815T0200Z/
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
NATRONA COUNTY/CASPER BLM-JOHNSON COUNTY/CASPER BLM-
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-OWL CREEK MOUNTAINS-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
808 PM MDT SUN AUG 14 2016

...RED FLAG WARNING HAS EXPIRED FOR LOW RELATIVE HUMIDITY...GUSTY
WIND AND A HAINES INDEX OF 5 TO 6 AND A COLD FRONTAL PASSAGE...

WITH WINDS DECREASING AND RELATIVE HUMIDITY STARTING TO RISE...THE
RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 2:49 PM MDTSpecial Weather StatementRIWJohnson26 min

Nearby

Red Flag Warnings in Wyoming, 2016Every red flag warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.