Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
133 PM MDT Fri Sep 21 2018
WYZ280-283-285-288-289-300-221000-
/O.UPG.KRIW.FW.A.0012.180922T1800Z-180924T0200Z/
/O.NEW.KRIW.FW.W.0020.180922T1800Z-180924T0200Z/
Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin-
South Bighorn Mountains-
East Wind River Mountains/South Shoshone NF-
Granite/Green/Ferris/Rattlesnake Mountains-Casper Mountain-
133 PM MDT Fri Sep 21 2018
...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO 8 PM MDT
SUNDAY...
The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon Saturday to 8 PM MDT Sunday.
the Fire Weather Watch is no longer in effect.
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and new fire starts.
* AFFECTED AREA:
In Central WY...Fire Weather Zones 280...283...285...288...
289 and 300.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In North Central WY...Hot Springs...Johnson...Washakie.
In Southwest WY...Sweetwater.
In West Central WY...Sublette.
* WIND: Southwest 15 to 25 mph with gusts up to 30 mph.
* HUMIDITY: 7 to 13 percent.
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
133 PM MDT Fri Sep 21 2018
WYZ281-221000-
/O.NEW.KRIW.FW.W.0020.180922T1800Z-180924T0200Z/
Johnson County/Casper BLM-
133 PM MDT Fri Sep 21 2018
...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO 8 PM MDT
SUNDAY...
The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon Saturday to 8 PM MDT Sunday.
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and new fire starts.
* AFFECTED AREA:
In North Central WY...Fire Weather Zone 281.
* COUNTIES AFFECTED:
In North Central WY...Johnson.
* WIND: West 10 to 15 mph with gusts up to 30 mph.
* HUMIDITY: As low as 10 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
http://weather.gov/riverton
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
133 PM MDT Fri Sep 21 2018
WYZ414>416-221000-
/O.UPG.KRIW.FW.A.0012.180922T1800Z-180924T0200Z/
/O.NEW.KRIW.FW.W.0020.180922T1800Z-180924T0200Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
North Zone Bridger Teton NF and Grand Teton NP-
West Wind River Mountains/East Zone Bridger Teton NF-
133 PM MDT Fri Sep 21 2018
...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO 8 PM MDT
SUNDAY...
The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon Saturday to 8 PM MDT Sunday.
the Fire Weather Watch is no longer in effect.
* IMPACTS: Low Humidities and Strong Gusty Winds will create
erratic fire behavior and new fire starts.
* AFFECTED AREA:
In Northwest WY Fire Zone....415.
In West Central WY Fire Zones...414...416.
* COUNTIES AFFECTED:
In Central WY...Fremont.
In North Central WY...Park.
In West Central WY...Lincoln...Sublette...Teton.
* WIND: Southwest 15 to 25 mph with gusts up to 35 mph.
* HUMIDITY: 12 to 15 percent.
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
1140 AM MDT Fri Sep 21 2018
...Dry cold front passing through Idaho Saturday evening...
.A dry cold front is expected to pass through central Idaho early
Saturday afternoon and the Caribou Highlands late afternoon or
early evening. Before the cold front arrives, it will increase
the wind, warm temperatures, and, as a result, lower humidity.
Winds in the higher elevations of the Salmon-Challis NF, the
northern portion of the Sawtooth NF, and the Caribou NF, will
have winds gusting in excess of 25 mph, and humidity below 15
percent Saturday afternoon.
IDZ422-476-221200-
/O.UPG.KPIH.FW.A.0009.180922T1800Z-180923T0300Z/
/O.NEW.KPIH.FW.W.0019.180922T1900Z-180923T0200Z/
Sawtooth Range/Northern Sawtooth NF-
Lemhi and Lost River Range/Challis NF-
1140 AM MDT Fri Sep 21 2018
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 8 PM MDT SATURDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
422 AND 476 ABOVE 7500 FEET ELEVATION...
The National Weather Service in Pocatello has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 1 PM to 8 PM MDT Saturday. The Fire Weather Watch is
no longer in effect.
* AFFECTED AREA...Fire Weather Zone 422 Sawtooth Range/Northern
Sawtooth NF and Fire Weather Zone 476 Lemhi and Lost River
Range/Challis NF.
* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...These weather conditions, combined with extremely
dry and receptive fuels, can mean rapid spread rates, high
fire intensity, and produce extreme fire behavior such as fire
whirls.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A red flag warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:
* Relative humidity at or below 15 percent and wind gusts of at
least 25 mph in the mountains, or 30 mph in the Snake Plain.
&&
$$
Messick
