Alert archive / California / Red Flag Warnings in 2017

Red Flag Warning 17, NWS Reno, NV

December 18, 2017

NWS Reno, NV issued this red flag warning at Dec 18, 2017, 2:31 PM PST. It took effect at Dec 19, 2017, 7:00 PM PST. It was in force for 16 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: Dec 18, 2017, 2:31 PM PST (22:31 UTC)
In effect from: Dec 19, 2017, 7:00 PM PST
Expired: Dec 20, 2017, 10:45 AM PST
In force: 16 hr
Issued by: NWS Reno, NV

The text

As transmitted.

644 
WWUS85 KREV 182231
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
231 PM PST Mon Dec 18 2017

CAZ273-191515-
/O.NEW.KREV.FW.W.0017.171220T0300Z-171221T0300Z/
Mono and Eastern Alpine Counties-
231 PM PST Mon Dec 18 2017

...RED FLAG WARNING IN EFFECT FROM 7 PM TUESDAY TO 7 PM PST
WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR MONO COUNTY SOUTH 
OF MONO LAKE...

The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
7 PM Tuesday to 7 PM PST Wednesday.

* This is a Particularly Dangerous Situation.

* AFFECTED AREA...Fire Zone 273 Mono and Eastern Alpine Counties.

* Winds...Southwest 25 to 40 mph with gusts up to 70 mph late
  Tuesday night into Wednesday morning. The winds will shift to
  the north by early Wednesday afternoon with speeds of 20 to 30
  mph and gusts to 55 mph. 

* Location and timing of strongest wind gusts...The strongest wind
  gusts will be along the 395 corridor Tuesday night into
  Wednesday morning. Wednesday afternoon the strongest gusts will
  be in the Owens and Chalfant Valleys.

* Humidity...As low as 10 to 20% Tuesday night and again late
  Wednesday afternoon. Brief recovery near or above 50% is
  possible late Wednesday morning.

* Duration...10 to 15 hours, locally up to 20 hours.

* Impacts...The combination of gusty winds and low humidity can
  cause fire to rapidly grow in size and intensity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a particularly dangerous situation with low humidity and 
very high winds. New fires will grow rapidly out of control, in 
some cases people may not be able to evacuate safely in time 
should a fire approach. Avoid outdoor activities that can cause a 
spark near dry vegetation, such as yard work, target shooting, or 
campfires. Follow local fire restrictions. Check weather.gov/reno 
for updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno

5 follow-up statements

586 
WWUS85 KREV 191100
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
300 AM PST Tue Dec 19 2017

CAZ273-192300-
/O.CON.KREV.FW.W.0017.171220T0300Z-171221T0300Z/
Mono and Eastern Alpine Counties-
300 AM PST Tue Dec 19 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM PST WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR MONO
COUNTY SOUTH OF MONO LAKE...

* This is a Particularly Dangerous Situation.

* AFFECTED AREA...Fire Zone 273 Mono and Eastern Alpine Counties.

* Winds...Southwest 25 to 40 mph with gusts up to 70 mph late 
  Tuesday night into Wednesday morning. The winds will shift to 
  the north by early Wednesday afternoon with speeds of 20 to 30 
  mph and gusts to 55 mph.

* Location and timing of strongest wind gusts...The strongest wind
  gusts will be along the 395 corridor tonight into Wednesday 
  morning. Wednesday afternoon the strongest gusts will be in the 
  Owens and Chalfant Valleys.

* Humidity...As low as 10 to 20% tonight and again late Wednesday
  afternoon. Brief recovery near or above 50% is possible late 
  Wednesday morning.

* Duration...10 to 15 hours, locally up to 20 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a particularly dangerous situation with low humidity and
very high winds. New fires will grow rapidly out of control, in
some cases people may not be able to evacuate safely in time
should a fire approach. Avoid outdoor activities that can cause a
spark near dry vegetation, such as yard work, target shooting, or
campfires. Follow local fire restrictions. Check weather.gov/reno
for updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno

066 
WWUS85 KREV 192140
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
140 PM PST Tue Dec 19 2017

CAZ273-201500-
/O.CON.KREV.FW.W.0017.171220T0300Z-171221T0300Z/
Mono and Eastern Alpine Counties-
140 PM PST Tue Dec 19 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO
7 PM PST WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR MONO
COUNTY SOUTH OF MONO LAKE...

* This is a Particularly Dangerous Situation.

* AFFECTED AREA...Fire Zone 273 Mono and Eastern Alpine Counties.

* Winds...Southwest 25 to 40 mph with gusts up to 70 mph late
  tonight into Wednesday morning. The winds will shift to the 
  north by early Wednesday afternoon with speeds of 20 to 30 mph 
  and gusts to 55 mph.

* Location and timing of strongest wind gusts...The strongest 
  wind gusts will be along the 395 corridor tonight into 
  Wednesday morning. Wednesday afternoon the strongest gusts 
  will be in the Owens and Chalfant Valleys.

* Humidity...As low as 10 to 20% tonight and again late 
  Wednesday afternoon. Brief recovery near or above 50% is 
  possible late Wednesday morning.

* Duration...10 to 15 hours, locally up to 20 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a particularly dangerous situation with low humidity and
very high winds. New fires will grow rapidly out of control, in
some cases people may not be able to evacuate safely in time
should a fire approach. Avoid outdoor activities that can cause a
spark near dry vegetation, such as yard work, target shooting, or
campfires. Follow local fire restrictions. Check weather.gov/reno
for updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno

709 
WWUS85 KREV 201134
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
334 AM PST Wed Dec 20 2017

CAZ273-210000-
/O.CON.KREV.FW.W.0017.000000T0000Z-171221T0300Z/
Mono and Eastern Alpine Counties-
334 AM PST Wed Dec 20 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR MONO COUNTY SOUTH OF MONO
LAKE...

* This is a Particularly Dangerous Situation.

* AFFECTED AREA...Fire Zone 273 Mono and Eastern Alpine Counties.

* Winds...Southwest 25 to 40 mph with gusts up to 70 mph thorugh 
  Wednesday morning. The winds will shift to the north by early 
  Wednesday afternoon with speeds of 20 to 30 mph and gusts to 55 
  mph.

* Location and timing of strongest wind gusts...The strongest 
  wind gusts will be along the 395 corridor tonight into 
  Wednesday morning. Wednesday afternoon the strongest gusts 
  will be in the Owens and Chalfant Valleys.

* Humidity...As low as 10 to 20% tonight and again late 
  Wednesday afternoon. Brief recovery near or above 50% is 
  possible late Wednesday morning.

* Duration...10 to 15 hours, locally up to 20 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a particularly dangerous situation with low humidity and
very high winds. New fires will grow rapidly out of control, in
some cases people may not be able to evacuate safely in time
should a fire approach. Avoid outdoor activities that can cause a
spark near dry vegetation, such as yard work, target shooting, or
campfires. Follow local fire restrictions. Check weather.gov/reno
for updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno

520 
WWUS85 KREV 201144 CCA
RFWREV

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Reno NV
344 AM PST Wed Dec 20 2017

CAZ273-210000-
/O.COR.KREV.FW.W.0017.000000T0000Z-171221T0300Z/
Mono and Eastern Alpine Counties-
344 AM PST Wed Dec 20 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR MONO COUNTY SOUTH OF MONO
LAKE...

* This is a Particularly Dangerous Situation.

* AFFECTED AREA...Fire Zone 273 Mono and Eastern Alpine Counties.

* Winds...Southwest 25 to 40 mph with gusts to 70 mph this 
  morning. The winds will shift to the north early this afternoon 
  with speeds of 20 to 30 mph and gusts to 55 mph.

* Location and timing of strongest wind gusts...Along the 395
  corridor this morning. During the afternoon the strongest winds
  will shift into the Owens and Chalfant Valleys.

* Humidity...As low as 10 to 20%. Brief recovery near or above 50%
  is possible late this morning.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a particularly dangerous situation with low humidity and
very high winds. New fires will grow rapidly out of control, in
some cases people may not be able to evacuate safely in time
should a fire approach. Avoid outdoor activities that can cause a
spark near dry vegetation, such as yard work, target shooting, or
campfires. Follow local fire restrictions. Check weather.gov/reno
for updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno

191 
WWUS85 KREV 201845
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
1045 AM PST Wed Dec 20 2017

CAZ273-201945-
/O.CAN.KREV.FW.W.0017.000000T0000Z-171221T0300Z/
Mono and Eastern Alpine Counties-
1045 AM PST Wed Dec 20 2017

...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY
FOR MONO COUNTY SOUTH OF MONO LAKE...

The National Weather Service in Reno has cancelled the Red Flag
Warning.

Relative humidity values have increased since the cold front
passed through Mono county this morning. Breezy north winds will
continue through the remainder of the day. 

$$

http://weather.gov/reno

The office that day

Everything else NWS Reno, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 18, 3:35 AM PST	High Wind Watch	REV	Alpine, El Dorado, Lassen, Modoc, Mono, Nevada and 3 more	11 hr
Dec 18, 2:30 PM PST	Winter Weather Advisory	REV	Alpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more	44 hr
Dec 18, 2:32 PM PST	High Wind Warning	REV	Mono	44 hr
Dec 18, 2:32 PM PST	Wind Advisory	REV	Alpine, El Dorado, Lassen, Modoc, Nevada, Placer and 2 more	34 hr

Nearby

Red Flag Warnings in California, 2017 Every red flag warning in 2017

Sources

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