Alert archive / Nevada / Red Flag Warnings in 2016

Red Flag Warning 17, NWS Reno, NV

August 31, 2016Washoe County, Nevada; Lassen County, California

NWS Reno, NV issued this red flag warning at Aug 31, 2016, 3:21 AM PDT for Washoe County, Nevada; Lassen County, California. It took effect at Aug 31, 2016, 2:00 PM PDT. It was in force for 6 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 31, 2016, 3:21 AM PDT (10:21 UTC)
In effect from
Aug 31, 2016, 2:00 PM PDT
Expired
Aug 31, 2016, 8:00 PM PDT
In force
6 hr
Issued by
NWS Reno, NV

Counties Lassen County, CA, Washoe County, NV

The radar

The Reno radar (KRGX), 116 km from the middle of the area, began a volume at 10:21 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

Reno, NV (KREV), launched 00:00Z, 10.4 hours before the alert went out and 205 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, Reno, NV at 00:00Z on 2016-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 00:00Z on 2016-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3832 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

369 
WWUS85 KREV 311021
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
321 AM PDT WED AUG 31 2016

CAZ270-312300-
/O.CAN.KREV.FW.A.0011.160831T2000Z-160901T0400Z/
/O.CON.KREV.FW.A.0012.160901T1800Z-160902T0400Z/
SURPRISE VALLEY CALIFORNIA-
321 AM PDT WED AUG 31 2016

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE
SURPRISE VALLEY IN CALIFORNIA...

THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE FIRE
WEATHER WATCH FOR TODAY...BUT BREEZY WINDS AND LOW HUMIDITY ARE
STILL LIKELY.

* AFFECTED AREA...FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA.

* WINDS...FOR TODAY: SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS 25
  TO 30 MPH. FOR THURSDAY AFTERNOON AND EVENING: SOUTHWEST WINDS
  10 TO 20 MPH WITH GUSTS 30 TO 35 MPH.

* HUMIDITY...AFTERNOON HUMIDITY THURSDAY WILL BOTTOM OUT AT 10 TO
  16%.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY CAN 
  CAUSE FIRE TO RAPIDLY GROW IN SIZE AND INTENSITY BEFORE FIRST 
  RESPONDERS CAN CONTAIN THEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

CAZ278-NVZ450-458-312300-
/O.UPG.KREV.FW.A.0011.160831T2000Z-160901T0400Z/
/O.NEW.KREV.FW.W.0017.160831T2100Z-160901T0300Z/
/O.CON.KREV.FW.A.0012.160901T1800Z-160902T0400Z/
EASTERN LASSEN COUNTY-WESTERN NEVADA SIERRA FRONT-
NORTHERN WASHOE COUNTY-
321 AM PDT WED AUG 31 2016

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST
CALIFORNIA...FAR NORTHWEST NEVADA AND THE WESTERN NEVADA SIERRA
FRONT...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FAR
NORTHEAST CALIFORNIA...FAR NORTHWEST NEVADA AND THE WESTERN NEVADA
SIERRA FRONT...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITY, WHICH IS IN EFFECT FROM
2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING. 

* AFFECTED AREA...FIRE ZONE 278 EASTERN LASSEN COUNTY, FIRE ZONE 
  450 WESTERN NEVADA SIERRA FRONT AND FIRE ZONE 458 NORTHERN 
  WASHOE COUNTY.

* WINDS...FOR TODAY: SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 35
  MPH. FOR THURSDAY AFTERNOON AND EVENING: SOUTHWEST WINDS 10 TO
  20 MPH WITH GUSTS 30 TO 35 MPH.

* HUMIDITY...AFTERNOON HUMIDITY WILL BOTTOM OUT AT 8 TO 16%.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY CAN 
  CAUSE FIRE TO RAPIDLY GROW IN SIZE AND INTENSITY BEFORE FIRST 
  RESPONDERS CAN CONTAIN THEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
3 follow-up statements
943 
WWUS85 KREV 312128
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
228 PM PDT WED AUG 31 2016

CAZ270-312230-
/O.CAN.KREV.FW.A.0012.160901T1800Z-160902T0400Z/
SURPRISE VALLEY CALIFORNIA-
228 PM PDT WED AUG 31 2016

...FIRE WEATHER WATCH FOR GUSTY WINDS AND LOW HUMIDITY FOR THE
SURPRISE VALLEY IN CALIFORNIA...

THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THIS FIRE
WEATHER WATCH.

WHILE WINDS ARE EXPECTED TO BE RATHER BREEZY THURSDAY, RELATIVE
HUMIDITY WILL ALSO BE RISING. GUSTS SHOULD BE ON THE ORDER OF
30-35 MPH WITH RH RISING TO AROUND 20% THURSDAY AFTERNOON. AS
SUCH...THE WATCH FOR ZONE 270 HAS BEEN CANCELLED.

$$

CAZ278-NVZ450-458-010930-
/O.UPG.KREV.FW.A.0012.160901T1800Z-160902T0400Z/
/O.NEW.KREV.FW.W.0018.160901T1800Z-160902T0400Z/
/O.CON.KREV.FW.W.0017.000000T0000Z-160901T0300Z/
EASTERN LASSEN COUNTY-WESTERN NEVADA SIERRA FRONT-
NORTHERN WASHOE COUNTY-
228 PM PDT WED AUG 31 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA...FAR
NORTHWEST NEVADA AND THE WESTERN NEVADA SIERRA FRONT...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM PDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA...FAR
NORTHWEST NEVADA AND THE WESTERN NEVADA SIERRA FRONT...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITY, WHICH IS IN EFFECT FROM
11 AM TO 9 PM PDT THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER
IN EFFECT.

* AFFECTED AREA...FIRE ZONE 278 EASTERN LASSEN COUNTY, FIRE ZONE 
  450 WESTERN NEVADA SIERRA FRONT AND FIRE ZONE 458 NORTHERN 
  WASHOE COUNTY.

* WINDS...FOR TODAY: SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
  35 MPH. FOR THURSDAY AFTERNOON AND EVENING: SOUTHWEST WINDS 15
  TO 20 MPH WITH GUSTS 30 TO 35 MPH.

* HUMIDITY...AFTERNOON HUMIDITY WILL BOTTOM OUT AT 8 TO 16%.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY CAN 
  CAUSE FIRE TO RAPIDLY GROW IN SIZE AND INTENSITY BEFORE FIRST 
  RESPONDERS CAN CONTAIN THEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

NVZ453-010930-
/O.NEW.KREV.FW.W.0018.160901T2000Z-160902T0400Z/
WEST CENTRAL NEVADA BASIN AND RANGE-
228 PM PDT WED AUG 31 2016

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM PDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE BASIN AND RANGE...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITY, WHICH IS IN EFFECT FROM
1 PM TO 9 PM PDT THURSDAY.

* AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND 
  RANGE.

* WINDS THURSDAY...SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS 30 TO
  35 MPH.

* HUMIDITY...AFTERNOON HUMIDITY WILL BOTTOM OUT AT 8 TO 14%.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY CAN 
  CAUSE FIRE TO RAPIDLY GROW IN SIZE AND INTENSITY BEFORE FIRST 
  RESPONDERS CAN CONTAIN THEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
519 
WWUS85 KREV 010300
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
800 PM PDT WED AUG 31 2016

CAZ278-NVZ450-458-011500-
/O.EXP.KREV.FW.W.0017.000000T0000Z-160901T0300Z/
/O.CON.KREV.FW.W.0018.160901T1800Z-160902T0400Z/
EASTERN LASSEN COUNTY-WESTERN NEVADA SIERRA FRONT-
NORTHERN WASHOE COUNTY-
800 PM PDT WED AUG 31 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM PDT
THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST
CALIFORNIA...FAR NORTHWEST NEVADA AND THE WESTERN NEVADA SIERRA
FRONT...

* AFFECTED AREA...FIRE ZONE 278 EASTERN LASSEN COUNTY, FIRE ZONE 
  450 WESTERN NEVADA SIERRA FRONT AND FIRE ZONE 458 NORTHERN 
  WASHOE COUNTY.

* HUMIDITY THURSDAY...AFTERNOON HUMIDITY WILL BOTTOM OUT AT 8 TO
  16%.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY CAN 
  CAUSE FIRE TO RAPIDLY GROW IN SIZE AND INTENSITY BEFORE FIRST 
  RESPONDERS CAN CONTAIN THEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

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.

&&

$$

NVZ453-011500-
/O.CON.KREV.FW.W.0018.160901T2000Z-160902T0400Z/
WEST CENTRAL NEVADA BASIN AND RANGE-
800 PM PDT WED AUG 31 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 9 PM PDT
THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE BASIN AND
RANGE...

* AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND 
  RANGE.

* WINDS THURSDAY...SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS 30 TO 
  35 MPH.

* HUMIDITY...AFTERNOON HUMIDITY WILL BOTTOM OUT AT 8 TO 14%.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY CAN 
  CAUSE FIRE TO RAPIDLY GROW IN SIZE AND INTENSITY BEFORE FIRST 
  RESPONDERS CAN CONTAIN THEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
884 
WWUS85 KREV 010305 CCA
RFWREV

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE RENO NV
805 PM PDT WED AUG 31 2016

CAZ278-NVZ450-458-011515-
/O.EXP.KREV.FW.W.0017.000000T0000Z-160901T0300Z/
/O.COR.KREV.FW.W.0018.160901T1800Z-160902T0400Z/
EASTERN LASSEN COUNTY-WESTERN NEVADA SIERRA FRONT-
NORTHERN WASHOE COUNTY-
805 PM PDT WED AUG 31 2016

CORRECTED TO ADD WINDS FOR THURSDAY

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM PDT
THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST
CALIFORNIA...FAR NORTHWEST NEVADA AND THE WESTERN NEVADA SIERRA
FRONT...

* AFFECTED AREA...FIRE ZONE 278 EASTERN LASSEN COUNTY, FIRE ZONE 
  450 WESTERN NEVADA SIERRA FRONT AND FIRE ZONE 458 NORTHERN 
  WASHOE COUNTY.

* WINDS THURSDAY...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY THURSDAY...AFTERNOON HUMIDITY WILL BOTTOM OUT AT 8 TO
  16%.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY CAN 
  CAUSE FIRE TO RAPIDLY GROW IN SIZE AND INTENSITY BEFORE FIRST 
  RESPONDERS CAN CONTAIN THEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

NVZ453-011515-
/O.COR.KREV.FW.W.0018.160901T2000Z-160902T0400Z/
WEST CENTRAL NEVADA BASIN AND RANGE-
805 PM PDT WED AUG 31 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 9 PM PDT
THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE BASIN AND
RANGE...

* AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND 
  RANGE.

* WINDS THURSDAY AFTERNOON...SOUTHWEST 10 TO 20 MPH WITH GUSTS 30
  TO 35 MPH.

* HUMIDITY...AFTERNOON HUMIDITY WILL BOTTOM OUT AT 8 TO 14%.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY CAN 
  CAUSE FIRE TO RAPIDLY GROW IN SIZE AND INTENSITY BEFORE FIRST 
  RESPONDERS CAN CONTAIN THEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 2:28 PM PDTRed Flag WarningREVWashoe31 hr

Nearby

Red Flag Warnings in Nevada, 2016Red Flag Warnings in California, 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.