Alert archive / California / Red Flag Warnings in 2013

Red Flag Warning 2, NWS Reno, NV

June 11, 20134 counties in California

NWS Reno, NV issued this red flag warning at Jun 11, 2013, 10:39 AM PDT for 4 counties in California. It took effect at Jun 12, 2013, 11:00 AM PDT. It was in force for 12 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
Jun 11, 2013, 10:39 AM PDT (17:39 UTC)
In effect from
Jun 12, 2013, 11:00 AM PDT
Expired
Jun 12, 2013, 11:00 PM PDT
In force
12 hr
Issued by
NWS Reno, NV

Counties El Dorado County, CA, Nevada County, CA, Placer County, CA, Sierra County, CA

The radar

The Beale AFB radar (KBBX), 93 km from the middle of the area, began a volume at 17:43 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

Oakland, CA (KOAK), launched 12:00Z, 5.7 hours before the alert went out and 211 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, Oakland, CA at 12:00Z on 2013-06-11Temperature 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, Oakland, CA at 12:00Z on 2013-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.193958Sfc1 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
670 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

115 
WWUS85 KREV 111739
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
1039 AM PDT TUE JUN 11 2013


CAZ272-273-NVZ450-121200-
/O.NEW.KREV.FW.W.0002.130612T1800Z-130613T0300Z/
GREATER LAKE TAHOE AREA-MONO-EASTERN ALPINE COUNTIES-
WESTERN NEVADA SIERRA FRONT-
1039 AM PDT TUE JUN 11 2013

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM PDT WEDNESDAY
FOR GUSTY WINDS AND LOW HUMIDITY FOR THE GREATER LAKE TAHOE 
AREA...EASTERN ALPINE AND MONO COUNTIES...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 8 PM PDT WEDNESDAY.

* AFFECTED AREA...FIRE ZONE 272 GREATER LAKE TAHOE AREA...FIRE 
  ZONE 273 MONO-EASTERN ALPINE COUNTIES AND FIRE ZONE 450 
  WESTERN NEVADA SIERRA FRONT.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH.

* HUMIDITY...10 TO 15 PERCENT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL 
  CREATE CRITICAL FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR.  CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.  

&&

$$

NVZ453-459-121200-
/O.NEW.KREV.FW.W.0002.130612T2100Z-130613T0300Z/
WEST CENTRAL NEVADA BASIN AND RANGE-
MINERAL AND SOUTHERN LYON COUNTIES-
1039 AM PDT TUE JUN 11 2013

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT WEDNESDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA BASIN AND
RANGE...AND MINERAL AND SOUTHERN LYON COUNTIES...

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 TO 8 PM PDT WEDNESDAY.

* AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND 
  RANGE AND FIRE ZONE 459 MINERAL AND SOUTHERN LYON COUNTIES.

* WINDS...SOUTHWEST 15 TO 25 MPH GUSTS TO 35 MPH.

* HUMIDITY...5 TO 10 PERCENT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL 
  CREATE CRITICAL FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR.  CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.  

&&

$$

HTTP://WEATHER.GOV/RENO
4 follow-up statements
908 
WWUS85 KREV 120930
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
230 AM PDT WED JUN 12 2013

CAZ272-273-NVZ450-130300-
/O.CON.KREV.FW.W.0002.130612T1800Z-130613T0300Z/
GREATER LAKE TAHOE AREA-MONO-EASTERN ALPINE COUNTIES-
WESTERN NEVADA SIERRA FRONT-
230 AM PDT WED JUN 12 2013

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE
LAKE TAHOE BASIN...EASTERN SIERRA...AND THE WESTERN NEVADA SIERRA
FRONT...

* AFFECTED AREA...FIRE ZONE 272 GREATER LAKE TAHOE AREA...FIRE 
  ZONE 273 MONO-EASTERN ALPINE COUNTIES AND FIRE ZONE 450 
  WESTERN NEVADA SIERRA FRONT.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH. GUSTS TO
  45 MPH IN WIND PRONE AREAS ALONG HIGHWAY 395.

* GUSTS TO 60 MPH IN THE UPPER ELEVATIONS AND OVER SIERRA RIDGES.

* HUMIDITY...15 TO 20 PERCENT FOR THE TAHOE BASIN AND 10 TO 15
  PERCENT ELSEWHERE.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL 
  CREATE CRITICAL FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR.  CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.

&&

$$

NVZ453-459-130300-
/O.CON.KREV.FW.W.0002.130612T2100Z-130613T0300Z/
WEST CENTRAL NEVADA BASIN AND RANGE-
MINERAL AND SOUTHERN LYON COUNTIES-
230 AM PDT WED JUN 12 2013

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE
WEST CENTRAL NEVADA BASIN AND RANGE...MINERAL AND SOUTHERN LYON
COUNTIES...

* AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND 
  RANGE AND FIRE ZONE 459 MINERAL AND SOUTHERN LYON COUNTIES.

* WINDS...SOUTHWEST 15 TO 25 MPH GUSTS TO 40 MPH.

* GUSTS TO 45 MPH POSSIBLE IN WIND PRONE AREAS.

* HUMIDITY...5 TO 10 PERCENT.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL 
  CREATE CRITICAL FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR.  CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.

&&

$$

HTTP://WEATHER.GOV/RENO
329 
WWUS85 KREV 122219
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
319 PM PDT WED JUN 12 2013

CAZ272-273-NVZ450-130300-
/O.CON.KREV.FW.W.0002.000000T0000Z-130613T0300Z/
GREATER LAKE TAHOE AREA-MONO-EASTERN ALPINE COUNTIES-
WESTERN NEVADA SIERRA FRONT-
319 PM PDT WED JUN 12 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR THE LAKE TAHOE BASIN...
EASTERN SIERRA...AND THE WESTERN NEVADA SIERRA FRONT...

* AFFECTED AREA...FIRE ZONE 272 GREATER LAKE TAHOE AREA...FIRE 
  ZONE 273 MONO-EASTERN ALPINE COUNTIES AND FIRE ZONE 450 
  WESTERN NEVADA SIERRA FRONT.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH. GUSTS TO 
  45 MPH IN WIND PRONE AREAS ALONG HIGHWAY 395.

* GUSTS TO 60 MPH IN THE UPPER ELEVATIONS AND OVER SIERRA RIDGES.

* HUMIDITY...15 TO 20 PERCENT FOR THE TAHOE BASIN AND 10 TO 15 
  PERCENT ELSEWHERE.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL 
  CREATE CRITICAL FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR.  CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.

&&

$$

NVZ453-459-130300-
/O.CON.KREV.FW.W.0002.000000T0000Z-130613T0300Z/
WEST CENTRAL NEVADA BASIN AND RANGE-
MINERAL AND SOUTHERN LYON COUNTIES-
319 PM PDT WED JUN 12 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA
BASIN AND RANGE...MINERAL AND SOUTHERN LYON COUNTIES...

* AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND 
  RANGE AND FIRE ZONE 459 MINERAL AND SOUTHERN LYON COUNTIES.

* WINDS...SOUTHWEST 15 TO 25 MPH GUSTS TO 40 MPH. GUSTS TO 45 MPH
  POSSIBLE IN WIND PRONE AREAS.

* HUMIDITY...5 TO 10 PERCENT.

* ISOLATED THUNDERSTORMS HAVE DEVELOPED OVER EASTERN PERSHING
  COUNTY THIS AFTERNOON. A FEW DRY LIGHTNING STRIKES ARE POSSIBLE
  THROUGH EARLY EVENING.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL 
  CREATE CRITICAL FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR.  CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.

&&

$$

HTTP://WEATHER.GOV/RENO
443 
WWUS85 KREV 130058
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
558 PM PDT WED JUN 12 2013

CAZ272-273-NVZ450-130600-
/O.EXT.KREV.FW.W.0002.000000T0000Z-130613T0600Z/
GREATER LAKE TAHOE AREA-MONO-EASTERN ALPINE COUNTIES-
WESTERN NEVADA SIERRA FRONT-
558 PM PDT WED JUN 12 2013

...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR THE LAKE TAHOE BASIN...
EASTERN SIERRA...AND THE WESTERN NEVADA SIERRA FRONT...

* AFFECTED AREA...FIRE ZONE 272 GREATER LAKE TAHOE AREA...FIRE 
  ZONE 273 MONO-EASTERN ALPINE COUNTIES AND FIRE ZONE 450 
  WESTERN NEVADA SIERRA FRONT.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH. GUSTS TO 50 MPH
  IN WIND PRONE AREAS ALONG HIGHWAY 395.

* GUSTS TO 60 MPH IN THE UPPER ELEVATIONS AND OVER SIERRA RIDGES.

* HUMIDITY...AROUND 20 PERCENT FOR THE TAHOE BASIN THIS EVENING AND
  10 TO 15 PERCENT ELSEWHERE.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL 
  CREATE CRITICAL FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR.  CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.

&&

$$

NVZ453-459-130600-
/O.EXT.KREV.FW.W.0002.000000T0000Z-130613T0600Z/
WEST CENTRAL NEVADA BASIN AND RANGE-
MINERAL AND SOUTHERN LYON COUNTIES-
558 PM PDT WED JUN 12 2013

...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA
BASIN AND RANGE...MINERAL AND SOUTHERN LYON COUNTIES...

* AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND 
  RANGE AND FIRE ZONE 459 MINERAL AND SOUTHERN LYON COUNTIES.

* WINDS...SOUTHWEST 20 TO 30 MPH GUSTS TO 45 MPH. GUSTS TO 50 MPH
  POSSIBLE IN WIND PRONE AREAS.

* HUMIDITY...10 TO 15 PERCENT.

* ISOLATED THUNDERSTORMS HAVE DEVELOPED OVER EASTERN PERSHING 
  COUNTY THIS AFTERNOON. A FEW DRY LIGHTNING STRIKES ARE 
  POSSIBLE THROUGH EARLY EVENING.

* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL 
  CREATE CRITICAL FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR.  CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.

&&

$$

HTTP://WEATHER.GOV/RENO
648 
WWUS85 KREV 130557
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
1057 PM PDT WED JUN 12 2013


CAZ272-273-NVZ450-130700-
/O.EXP.KREV.FW.W.0002.000000T0000Z-130613T0600Z/
GREATER LAKE TAHOE AREA-MONO-EASTERN ALPINE COUNTIES-
WESTERN NEVADA SIERRA FRONT-
1057 PM PDT WED JUN 12 2013

...RED FLAG WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE LAKE TAHOE BASIN...EASTERN
SIERRA...AND THE WESTERN NEVADA SIERRA FRONT...

WINDS ARE DIMINISHING ACROSS THE TAHOE BASIN...MONO COUNTY AND THE
SIERRA FRONT. PEAK GUSTS ARE NEAR 20 MPH ASIDE FROM THE RIDGES
AND RH HAS INCREASED ABOVE 20%. THEREFORE THE RED FLAG WARNING
WILL EXPIRE AT 11 PM.

$$

NVZ453-459-130700-
/O.EXP.KREV.FW.W.0002.000000T0000Z-130613T0600Z/
WEST CENTRAL NEVADA BASIN AND RANGE-
MINERAL AND SOUTHERN LYON COUNTIES-
1057 PM PDT WED JUN 12 2013

...RED FLAG WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA BASIN
AND RANGE...MINERAL AND SOUTHERN LYON COUNTIES...

WINDS HAVE DIMINISHED ACROSS WESTERN NEVADA WITH PEAK GUSTS ONLY
TO 20 MPH. IN ADDITION...RH HAS INCREASE TO 20% OR HIGHER SO THE
RED FLAG WARNING WILL EXPIRE AT 11 PM.

$$

HTTP://WEATHER.GOV/RENO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 2:17 AM PDTLake Wind AdvisoryREVChurchill, Douglas, Lyon, Pershing, Washoe18 hr
Jun 11, 3:20 PM PDTLake Wind AdvisoryREVChurchill, Douglas, Lyon, Mineral, Pershing, Washoe29 hr

Nearby

Red Flag Warnings in California, 2013Red Flag Warnings in Nevada, 2013Every red flag warning in 2013

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.