Alert archive / Nevada / Red Flag Warnings in 2012

Red Flag Warning 27, NWS Reno, NV

October 3, 2012Washoe County, Nevada

NWS Reno, NV issued this red flag warning at Oct 3, 2012, 3:25 PM PDT for Washoe County, Nevada. It took effect at Oct 4, 2012, 12:00 PM PDT. 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
Oct 3, 2012, 3:25 PM PDT (22:25 UTC)
In effect from
Oct 4, 2012, 12:00 PM PDT
Expired
Oct 4, 2012, 8:00 PM PDT
In force
8 hr
Issued by
NWS Reno, NV

County Washoe County, NV

The radar

The Reno radar (KRGX), 103 km from the middle of the area, began a volume at 22:23 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 12:00Z, 10.4 hours before the alert went out and 174 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 12:00Z on 2012-10-03Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 2012-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
4036 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
100 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.

435 
WWUS85 KREV 032225
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
325 PM PDT WED OCT 3 2012


NVZ458-041100-
/O.NEW.KREV.FW.W.0027.121004T1900Z-121005T0300Z/
NORTHERN WASHOE COUNTY-
325 PM PDT WED OCT 3 2012

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM PDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR NORTHERN WASHOE COUNTY...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN EFFECT
FROM NOON TO 8 PM PDT THURSDAY.

* AFFECTED AREA...FIRE ZONE 458 NORTHERN WASHOE COUNTY.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY...10 TO 15%.

* 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
3 follow-up statements
241 
WWUS85 KREV 041011
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
311 AM PDT THU OCT 4 2012

NVZ458-042300-
/O.CON.KREV.FW.W.0027.121004T1900Z-121005T0300Z/
NORTHERN WASHOE COUNTY-
311 AM PDT THU OCT 4 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHERN WASHOE
COUNTY...

* AFFECTED AREA...FIRE ZONE 458 NORTHERN WASHOE COUNTY.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY...7 TO 13%.

* 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.

&&

$$

HOON

HTTP://WEATHER.GOV/RENO
165 
WWUS85 KREV 042156
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
256 PM PDT THU OCT 4 2012

NVZ458-050300-
/O.CON.KREV.FW.W.0027.000000T0000Z-121005T0300Z/
NORTHERN WASHOE COUNTY-
256 PM PDT THU OCT 4 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHERN WASHOE COUNTY...

* AFFECTED AREA...FIRE ZONE 458 NORTHERN WASHOE COUNTY.

* WINDS...WEST 15 TO 20 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY...7 TO 13%.

* 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
509 
WWUS85 KREV 050253
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
753 PM PDT THU OCT 4 2012

NVZ458-050400-
/O.EXP.KREV.FW.W.0027.000000T0000Z-121005T0300Z/
NORTHERN WASHOE COUNTY-
753 PM PDT THU OCT 4 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR GUSTY
WINDS AND LOW HUMIDITY FOR NORTHERN WASHOE COUNTY...

WINDS HAVE DIMINISHED OVER NORTHWEST NEVADA THIS EVENING. LIGHTER
WINDS WILL CONTINUE OVERNIGHT WITH RISING HUMIDITY...SO THE RED
FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 8 PM.

$$
MJD

HTTP://WEATHER.GOV/RENO

Nearby

Red Flag Warnings in Nevada, 2012Every red flag warning in 2012

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.