Alert archive / California / Red Flag Warnings in 2014

Red Flag Warning 13, NWS Reno, NV

July 10, 2014Lassen County, Plumas County, Sierra County, California

NWS Reno, NV issued this red flag warning at Jul 10, 2014, 12:10 PM PDT for Lassen County, Plumas County, Sierra County, California. It took effect at Jul 10, 2014, 11:00 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
Jul 10, 2014, 12:10 PM PDT (19:10 UTC)
In effect from
Jul 10, 2014, 11:00 PM PDT
Expired
Jul 11, 2014, 6:39 AM PDT
In force
8 hr
Issued by
NWS Reno, NV

Counties Lassen County, CA, Plumas County, CA, Sierra County, CA

The radar

The Beale AFB radar (KBBX), 107 km from the middle of the area, began a volume at 19:09 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, 7.2 hours before the alert went out and 217 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 2014-07-10Temperature 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 12:00Z on 2014-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.1939Sfc1 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
2960 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
44 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.

409 
WWUS85 KREV 101910
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
1210 PM PDT THU JUL 10 2014

CAZ271-278-111400-
/O.NEW.KREV.FW.W.0013.140711T0600Z-140711T1800Z/
WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA-
EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY-
1210 PM PDT THU JUL 10 2014

...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM
PDT FRIDAY FOR THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR THE
NORTHEASTERN SIERRA AND NORTHEASTERN CALIFORNIA...

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG
WARNING FOR THUNDERSTORMS AND STRONG OUTFLOW WINDS...WHICH IS IN
EFFECT FROM 11 PM THIS EVENING TO 11 AM PDT FRIDAY.

* AFFECTED AREA...FIRE ZONE 271 WESTERN LASSEN-EASTERN PLUMAS- 
  EASTERN SIERRA-EASTERN NEVADA COUNTIES AND FIRE ZONE 278 
  EASTERN LASSEN COUNTY.

* THUNDERSTORMS...SCATTERED ELEVATED THUNDERSTORMS WILL DEVELOP
  OVERNIGHT AND INTO EARLY FRIDAY MORNING. THUNDERSTORMS WILL BE A
  MIX OF WET AND DRY.

* OUTFLOW WINDS...GUSTS UP TO 35 MPH POSSIBLE NEAR THUNDERSTORMS.

* IMPACTS...LIGHTNING MAY CREATE NEW FIRE STARTS AND COMBINE 
  WITH STRONG OUTFLOW WINDS TO PRODUCE RAPID FIRE GROWTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING FOR DRY LIGHTNING MEANS NUMEROUS NEW WILDFIRE
STARTS FROM LIGHTNING ARE POSSIBLE. REPORT NEW FIRES TO
911 IMMEDIATELY. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES
AND PREPAREDNESS TIPS.

&&

$$

HOON

HTTP://WEATHER.GOV/RENO
1 follow-up statement
060 
WWUS85 KREV 111339
RFWREV

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
639 AM PDT FRI JUL 11 2014


CAZ271-278-111445-
/O.CAN.KREV.FW.W.0013.000000T0000Z-140711T1800Z/
WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA-
EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY-
639 AM PDT FRI JUL 11 2014

...RED FLAG WARNING IS CANCELLED FOR THUNDERSTORMS WITH OUTFLOW
WINDS FOR NORTHEAST CALIFORNIA...

THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE RED FLAG
WARNING.

INSTABILITY HAS WANED THIS MORNING WITH ONLY SHOWERS ACROSS
NORTHEAST CALIFORNIA. WHILE ISOLATED THUNDERSTORMS WILL FORM LATER
THIS AFTERNOON...THE RED FLAG WARNING IS CANCELED.

$$

HTTP://WEATHER.GOV/RENO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 12:40 PM PDTSpecial Weather StatementREVMono50 min

Nearby

Red Flag Warnings in California, 2014Every red flag warning in 2014

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.