Alert archive / California / Red Flag Warnings in 2012
Red Flag Warning 26, NWS Reno, NV
NWS Reno, NV issued this red flag warning at Sep 15, 2012, 6:56 AM PDT for Lassen County, Modoc County, California; Washoe County, Nevada. It took effect at Sep 15, 2012, 1:00 PM PDT. It was in force for 7 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
- Sep 15, 2012, 6:56 AM PDT (13:56 UTC)
- In effect from
- Sep 15, 2012, 1:00 PM PDT
- Expired
- Sep 15, 2012, 8:00 PM PDT
- In force
- 7 hr
- Issued by
- NWS Reno, NV
Counties Lassen County, CA, Modoc County, CA, Washoe County, NV
The radar
The Reno radar (KRGX), 154 km from the middle of the area, began a volume at 14:02 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, 1.9 hours before the alert went out and 239 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3187 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
993 WWUS85 KREV 151356 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 656 AM PDT SAT SEP 15 2012 CAZ270-278-NVZ458-160200- /O.NEW.KREV.FW.W.0026.120915T2000Z-120916T0300Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 656 AM PDT SAT SEP 15 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR EXTREME NORTHEAST CALIFORNIA AND EXTREME NORTHWEST NEVADA... 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 THIS AFTERNOON TO 8 PM PDT THIS EVENING. * AFFECTED AREA...FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA... FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS OF 30 TO 35 MPH THIS AFTERNOON AND EARLY EVENING. * HUMIDITY...7 TO 15 PERCENT DURING THE AFTERNOON. * 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. && $$ HTTP://WEATHER.GOV/RENO
2 follow-up statements
008 WWUS85 KREV 152158 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 258 PM PDT SAT SEP 15 2012 CAZ270-278-NVZ458-160300- /O.CON.KREV.FW.W.0026.000000T0000Z-120916T0300Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 258 PM PDT SAT SEP 15 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR EXTREME NORTHEAST CALIFORNIA AND EXTREME NORTHWEST NEVADA... * AFFECTED AREA...FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA... FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...WEST TO SOUTHWEST 15 TO 20 MPH WITH GUSTS OF 30 TO 35 MPH THIS AFTERNOON AND EARLY EVENING. * HUMIDITY...7 TO 15 PERCENT THIS AFTERNOON. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ HTTP://WEATHER.GOV/RENO
234 WWUS85 KREV 160235 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 735 PM PDT SAT SEP 15 2012 CAZ270-278-NVZ458-160345- /O.EXP.KREV.FW.W.0026.000000T0000Z-120916T0300Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 735 PM PDT SAT SEP 15 2012 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR EXTREME NORTHEAST CALIFORNIA AND EXTREME NORTHWEST NEVADA... WEST TO SOUTHWEST WINDS OF 10 TO 15 MPH WITH GUSTS TO NEAR 25 MPH WILL CONTINUE TO DECREASE THIS EVENING. LATER THIS EVENING THE HUMIDITY WILL BEGIN TO RISE AS WELL. AS FIRE WEATHER CONDITIONS HAVE DROPPED BELOW CRITICAL LEVELS AND WILL CONTINUE IMPROVING THROUGH THE EVENING THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 8 PM. $$ HTTP://WEATHER.GOV/RENO
Nearby
Red Flag Warnings in California, 2012Red 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.