Alert archive / California / Red Flag Warnings in 2012
Red Flag Warning 22, NWS Reno, NV
NWS Reno, NV issued this red flag warning at Aug 25, 2012, 1:35 PM PDT for 4 counties in California; Washoe County, Nevada. It took effect at Aug 26, 2012, 12:00 PM PDT. It was in force for 10 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 25, 2012, 1:35 PM PDT (20:35 UTC)
- In effect from
- Aug 26, 2012, 12:00 PM PDT
- Expired
- Aug 26, 2012, 10:00 PM PDT
- In force
- 10 hr
- Issued by
- NWS Reno, NV
Counties Lassen County, CA, Modoc County, CA, Plumas County, CA, Sierra County, CA, Washoe County, NV
The nearest sounding before it
Reno, NV (KREV), launched 12:00Z, 8.6 hours before the alert went out and 219 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
- 2593 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
871 WWUS85 KREV 252035 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 135 PM PDT SAT AUG 25 2012 ...GUSTY WINDS THROUGH TUESDAY... .A LOW PRESSURE SYSTEM NEAR THE PACIFIC NORTHWEST COAST WILL INCREASE WINDS THROUGH TUESDAY. GUSTY WINDS ARE EXPECTED EACH DAY THROUGH TUESDAY WITH THE STRONGEST WINDS SUNDAY AND AGAIN TUESDAY. VERY DRY AIR AND GUSTY WINDS WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS SUNDAY AFTERNOON AND EVENING ACROSS NORTHEAST CALIFORNIA AND NORTHWEST NEVADA AND POSSIBLY AGAIN TUESDAY. CAZ270-271-278-NVZ458-261400- /O.UPG.KREV.FW.A.0016.120826T1900Z-120827T0500Z/ /O.NEW.KREV.FW.W.0022.120826T1900Z-120827T0500Z/ /O.NEW.KREV.FW.A.0017.120828T1900Z-120829T0400Z/ SURPRISE VALLEY CALIFORNIA-WESTERN LASSEN-EASTERN PLUMAS- EASTERN SIERRA-EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 135 PM PDT SAT AUG 25 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM PDT SUNDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... THE NATIONAL WEATHER SERVICE IN RENO HAS UPGRADED THE FIRE WEATHER WATCH TO A RED FLAG WARNING FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 10 PM PDT SUNDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FOR GUSTY WINDS AND LOW HUMIDITY TUESDAY AFTERNOON THROUGH TUESDAY EVENING. * AFFECTED AREA...FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA... FIRE ZONE 271 WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES...FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS TO 35 MPH. * HUMIDITY...5 TO 15 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS SUNDAY AND POSSIBLY AGAIN ON TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. CHECK WEATHER.GOV/RENO FOR UPDATES AND POSSIBLE RED FLAG WARNINGS. && $$ HTTP://WEATHER.GOV/RENO
4 follow-up statements
963 WWUS85 KREV 261249 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 549 AM PDT SUN AUG 26 2012 ...GUSTY WINDS THROUGH TUESDAY... .A LOW PRESSURE SYSTEM NEAR THE PACIFIC NORTHWEST COAST WILL INCREASE WINDS THROUGH TUESDAY. GUSTY WINDS ARE EXPECTED EACH DAY THROUGH TUESDAY WITH THE STRONGEST WINDS SUNDAY AND AGAIN TUESDAY. VERY DRY AIR AND GUSTY WINDS WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS SUNDAY AFTERNOON AND EVENING ACROSS NORTHEAST CALIFORNIA AND NORTHWEST NEVADA AND POSSIBLY AGAIN TUESDAY. CAZ270-271-278-NVZ458-262300- /O.CON.KREV.FW.W.0022.120826T1900Z-120827T0500Z/ /O.CON.KREV.FW.A.0017.120828T1900Z-120829T0400Z/ SURPRISE VALLEY CALIFORNIA-WESTERN LASSEN-EASTERN PLUMAS- EASTERN SIERRA-EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 549 AM PDT SUN AUG 26 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... * AFFECTED AREA...FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA... FIRE ZONE 271 WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES...FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. * HUMIDITY...4 TO 15 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS TODAY AND POSSIBLY AGAIN ON TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. CHECK WEATHER.GOV/RENO FOR UPDATES AND POSSIBLE RED FLAG WARNINGS. && $$ HOON HTTP://WEATHER.GOV/RENO
967 WWUS85 KREV 261319 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 619 AM PDT SUN AUG 26 2012 ...GUSTY WINDS THROUGH TUESDAY... .A LOW PRESSURE SYSTEM NEAR THE PACIFIC NORTHWEST COAST WILL INCREASE WINDS THROUGH TUESDAY. GUSTY WINDS ARE EXPECTED EACH DAY THROUGH TUESDAY WITH THE STRONGEST WINDS SUNDAY AND AGAIN TUESDAY. VERY DRY AIR AND GUSTY WINDS WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS SUNDAY AFTERNOON AND EVENING ACROSS NORTHEAST CALIFORNIA AND NORTHWEST NEVADA AND POSSIBLY AGAIN TUESDAY. NVZ450-270130- /O.EXA.KREV.FW.W.0022.120826T1900Z-120827T0500Z/ WESTERN NEVADA SIERRA FRONT- 619 AM PDT SUN AUG 26 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR 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 NOON TODAY TO 10 PM PDT THIS EVENING. * AFFECTED AREA...FIRE ZONE 450 WESTERN NEVADA SIERRA FRONT. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. * HUMIDITY...4 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. && $$ CAZ270-271-278-NVZ458-270130- /O.CON.KREV.FW.W.0022.120826T1900Z-120827T0500Z/ /O.CON.KREV.FW.A.0017.120828T1900Z-120829T0400Z/ SURPRISE VALLEY CALIFORNIA-WESTERN LASSEN-EASTERN PLUMAS- EASTERN SIERRA-EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 619 AM PDT SUN AUG 26 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... * AFFECTED AREA...FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA... FIRE ZONE 271 WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES...FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. * HUMIDITY...7 TO 14 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS TODAY AND POSSIBLY AGAIN ON TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. CHECK WEATHER.GOV/RENO FOR UPDATES AND POSSIBLE RED FLAG WARNINGS. && $$ HOON HTTP://WEATHER.GOV/RENO
436 WWUS85 KREV 262028 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 128 PM PDT SUN AUG 26 2012 ...GUSTY WINDS THROUGH TUESDAY... .A LOW PRESSURE SYSTEM NEAR THE PACIFIC NORTHWEST COAST WILL BRING PERIODS OF WIND THROUGH TUESDAY. GUSTY WINDS ARE EXPECTED EACH DAY THROUGH TUESDAY WITH THE STRONGEST WINDS THROUGH THIS EVENING AND AGAIN TUESDAY. VERY DRY AIR AND GUSTY WINDS WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING ACROSS NORTHEAST CALIFORNIA AND NORTHWEST NEVADA AND POSSIBLY AGAIN TUESDAY. CAZ270-271-278-NVZ458-270830- /O.CON.KREV.FW.W.0022.000000T0000Z-120827T0500Z/ /O.CON.KREV.FW.A.0017.120828T1900Z-120829T0400Z/ SURPRISE VALLEY CALIFORNIA-WESTERN LASSEN-EASTERN PLUMAS- EASTERN SIERRA-EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 128 PM PDT SUN AUG 26 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... * AFFECTED AREA...FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA... FIRE ZONE 271 WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES...FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH. * HUMIDITY...7 TO 14 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS THIS EVENING AND POSSIBLY AGAIN ON TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. CHECK WEATHER.GOV/RENO FOR UPDATES AND POSSIBLE RED FLAG WARNINGS. && $$ NVZ450-270500- /O.CON.KREV.FW.W.0022.000000T0000Z-120827T0500Z/ WESTERN NEVADA SIERRA FRONT- 128 PM PDT SUN AUG 26 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WESTERN NEVADA SIERRA FRONT... * AFFECTED AREA...FIRE ZONE 450 WESTERN NEVADA SIERRA FRONT. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. * HUMIDITY...5 TO 15 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ HTTP://WEATHER.GOV/RENO
625 WWUS85 KREV 270437 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 937 PM PDT SUN AUG 26 2012 ...GUSTY WINDS THROUGH TUESDAY... .A LOW PRESSURE SYSTEM NEAR THE PACIFIC NORTHWEST COAST WILL BRING DRY CONDITIONS AND GUSTY WINDS TO NORTHEAST CALIFORNIA AND NORTHWEST NEVADA TUESDAY. CAZ270-271-278-NVZ458-271645- /O.EXP.KREV.FW.W.0022.000000T0000Z-120827T0500Z/ /O.CON.KREV.FW.A.0017.120828T1900Z-120829T0400Z/ SURPRISE VALLEY CALIFORNIA-WESTERN LASSEN-EASTERN PLUMAS- EASTERN SIERRA-EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 937 PM PDT SUN AUG 26 2012 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... * AFFECTED AREA...FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA...FIRE ZONE 271 WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA-EASTERN NEVADA COUNTIES...FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH. * HUMIDITY...7 TO 14 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. CHECK WEATHER.GOV/RENO FOR UPDATES AND POSSIBLE RED FLAG WARNINGS. && $$ NVZ450-270545- /O.EXP.KREV.FW.W.0022.000000T0000Z-120827T0500Z/ WESTERN NEVADA SIERRA FRONT- 937 PM PDT SUN AUG 26 2012 ...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WESTERN NEVADA SIERRA FRONT... WINDS CONTINUE TO DECREASE ALONG THE WESTERN NEVADA SIERRA FRONT WITH HUMIDITY RISING ABOVE 20 PERCENT. WINDS WILL BE LIGHTER MONDAY...BUT GUSTY WINDS NEAR 30 MPH ARE POSSIBLE TUESDAY AFTERNOON. $$ HTTP://WEATHER.GOV/RENO
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 1:35 PM PDT | Fire Weather Watch | REV | Lassen, Modoc, Plumas, Sierra | 41 hr |
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.