Alert archive / California / Red Flag Warnings in 2012
Red Flag Warning 14, NWS Reno, NV
NWS Reno, NV issued this red flag warning at Jun 20, 2012, 1:20 PM PDT for Washoe County, Nevada; 5 counties in California. It took effect at Jun 21, 2012, 2:00 PM PDT. It was in force for 8 hr. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 20, 2012, 1:20 PM PDT (20:20 UTC)
- In effect from
- Jun 21, 2012, 2:00 PM PDT
- Expired
- Jun 21, 2012, 10:00 PM PDT
- In force
- 8 hr
- Issued by
- NWS Reno, NV
Counties El Dorado County, CA, Lassen County, CA, Nevada County, CA, Placer County, CA, Sierra County, CA, Washoe County, NV
The radar
The Reno radar (KRGX), 86 km from the middle of the area, began a volume at 20:18 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 5:27 PM PDT | NON-TSTM WND GST 52 | 5 N Reno, NV | |
| Jun 21, 7:40 PM PDT | NON-TSTM WND GST 65 | 3 W Spanish Springs, NV | |
| Jun 21, 7:50 PM PDT | NON-TSTM WND GST 56 | 4 Ne Mount Rose Ski Are, NV |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Reno, NV (KREV), launched 12:00Z, 8.3 hours before the alert went out and 194 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
- 3455 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
728 WWUS85 KREV 202020 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 120 PM PDT WED JUN 20 2012 ...GUSTY WINDS TO RETURN THURSDAY AFTERNOON AND EVENING... .HIGH PRESSURE TODAY WILL BREAK DOWN ON THURSDAY AS LOW PRESSURE MOVES INTO CALIFORNIA. THIS WILL BRING GUSTY WINDS TO PORTIONS OF NORTHEAST CALIFORNIA AND OUT INTO WEST CENTRAL NEVADA THURSDAY AFTERNOON AND EVENING. CAZ278-NVZ458-211400- /O.UPG.KREV.FW.A.0010.120621T2100Z-120622T0500Z/ /O.NEW.KREV.FW.W.0014.120621T2100Z-120622T0500Z/ EASTERN LASSEN COUNTY-NORTHERN WASHOE COUNTY- 120 PM PDT WED JUN 20 2012 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF EASTERN LASSEN COUNTY AND NORTHERN WASHOE COUNTY... 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 2 PM TO 10 PM PDT THURSDAY. * AFFECTED AREA...FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH FOR THURSDAY AFTERNOON AND EVENING. THE STRONGEST WINDS WILL OCCUR FROM 5 PM TO 9 PM. * HUMIDITY...MINIMUM VALUES FALLING TO 6 TO 14 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. && $$ CAZ272-NVZ450-211400- /O.UPG.KREV.FW.A.0010.120621T2100Z-120622T0500Z/ /O.NEW.KREV.FW.W.0014.120621T2100Z-120622T0500Z/ GREATER LAKE TAHOE AREA-WESTERN NEVADA SIERRA FRONT- 120 PM PDT WED JUN 20 2012 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE LAKE TAHOE AREA AND THE SIERRA FRONT... THE NATIONAL WEATHER SERVICE IN RENO HAS UPGRADED THE FIRE WEATHER WATCH TO A RED FLAG WARNING FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN EFFECT FROM 2 PM TO 10 PM PDT THURSDAY. * AFFECTED AREA...FIRE ZONE 272 GREATER LAKE TAHOE AREA AND FIRE ZONE 450 WESTERN NEVADA SIERRA FRONT. * WINDS...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH FOR THURSDAY AFTERNOON AND EVENING. OCCASIONAL HIGHER GUSTS TO NEAR 40 MPH IN WIND PRONE AREAS ALONG THE SIERRA. * HUMIDITY...MINIMUM VALUES FALLING TO 6 TO 12 PERCENT ALONG THE SIERRA FRONT WITH 11 TO 16 PERCENT IN THE LAKE TAHOE AREA. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ CAZ273-211400- /O.NEW.KREV.FW.W.0014.120621T2200Z-120622T0600Z/ MONO-EASTERN ALPINE COUNTIES- 120 PM PDT WED JUN 20 2012 ...RED FLAG WARNING IN EFFECT FROM 3 PM TO 11 PM PDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE EASTERN SIERRA... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN EFFECT FROM 3 PM TO 11 PM PDT THURSDAY. * AFFECTED AREA...FIRE ZONE 273 MONO-EASTERN ALPINE COUNTIES. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH LATE THURSDAY AFTERNOON AND THURSDAY EVENING. * HUMIDITY...MINIMUM VALUES FALLING TO 6 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. && $$ NVZ453-459-211400- /O.NEW.KREV.FW.W.0014.120621T2200Z-120622T0600Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 120 PM PDT WED JUN 20 2012 ...RED FLAG WARNING IN EFFECT FROM 3 PM TO 11 PM PDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA BASIN AND RANGE...AND SOUTHERN LYON AND MINERAL COUNTIES... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS IN EFFECT FROM 3 PM TO 11 PM PDT THURSDAY. * AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND RANGE AND FIRE ZONE 459 MINERAL AND SOUTHERN LYON COUNTIES. * WINDS...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH LATE THURSDAY AFTERNOON AND THURSDAY EVENING. * HUMIDITY...MINIMUM VALUES FALLING TO 3 TO 9 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ HTTP://WEATHER.GOV/RENO
3 follow-up statements
079 WWUS85 KREV 211122 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 422 AM PDT THU JUN 21 2012 ...CRITICAL FIRE WEATHER CONDITIONS TODAY... .LOW PRESSURE AND THE JET STREAM WILL PASS OVER THE SIERRA AND WESTERN NEVADA TODAY. THIS WILL PRODUCE GUSTY WINDS TO 40 MPH ACROSS NORTHEAST CALIFORNIA...THE EASTERN SIERRA AND WESTERN NEVADA FROM THIS AFTERNOON THROUGH THIS EVENING. PERIODS OF GUSTY WINDS ARE POSSIBLE FRIDAY THROUGH SUNDAY AS AN AREA OF LOW PRESSURE REMAINS OFF THE NORTHERN CALIFORNIA COAST. CAZ278-NVZ458-212330- /O.CON.KREV.FW.W.0014.120621T2100Z-120622T0500Z/ EASTERN LASSEN COUNTY-NORTHERN WASHOE COUNTY- 422 AM PDT THU JUN 21 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF EASTERN LASSEN COUNTY AND NORTHERN WASHOE COUNTY... * AFFECTED AREA...FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. THE STRONGEST WINDS WILL OCCUR FROM 5 PM TO 9 PM. * HUMIDITY...MINIMUM VALUES 6 TO 14 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ CAZ272-NVZ450-212330- /O.CON.KREV.FW.W.0014.120621T2100Z-120622T0500Z/ GREATER LAKE TAHOE AREA-WESTERN NEVADA SIERRA FRONT- 422 AM PDT THU JUN 21 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE LAKE TAHOE BASIN AND THE SIERRA FRONT... * AFFECTED AREA...FIRE ZONE 272 THE LAKE TAHOE AREA AND FIRE ZONE 450 WESTERN NEVADA SIERRA FRONT. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH. * HUMIDITY...MINIMUM VALUES 5 TO 11 PERCENT ALONG THE SIERRA FRONT WITH 12 TO 18 PERCENT IN THE LAKE TAHOE BASIN. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ CAZ273-212330- /O.CON.KREV.FW.W.0014.120621T2200Z-120622T0600Z/ MONO-EASTERN ALPINE COUNTIES- 422 AM PDT THU JUN 21 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE EASTERN SIERRA... * AFFECTED AREA...FIRE ZONE 273 MONO AND EASTERN ALPINE COUNTIES. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * HUMIDITY...MINIMUM VALUES 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 CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ NVZ453-459-212330- /O.CON.KREV.FW.W.0014.120621T2200Z-120622T0600Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 422 AM PDT THU JUN 21 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA BASIN AND RANGE...AND SOUTHERN LYON AND MINERAL COUNTIES... * AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND RANGE AND FIRE ZONE 459 MINERAL AND SOUTHERN LYON COUNTIES. * WINDS...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * HUMIDITY...MINIMUM VALUES 3 TO 9 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ HTTP://WEATHER.GOV/RENO
882 WWUS85 KREV 212224 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 324 PM PDT THU JUN 21 2012 ...CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS EVENING... .LOW PRESSURE AND THE JET STREAM PASSING OVER THE SIERRA AND WESTERN NEVADA THIS AFTERNOON AND EVENING HAS ALLOWED WINDS TO INCREASE ACROSS NORTHEAST CALIFORNIA...THE EASTERN SIERRA AND WESTERN NEVADA. LOW HUMIDITIES AND WIND GUSTS UP TO 40 MPH ARE EXPECTED THROUGH THIS EVENING. PERIODS OF GUSTY WINDS ARE POSSIBLE FRIDAY THROUGH SUNDAY AS AN AREA OF LOW PRESSURE REMAINS OFF THE NORTHERN CALIFORNIA COAST. CAZ273-220500- /O.EXT.KREV.FW.W.0014.000000T0000Z-120622T0500Z/ MONO-EASTERN ALPINE COUNTIES- 324 PM PDT THU JUN 21 2012 ...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE EASTERN SIERRA... * AFFECTED AREA...FIRE ZONE 273 MONO-EASTERN ALPINE COUNTIES. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * HUMIDITY...MINIMUM VALUES 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 CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ NVZ453-459-220500- /O.EXT.KREV.FW.W.0014.000000T0000Z-120622T0500Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 324 PM PDT THU JUN 21 2012 ...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA BASIN AND RANGE...AND SOUTHERN LYON AND MINERAL COUNTIES... * AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND RANGE AND FIRE ZONE 459 MINERAL AND SOUTHERN LYON COUNTIES. * WINDS...SOUTHWEST TO WEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * HUMIDITY...MINIMUM VALUES 3 TO 9 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ CAZ278-NVZ458-220500- /O.CON.KREV.FW.W.0014.000000T0000Z-120622T0500Z/ EASTERN LASSEN COUNTY-NORTHERN WASHOE COUNTY- 324 PM PDT THU JUN 21 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF EASTERN LASSEN COUNTY AND NORTHERN WASHOE COUNTY... * AFFECTED AREA...FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. THE STRONGEST WINDS WILL OCCUR FROM 5 PM TO 9 PM. * HUMIDITY...MINIMUM VALUES 6 TO 14 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ CAZ272-NVZ450-220500- /O.CON.KREV.FW.W.0014.000000T0000Z-120622T0500Z/ GREATER LAKE TAHOE AREA-WESTERN NEVADA SIERRA FRONT- 324 PM PDT THU JUN 21 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE LAKE TAHOE BASIN AND THE SIERRA FRONT... * AFFECTED AREA...FIRE ZONE 272 GREATER LAKE TAHOE AREA AND FIRE ZONE 450 WESTERN NEVADA SIERRA FRONT. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH. * HUMIDITY...MINIMUM VALUES 5 TO 11 PERCENT ALONG THE SIERRA FRONT WITH 12 TO 18 PERCENT IN THE LAKE TAHOE BASIN. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ HTTP://WEATHER.GOV/RENO
286 WWUS85 KREV 220511 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 1011 PM PDT THU JUN 21 2012 CAZ272-273-278-NVZ450-453-458-459-220615- /O.EXP.KREV.FW.W.0014.000000T0000Z-120622T0500Z/ GREATER LAKE TAHOE AREA-MONO-EASTERN ALPINE COUNTIES- EASTERN LASSEN COUNTY-WESTERN NEVADA SIERRA FRONT- WEST CENTRAL NEVADA BASIN AND RANGE-NORTHERN WASHOE COUNTY- MINERAL AND SOUTHERN LYON COUNTIES- 1011 PM PDT THU JUN 21 2012 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY FOR ALL EASTERN SIERRA AND WESTERN NEVADA FIRE ZONES... WINDS WERE GRADUALLY DECREASING AND HUMIDITY LEVELS WERE BEGINNING TO RISE. CONDITIONS NO LONGER MEET RED FLAG CRITERIA. $$ HTTP://WEATHER.GOV/RENO
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:01 AM PDT | Fire Weather Watch | REV | Washoe | 6 hr |
| Jun 20, 2:46 PM PDT | Lake Wind Advisory | REV | Churchill, Douglas, Lyon, Mineral, Pershing, Washoe | 31 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.