Alert archive / California / Red Flag Warnings in 2011
Red Flag Warning 10, NWS Reno, NV
NWS Reno, NV issued this red flag warning at Sep 7, 2011, 1:50 PM PDT for 4 counties in California; Washoe County, Nevada. It took effect at Sep 7, 2011, 9:00 PM PDT. It was in force for 14 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 7, 2011, 1:50 PM PDT (20:50 UTC)
- In effect from
- Sep 7, 2011, 9:00 PM PDT
- Expired
- Sep 8, 2011, 11:00 AM PDT
- In force
- 14 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, 8.8 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
- 3168 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
079 WWUS85 KREV 072050 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 150 PM PDT WED SEP 7 2011 ...DRY THUNDERSTORM POTENTIAL TONIGHT INTO THURSDAY MORNING... .AN AREA OF LOW PRESSURE MOVING INTO NORTHERN CALIFORNIA WILL BRING A THREAT FOR THUNDERSTORMS TO NORTHEAST CALIFORNIA AND PARTS OF NORTHWEST NEVADA TONIGHT WITH THUNDERSTORMS SHIFTING MAINLY TO THE BASIN AND RANGE AFTER DAYBREAK. THUNDERSTORMS ARE EXPECTED TO BE SLOWER MOVING AND WETTER BY THURSDAY AFTERNOON. CAZ270-271-278-NVZ458-081400- /O.UPG.KREV.FW.A.0010.110908T0600Z-110909T0300Z/ /O.NEW.KREV.FW.W.0010.110908T0400Z-110908T1500Z/ SURPRISE VALLEY CALIFORNIA-WESTERN LASSEN-EASTERN PLUMAS- EASTERN SIERRA-EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 150 PM PDT WED SEP 7 2011 ...RED FLAG WARNING IN EFFECT FROM 9 PM THIS EVENING TO 8 AM PDT THURSDAY FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS ACROSS NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... THE NATIONAL WEATHER SERVICE IN RENO HAS UPGRADED THE FIRE WEATHER WATCH TO A RED FLAG WARNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 8 AM PDT THURSDAY. * 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. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS EVENING PERSIST UNTIL AROUND DAYBREAK. THUNDERSTORMS WILL PRODUCE LITTLE RAINFALL AS THEY WILL BE MOVING QUICKLY TO THE NORTH. * OUTFLOW WINDS...GUSTS UP TO 45 MPH. * IMPACTS...LIGHTNING MAY CREATE NEW FIRE STARTS AND COMBINE WITH STRONG OUTFLOW WINDS TO PRODUCE RAPID FIRE GROWTH. IN ADDITION TEMPERATURES ARE EXPECTED TO REMAIN MILD WITH ONLY POOR TO MODERATE HUMIDITY RECOVERIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ NVZ453-081400- /O.UPG.KREV.FW.A.0010.110908T0800Z-110909T0300Z/ /O.NEW.KREV.FW.W.0010.110908T0700Z-110908T1800Z/ WEST CENTRAL NEVADA BASIN AND RANGE- 150 PM PDT WED SEP 7 2011 ...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM PDT THURSDAY MORNING FOR DRY THUNDERSTORMS AND STRONG OUTFLOW WINDS IN THE BASIN AND RANGE... THE NATIONAL WEATHER SERVICE IN RENO HAS UPGRADED THE FIRE WEATHER WATCH TO A RED FLAG WARNING FOR DRY THUNDERSTORMS AND STRONG OUTFLOW WINDS...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM PDT THURSDAY. * AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND RANGE. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED FROM LATE TONIGHT THROUGH THURSDAY MORNING. MOST THUNDERSTORMS WILL PRODUCE LITTLE RAINFALL AS THEY WILL BE MOVING QUICKLY TO THE NORTH. * OUTFLOW WINDS...GUSTS UP TO 45 MPH. * IMPACTS...LIGHTNING MAY CREATE NEW FIRE STARTS AND COMBINE WITH STRONG OUTFLOW WINDS TO PRODUCE RAPID FIRE GROWTH. IN ADDITION MILD TEMPERATURES WILL RESULT IN POOR OVERNIGHT HUMIDITY RECOVERIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ HTTP://WEATHER.GOV/RENO
3 follow-up statements
315 WWUS85 KREV 081101 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 401 AM PDT THU SEP 8 2011 ...DRY THUNDERSTORM POTENTIAL THROUGH THIS MORNING... .AN AREA OF LOW PRESSURE MOVING ACROSS NORTHERN CALIFORNIA WILL CONTINUE THE THREAT OF DRY THUNDERSTORMS OVER NORTHEAST CALIFORNIA AND PARTS OF NORTHWEST NEVADA THROUGH THIS MORNING...WITH THUNDERSTORMS SHIFTING MAINLY TO THE BASIN AND RANGE BY LATE MORNING. THUNDERSTORMS ARE EXPECTED TO BE SLOWER MOVING AND WETTER BY THIS AFTERNOON. NVZ453-081800- /O.CON.KREV.FW.W.0010.000000T0000Z-110908T1800Z/ WEST CENTRAL NEVADA BASIN AND RANGE- 401 AM PDT THU SEP 8 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING FOR DRY THUNDERSTORMS AND STRONG OUTFLOW WINDS IN THE BASIN AND RANGE... * AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND RANGE. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGH LATE THIS MORNING. MOST THUNDERSTORMS WILL PRODUCE LITTLE RAINFALL AS THEY WILL BE MOVING NORTH AT 15 TO 20 MPH. * OUTFLOW WINDS...GUSTS UP TO 45 MPH. * IMPACTS...LIGHTNING MAY CREATE NEW FIRE STARTS AND COMBINE WITH STRONG OUTFLOW WINDS TO PRODUCE RAPID FIRE GROWTH. IN ADDITION MILD TEMPERATURES WILL RESULT IN POOR OVERNIGHT HUMIDITY RECOVERIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ CAZ270-271-278-NVZ458-081500- /O.CON.KREV.FW.W.0010.000000T0000Z-110908T1500Z/ SURPRISE VALLEY CALIFORNIA-WESTERN LASSEN-EASTERN PLUMAS- EASTERN SIERRA-EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 401 AM PDT THU SEP 8 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS ACROSS NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... * AFFECTED AREA...FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA... FIRE ZONE 271 WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES...FIRE ZONE 278 EASTERN LASSEN COUNTY AND FIRE ZONE 458 NORTHERN WASHOE COUNTY. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THIS MORNING. THUNDERSTORMS EARLY THIS MORNING WILL PRODUCE LITTLE RAINFALL AS THEY WILL BE MOVING NORTH AT NEAR 15 MPH. THE THUNDERSTORMS WILL BEGIN TO PRODUCE RAIN LATER THIS MORNING AS THE MOVEMENT SLOWS TO AROUND 10 MPH. * OUTFLOW WINDS...GUSTS UP TO 45 MPH. * IMPACTS...LIGHTNING MAY CREATE NEW FIRE STARTS AND COMBINE WITH STRONG OUTFLOW WINDS TO PRODUCE RAPID FIRE GROWTH. IN ADDITION TEMPERATURES ARE EXPECTED TO REMAIN MILD WITH ONLY POOR TO MODERATE HUMIDITY RECOVERIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ HTTP://WEATHER.GOV/RENO
812 WWUS85 KREV 081401 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 701 AM PDT THU SEP 8 2011 CAZ270-271-278-NVZ458-081515- /O.CAN.KREV.FW.W.0010.000000T0000Z-110908T1500Z/ SURPRISE VALLEY CALIFORNIA-WESTERN LASSEN-EASTERN PLUMAS- EASTERN SIERRA-EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 701 AM PDT THU SEP 8 2011 ...RED FLAG WARNING IS CANCELLED FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS ACROSS NORTHEAST CALIFORNIA AND NORTHWEST NEVADA... THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE RED FLAG WARNING. ISOLATED THUNDERSTORMS WILL REDEVELOP LATER TODAY BUT ARE MORE LIKELY TO BECOME WET. THE THREAT FOR CRITICAL DRY LIGHTNING HAS ENDED OVER NORTHEAST CALIFORNIA AND FAR NORTHWEST NEVADA. $$ NVZ453-081800- /O.CON.KREV.FW.W.0010.000000T0000Z-110908T1800Z/ WEST CENTRAL NEVADA BASIN AND RANGE- 701 AM PDT THU SEP 8 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING FOR DRY THUNDERSTORMS AND STRONG OUTFLOW WINDS IN THE BASIN AND RANGE... * AFFECTED AREA...FIRE ZONE 453 WEST CENTRAL NEVADA BASIN AND RANGE. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGH LATE THIS MORNING. MOST THUNDERSTORMS WILL PRODUCE LITTLE RAINFALL AS THEY WILL BE MOVING NORTH AT 15 TO 20 MPH. THE MOST WIDESPREAD COVERAGE WILL BE EAST OF LOVELOCK AND FALLON. * OUTFLOW WINDS...GUSTS UP TO 45 MPH. * IMPACTS...LIGHTNING MAY CREATE NEW FIRE STARTS AND COMBINE WITH STRONG OUTFLOW WINDS TO PRODUCE RAPID FIRE GROWTH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES. && $$ HTTP://WEATHER.GOV/RENO
445 WWUS85 KREV 081803 RFWREV URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE RENO NV 1103 AM PDT THU SEP 8 2011 NVZ453-081915- /O.EXP.KREV.FW.W.0010.000000T0000Z-110908T1800Z/ WEST CENTRAL NEVADA BASIN AND RANGE- 1103 AM PDT THU SEP 8 2011 ...RED FLAG WARNING HAS EXPIRED FOR DRY THUNDERSTORMS AND STRONG OUTFLOW WINDS IN THE BASIN AND RANGE... THE RED FLAG WARNING IS NO LONGER IN EFFECT. THUNDERSTORMS HAVE DIMINISHED ACROSS THE BASIN AND RANGE THIS MORNING. ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP AGAIN THIS AFTERNOON BUT WITH SLOW STORM MOTIONS AND INCREASED MOISTURE...MOST THUNDERSTORMS WILL PRODUCE WETTING RAINS. $$ HTTP://WEATHER.GOV/RENO
Nearby
Red Flag Warnings in California, 2011Red Flag Warnings in Nevada, 2011Every red flag warning in 2011
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.