Alert archive / California / Red Flag Warnings in 2007
Red Flag Warning 17, NWS Reno, NV
NWS Reno, NV issued this red flag warning at Aug 3, 2007, 3:35 PM PDT for Lassen County, Modoc County, California; Washoe County, Nevada. It took effect at Aug 4, 2007, 1:00 PM PDT. It was in force for 9 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 3, 2007, 3:35 PM PDT (22:35 UTC)
- In effect from
- Aug 4, 2007, 1:00 PM PDT
- Expired
- Aug 4, 2007, 10:00 PM PDT
- In force
- 9 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 22:36 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, 10.6 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
- 3820 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS85 KREV 032235 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 335 PM PDT FRI AUG 3 2007 ...DRY AND BREEZY CONDITIONS EXPECTED THIS WEEKEND... .LOW PRESSURE WILL DEVELOP ALONG THE WEST COAST THIS WEEKEND BRINGING A DRY SOUTHWEST FLOW ALOFT. AFTERNOON WEST WINDS WILL ALSO BE ENHANCED BRINGING CRITICAL FIRE WEATHER CONDITIONS ON SATURDAY. THE AREA OF LOW PRESSURE IS EXPECTED TO REMAIN OFF THE WEST COAST THROUGH SUNDAY. THIS MEANS BREEZY CONDITIONS AND THE POTENTIAL FOR CRITICAL FIRE CONDITIONS MAY CONTINUE SUNDAY. CAZ270-278-NVZ450-458-040645- /O.UPG.KREV.FW.A.0016.070804T2000Z-070805T0300Z/ /O.NEW.KREV.FW.W.0017.070804T2000Z-070805T0300Z/ /O.NEW.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- WESTERN NEVADA SIERRA FRONT-NORTHERN WASHOE COUNTY- 335 PM PDT FRI AUG 3 2007 ...RED FLAG WARNING IN EFFECT FROM 1 PM TO 8 PM PDT SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FUR GUSTY WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM TO 8 PM PDT SATURDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WEST WINDS WILL EXPECTED TO INCREASE ALONG THE SIERRA FRONT AND ACROSS THE DESERTS IN EASTERN LASSEN AND NORTHERN WASHOE COUNTIES EARLY SATURDAY AFTERNOON. GUSTS WILL BE 30-35 MPH AND COMBINE WITH AFTERNOON HUMIDITY VALUES OF NEAR 10 PERCENT. THE POSSIBLE COMBINATION OF LOW HUMIDITY AND BREEZY CONDITIONS WOULD RESULT IN CRITICAL FIRE WEATHER CONDITIONS. THE WINDS ARE EXPECTED TO DIMINISH DURING THE EVENING HOURS. WINDS ARE ALSO EXPECTED TO INCREASE AGAIN ON SUNDAY WITH GUSTS AROUND 35 MPH POSSIBLE WITH CONTINUED LOW HUMIDITY OF 10-15 PERCENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ271-272-040645- /O.NEW.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES-GREATER LAKE TAHOE AREA- 335 PM PDT FRI AUG 3 2007 ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO INCREASE SUNDAY AFTERNOON AND EVENING ACROSS THE NORTHERN SIERRA FROM WESTERN LASSEN COUNTY SOUTH TO THE TAHOE BASIN. WIND GUSTS OF 30-35 MPH ARE POSSIBLE SUNDAY AND MAY COINCIDE WITH AFTERNOON HUMIDITY OF 10-20 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ CAZ273-040645- /O.NEW.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ MONO-EASTERN ALPINE COUNTIES- 335 PM PDT FRI AUG 3 2007 ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO INCREASE SUNDAY AFTERNOON AND EVENING ACROSS MONO COUNTY AND EASTERN ALPINE COUNTY. WIND GUSTS OF 30-35 MPH ARE POSSIBLE SUNDAY AND WILL COINCIDE WITH AFTERNOON HUMIDITY OF 10-15 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ NVZ453-040645- /O.NEW.KREV.FW.A.0017.070805T2100Z-070806T0600Z/ WEST CENTRAL NEVADA BASIN AND RANGE- 335 PM PDT FRI AUG 3 2007 ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO INCREASE SUNDAY AFTERNOON AND EVENING ACROSS THE WESTERN NEVADA BASIN AND RANGE. WIND GUSTS OF 30-35 MPH ARE POSSIBLE SUNDAY AND MAY COINCIDE WITH AFTERNOON HUMIDITY OF NEAR 10 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. IN ADDITION...ISOLATED DRY THUNDERSTORMS ARE POSSIBLE ACROSS PERSHING COUNTY SUNDAY EVENING. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ HTTP://WEATHER.GOV/RENO/FIRE WALLMANN
5 follow-up statements
000 WWUS85 KREV 040020 CCA RFWREV RED FLAG WARNING...CORRECTED NATIONAL WEATHER SERVICE RENO NV 513 PM PDT FRI AUG 3 2007 ...DRY AND BREEZY CONDITIONS EXPECTED THIS WEEKEND... .LOW PRESSURE WILL DEVELOP ALONG THE WEST COAST THIS WEEKEND BRINGING A DRY SOUTHWEST FLOW ALOFT. AFTERNOON WEST WINDS WILL ALSO BE ENHANCED BRINGING CRITICAL FIRE WEATHER CONDITIONS ON SATURDAY. THE AREA OF LOW PRESSURE IS EXPECTED TO REMAIN OFF THE WEST COAST THROUGH SUNDAY. THIS MEANS BREEZY CONDITIONS AND THE POTENTIAL FOR CRITICAL FIRE CONDITIONS MAY CONTINUE SUNDAY. CAZ270-278-NVZ450-458-040830- /O.UPG.KREV.FW.A.0016.070804T2000Z-070805T0300Z/ /O.COR.KREV.FW.W.0017.070804T2000Z-070805T0300Z/ /O.COR.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- WESTERN NEVADA SIERRA FRONT-NORTHERN WASHOE COUNTY- 513 PM PDT FRI AUG 3 2007 ...RED FLAG WARNING IN EFFECT FROM 1 PM TO 8 PM PDT SATURDAY FOR EASTERN LASSEN COUNTY...SURPRISE VALLEY...SIERRA FRONT...AND NORTHERN WASHOE COUNTY FOR GUSTY WINDS AND LOW HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR EASTERN LASSEN COUNTY...SURPRISE VALLEY...SIERRA FRONT...AND NORTHERN WASHOE COUNTY FOR FOR GUSTY WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM TO 8 PM PDT SATURDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WEST WINDS WILL EXPECTED TO INCREASE ALONG THE SIERRA FRONT AND ACROSS THE DESERTS IN EASTERN LASSEN AND NORTHERN WASHOE COUNTIES EARLY SATURDAY AFTERNOON. GUSTS WILL BE 30-35 MPH AND COMBINE WITH AFTERNOON HUMIDITY VALUES OF NEAR 10 PERCENT. THE POSSIBLE COMBINATION OF LOW HUMIDITY AND BREEZY CONDITIONS WOULD RESULT IN CRITICAL FIRE WEATHER CONDITIONS. THE WINDS ARE EXPECTED TO DIMINISH DURING THE EVENING HOURS. WINDS ARE ALSO EXPECTED TO INCREASE AGAIN ON SUNDAY WITH GUSTS AROUND 35 MPH POSSIBLE WITH CONTINUED LOW HUMIDITY OF 10-15 PERCENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ271-272-040830- /O.COR.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES-GREATER LAKE TAHOE AREA- 513 PM PDT FRI AUG 3 2007 ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR THE TAHOE BASIN...WESTERN LASSEN COUNTY...EASTERN SECTIONS OF NEVADA...SIERRA...AND PLUMAS COUNTIES FOR GUSTY WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO INCREASE SUNDAY AFTERNOON AND EVENING ACROSS THE NORTHERN SIERRA FROM WESTERN LASSEN COUNTY SOUTH TO THE TAHOE BASIN. WIND GUSTS OF 30-35 MPH ARE POSSIBLE SUNDAY AND MAY COINCIDE WITH AFTERNOON HUMIDITY OF 10-20 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ CAZ273-040830- /O.COR.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ MONO-EASTERN ALPINE COUNTIES- 513 PM PDT FRI AUG 3 2007 ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR MONO AND EASTERN ALPINE COUNTIES FOR GUSTY WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO INCREASE SUNDAY AFTERNOON AND EVENING ACROSS MONO COUNTY AND EASTERN ALPINE COUNTY. WIND GUSTS OF 30-35 MPH ARE POSSIBLE SUNDAY AND WILL COINCIDE WITH AFTERNOON HUMIDITY OF 10-15 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ NVZ453-040830- /O.COR.KREV.FW.A.0017.070805T2100Z-070806T0600Z/ WEST CENTRAL NEVADA BASIN AND RANGE- 513 PM PDT FRI AUG 3 2007 ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR THE WEST CENTRAL NEVADA BASIN AND RANGE FOR GUSTY WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO INCREASE SUNDAY AFTERNOON AND EVENING ACROSS THE WESTERN NEVADA BASIN AND RANGE. WIND GUSTS OF 30-35 MPH ARE POSSIBLE SUNDAY AND MAY COINCIDE WITH AFTERNOON HUMIDITY OF NEAR 10 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. IN ADDITION...ISOLATED DRY THUNDERSTORMS ARE POSSIBLE ACROSS PERSHING COUNTY SUNDAY EVENING. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ HTTP://WEATHER.GOV/RENO/FIRE WALLMANN
000 WWUS85 KREV 040440 AAA RFWREV RED FLAG WARNING...UPDATED NATIONAL WEATHER SERVICE RENO NV 940 PM PDT FRI AUG 3 2007 ...DRY AND BREEZY CONDITIONS EXPECTED THIS WEEKEND... .LOW PRESSURE WILL DEVELOP ALONG THE WEST COAST THIS WEEKEND BRINGING A DRY SOUTHWEST FLOW ALOFT. AFTERNOON WEST WINDS WILL ALSO BE ENHANCED BRINGING CRITICAL FIRE WEATHER CONDITIONS ON SATURDAY. THE AREA OF LOW PRESSURE IS EXPECTED TO REMAIN OFF THE WEST COAST THROUGH SUNDAY. THIS MEANS BREEZY CONDITIONS AND THE POTENTIAL FOR CRITICAL FIRE CONDITIONS MAY CONTINUE SUNDAY. CAZ270-278-NVZ450-458-041400- /O.CON.KREV.FW.W.0017.070804T2000Z-070805T0300Z/ /O.CON.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- WESTERN NEVADA SIERRA FRONT-NORTHERN WASHOE COUNTY- 940 PM PDT FRI AUG 3 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 8 PM PDT SATURDAY FOR EASTERN LASSEN COUNTY...SURPRISE VALLEY...SIERRA FRONT...AND NORTHERN WASHOE COUNTY FOR GUSTY WINDS AND LOW HUMIDITY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR EASTERN LASSEN COUNTY...SURPRISE VALLEY...SIERRA FRONT...AND NORTHERN WASHOE COUNTY FOR FOR GUSTY WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 8 PM PDT SATURDAY. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WEST WINDS WILL EXPECTED TO INCREASE ALONG THE SIERRA FRONT AND ACROSS THE DESERTS IN EASTERN LASSEN AND NORTHERN WASHOE COUNTIES EARLY SATURDAY AFTERNOON. GUSTS WILL BE 30-35 MPH AND COMBINE WITH AFTERNOON HUMIDITY VALUES OF NEAR 10 PERCENT. THE POSSIBLE COMBINATION OF LOW HUMIDITY AND BREEZY CONDITIONS WOULD RESULT IN CRITICAL FIRE WEATHER CONDITIONS. THE WINDS ARE EXPECTED TO DIMINISH DURING THE EVENING HOURS. WINDS ARE ALSO EXPECTED TO INCREASE AGAIN ON SUNDAY WITH GUSTS AROUND 35 MPH POSSIBLE WITH CONTINUED LOW HUMIDITY OF 10- 15 PERCENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ271-272-041400- /O.CON.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES-GREATER LAKE TAHOE AREA- 940 PM PDT FRI AUG 3 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR THE TAHOE BASIN...WESTERN LASSEN COUNTY...EASTERN SECTIONS OF NEVADA...SIERRA...AND PLUMAS COUNTIES FOR GUSTY WINDS AND LOW HUMIDITY... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO INCREASE SUNDAY AFTERNOON AND EVENING ACROSS THE NORTHERN SIERRA FROM WESTERN LASSEN COUNTY SOUTH TO THE TAHOE BASIN. WIND GUSTS OF 30-35 MPH ARE POSSIBLE SUNDAY AND MAY COINCIDE WITH AFTERNOON HUMIDITY OF 10-20 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ CAZ273-041400- /O.CON.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ MONO-EASTERN ALPINE COUNTIES- 940 PM PDT FRI AUG 3 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR MONO AND EASTERN ALPINE COUNTIES FOR GUSTY WINDS AND LOW HUMIDITY... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO INCREASE SUNDAY AFTERNOON AND EVENING ACROSS MONO COUNTY AND EASTERN ALPINE COUNTY. WIND GUSTS OF 30- 35 MPH ARE POSSIBLE SUNDAY AND WILL COINCIDE WITH AFTERNOON HUMIDITY OF 10-15 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ NVZ453-041400- /O.CON.KREV.FW.A.0017.070805T2100Z-070806T0600Z/ WEST CENTRAL NEVADA BASIN AND RANGE- 940 PM PDT FRI AUG 3 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR THE WEST CENTRAL NEVADA BASIN AND RANGE FOR GUSTY WINDS AND LOW HUMIDITY... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE EXPECTED TO INCREASE SUNDAY AFTERNOON AND EVENING ACROSS THE WESTERN NEVADA BASIN AND RANGE. WIND GUSTS OF 30- 35 MPH ARE POSSIBLE SUNDAY AND MAY COINCIDE WITH AFTERNOON HUMIDITY OF NEAR 10 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. IN ADDITION...ISOLATED DRY THUNDERSTORMS ARE POSSIBLE ACROSS PERSHING COUNTY SUNDAY EVENING. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ CS HTTP://WEATHER.GOV/RENO/FIRE
000 WWUS85 KREV 041309 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 609 AM PDT SAT AUG 4 2007 ...DRY AND BREEZY CONDITIONS THIS WEEKEND... .LOW PRESSURE ALONG THE WEST COAST THIS WEEKEND WILL BRING A DRY SOUTHWEST FLOW ALOFT. AFTERNOON WEST WINDS WILL BE ENHANCED BRINGING CRITICAL FIRE WEATHER CONDITIONS ON SATURDAY. THE AREA OF LOW PRESSURE IS EXPECTED TO MOVE ONSHORE SUNDAY. THIS MEANS BREEZY CONDITIONS AND THE POTENTIAL FOR CRITICAL FIRE CONDITIONS. MONITOR OUR WEBSITE AT WEATHER.GOV/RENO...FOR UPDATES ON THIS SITUATION. CAZ270-278-NVZ450-458-042300- /O.CON.KREV.FW.W.0017.070804T2000Z-070805T0300Z/ /O.CON.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- WESTERN NEVADA SIERRA FRONT-NORTHERN WASHOE COUNTY- 609 AM PDT SAT AUG 4 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING DUE TO GUSTY WINDS AND LOW HUMIDITY FOR EASTERN LASSEN COUNTY...SURPRISE VALLEY...NORTHERN WASHOE COUNTY AND THE SIERRA FRONT... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING DUE TO GUSTY WINDS AND LOW HUMIDITY FOR EASTERN LASSEN COUNTY...SURPRISE VALLEY...NORTHERN WASHOE COUNTY AND THE SIERRA FRONT... A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WEST WINDS WILL INCREASE ALONG THE SIERRA FRONT AND ACROSS THE DESERTS IN EASTERN LASSEN AND NORTHERN WASHOE COUNTIES EARLY THIS AFTERNOON. GUSTS TO 35 MPH WILL COMBINE WITH HUMIDITY VALUES NEAR 10 PERCENT TO CREATE CRITICAL FIRE WEATHER CONDITIONS THROUGH 8 PM THIS EVENING. THE WINDS ARE EXPECTED TO DIMINISH AFTER SUNSET. WINDS ARE FORECAST TO INCREASE AGAIN ON SUNDAY AFTERNOON WITH GUSTS TO 35 MPH POSSIBLE AND HUMIDITY OF 10 TO 15 PERCENT. $$ CAZ271-272-042300- /O.CON.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES-GREATER LAKE TAHOE AREA- 609 AM PDT SAT AUG 4 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING DUE TO GUSTY WINDS AND LOW HUMIDITY FOR THE TAHOE BASIN...WESTERN LASSEN COUNTY AND THE PLUMAS NF AND TAHOE NF EAST OF THE SIERRA CREST... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE FORECAST TO INCREASE SUNDAY AFTERNOON ACROSS THE NORTHERN SIERRA FROM WESTERN LASSEN COUNTY SOUTH TO THE TAHOE BASIN. WIND GUSTS UP TO 35 MPH ARE POSSIBLE SUNDAY AND MAY COINCIDE WITH HUMIDITY OF 10 TO 20 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. $$ CAZ273-042300- /O.CON.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ MONO-EASTERN ALPINE COUNTIES- 609 AM PDT SAT AUG 4 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING DUE TO GUSTY WINDS AND LOW HUMIDITY FOR MONO AND EASTERN ALPINE COUNTIES... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE FORECAST TO INCREASE SUNDAY AFTERNOON ACROSS MONO AND EASTERN ALPINE COUNTY. WIND GUSTS UP TO 35 MPH ARE POSSIBLE AND MAY COINCIDE WITH HUMIDITY OF 10 TO 15 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. $$ NVZ453-042300- /O.CON.KREV.FW.A.0017.070805T2100Z-070806T0600Z/ WEST CENTRAL NEVADA BASIN AND RANGE- 609 AM PDT SAT AUG 4 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING DUE TO GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA BASIN AND RANGE... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. WINDS ARE FORECAST TO INCREASE SUNDAY AFTERNOON ACROSS THE WESTERN NEVADA BASIN AND RANGE. WIND GUSTS UP TO 35 MPH ARE POSSIBLE AND MAY COINCIDE WITH AFTERNOON HUMIDITY OF NEAR 10 PERCENT. THE POTENTIAL COMBINATION OF GUSTY WINDS AND LOW HUMIDITY MAY CREATE CRITICAL FIRE WEATHER CONDITIONS. ISOLATED DRY THUNDERSTORMS ARE EXPECTED ACROSS THE EASTERN PORTIONS OF PERSHING AND CHURCHILL COUNTIES SUNDAY AFTERNOON. $$ HTTP://WEATHER.GOV/RENO/FIRE BRONG
000 WWUS85 KREV 042236 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 336 PM PDT SAT AUG 4 2007 ...DRY AND BREEZY CONDITIONS THIS WEEKEND... .LOW PRESSURE ALONG THE WEST COAST THIS WEEKEND WILL BRING A DRY SOUTHWEST FLOW ALOFT. AFTERNOON WEST WINDS WILL BE ENHANCED AHEAD OF A COLD FRONT BRINGING CRITICAL FIRE WEATHER CONDITIONS THIS EVENING AND AGAIN ON SUNDAY. IN ADDITION...SOME ISOLATED DRY THUNDERSTORMS ARE EXPECTED ACROSS WESTERN NEVADA. MONITOR OUR WEBSITE AT WEATHER.GOV/RENO...FOR UPDATES ON THIS SITUATION. CAZ270-278-NVZ450-458-051515- /O.UPG.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ /O.NEW.KREV.FW.W.0018.070805T1700Z-070806T0500Z/ /O.EXT.KREV.FW.W.0017.000000T0000Z-070805T0500Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- WESTERN NEVADA SIERRA FRONT-NORTHERN WASHOE COUNTY- 336 PM PDT SAT AUG 4 2007 ...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM TO 10 PM PDT SUNDAY. THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 10 PM PDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. SOUTHWEST TO WEST WINDS WILL CONTINUE ALONG THE SIERRA FRONT AND ACROSS THE DESERTS IN EASTERN LASSEN AND NORTHERN WASHOE COUNTIES THIS EVENING. SPEEDS OF 15-20 MPH WITH GUSTS TO 35 MPH WILL COMBINE WITH HUMIDITY VALUES OF 5 TO 15 PERCENT TO CREATE CRITICAL FIRE WEATHER CONDITIONS THROUGH 10 PM THIS EVENING. THE WINDS ARE EXPECTED TO DIMINISH BY MIDNIGHT. SOUTHWEST TO WEST WINDS ARE FORECAST TO INCREASE AGAIN ON SUNDAY AFTERNOON WITH SPEEDS OF 20 TO 25 MPH AND GUSTS AROUND 40 MPH EXPECTED BY LATE MORNING. IN ADDITION...HUMIDITY VALUES WILL BE 5 TO 15 PERCENT DURING THE DAY CREATING CRITICAL FIRE WEATHER CONDITIONS ONCE AGAIN. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ271-272-051515- /O.UPG.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ /O.NEW.KREV.FW.W.0018.070805T1700Z-070806T0300Z/ WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES-GREATER LAKE TAHOE AREA- 336 PM PDT SAT AUG 4 2007 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM TO 8 PM PDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. SOUTHWEST TO WEST WINDS WILL INCREASE SUNDAY MORNING ACROSS THE NORTHERN SIERRA FROM WESTERN LASSEN COUNTY SOUTH TO THE TAHOE BASIN. WIND SPEEDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 MPH ARE EXPECTED SUNDAY AND WILL COINCIDE WITH HUMIDITY VALUES OF 10 TO 20 PERCENT. THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS BEFORE WINDS DIMINISH AROUND SUNSET. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ273-051515- /O.UPG.KREV.FW.A.0017.070805T1900Z-070806T0300Z/ /O.NEW.KREV.FW.W.0018.070805T1700Z-070806T0500Z/ MONO-EASTERN ALPINE COUNTIES- 336 PM PDT SAT AUG 4 2007 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 10 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM TO 10 PM PDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. SOUTHWEST WINDS WILL INCREASE SUNDAY MORNING ACROSS MONO AND EASTERN ALPINE COUNTY. WIND SPEEDS OF 15 TO 25 MPH ARE EXPECTED WITH GUSTS UP TO 35 MPH. THESE WINDS WILL COINCIDE WITH HUMIDITY VALUES OF 5 TO 15 PERCENT. THE STRONGEST WINDS ARE EXPECTED NEAR AND NORTH OF MONO LAKE...WITH GUSTS OF 40 TO 45 MPH LIKELY IN THE WEST WALKER RIVER CANYON. THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ453-051515- /O.UPG.KREV.FW.A.0017.070805T2100Z-070806T0600Z/ /O.NEW.KREV.FW.W.0018.070805T1900Z-070806T0500Z/ WEST CENTRAL NEVADA BASIN AND RANGE- 336 PM PDT SAT AUG 4 2007 ...RED FLAG WARNING IN EFFECT FROM 12 PM TO 10 PM PDT SUNDAY FOR STRONG WINDS...LOW HUMIDITY AND ISOLATED DRY LIGHTNING... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 12 PM TO 10 PM PDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. SOUTHWEST WINDS WILL INCREASE LATE SUNDAY AFTERNOON ACROSS THE WESTERN NEVADA BASIN AND RANGE. WIND SPEEDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 MPH ARE EXPECTED DURING THE DAY AND WILL COINCIDE WITH AFTERNOON HUMIDITY VALUES OF 5 TO 10 PERCENT. WINDS ARE EXPECTED TO SHIFT TO THE NORTHWEST DURING THE EVENING HOURS BEFORE DIMINISHING. IN ADDITION...ENOUGH MOISTURE WILL BE PRESENT FOR ISOLATED DRY THUNDERSTORMS FROM LATE MORNING THROUGH THE AFTERNOON. THE POTENTIAL COMBINATION OF GUSTY WINDS...LOW HUMIDITY AND ISOLATED DRY THUNDERSTORMS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ459-051515- /O.NEW.KREV.FW.W.0018.070805T1900Z-070806T0500Z/ MINERAL AND SOUTHERN LYON COUNTIES- 336 PM PDT SAT AUG 4 2007 ...RED FLAG WARNING IN EFFECT FROM 12 PM TO 10 PM PDT SUNDAY FOR STRONG WINDS...LOW HUMIDITY AND ISOLATED DRY LIGHTNING... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 12 PM TO 10 PM PDT SUNDAY. SOUTHWEST WINDS WILL INCREASE LATE SUNDAY AFTERNOON ACROSS MINERAL AND SOUTHERN LYON COUNTIES. WIND SPEEDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 MPH ARE EXPECTED DURING THE DAY AND WILL COINCIDE WITH AFTERNOON HUMIDITY VALUES OF 5 TO 10 PERCENT. IN ADDITION...ENOUGH MOISTURE WILL BE PRESENT FOR ISOLATED DRY THUNDERSTORMS FROM LATE MORNING THROUGH THE AFTERNOON. THE POTENTIAL COMBINATION OF GUSTY WINDS...LOW HUMIDITY AND ISOLATED DRY THUNDERSTORMS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ HTTP://WEATHER.GOV/RENO/FIRE
000 WWUS85 KREV 050510 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 1010 PM PDT SAT AUG 4 2007 ...DRY AND BREEZY CONDITIONS AGAIN ON SUNDAY... .LOW PRESSURE ALONG THE WEST COAST THIS WEEKEND WILL BRING A DRY SOUTHWEST FLOW ALOFT. AFTERNOON WEST WINDS WILL BE ENHANCED AHEAD OF A COLD FRONT BRINGING CRITICAL FIRE WEATHER CONDITIONS AGAIN ON SUNDAY. IN ADDITION...SOME ISOLATED DRY THUNDERSTORMS ARE EXPECTED ACROSS WESTERN NEVADA. MONITOR OUR WEBSITE AT WEATHER.GOV/RENO...FOR UPDATES ON THIS SITUATION. CAZ270-278-NVZ450-458-051530- /O.EXP.KREV.FW.W.0017.000000T0000Z-070805T0500Z/ /O.CON.KREV.FW.W.0018.070805T1700Z-070806T0500Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- WESTERN NEVADA SIERRA FRONT-NORTHERN WASHOE COUNTY- 1010 PM PDT SAT AUG 4 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 10 PM PDT SUNDAY... ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING FOR THIS EVENING IS NO LONGER IN EFFECT. A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 10 PM PDT SUNDAY. WINDS WILL GENERALLY DIMINISH OVERNIGHT WITH THE EXCEPTION OF NORMALLY PRONE RIDGE TOPS. SOUTHWEST TO WEST WINDS ARE FORECAST TO INCREASE AGAIN ON SUNDAY WITH SPEEDS OF 20 TO 25 MPH AND GUSTS AROUND 40 MPH EXPECTED BY LATE MORNING. IN ADDITION...HUMIDITY VALUES WILL BE 5 TO 15 PERCENT DURING THE DAY CREATING CRITICAL FIRE WEATHER CONDITIONS ONCE AGAIN. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ271-272-051530- /O.CON.KREV.FW.W.0018.070805T1700Z-070806T0300Z/ WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES-GREATER LAKE TAHOE AREA- 1010 PM PDT SAT AUG 4 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM PDT SUNDAY... A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM PDT SUNDAY. SOUTHWEST TO WEST WINDS WILL INCREASE SUNDAY MORNING ACROSS THE NORTHERN SIERRA FROM WESTERN LASSEN COUNTY SOUTH TO THE TAHOE BASIN. WIND SPEEDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 MPH ARE EXPECTED SUNDAY AND WILL COINCIDE WITH HUMIDITY VALUES OF 10 TO 20 PERCENT. THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS BEFORE WINDS DIMINISH AROUND SUNSET. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ273-051530- /O.CON.KREV.FW.W.0018.070805T1700Z-070806T0500Z/ MONO-EASTERN ALPINE COUNTIES- 1010 PM PDT SAT AUG 4 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 10 PM PDT SUNDAY... A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 10 PM PDT SUNDAY. SOUTHWEST WINDS WILL INCREASE SUNDAY MORNING ACROSS MONO AND EASTERN ALPINE COUNTY. WIND SPEEDS OF 15 TO 25 MPH ARE EXPECTED WITH GUSTS UP TO 35 MPH. THESE WINDS WILL COINCIDE WITH HUMIDITY VALUES OF 5 TO 15 PERCENT. THE STRONGEST WINDS ARE EXPECTED NEAR AND NORTH OF MONO LAKE...WITH GUSTS OF 40 TO 45 MPH LIKELY IN THE WEST WALKER RIVER CANYON. THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ453-459-051530- /O.CON.KREV.FW.W.0018.070805T1900Z-070806T0500Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 1010 PM PDT SAT AUG 4 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO 10 PM PDT SUNDAY... A RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO 10 PM PDT SUNDAY. SOUTHWEST WINDS WILL INCREASE LATE SUNDAY MORNING ACROSS MINERAL AND SOUTHERN LYON COUNTIES. WIND SPEEDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 MPH ARE EXPECTED DURING THE DAY AND WILL COINCIDE WITH AFTERNOON HUMIDITY VALUES OF 5 TO 10 PERCENT. IN ADDITION...ENOUGH MOISTURE WILL BE PRESENT FOR ISOLATED DRY THUNDERSTORMS FROM LATE MORNING THROUGH THE AFTERNOON. THE POTENTIAL COMBINATION OF GUSTY WINDS...LOW HUMIDITY AND ISOLATED DRY THUNDERSTORMS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CS HTTP://WEATHER.GOV/RENO/FIRE
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Reno, NV wrote its last area forecast discussion before this red flag warning went out at Aug 3, 3:23 PM PDT, 12 minutes earlier.
Area forecast discussion, Aug 3, 3:23 PM PDT, 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
323 PM PDT FRI AUG 3 2007
.SHORT TERM...
SOUTHWEST FLOW ACROSS THE REGION CONTINUES TO INCREASE THIS
AFTERNOON...DRYING OUT THE ATMOSPHERE AND MAKING IT MORE STABLE IN
THE WESTERN HALF OF THE CWA. IN THE SOUTHERN AND EASTERN PORTIONS OF
THE CWA...MAINLY EAST OF FALLON/LOVELOCK AND TO THE SOUTH OVER
MINERAL COUNTY...EXPECT ISOLATED SHOWERS AND THUNDERSTORMS TO
CONTINUE THROUGH THE EARLY EVENING HOURS AND THEN DISSIPATE WITH THE
LOSS OF DAYTIME HEATING.
THIS WEEKEND...UPPER TROUGH WILL DIG INTO THE PAC NW..TIGHTENING THE
PRESSURE GRADIENT ACROSS THE REGION. IN RESPONSE...SOUTHWEST WINDS
WILL INCREASE TOMORROW AND SUNDAY. ENHANCED WARMING/DRYING FROM
DOWNSLOPE WINDS ON THE LEE SIDE OF THE SIERRA WILL CAUSE SOME
CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF THE CWA FOR BOTH
DAYS. SEE FIRE WEATHER DISCUSSION FOR MORE DETAILS. SKIES WILL
REMAIN FAIRLY CLEAR THROUGH THE WEEKEND...WITH ONLY SOME AFTERNOON
CUMULUS EXPECTED OVER THE SOUTH AND FAR EASTERN PORTIONS OF THE
FORECAST AREA...DUE TO A WARM LAYER ABOVE 500 MB.
SUNDAY GOING INTO MONDAY...MODELS HAVE BEEN SHOWING A POTENT
NEGATIVELY TILTED SHORTWAVE MOVING OVER CENTRAL CA BY SUNDAY
EVENING. THIS SHORTWAVE WILL HAVE SOME VERY GOOD DYNAMICS ASSOCIATED
WITH IT...CAUSING SOME LATE EVENING/NOCTURNAL CONVECTION ACROSS
WESTERN NV SUNDAY NIGHT AND INTO EARLY MONDAY MORNING. LAPSE RATES
ABOVE 500MB LOOK TO BE ALMOST DRY ADIABATIC WITH GOOD ELEVATED CAPE
VALUES... MEANING AS THE SHORTWAVE APPROACHES... ELEVATED CONVECTION
WILL BE FAIRLY EASY TO START. BUT THE TIMING HAS BEEN A BIT OF AN
ISSUE HERE. SO FOR NOW...BASED THE FORECAST FAVORING THE SLOWER 12Z
GFS AND SREF SOLUTIONS... INCREASED POPS TO SLIGHT CHANCE FOR DRY
THUNDERSTORMS OVER FAR NORTHWESTERN NV. TIMING/COVERAGE MAY CHANGE
OVER THE NEXT COUPLE DAYS DEPENDING ON FUTURE MODEL RUNS.
NONETHELESS...EXPECT OUR SOUTHWESTERLY WINDS TO PEAK SUNDAY EVENING
AS THE SHORTWAVE MOVES THROUGH. HOON
.LONG TERM...TUESDAY THROUGH FRIDAY...
A RATHER FLAT SYNOPTIC PATTERN ACROSS THE CONUS SHOULD KEEP
CONDITIONS DRY OVER THE KREV CWFA DURING THE EXTENDED. ON TUESDAY
THE UPPER PATTERN WILL FEATURE A STRONG RIDGE OVER THE SERN CONUS
WITH ZONAL FLOW ACROSS THE NRN TIER. A WEAK SHORTWAVE IS PROGGED TO
MOVE THROUGH THE PACIFIC NW ON TUESDAY. THIS FEATURE SHOULD REMAIN
FAR ENOUGH NORTH TO NOT HAVE MUCH EFFECT ON OUR AREA. INCREASING
CLOUDINESS IN THE NRN ZONES SHOULD BE THE ONLY EFFECT.
THIS FEATURE SHOULD MOVE EAST IN THE STRONG PROGRESSIVE FLOW ON
WEDNESDAY. ON THURSDAY THE GFS AND ECMWF START TO BRING THE SERN
CONUS RIDGE TO THE EAST. BY 00Z SAT THE GFS HAS THE CENTER OF THIS
RETROGRADING RIDGE OVER THE LWR MISSISSIPPI VALLEY. THE WRD
MOVEMENT OF THE RIDGE SHOULD AMPLIFY THE SYNOPTIC PATTERN. THE GFS
SHOWS A DEEPENING TROUGH APPROACHING THE NRN CALIFORNIA COAST ON
FRIDAY.
TEMPERATURES SHOULD REMAIN SLIGHTLY ABOVE NORMAL THROUGH THE
EXTENDED. OHARA
&&
.AVIATION...
VFR CONDITIONS ACROSS THE AREA THROUGH SATURDAY. ISOLD TSTMS
POSSIBLE FROM 22Z THRU 03Z THIS AFTN AND EVENING EAST OF A KMMH TO
KLOL LINE. OHARA
&&
.FIRE WEATHER...
TROUGH DEEPENING OFF THE WEST COAST THE NEXT COUPLE DAYS WILL KEEP
BREEZY AFTERNOON CONDITIONS ACROSS THE REGION. AFTERNOON ZEPHYR
PICKED UP EARLIER AND IS STRONGER TODAY ACROSS THE SIERRA
FRONT...BUT EXPECT ONLY LOCAL RED FLAG CONDITIONS IN THE NORMALLY
WINDIER SPOTS.
BY SATURDAY...LOW NEAR 130W WILL MOVE CLOSER TO THE COAST AND
TIGHTEN THE GRADIENTS AT THE SFC AND ALOFT. H7 WINDS PROGGED TO BE
NEAR 20KTS ON BOTH THE GFS/NAM SAT AFTERNOON NORTH OF I-80. AT THIS
POINT...WILL UPGRADE THE CURRENT WATCH TO A WARNING WITH GUSTS
AROUND 35 MPH IN THE AFTERNOON. ACROSS TAHOE AND WESTERN
LASSEN...WINDS ARE A BIT MORE DIFFICULT TO MATERIALIZE THERE IN THE
TIMBER SO WILL NOT ADD TO THE WARNING...ALTHOUGH LOCALLY WINDIER
LOCATIONS SUCH AS THE SIERRA VALLEY WILL SEE LOCALIZED RED FLAG
CONDITIONS. RH WILL BE A NO BRAINER AS DRY AIR WILL ENCOMPASS ALL
ZONES WITH MINIMUMS FROM 7-15% ACROSS ALL AREAS. EXPECT WINDS TO DIE
OFF AFTER SUNSET AS ATMOSPHERE DECOUPLES.
SUNDAY...MODELS DIVERGE HERE WITH REGARD TO THE UPPER LOW EJECTING
NE ACROSS NW NV. NAM IS MUCH FASTER THAN THE GFS WITH THE EURO NOW
TRENDING TOWARD THE NAM. HOWEVER...18Z NAM IS SLOWER THAN 12Z RUN.
MODELS STRUGGLE WITH EJECTING CUTOFFS AND OFTEN ARE TOO FAST SO WILL
LEAN TOWARD SLOWER GFS SOLUTION. WITH THIS IDEA...IT WILL REMAIN DRY
AND RELATIVELY WARM AHEAD OF THE LOW IN THE WARM SECTOR. THIS WILL
LIKELY RESULT IN A TIGHTER THERMAL GRADIENT WITH SLIGHTLY STRONGER
WINDS OVER SAT. WILL ISSUE A WATCH FOR ALL ZONES BUT 459 FOR STRONG
WINDS AND LOW HUMIDITY.
OTHER CONCERN WILL BE POTENTIAL DRY LIGHTNING WITH EJECTING SHORT
WAVE. TROPOPAUSE CHARTS INDICATE THE LOW WILL STILL BE QUITE STRONG
AS IT GETS ABSORBED INTO THE FLOW AND BECOMES NEGATIVELY TILTED.
AREA WILL ALSO BE UNDER THE DIVERGENT RIGHT ENTRANCE REGION OF A
ANTICYCLONICALLY CURVED JET. DYNAMICS WILL BE STRONG...HOWEVER
MOISTURE AND INSTABILITY ARE SOMEWHAT LIMITED. STILL...WITH THE
STRONG LIFT...EXPECT AT LEAST A MID-DECK TO DEVELOP. 18Z NAM IS
TRENDING TOWARD THE GFS WITH THIS IDEA...AND SHOWS SOME ELEVATED
INSTABILITY BETWEEN 400 AND 600 MB. POTENTIAL IS THERE FOR SOME
SHALLOW DRY THUNDERSTORMS...MAINLY NORTHERN 453/458. THINKING
CURRENTLY THAT IT WOULD BE ISOLATED BUT WILL CONTINUE TO MONITOR AND
MENTION IN THE WATCH FOR 453. WALLMANN
&&
.REV WATCHES/WARNINGS/ADVISORIES...
NV...RED FLAG WARNING FROM 1 PM TO 8 PM PDT SATURDAY FOR NVZ450-458.
FIRE WEATHER WATCH FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING
FOR NVZ450-458.
FIRE WEATHER WATCH FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING
FOR NVZ453.
CA...RED FLAG WARNING FROM 1 PM TO 8 PM PDT SATURDAY FOR CAZ270-278.
FIRE WEATHER WATCH FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING
FOR CAZ270>273-278.
&&
HTTP://WEATHER.GOV/RENOThe office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 3:35 PM PDT | Fire Weather Watch | REV | El Dorado, Lassen, Modoc, Nevada, Placer, Plumas and 1 more | 24 hr |
Nearby
Red Flag Warnings in California, 2007Red Flag Warnings in Nevada, 2007Every red flag warning in 2007
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.