Alert archive / California / Red Flag Warnings in 2012
Red Flag Warning 2, NWS Sacramento, CA
NWS Sacramento, CA issued this red flag warning at Jun 8, 2012, 3:15 PM PDT. It took effect at Jun 9, 2012, 11:00 AM PDT. It was in force for 31 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
- Jun 8, 2012, 3:15 PM PDT (22:15 UTC)
- In effect from
- Jun 9, 2012, 11:00 AM PDT
- Expired
- Jun 10, 2012, 6:00 PM PDT
- In force
- 31 hr
- Issued by
- NWS Sacramento, CA
The text
As transmitted, in the capitals the NWS used until 2016.
815 WWUS86 KSTO 082215 RFWSTO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SACRAMENTO CA 315 PM PDT FRI JUN 8 2012 ...GUSTY WINDS AND DRY CONDITIONS SATURDAY... .A LOW PRESSURE SYSTEM WILL EXIT THE AREA ON SATURDAY FOLLOWED BY HIGH PRESSURE BUILDING IN. THIS WILL INCREASE NORTHERLY WINDS OVER THE VALLEY AND DELTA AND BRING LOW RELATIVE HUMIDITY LEVELS. THESE WILL COMBINE TO CREATE THE POTENTIAL FOR CRITICAL FIRE CONDITIONS. WINDS ARE EXPECTED TO GUST UP TO 45 MPH BEFORE DECREASING SATURDAY EVENING. CAZ215>219-091200- /O.NEW.KSTO.FW.W.0002.120609T1800Z-120610T0500Z/ NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT- CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN SUTTER, AND BUTTE COUNTY BELOW 1000 FT- SOUTHERN SACRAMENTO VALLEY IN YOLO- SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT-CARQUINEZ STRAIT AND DELTA- NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS COUNTIES BELOW 1000 FT- 315 PM PDT FRI JUN 8 2012 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 215... 216...217...218 AND 219... THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY. * AFFECTED AREA...FIRE WEATHER ZONE 215 NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT...FIRE WEATHER ZONE 216 CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN SUTTER, AND BUTTE COUNTY BELOW 1000 FT...FIRE WEATHER ZONE 217 SOUTHERN SACRAMENTO VALLEY IN YOLO-SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT...FIRE WEATHER ZONE 218 CARQUINEZ STRAIT AND DELTA AND FIRE WEATHER ZONE 219 NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS COUNTIES BELOW 1000 FT. * WINDS...NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...10 TO 15 PERCENT TO LOCALLY AS LOW AS 7 PERCENT. * IMPACTS...LOW HUMIDITY ALONG WITH GUSTY WINDS AND DRY FUELS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS WEEKEND WITH INCREASED LIKELIHOOD OF RAPID SPREAD OF ANY FIRE STARTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ EK
6 follow-up statements
043 WWUS86 KSTO 091016 RFWSTO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SACRAMENTO CA 316 AM PDT SAT JUN 9 2012 ...GUSTY WINDS AND LOW HUMIDITY CONDITIONS... .A LOW PRESSURE SYSTEM WILL EXIT THE AREA TODAY FOLLOWED BY HIGH PRESSURE BUILDING IN. THIS WILL INCREASE NORTHERLY WINDS OVER THE VALLEY AND DELTA WITH LOW RELATIVE HUMIDITY LEVELS. THESE WILL COMBINE TO CREATE CRITICAL FIRE WEATHER CONDITIONS. MODERATE TO LOCALLY POOR HUMIDITY RECOVERY VALUES MAY OCCUR TONIGHT WITH LOW HUMIDITY CONTINUING SUNDAY. CAZ215>219-100500- /O.CON.KSTO.FW.W.0002.120609T1800Z-120610T0500Z/ NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT- CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN SUTTER, AND BUTTE COUNTY BELOW 1000 FT- SOUTHERN SACRAMENTO VALLEY IN YOLO- SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT-CARQUINEZ STRAIT AND DELTA- NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS COUNTIES BELOW 1000 FT- 316 AM PDT SAT JUN 9 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 215...216...217...218 AND 219... * AFFECTED AREA...FIRE WEATHER ZONE 215 NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT...FIRE WEATHER ZONE 216 CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN SUTTER, AND BUTTE COUNTY BELOW 1000 FT...FIRE WEATHER ZONE 217 SOUTHERN SACRAMENTO VALLEY IN YOLO-SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT...FIRE WEATHER ZONE 218 CARQUINEZ STRAIT AND DELTA AND FIRE WEATHER ZONE 219 NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS COUNTIES BELOW 1000 FT. * WINDS...NORTHWEST 20 TO 25 MPH WITH GUSTS 35 TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS UPPER SINGLE DIGITS. * IMPACTS...LOW HUMIDITY ALONG WITH GUSTY WINDS AND DRY FUELS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS WEEKEND WITH INCREASED LIKELIHOOD OF RAPID SPREAD OF ANY FIRE STARTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ JCLAPP
084 WWUS86 KSTO 092059 RFWSTO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SACRAMENTO CA 159 PM PDT SAT JUN 9 2012 ...GUSTY WINDS AND LOW HUMIDITY CONDITIONS... .SURFACE HIGH PRESSURE OVER THE PACIFIC NORTHWEST WILL CONTINUE TO BRING BREEZY NORTH WINDS TO NORTHERN CALIFORNIA THROUGH SUNDAY. THESE WINDS COMBINED WITH VERY LOW DAYTIME HUMIDITY AND POOR OVERNIGHT HUMIDITY RECOVERY WILL MAKE FOR CRITICAL FIRE WEATHER CONDITIONS. ALTHOUGH WINDSPEEDS SHOULD BE A LITTLE LIGHTER ON SUNDAY...CONDITIONS WILL BE QUITE DRY WITH SOME HUMIDITY VALUES ON SUNDAY AFTERNOON DROPPING BACK INTO THE SINGLE DIGITS. THEREFORE...THE RED FLAG WARNING HAS BEEN EXTENDED THROUGH SUNDAY AFTERNOON. LIGHTER WINDS AND A LITTLE HIGHER HUMIDITY ARE EXPECTED SUNDAY NIGHT AND MONDAY. CAZ215>219-101200- /O.EXT.KSTO.FW.W.0002.000000T0000Z-120611T0100Z/ NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT- CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN SUTTER, AND BUTTE COUNTY BELOW 1000 FT- SOUTHERN SACRAMENTO VALLEY IN YOLO- SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT-CARQUINEZ STRAIT AND DELTA- NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS COUNTIES BELOW 1000 FT- 159 PM PDT SAT JUN 9 2012 ...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM PDT SUNDAY FOR LOW RELATIVE HUMIDITY AND BREEZY NORTH WINDS BELOW 1500 FEET FOR FIRE WEATHER ZONES 215...216...217...218 AND 219... * AFFECTED AREA...THE SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS AND DELTA BELOW 1500 FEET. * WINDS...NORTHWEST TO NORTH 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT TODAY AND SUNDAY AFTERNOON WITH OVERNIGHT RECOVERY TONIGHT 30 TO 40 PERCENT. * IMPACTS...LOW HUMIDITY ALONG WITH GUSTY WINDS AND DRY FUELS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS WEEKEND WITH INCREASED LIKELIHOOD OF RAPID SPREAD OF ANY FIRE STARTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
146 WWUS86 KSTO 092126 RFWSTO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SACRAMENTO CA 226 PM PDT SAT JUN 9 2012 ...GUSTY WINDS AND LOW HUMIDITY CONDITIONS... .SURFACE HIGH PRESSURE OVER THE PACIFIC NORTHWEST WILL CONTINUE TO BRING BREEZY NORTH WINDS TO NORTHERN CALIFORNIA THROUGH SUNDAY. THESE WINDS COMBINED WITH VERY LOW DAYTIME HUMIDITY AND POOR OVERNIGHT HUMIDITY RECOVERY WILL MAKE FOR CRITICAL FIRE WEATHER CONDITIONS. ALTHOUGH WINDSPEEDS SHOULD BE A LITTLE LIGHTER ON SUNDAY...CONDITIONS WILL BE QUITE DRY WITH SOME HUMIDITY VALUES ON SUNDAY AFTERNOON DROPPING BACK INTO THE SINGLE DIGITS. THEREFORE...THE RED FLAG WARNING HAS BEEN EXTENDED THROUGH SUNDAY AFTERNOON. LIGHTER WINDS AND A LITTLE HIGHER HUMIDITY ARE EXPECTED SUNDAY NIGHT AND MONDAY. CAZ215>219-101200- /O.CON.KSTO.FW.W.0002.000000T0000Z-120611T0100Z/ NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT- CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN SUTTER, AND BUTTE COUNTY BELOW 1000 FT- SOUTHERN SACRAMENTO VALLEY IN YOLO- SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT-CARQUINEZ STRAIT AND DELTA- NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS COUNTIES BELOW 1000 FT- 226 PM PDT SAT JUN 9 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT SUNDAY FOR LOW RELATIVE HUMIDITY AND BREEZY NORTH WINDS BELOW 1000 FEET FOR FIRE WEATHER ZONES 215...216...217...218 AND 219... * AFFECTED AREA...THE SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS AND DELTA BELOW 1000 FEET. * WINDS...NORTHWEST TO NORTH 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT TODAY AND SUNDAY AFTERNOON WITH OVERNIGHT RECOVERY TONIGHT 30 TO 40 PERCENT. * IMPACTS...LOW HUMIDITY ALONG WITH GUSTY WINDS AND DRY FUELS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THIS WEEKEND WITH INCREASED LIKELIHOOD OF RAPID SPREAD OF ANY FIRE STARTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
425 WWUS86 KSTO 100939 RFWSTO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SACRAMENTO CA 239 AM PDT SUN JUN 10 2012 ...GUSTY WINDS AND LOW HUMIDITY CONDITIONS... .SURFACE HIGH PRESSURE OVER THE PACIFIC NORTHWEST WILL CONTINUE CRITICAL WIND AND HUMIDITY CONDITIONS TODAY. ALTHOUGH WIND SPEEDS SHOULD BE A LITTLE LIGHTER TODAY...CONDITIONS WILL BE QUITE DRY WITH SOME HUMIDITY VALUES THIS AFTERNOON DROPPING BACK INTO THE SINGLE DIGITS. LIGHTER WINDS AND A LITTLE HIGHER HUMIDITY ARE EXPECTED SUNDAY NIGHT AND MONDAY. CAZ215>219-110100- /O.CON.KSTO.FW.W.0002.000000T0000Z-120611T0100Z/ NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT- CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN SUTTER, AND BUTTE COUNTY BELOW 1000 FT- SOUTHERN SACRAMENTO VALLEY IN YOLO- SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT-CARQUINEZ STRAIT AND DELTA- NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS COUNTIES BELOW 1000 FT- 239 AM PDT SUN JUN 10 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND BREEZY NORTH WINDS BELOW 1000 FEET FOR FIRE WEATHER ZONES 215...216...217...218 AND 219... * AFFECTED AREA...THE SACRAMENTO VALLEY, NORTHERN SAN JOAQUIN VALLEY AND DELTA BELOW 1000 FT. * WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...UPPER SINGLE DIGITS AND TEENS. * IMPACTS...LOW HUMIDITY ALONG WITH GUSTY WINDS AND DRY FUELS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS AFTERNOON WITH INCREASED LIKELIHOOD OF RAPID SPREAD OF ANY FIRE STARTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ JCLAPP
097 WWUS86 KSTO 101117 RFWSTO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SACRAMENTO CA 417 AM PDT SUN JUN 10 2012 .UPDATED TO INCREASE WIND SPEEDS. ...GUSTY WINDS AND LOW HUMIDITY CONDITIONS... .SURFACE HIGH PRESSURE OVER THE PACIFIC NORTHWEST WILL CONTINUE CRITICAL WIND AND HUMIDITY CONDITIONS TODAY. ALTHOUGH WIND SPEEDS SHOULD BE A LITTLE LIGHTER OVERALL TODAY...CONDITIONS WILL BE QUITE DRY WITH SOME HUMIDITY VALUES THIS AFTERNOON DROPPING BACK INTO THE SINGLE DIGITS. LIGHTER WINDS AND A LITTLE HIGHER HUMIDITY ARE EXPECTED TONIGHT AND MONDAY. CAZ215>219-110100- /O.CON.KSTO.FW.W.0002.000000T0000Z-120611T0100Z/ NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT- CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN SUTTER, AND BUTTE COUNTY BELOW 1000 FT- SOUTHERN SACRAMENTO VALLEY IN YOLO- SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT-CARQUINEZ STRAIT AND DELTA- NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS COUNTIES BELOW 1000 FT- 417 AM PDT SUN JUN 10 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING FOR LOW RELATIVE HUMIDITY AND BREEZY NORTH WINDS BELOW 1000 FEET FOR FIRE WEATHER ZONES 215...216...217...218 AND 219... * AFFECTED AREA...THE SACRAMENTO VALLEY, NORTHERN SAN JOAQUIN VALLEY AND DELTA BELOW 1000 FT. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS 35 TO 45 MPH. * RELATIVE HUMIDITY...POOR HUMIDITY RECOVERY VALUES LAST NIGHT DROPPING INTO THE SINGLE DIGITS AGAIN. * IMPACTS...LOW HUMIDITY ALONG WITH GUSTY WINDS AND DRY FUELS WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS AFTERNOON WITH INCREASED LIKELIHOOD OF RAPID SPREAD OF ANY FIRE STARTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ JCLAPP
852 WWUS86 KSTO 110054 RFWSTO URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SACRAMENTO CA 554 PM PDT SUN JUN 10 2012 CAZ215>219-110200- /O.EXP.KSTO.FW.W.0002.000000T0000Z-120611T0100Z/ NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW 1000 FT- CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN SUTTER, AND BUTTE COUNTY BELOW 1000 FT- SOUTHERN SACRAMENTO VALLEY IN YOLO- SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT-CARQUINEZ STRAIT AND DELTA- NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS COUNTIES BELOW 1000 FT- 554 PM PDT SUN JUN 10 2012 ...RED FLAG WARNING WILL EXPIRE AT 6 PM PDT THIS EVENING FOR THE SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS AND THE DELTA... NORTH WINDS IN THE VALLEY AND DELTA HAVE DECREASED SO THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. LOCALLY BREEZY WINDS ARE POSSIBLE OVERNIGHT WITH MODERATE TO POOR HUMIDITY RECOVERIES. $$ EK
The office that day
Everything else NWS Sacramento, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 3:12 PM PDT | Wind Advisory | STO | 31 hr |
Nearby
Red Flag Warnings in California, 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.