Alert archive / Oregon / Red Flag Warnings in 2011
Red Flag Warning 4, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Aug 26, 2011, 8:30 PM PDT for 8 counties in Oregon; Siskiyou County, California. It took effect at Aug 27, 2011, 6:00 AM PDT. It was in force for 13 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 26, 2011, 8:30 PM PDT (03:30 UTC)
- In effect from
- Aug 27, 2011, 6:00 AM PDT
- Expired
- Aug 27, 2011, 6:57 PM PDT
- In force
- 13 hr
- Issued by
- NWS Medford, OR
Counties Siskiyou County, CA, Curry County, OR, Douglas County, OR, Harney County, OR, Jackson County, OR, Josephine County, OR, Klamath County, OR, Lake County, OR, Lane County, OR
The radar
The Medford radar (KMAX), 83 km from the middle of the area, began a volume at 03:33 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
Medford/Jackson, OR (KMFR), launched 00:00Z, 3.5 hours before the alert went out and 62 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
- 3303 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
225 WWUS86 KMFR 270330 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 830 PM PDT FRI AUG 26 2011 .LOW PRESSURE WILL MOVE INLAND NEAR CAPE MENDOCINO CALIFORNIA TOWARD SUNRISE SATURDAY. THE AIR MASS AHEAD OF THE LOW WILL BE UNSTABLE ENOUGH THAT THUNDERSTORMS COULD DEVELOP LATER TONIGHT AND CONTINUE THROUGHOUT SATURDAY. THE LOW WILL TRACK ACROSS SOUTHWEST OREGON AND CONTINUE NORTHEAST TO LEMOLO LAKE IN EASTERN DOUGLAS COUNTY BY SATURDAY NIGHT. CAZ280-281-ORZ617-620>624-271530- /O.UPG.KMFR.FW.A.0006.110827T1300Z-110828T0500Z/ /O.NEW.KMFR.FW.W.0004.110827T1300Z-110828T0500Z/ WESTERN KLAMATH NATIONAL FOREST- CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY- UMPQUA NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS-EASTERN ROGUE VALLEY-SOUTHERN OREGON CASCADES- KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST- 830 PM PDT FRI AUG 26 2011 ...RED FLAG WARNING IN EFFECT FROM 6 AM TO 10 PM PDT SATURDAY FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONES 280...281 IN NORTHERN CALIFORNIA AND FIRE ZONES 617...620...621...623... AND 624 IN SOUTHERN OREGON... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 6 AM TO 10 PM PDT SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA: FIRE ZONES 280 AND 281 IN CALIFORNIA AND ZONES 620...622...624...621...623...617...AND 620 IN SOUTHERN OREGON. * THUNDERSTORMS...THUNDERSTORMS COULD START AS ISOLATED STORMS AS EARLY AS LATER TONIGHT. LIGHTNING COVERAGE IS EXPECTED TO INCREASE IN THE EARLY MORNING HOURS AND CONTINUE THROUGHOUT SATURDAY. STORMS COULD CONTINUE INTO SATURDAY NIGHT. * OUTFLOW WINDS...WIND GUSTS UP TO 50 MPH ARE POSSIBLE. * IMPACTS...STORMS MAY PRODUCE WETTING RAIN UNDERNEATH THE CORE BUT LITTLE RAIN IS EXPECTED ON THE PERIPHERY OF THE STORM. THE MOST UNSTABLE AREAS APPEAR TO BE FROM HAPPY CAMP IN SISKIYOU COUNTY NORTHEASTWARD TO DIAMOND LAKE IN OREGON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH. && $$ VISIT US AT WWW.WEATHER.GOV/MEDFORD
4 follow-up statements
787 WWUS86 KMFR 271054 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 354 AM PDT SAT AUG 27 2011 ORZ625-272300- /O.EXA.KMFR.FW.W.0004.110827T1300Z-110828T0500Z/ SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 354 AM PDT SAT AUG 27 2011 ...RED FLAG WARNING IN EFFECT FROM 6 AM THIS MORNING TO 10 PM PDT THIS EVENING FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONE 625 IN SOUTHERN OREGON... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 10 PM PDT THIS EVENING. * AFFECTED AREA: FIRE ZONE 625 IN SOUTHERN OREGON. * THUNDERSTORMS...THUNDERSTORMS COULD START AS ISOLATED STORMS EARLY THIS MORNING. LIGHTNING COVERAGE IS EXPECTED TO INCREASE IN THE LATE MORNING AND AFTERNOON HOURS AND CONTINUE THROUGH THE EVENING. ISOLATED STORMS COULD CONTINUE INTO TONIGHT. * OUTFLOW WINDS...WIND GUSTS UP TO 50 MPH ARE POSSIBLE. * IMPACTS...STORMS MAY PRODUCE WETTING RAIN UNDERNEATH THE CORE BUT LITTLE RAIN IS EXPECTED ON THE PERIPHERY OF THE STORM. THE MOST UNSTABLE AREAS APPEAR TO BE NORTH OF PAISLEY OVER NORTHERN LAKE COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH. && $$ CAZ280-281-ORZ617-620>624-272300- /O.CON.KMFR.FW.W.0004.110827T1300Z-110828T0500Z/ WESTERN KLAMATH NATIONAL FOREST- CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY- UMPQUA NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS-EASTERN ROGUE VALLEY-SOUTHERN OREGON CASCADES- KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST- 354 AM PDT SAT AUG 27 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 10 PM PDT THIS EVENING FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONES 280...281 IN NORTHERN CALIFORNIA AND FIRE ZONES 617...620...621...623... AND 624 IN SOUTHERN OREGON... * AFFECTED AREA: FIRE ZONES 280 AND 281 IN CALIFORNIA AND ZONES 620...622...624...621...623...617...AND 620 IN SOUTHERN OREGON. * THUNDERSTORMS...THUNDERSTORMS COULD START AS ISOLATED STORMS EARLY THIS MORNING. LIGHTNING COVERAGE IS EXPECTED TO INCREASE IN THE LATE MORNING HOURS AND CONTINUE THROUGHOUT THIS EVENING. ISOLATED STORMS COULD CONTINUE INTO TONIGHT. * OUTFLOW WINDS...WIND GUSTS UP TO 50 MPH ARE POSSIBLE. * IMPACTS...STORMS MAY PRODUCE WETTING RAIN UNDERNEATH THE CORE BUT LITTLE RAIN IS EXPECTED ON THE PERIPHERY OF THE STORM. THE MOST UNSTABLE AREAS APPEAR TO BE FROM HAPPY CAMP IN SISKIYOU COUNTY NORTHEASTWARD TO DIAMOND LAKE IN OREGON AS WELL AS OVER THE SOUTHERN OREGON CASCADES AND INTO NORTHERN KLAMATH COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH. && $$ VISIT US AT WWW.WEATHER.GOV/MEDFORD
008 WWUS86 KMFR 272147 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 247 PM PDT SAT AUG 27 2011 CAZ280-281-ORZ617-620>625-280500- /O.CON.KMFR.FW.W.0004.000000T0000Z-110828T0500Z/ WESTERN KLAMATH NATIONAL FOREST- CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY- UMPQUA NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS-EASTERN ROGUE VALLEY-SOUTHERN OREGON CASCADES- KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST- SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 247 PM PDT SAT AUG 27 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONES 280...281...617...620...621...622...623...624 AND 625... * AFFECTED AREA: FIRE ZONES 280 AND 281 IN CALIFORNIA AND FIRE ZONES 617...620...621...622...623...624 AND 625 IN OREGON. * THUNDERSTORMS...ISOLATED THUNDERSTORMS THIS AFTERNOON WILL INCREASE IN COVERAGE LATE THIS AFTERNOON INTO THE EVENING. LIGHTNING COVERAGE WILL ALSO INCREASE IN THE LATE AFTERNOON AND EVENING. ISOLATED STORMS COULD CONTINUE INTO OVERNIGHT IN THE CASCADES NORTH OF LAKE OF THE WOODS. * OUTFLOW WINDS...WIND GUSTS UP TO 50 MPH ARE POSSIBLE. * IMPACTS...STORMS MAY PRODUCE WETTING RAIN UNDERNEATH THE CORE BUT LITTLE RAIN IS EXPECTED ON THE PERIPHERY OF THE STORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH. && $$ SVEN VISIT US AT WWW.WEATHER.GOV/MEDFORD
631 WWUS86 KMFR 280010 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 510 PM PDT SAT AUG 27 2011 CAZ280-281-ORZ621-622-280115- /O.CAN.KMFR.FW.W.0004.000000T0000Z-110828T0500Z/ WESTERN KLAMATH NATIONAL FOREST- CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY- SISKIYOU MOUNTAINS-EASTERN ROGUE VALLEY- 510 PM PDT SAT AUG 27 2011 ...RED FLAG WARNING IS CANCELLED FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONES 280...281...621...622... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE RED FLAG WARNING. * AFFECTED AREA: FIRE ZONES 280 AND 281 IN CALIFORNIA AND FIRE ZONES 621 AND 622 IN OREGON. * THUNDERSTORMS...ANY THUNDERSTORMS THAT DO DEVELOP ARE EXPECTED TO BE ISOLATED. $$ ORZ617-620-623>625-280500- /O.CON.KMFR.FW.W.0004.000000T0000Z-110828T0500Z/ UMPQUA NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SOUTHERN OREGON CASCADES-KLAMATH BASIN AND THE FREMONT- WINEMA NATIONAL FOREST- SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 510 PM PDT SAT AUG 27 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONES...617...620...623...624 AND 625... * AFFECTED AREA: FIRE ZONES 617...620....623...624 AND 625 IN OREGON. * THUNDERSTORMS...ISOLATED TO SCATTERED THUNDERSTORMS INTO THIS EVENING ISOLATED STORMS COULD CONTINUE INTO OVERNIGHT IN THE CASCADES NORTH OF LAKE OF THE WOODS AND OVER NORTHERN KLAMATH AND LAKE COUNTIES. * OUTFLOW WINDS...WIND GUSTS UP TO 50 MPH ARE POSSIBLE. * IMPACTS...STORMS MAY PRODUCE WETTING RAIN UNDERNEATH THE CORE BUT LITTLE RAIN IS EXPECTED ON THE PERIPHERY OF THE STORM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH. && $$ STOCKTON VISIT US AT WWW.WEATHER.GOV/MEDFORD
522 WWUS86 KMFR 280157 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 657 PM PDT SAT AUG 27 2011 ORZ617-620-623>625-280300- /O.CAN.KMFR.FW.W.0004.000000T0000Z-110828T0500Z/ UMPQUA NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SOUTHERN OREGON CASCADES-KLAMATH BASIN AND THE FREMONT- WINEMA NATIONAL FOREST- SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 657 PM PDT SAT AUG 27 2011 ...RED FLAG WARNING IS CANCELLED FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONES...617...620...623...624 AND 625... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE RED FLAG WARNING. * AFFECTED AREA: FIRE ZONES 624...625...623...617 AND 620 * THUNDERSTORMS...THUNDERSTORMS HAVE DIMINISHED. SOME SHOWERS WILL PERSIST INTO TONIGHT. $$ VISIT US AT WWW.WEATHER.GOV/MEDFORD STOCKTON
Nearby
Red Flag Warnings in Oregon, 2011Red Flag Warnings in California, 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; radar from the NEXRAD Level II archive.