Alert archive / Oregon / Red Flag Warnings in 2011
Red Flag Warning 3, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Aug 24, 2011, 4:00 AM PDT for 8 counties in Oregon; Modoc County, Siskiyou County, California. It took effect at Aug 24, 2011, 1:00 PM PDT. It was in force for 7 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 24, 2011, 4:00 AM PDT (11:00 UTC)
- In effect from
- Aug 24, 2011, 1:00 PM PDT
- Expired
- Aug 24, 2011, 7:30 PM PDT
- In force
- 7 hr
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, 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), 80 km from the middle of the area, began a volume at 10:59 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, 11.0 hours before the alert went out and 65 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
- 3657 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
188 WWUS86 KMFR 241100 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 400 AM PDT WED AUG 24 2011 .A MODERATE TO STRONG UPPER LEVEL DISTURBANCE WILL MOVE INTO NORTHERN CALIFORNIA AND SOUTHERN OREGON THIS AFTERNOON. THUNDERSTORMS WILL DEVELOP ACROSS SISKIYOU COUNTY THIS AFTERNOON AND MOVE INTO SOUTHERN OREGON. ANOTHER AREA OF STORMS WILL DEVELOP OVER NORTHEAST CALIFORNIA AND MOVE INTO THE WARNERS. WETTING RAINS MAY DEVELOP TONIGHT FROM THE KLAMATH BASIN WEST...BUT AREAS FARTHER EAST WILL SEE LIGHTER AMOUNTS. CAZ280-285-ORZ617-620>625-242300- /O.UPG.KMFR.FW.A.0005.110824T2000Z-110825T0600Z/ /O.NEW.KMFR.FW.W.0003.110824T2000Z-110825T0600Z/ WESTERN KLAMATH NATIONAL FOREST- MODOC COUNTY EXCEPT FOR THE SURPRISE 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- 400 AM PDT WED AUG 24 2011 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONES 280...285...617...620...621...622...623...624 AND 625... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA: FIRE ZONES 622...624...285...621...625...623... 617...280 AND 620 * THUNDERSTORMS...THUNDERSTORMS WILL DEVELOP EARLY THIS AFTERNOON WITH LIGHTNING COVERAGE INCREASING TO SCATTERED OR MORE TOWARD EVENING. THE STORMS WILL START ACROSS SISKIYOU COUNTY AND MOVE NORTH TO NORTHEAST INTO SOUTHERN OREGON. THE STORMS COULD CONTINUE INTO THE NIGHT...ESPECIALLY IN FIRE WEATHER ZONES 624 AND 625. * OUTFLOW WINDS...WIND GUSTS UP TO 50 MPH ARE POSSIBLE. * IMPACTS...LIGHTNING STRIKES WILL INCREASE TOWARD THE EVENING HOURS. THE STORMS WILL INITIALLY BE DRY...BUT COULD MOISTEN UP WITH WETTING RAIN ARRIVING WEDNESDAY NIGHT. HAIL IS ALSO EXPECTED WITH THESE STORMS. 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
3 follow-up statements
899 WWUS86 KMFR 241724 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 1024 AM PDT WED AUG 24 2011 CAZ280-285-ORZ617-620>625-242215- /O.CON.KMFR.FW.W.0003.110824T2000Z-110825T0600Z/ WESTERN KLAMATH NATIONAL FOREST- MODOC COUNTY EXCEPT FOR THE SURPRISE 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- 1024 AM PDT WED AUG 24 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONES 280 AND 285 IN CALIFORNIA AND ZONES 617...620...621...622...623...624 AND 625 IN SOUTHERN OREGON... * AFFECTED AREA: FIRE ZONES 617...620...621...622...623...624...625...280...AND 285 * THUNDERSTORMS...THE FIRST WAVE OF THUNDERSTORMS ARE MOVING THROUGH THE AREA THIS MORNING. EXPECT CLEARING TO DEVELOP BEHIND THIS BAND BY LATE THIS MORNING. THE CLEARING WILL ALLOW HEATING TO HELP GENERATE ANOTHER ROUND OF THUNDERSTORMS EARLY THIS AFTERNOON. THE COVERAGE IN THE NEXT ROUND OF THUNDERSTORMS ARE EXPECTED TO INCREASE TO SCATTERED OR MORE TOWARD EVENING. THE STORMS WILL AGAIN START ACROSS SOUTHWESTERN SISKIYOU COUNTY AND MOVE NORTH TO NORTHEAST INTO SOUTHERN OREGON. ANOTHER AREA OF CONCERN IS MODOC COUNTY EAST TO THE WARNER MOUNTAINS. THE STORMS COULD CONTINUE INTO THE NIGHT...ESPECIALLY IN FIRE WEATHER ZONES 624 AND 625 IN SOUTHERN OREGON. * OUTFLOW WINDS...WIND GUSTS UP TO 50 MPH ARE POSSIBLE. * IMPACTS...LIGHTNING STRIKES WILL INCREASE TOWARD THE EVENING HOURS. THE STORMS WILL INITIALLY BE DRY...BUT COULD MOISTEN UP WITH WETTING RAIN ARRIVING TONIGHT. HAIL IS ALSO EXPECTED WITH THESE STORMS. 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
984 WWUS86 KMFR 242211 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 311 PM PDT WED AUG 24 2011 CAZ280-285-ORZ617-620>625-250600- /O.CON.KMFR.FW.W.0003.000000T0000Z-110825T0600Z/ WESTERN KLAMATH NATIONAL FOREST- MODOC COUNTY EXCEPT FOR THE SURPRISE 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- 311 PM PDT WED AUG 24 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR NUMEROUS LIGHTNING FOR FIRE ZONES 280 AND 285 IN CALIFORNIA AND ZONES 617...620...621...622...623... 624 AND 625 IN SOUTHERN OREGON... * AFFECTED AREA: FIRE ZONES 617...620...621...622...623...624... 625...280...AND 285 * THUNDERSTORMS...ANOTHER ROUND OF THUNDERSTORMS ARE DEVELOPING THIS AFTERNOON AND WILL CONTINUE INTO LATE EVENING. THESE STORMS ARE MOVING AT THE SPEED CLOSE TO 30 MPH AND MAY NOT PRODUCE AS MUCH RAINFALLS. AREAS MOST AFFECTED BY THESE STORMS EXTEND FROM SISKIYOU COUNTY AND MOVE NORTH TO NORTHEAST INTO SOUTHERN OREGON. THIS AREA WILL GRADUALLY SHIFT EAST THIS EVENING INTO THE KLAMATH BASIN AND WESTERN LAKE COUNTY. ANOTHER AREA OF CONCERN IS MODOC COUNTY AND THE WARNER MOUNTAINS INTO SOUTHEASTERN LAKE COUNTY. THE STORMS COULD CONTINUE INTO THE NIGHT...ESPECIALLY IN FIRE WEATHER ZONES 624 AND 625 IN SOUTHERN OREGON. * OUTFLOW WINDS...WIND GUSTS UP TO 50 MPH ARE POSSIBLE. * IMPACTS...LIGHTNING STRIKES WILL CONTINUE INTO THE EVENING HOURS. THE STORMS WILL INITIALLY BE DRY...BUT COULD MOISTEN UP WITH WETTING RAIN ARRIVING TONIGHT. HAILS ARE ALSO EXPECTED WITH THESE STORMS. 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. && $$ VISIT US AT WWW.WEATHER.GOV/MEDFORD
513 WWUS86 KMFR 250230 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 730 PM PDT WED AUG 24 2011 CAZ280-285-ORZ617-620>625-250330- /O.CAN.KMFR.FW.W.0003.000000T0000Z-110825T0600Z/ WESTERN KLAMATH NATIONAL FOREST- MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY- UMPQUA NATIONAL FOREST- WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY- SISKIYOU MOUNTAINS-EASTERN ROGUE VALLEY-SOUTHERN OREGON CASCADES- KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST- SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 730 PM PDT WED AUG 24 2011 ...RED FLAG WARNING IS CANCELLED FOR LIGHTNING WITH INSUFFICIENT MOISTURE FOR FIRE ZONES 280...285...617...620...621...622...623... 624 AND 625... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE RED FLAG WARNING. * AFFECTED AREA: FIRE ZONES 622...624...285...621...625...623... 617...280 AND 620 * THUNDERSTORMS HAVE DECREASED IN COVERAGE OVER THE FORECAST AREA...WITH ISOLATED THUNDERSTORMS STILL POSSIBLE FOR THE NEXT SEVERAL HOURS. $$ SK VISIT US AT WWW.WEATHER.GOV/MEDFORD
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 4:48 PM PDT | Special Weather Statement | MFR | 27 min |
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.