Alert archive / Oregon / Red Flag Warnings in 2012
Red Flag Warning 4, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Jul 18, 2012, 1:50 PM PDT for Harney County, Klamath County, Lake County, Oregon. It took effect at Jul 19, 2012, 2:00 PM PDT. It was in force for 15 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
- Jul 18, 2012, 1:50 PM PDT (20:50 UTC)
- In effect from
- Jul 19, 2012, 2:00 PM PDT
- Expired
- Jul 20, 2012, 4:34 AM PDT
- In force
- 15 hr
- Issued by
- NWS Medford, OR
Counties Harney County, OR, Klamath County, OR, Lake County, OR
The radar
The Medford radar (KMAX), 213 km from the middle of the area, began a volume at 20:50 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 12:00Z, 8.8 hours before the alert went out and 209 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
- 15 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
743 WWUS86 KMFR 182050 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 150 PM PDT WED JUL 18 2012 .A PERSISTENT AREA OF LOW PRESSURE OFF THE SOUTHWEST OREGON COAST WILL CONTINUE TO DRAW MOISTURE NORTHWARD THURSDAY AFTERNOON THROUGH EARLY FRIDAY MORNING. THIS WILL BRING SCATTERED THUNDERSTORMS TO NORTHERN PORTIONS OF FIRE WEATHER ZONES 624 AND 625. ORZ624-625-191300- /O.NEW.KMFR.FW.W.0004.120719T2100Z-120720T1200Z/ KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST- SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 150 PM PDT WED JUL 18 2012 ...RED FLAG WARNING IN EFFECT FROM 2 PM THURSDAY TO 5 AM PDT FRIDAY FOR ABUNDANT LIGHTNING WITH CRITICALLY DRY FUELS FOR FIRE ZONES 624 AND 625... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THURSDAY TO 5 AM PDT FRIDAY. * AFFECTED AREA: FIRE ZONES 624 AND 625 INCLUDING THE FREMONT AND WINEMA NATIONAL FORESTS. * THUNDERSTORMS...SCATTERED THUNDERSTORMS WILL DEVELOP THURSDAY AFTERNOON AND EVENING AND CONTINUE INTO THURSDAY NIGHT. * OUTFLOW WINDS...GUSTS TO 30 TO 40 MPH POSSIBLE. * IMPACTS...LIGHTNING MAY INDUCE NUMEROUS NEW FIRE IGNITIONS. 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. && $$ SPILDE VISIT US AT WWW.WEATHER.GOV/MEDFORD
4 follow-up statements
051 WWUS86 KMFR 182328 CCA RFWMFR URGENT - FIRE WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MEDFORD OR 423 PM PDT WED JUL 18 2012 .A PERSISTENT AREA OF LOW PRESSURE OFF THE SOUTHWEST OREGON COAST WILL CONTINUE TO DRAW MOISTURE NORTHWARD THURSDAY AFTERNOON THROUGH EARLY FRIDAY MORNING. THIS WILL BRING SCATTERED THUNDERSTORMS TO NORTHERN PORTIONS OF FIRE WEATHER ZONES 624 AND 625. ORZ624-625-191545- /O.COR.KMFR.FW.W.0004.120719T2100Z-120720T1200Z/ KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST- SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 423 PM PDT WED JUL 18 2012 ...RED FLAG WARNING IN EFFECT FROM 2 PM THURSDAY TO 5 AM PDT FRIDAY FOR ABUNDANT LIGHTNING WITH CRITICALLY DRY FUELS FOR FIRE ZONES 624 AND 625... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THURSDAY TO 5 AM PDT FRIDAY. * AFFECTED AREA: NORTHERN PORTIONS OF FIRE ZONES 624 AND 625 ONLY...MAINLY NORTH OF HIGHWAY 140...INCLUDING THE FREMONT- WINEMA NATIONAL FOREST. * THUNDERSTORMS...SCATTERED THUNDERSTORMS WILL DEVELOP THURSDAY AFTERNOON AND EVENING AND CONTINUE INTO THURSDAY NIGHT. * OUTFLOW WINDS...GUSTS TO 30 TO 40 MPH POSSIBLE. * IMPACTS...LIGHTNING MAY INDUCE NUMEROUS NEW FIRE IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ SPILDE VISIT US AT WWW.WEATHER.GOV/MEDFORD
747 WWUS86 KMFR 191300 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 600 AM PDT THU JUL 19 2012 ORZ624-625-200100- /O.CON.KMFR.FW.W.0004.120719T2100Z-120720T1200Z/ KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST- SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 600 AM PDT THU JUL 19 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM PDT FRIDAY FOR ABUNDANT LIGHTNING WITH CRITICALLY DRY FUELS FOR FIRE ZONES 624 AND 625... * AFFECTED AREA: NORTHERN PORTIONS OF FIRE ZONES 624 AND 625 ONLY...MAINLY NORTH OF HIGHWAY 140...INCLUDING THE FREMONT- WINEMA NATIONAL FOREST. * THUNDERSTORMS...SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND EVENING AND CONTINUE THROUGH TONIGHT. * OUTFLOW WINDS...GUSTS TO 30 TO 40 MPH POSSIBLE. * IMPACTS...LIGHTNING MAY INDUCE NUMEROUS NEW FIRE IGNITIONS. 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. && $$ VISIT US AT WWW.WEATHER.GOV/MEDFORD
471 WWUS86 KMFR 192131 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 231 PM PDT THU JUL 19 2012 ORZ624-625-201200- /O.CON.KMFR.FW.W.0004.000000T0000Z-120720T1200Z/ KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST- SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 231 PM PDT THU JUL 19 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY FOR ABUNDANT LIGHTNING WITH CRITICALLY DRY FUELS FOR FIRE ZONES 624 AND 625... * AFFECTED AREA: NORTHERN PORTIONS OF FIRE ZONES 624 AND 625 ONLY...MAINLY NORTH OF HIGHWAY 140...INCLUDING THE FREMONT- WINEMA NATIONAL FOREST. * THUNDERSTORMS...SCATTERED THUNDERSTORMS DEVELOP LATE THIS AFTERNOON AND EVENING THEN CONTINUE THROUGH TONIGHT. * OUTFLOW WINDS...GUSTS TO 30 TO 40 MPH POSSIBLE. * IMPACTS...LIGHTNING MAY INDUCE NUMEROUS NEW FIRE IGNITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ SPILDE VISIT US AT WWW.WEATHER.GOV/MEDFORD
822 WWUS86 KMFR 201134 RFWMFR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 434 AM PDT FRI JUL 20 2012 ORZ624-625-201245- /O.CAN.KMFR.FW.W.0004.000000T0000Z-120720T1200Z/ KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST- SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE AND WESTERN HARNEY COUNTIES- 434 AM PDT FRI JUL 20 2012 ...RED FLAG WARNING IS CANCELLED FIRE ZONES 624 AND 625... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE RED FLAG WARNING. SCATTERED SHOWERS WILL MOVE ACROSS THE NORTHERN PORTION OF FIRE ZONE 624 THIS MORNING. WILL LIGHTNING CANNOT BE RULED OUT...ANY STRIKES WILL BE ISOLATED. LIGHTNING IS NO LONGER EXPECTED AT ALL IN FIRE ZONE 625. ACTIVITY WILL DIMINISH IN ALL AREAS BY MID MORNING. $$ 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 |
|---|---|---|---|---|
| Jul 17, 5:23 PM PDT | Special Weather Statement | MFR | 52 min | |
| Jul 17, 6:12 PM PDT | Special Weather Statement | MFR | Douglas | 48 min |
| Jul 18, 2:07 PM PDT | Special Weather Statement | MFR | Josephine | 23 min |
| Jul 18, 3:55 PM PDT | Special Weather Statement | MFR | Curry | 35 min |
Nearby
Red Flag Warnings in Oregon, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.