Alert archive / Oregon / Red Flag Warnings in 2017
Red Flag Warning 13, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Jul 22, 2017, 2:50 PM PDT for Modoc County, California; 6 counties in Oregon. It took effect at Jul 23, 2017, 2:00 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
- Jul 22, 2017, 2:50 PM PDT (21:50 UTC)
- In effect from
- Jul 23, 2017, 2:00 PM PDT
- Expired
- Jul 23, 2017, 11:00 PM PDT
- In force
- 9 hr
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, Douglas County, OR, Harney County, OR, Jackson County, OR, Klamath County, OR, Lake County, OR, Lane County, OR
The radar
The Medford radar (KMAX), 130 km from the middle of the area, began a volume at 21:49 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, 9.8 hours before the alert went out and 118 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
- 1848 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
143 WWUS86 KMFR 222150 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 250 PM PDT Sat Jul 22 2017 ...SCATTERED THUNDERSTORMS EXPECTED OVER THE AREA BEGINNING SUNDAY AFTERNOON... CAZ285-ORZ617-623-624-231300- /O.UPG.KMFR.FW.A.0007.170723T2100Z-170724T0600Z/ /O.NEW.KMFR.FW.W.0013.170723T2100Z-170724T0600Z/ /O.CON.KMFR.FW.A.0008.170724T1800Z-170725T0600Z/ Modoc County Except for the Surprise Valley- Umpqua National Forest-Southern Oregon Cascades- Klamath Basin and the Fremont-Winema National Forest- 250 PM PDT Sat Jul 22 2017 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT SUNDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONES 285...617...623 AND 624 INCLUDING MOST OF THE CASCADES... THE NORTHERN PORTION OF THE WINEMA NATIONAL FOREST...MOST OF THE FREMONT NATIONAL FOREST...AND EASTERN MODOC COUNTY... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONES 285...617...623 AND 624...INCLUDING MOST OF THE AREA FROM THE CASCADES EAST IN OREGON AND MOST OF MODOC COUNTY IN NORTHEAST CALIFORNIA... The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 2 PM to 11 PM PDT Sunday. A Fire Weather Watch remains in effect for Monday morning through Monday evening. * Impacts: Lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Despite rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area (Warning): In Northern CA...the Warner Mountains and eastern part of Modoc County in Fire Weather Zone 285. In South Central OR...most of the Fremont-Winema National Forest in Fire Weather Zone 624 except the Klamath Basin. In Southwest OR...eastern part of the Umpqua National Forest including Toketee in Fire Weather Zone 617...and the Cascade Mountains from Highway 140 north including Crater Lake in Fire Weather Zone 623. The area covered by the watch includes all of the above plus areas to the west of the warning area. * Counties affected (Warning): In Northern CA...eastern Modoc. In South Central OR...northern eastern and western Klamath... western Lake. In Southwest OR...eastern Douglas...eastern Jackson. The area covered by the watch includes all of the above plus areas to the west of the warning area. * Thunderstorms: Scattered thunderstorms with lightning activity level of 3. Less than a tenth of an inch of rain is expected with these storms. * One less spark, one less wildfire. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Scattered thunderstorms combined with dry fuels create conditions where many fire starts may occur in a short period of time. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ ORZ625-231300- /O.NEW.KMFR.FW.W.0013.170723T2100Z-170724T0600Z/ /O.CON.KMFR.FW.A.0008.170724T1800Z-170725T0600Z/ South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 250 PM PDT Sat Jul 22 2017 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT SUNDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR A SMALL PORTION OF FIRE WEATHER ZONE 625 NEAR SILVER LAKE... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR ALL OF FIRE WEATHER ZONE 625... The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 2 PM to 11 PM PDT Sunday. A Fire Weather Watch remains in effect for Monday morning through Monday evening. * Impacts: Lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Despite rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area (Warning): In South Central OR...a small portion of Fire Weather Zone 625 near Silver Lake. All of Fire Weather Zone 625 is included in the Watch. * Counties affected (Warning): In South Central OR...western Lake. The Watch area includes almost all of Lake County and portions of western Harney. * Thunderstorms: Scattered thunderstorms with lightning activity level of 3. Less than a tenth of an inch of rain is expected with these storms. * One less spark, one less wildfire. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Scattered thunderstorms combined with dry fuels create conditions where many fire starts may occur in a short period of time. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ CAZ284-231300- /O.EXA.KMFR.FW.A.0008.170724T1800Z-170725T0600Z/ Siskiyou County from the Cascade Mountains East and South to Mt Shasta- 250 PM PDT Sat Jul 22 2017 ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR THE PORTION OF FIRE WEATHER ZONE 284 IN MODOC COUNTY... The National Weather Service in Medford has issued a Fire Weather Watch, which is in effect from Monday morning through Monday evening. * Impacts: Lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Despite rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area: In Northeast CA....the eastern portion of Fire Weather Zone 284 in northwest Modoc County. * Counties affected: In Northeast CA...the northwest portion of Modoc. * Thunderstorms: Scattered thunderstorms with lightning activity level of 3. Less than a tenth of an inch of rain is expected with these storms. * One less spark, one less wildfire. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ ORZ622-231300- /O.CON.KMFR.FW.A.0008.170724T1800Z-170725T0600Z/ Eastern Rogue Valley- 250 PM PDT Sat Jul 22 2017 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR THE EASTERN PORTION OF FIRE WEATHER ZONE 622... * Impacts: Lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Despite rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area: In Southwest OR...the eastern portion of Fire Weather Zone 622. * Counties affected: In Southwest OR...eastern Jackson. * Thunderstorms: Scattered thunderstorms with lightning activity level of 3. Less than a tenth of an inch of rain is expected with these storms. * One less spark, one less wildfire. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ Visit us at www.weather.gov/medford
2 follow-up statements
389 WWUS86 KMFR 231308 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 608 AM PDT Sun Jul 23 2017 ...SCATTERED THUNDERSTORMS EXPECTED OVER THE AREA BEGINNING THIS AFTERNOON... CAZ285-ORZ617-623>625-240115- /O.CON.KMFR.FW.W.0013.170723T2100Z-170724T0600Z/ /O.CON.KMFR.FW.A.0008.170724T1800Z-170725T0600Z/ Modoc County Except for the Surprise Valley- Umpqua National Forest-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- 608 AM PDT Sun Jul 23 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONES 285...617...623...624 AND 625... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONES 285...617...623...624 AND 625... The National Weather Service in Medford has issued a Red Flag Warning, which is in effect from 2 PM to 11 PM PDT Sunday. A Fire Weather Watch remains in effect for Monday morning through Monday evening. * Impacts: Lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Despite rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area (Warning): In Northern CA...the Warner Mountains and eastern part of Modoc County in Fire Weather Zone 285. In South Central OR...most of the Fremont-Winema National Forest in Fire Weather Zone 624 except the Klamath Basin... a small portion of Fire Weather Zone 625 near Silver Lake. In Southwest OR...eastern part of the Umpqua National Forest including Toketee in Fire Weather Zone 617...and the Cascade Mountains from Highway 140 north including Crater Lake in Fire Weather Zone 623. * Affected area (Watch): The area covered by the watch includes all of the above plus areas to the west of the warning area. * Counties affected (Warning): In South Central OR...western Lake. The Watch area includes almost all of Lake County and portions of western Harney. * Thunderstorms: Scattered thunderstorms with lightning activity level of 3. Less than a tenth of an inch of rain is expected with these storms. * Timing: Thunderstorms are expected over Modoc County this afternoon then spread north into south-central Oregon by mid afternoon. Scattered thunderstorms with LAL 3 are not expected into eastern Umpqua National Forest until this evening. While intensity will decrease after sunset, these storms could continue into tonight, then strengthen again on Monday. * One less spark, one less wildfire. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Scattered thunderstorms combined with dry fuels create conditions where many fire starts may occur in a short period of time. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ CAZ284-ORZ622-240115- /O.CON.KMFR.FW.A.0008.170724T1800Z-170725T0600Z/ Siskiyou County from the Cascade Mountains East and South to Mt Shasta-Eastern Rogue Valley- 608 AM PDT Sun Jul 23 2017 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONES 284 AND 622... * Impacts: Lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Despite rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area: In Southwest OR...part of Fire Weather Zone 622 east of Highway 227 south to Shale City. In Northeast CA....the eastern portion of Fire Weather Zone 284 in northwest Modoc County. * Counties affected: In Southwest OR...eastern Jackson. In Northeast CA...the northwest portion of Modoc. * Thunderstorms: Scattered thunderstorms with lightning activity level of 3. Less than a tenth of an inch of rain is expected with these storms. * One less spark, one less wildfire. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ Visit us at www.weather.gov/medford
457 WWUS86 KMFR 232130 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 230 PM PDT Sun Jul 23 2017 ...SCATTERED THUNDERSTORMS EXPECTED OVER THE AREA BEGINNING THIS AFTERNOON AND EVENING AND AGAIN MONDAY AFTERNOON THROUGH TUESDAY EVENING... CAZ285-ORZ617-623>625-241230- /O.UPG.KMFR.FW.A.0008.170724T1800Z-170725T0600Z/ /O.NEW.KMFR.FW.W.0014.170724T1800Z-170725T1800Z/ /O.NEW.KMFR.FW.A.0009.170725T1800Z-170726T0600Z/ /O.CON.KMFR.FW.W.0013.000000T0000Z-170724T0600Z/ Modoc County Except for the Surprise Valley-Umpqua National Forest- 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- 230 PM PDT Sun Jul 23 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS ON DRY FUELS FOR FIRE WEATHER ZONES 285...617...623...624 AND 625... ...RED FLAG WARNING IN EFFECT FROM 11 AM MONDAY TO 11 AM PDT TUESDAY FOR DRY THUNDERSTORMS ON DRY FUELS FOR FIRE WEATHER ZONES 285...617...623...624 AND 625... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR DRY THUNDERSTORMS ON DRY FUELS FOR FIRE WEATHER ZONES 285...617...623...624 AND 625... The National Weather Service in Medford has issued a Red Flag Warning...which is in effect from 11 AM Monday to 11 AM PDT Tuesday. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Tuesday morning through Tuesday evening. * Impacts: Dry thunderstorms and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Initial attack resources could be overwhelmed and holdover fires are possible. * Area affected by warning: Today...In Northern CA...Eastern Fire Weather Zone 285. Today...In South OR...eastern zone 617...northern and central zone 623...northern and eastern zone 624...and far western and southern zone 625. Monday...In Northern CA...all but southwest portion of zone 285. Monday...In South OR...eastern zone 617...all but extreme south zone 623...all of 624 and 625. * Counties affected by warning: Today...In Northern CA... Eastern Modoc In South OR...far eastern Douglas and far eastern Jackson...west, north and east Klamath...western and southern Lake. Monday...In Northern CA...all but southwest Modoc. In South OR...Lake...Klamath...far eastern Douglas...far eastern Jackson. * Thunderstorms: Scattered thunderstorms with lightning activity level of 3. There will be local wetting rains Tuesday into Wednesday...but most areas will get less than a tenth of an inch of rain with these storms. * Timing: Thunderstorms are expected this afternoon and evening and again Monday afternoon through Tuesday morning. Another round of scattered thunderstorms may occur Tuesday afternoon and evening. * One less spark, one less wildfire. * View the hazard area in detail at http://weather.gov/medford/hazard 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 extreme fire growth potential. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ CAZ284-ORZ622-241230- /O.UPG.KMFR.FW.A.0008.170724T1800Z-170725T0600Z/ /O.NEW.KMFR.FW.W.0014.170724T1800Z-170725T1800Z/ /O.NEW.KMFR.FW.A.0009.170725T1800Z-170726T0600Z/ Siskiyou County from the Cascade Mountains East and South to Mt Shasta-Eastern Rogue Valley- 230 PM PDT Sun Jul 23 2017 ...RED FLAG WARNING IN EFFECT FROM 11 AM MONDAY TO 11 AM PDT TUESDAY FOR DRY THUNDERSTORMS ON DRY FUELS FOR FIRE WEATHER ZONES 284 AND 622... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR DRY THUNDERSTORMS ON DRY FUELS FOR FIRE WEATHER ZONES 284 AND 622... The National Weather Service in Medford has issued a Red Flag Warning...which is in effect from 11 AM Monday to 11 AM PDT Tuesday. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Tuesday morning through Tuesday evening. * Impacts: Dry thunderstorms and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Initial attack resources could be overwhelmed and holdover fires are possible. * Areas affected by Warning: In Northern CA Fire Zone....Western and Central 284. In Southwest OR Fire Zone...Eastern 622. * Counties affected by Warning: In Northern CA...Far northeast Siskiyou. In Southwest OR...Far Eastern Jackson * Thunderstorms: Scattered thunderstorms with lightning activity level of 3. There will be local wetting rains...but most areas will get less than a tenth of an inch of rain with these storms. * Timing: Thunderstorms are expected Monday afternoon through Tuesday morning. Another round of scattered thunderstorms may occur Tuesday afternoon and evening. * One less spark, one less wildfire. * View the hazard area in detail at http://weather.gov/medford/hazard 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 extreme fire growth potential. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ CAZ280-281-ORZ618>621-241230- /O.NEW.KMFR.FW.A.0009.170725T1800Z-170726T0600Z/ Western Klamath National Forest- Central Siskiyou County Including Shasta Valley- Southern Oregon Coast-Western Rogue River-Siskiyou National Forest- Western Rogue Basin including the Illinois Valley- Siskiyou Mountains- 230 PM PDT Sun Jul 23 2017 ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR DRY THUNDERSTORMS ON DRY FUELS FOR FIRE WEATHER ZONES 280...281...618...619...620 AND 621... The National Weather Service in Medford has issued a Fire Weather Watch...which is in effect from Tuesday morning through Tuesday evening. * Impacts: Dry thunderstorms and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Initial attack resources could be overwhelmed and holdover fires are possible. * Area affected by Watch: In Northern CA Fire Zones...280...Extreme northwest 281. In Southwest OR Fire Zones...extreme south 618...south 619... southern and central 620...621. * Counties affected by Watch: In Northern CA...Western Siskiyou. In Southwest OR...Southern Curry...Jackson...Southern and Central Josephine. * Thunderstorms: Scattered thunderstorms with lightning activity level of 3. There will be local wetting rains...but most areas will get less than a tenth of an inch of rain with these storms. * Timing: Scattered thunderstorms may occur Tuesday afternoon and evening. * One less spark, one less wildfire. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ 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 22, 5:10 AM PDT | Fire Weather Watch | MFR | Modoc | 10 hr |
| Jul 22, 5:10 AM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 33 hr |
Nearby
Red Flag Warnings in Oregon, 2017Red Flag Warnings in California, 2017Every red flag warning in 2017
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.