Alert archive / Oregon / Red Flag Warnings in 2017
Red Flag Warning 7, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Jul 13, 2017, 11:08 AM PDT for Modoc County, California; Harney County, Klamath County, Lake County, Oregon. It took effect at Jul 14, 2017, 2:00 PM PDT. It was in force for 6 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 13, 2017, 11:08 AM PDT (18:08 UTC)
- In effect from
- Jul 14, 2017, 2:00 PM PDT
- Expired
- Jul 14, 2017, 8:00 PM PDT
- In force
- 6 hr
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, Harney County, OR, Klamath County, OR, Lake County, OR
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 12:00Z, 6.1 hours before the alert went out and 195 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
- 1613 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
443 WWUS86 KMFR 131808 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 1108 AM PDT Thu Jul 13 2017 CAZ285-141300- /O.UPG.KMFR.FW.A.0003.170714T2100Z-170715T0300Z/ /O.NEW.KMFR.FW.W.0007.170714T2100Z-170715T0300Z/ /O.CON.KMFR.FW.W.0006.170713T2100Z-170714T0300Z/ Modoc County Except for the Surprise Valley- 1108 AM PDT Thu Jul 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR COMBINATION OF STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 285... ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT FRIDAY FOR COMBINATION OF STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 285... * Impacts: Strong, gusty winds with low relative humidity and high fire danger will likely contribute to a significant spread of any new and existing fires. * Affected area: In Northern CA...Fire Weather Zone 285. * Counties affected: In Northern CA...Modoc. * Wind: Southwest 10 to 15 mph with gusts up to 25 mph. * Humidity: 9 to 12 percent. * 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. * One less spark, one less wildfire. && $$ ORZ625-141300- /O.UPG.KMFR.FW.A.0003.170714T2100Z-170715T0300Z/ /O.NEW.KMFR.FW.W.0007.170714T2100Z-170715T0300Z/ /O.EXA.KMFR.FW.W.0006.170713T2100Z-170714T0300Z/ South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 1108 AM PDT Thu Jul 13 2017 ...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR HAINES 6 FOR HART WILDFIRE IN SOUTHERN FIRE WEATHER ZONE 625... ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT FRIDAY FOR HAINES 6 FOR ANA...MCCARTY...AND HART WILDFIRES IN FIRE WEATHER ZONE 625... * Impacts: Very dry and unstable conditions will support extreme fire behavior and rapid rates of spread. * Affected area: In South Central OR...Ana...Hart...and McCarty wildfires in Fire Weather Zone 625. * Counties affected: In South Central OR...McCarty wildfire in Harney...and Ana and Hart wildfires in Lake. * Haines: Haines Index value of 6 this afternoon for Hart wildfire. Haines Index value of 6 Friday afternoon for Ana...Hart...and McCarty wildfires. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... * A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. * One less spark, one less wildfire. && $$ ORZ624-141300- /O.UPG.KMFR.FW.A.0003.170714T2100Z-170715T0300Z/ /O.NEW.KMFR.FW.W.0007.170714T2100Z-170715T0300Z/ /O.CON.KMFR.FW.W.0006.170713T2100Z-170714T0300Z/ Klamath Basin and the Fremont-Winema National Forest- 1108 AM PDT Thu Jul 13 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR STRONG WIND WITH LOW HUMIDITY FOR SOUTHEASTERN FIRE WEATHER ZONE 624... ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT FRIDAY FOR STRONG WIND WITH LOW HUMIDITY FOR SOUTHEASTERN FIRE WEATHER ZONE 624 AND HAINES 6 FOR ANA FIRE IN FIRE WEATHER ZONE 624... * Impacts: Strong, gusty winds with low relative humidity and high fire danger will likely contribute to a significant spread of any new and existing fires. For the Ana wildfire, very dry and unstable conditions could support extreme fire behavior and rapid rates of spread. * Affected area: In South Central OR...Southeastern Fire Weather Zone 624 for gusty winds and low humidity. Ana wildfire in Fire Weather Zone 624 for Haines 6. * Counties affected: In South Central OR...Southern Klamath and Lake for winds and humidity. Northern Lake for Haines 6 over Ana wildfire. * Wind: Southwest 10 to 15 mph with gusts up to 25 mph. * Humidity: 10 to 15 percent. * Haines: Haines Index of 6 is possible Friday afternoon. * 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. * One less spark, one less wildfire. && $$ Visit us at www.weather.gov/Medford
2 follow-up statements
072 WWUS86 KMFR 141230 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 530 AM PDT Fri Jul 14 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES IN MODOC COUNTY... ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR A HAINES VALUE OF 6 OVER THE ANA... HART...AND MCCARTY WILDFIRES... CAZ285-150030- /O.CON.KMFR.FW.W.0007.170714T2100Z-170715T0300Z/ Modoc County Except for the Surprise Valley- 530 AM PDT Fri Jul 14 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES IN MODOC COUNTY... * Impacts: Strong, gusty winds with low relative humidity and high fire danger will likely contribute to a significant spread of any new and existing fires. * Affected area: In Northern CA...Fire Weather Zone 285. * Counties affected: In Northern CA...Modoc. * Wind: Southwest 10 to 15 mph with gusts up to 25 mph. * Humidity: 5 to 15 percent. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... * A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. * One less spark, one less wildfire. && $$ ORZ624-625-150030- /O.CON.KMFR.FW.W.0007.170714T2100Z-170715T0300Z/ Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 530 AM PDT Fri Jul 14 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR A HAINES VALUE OF 6 OVER THE ANA... HART...AND MCCARTY WILDFIRES... * Impacts: Very dry and unstable conditions will support extreme fire behavior and rapid rates of spread. * Affected area: In South Central OR...Ana...Hart...and McCarty wildfires in Fire Weather Zone 625. * Counties affected: In South Central OR...McCarty wildfire in Harney...and Ana and Hart wildfires in Lake. * Haines: Haines Index value of 6 Friday afternoon for Ana... Hart...and McCarty wildfires. * 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. * One less spark, one less wildfire. && $$ Visit us at www.weather.gov/medford
972 WWUS86 KMFR 142012 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 112 PM PDT Fri Jul 14 2017 CAZ285-150815- /O.NEW.KMFR.FW.W.0008.170715T2100Z-170716T0300Z/ /O.CON.KMFR.FW.W.0007.170714T2100Z-170715T0300Z/ Modoc County Except for the Surprise Valley- 112 PM PDT Fri Jul 14 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT SATURDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... The National Weather Service in Medford has issued a Red Flag Warning...which is in effect from 2 PM to 8 PM PDT Saturday. * Impacts: Strong, gusty wind with low relative humidity and high fire danger will likely contribute to a significant spread of new and existing fires. * Affected area: In Northern CA...Fire Weather Zone 285. * Counties affected: In Northern CA...Modoc. * Wind: west 10 to 15 mph with gusts to 25 mph. * Humidity: 9 to 12 percent. * Timing: Until early this evening, and then again Saturday afternoon and evening. * View the hazard area in detail at http://weather.gov/medford/hazard * A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. * One less spark, one less wildfire. && $$ ORZ624-625-150300- /O.CON.KMFR.FW.W.0007.170714T2100Z-170715T0300Z/ Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 112 PM PDT Fri Jul 14 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR A HAINES VALUE OF 6 OVER THE ANA... HART...AND MCCARTY WILDFIRES... * Impacts: Very dry and unstable conditions will support extreme fire behavior and rapid rates of spread. * Affected area: In South Central OR...Ana...Hart...and McCarty wildfires in Fire Weather Zone 625. * Counties affected: In South Central OR...Harney...Klamath...Lake...and Ana and Hart wildfires in Lake. * Haines: Haines Index value of 6 for Ana... Hart...and McCarty wildfires. * View the hazard area in detail at http://weather.gov/medford/hazard * A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. * One less spark, one less wildfire. $$ Visit us at www.weather.gov/Medford
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.