Alert archive / Oregon / Red Flag Warnings in 2018
Red Flag Warning 13, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Jul 25, 2018, 1:33 PM PDT for Curry County, Jackson County, Josephine County, Oregon. It took effect at Jul 26, 2018, 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 25, 2018, 1:33 PM PDT (20:33 UTC)
- In effect from
- Jul 26, 2018, 2:00 PM PDT
- Expired
- Jul 26, 2018, 8:00 PM PDT
- In force
- 6 hr
- Issued by
- NWS Medford, OR
Counties Curry County, OR, Jackson County, OR, Josephine County, OR
The radar
The Medford radar (KMAX), 75 km from the middle of the area, began a volume at 20:31 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, 8.6 hours before the alert went out and 58 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
- 2266 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
039 WWUS86 KMFR 252033 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 133 PM PDT Wed Jul 25 2018 ...Hot and dry with gusty northwest winds Thursday... .Thursday will likely be the hottest, driest, and windiest day of the week for portions of Jackson and Josephine counties. The strongest northwest winds are expected to be in northwest to southeast oriented valleys. Some area fires could be impacted by these very dry and breezy conditions. ORZ620-622-260845- /O.UPG.KMFR.FW.A.0007.180726T2100Z-180727T0200Z/ /O.NEW.KMFR.FW.W.0013.180726T2100Z-180727T0200Z/ Western Rogue Basin including the Illinois Valley- Eastern Rogue Valley- 133 PM PDT Wed Jul 25 2018 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 7 PM PDT THURSDAY FOR GUSTY WINDS AND LOW RH... The National Weather Service in Medford has upgraded the Fire Weather Watch to a Red Flag Warning, which is in effect from 2 PM to 7 PM PDT Thursday. * Impacts: Strong, gusty northwest winds with low relative humidity and high fire danger will likely contribute to a significant spread of new and existing fires. * Affected area: In fire weather zone 620...Eastern half of the zone including the northern portions of the Illinois Valley and sections of the Applegate Valley. In fire weather zone 622... The entire zone excluding the west facing slopes of the Cascades. It includes all major valleys and all areas up to roughly 3000 feet. * Affected fires: Garner Complex * Counties affected: In Southwest OR...Most of Jackson and Eastern Josephine to include the cities of Grants Pass...Medford...Ashland. * Wind: Northwest 10 to 15 mph with gusts up to 25 mph. * Afternoon humidity: 12 to 16 percent. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... && $$ Visit us at www.weather.gov/medford
5 follow-up statements
159 WWUS86 KMFR 260348 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 848 PM PDT Wed Jul 25 2018 ...Hot and dry with gusty northwest winds Thursday... .Thursday will likely be the hottest, driest, and windiest day of the week for portions of Jackson and Josephine counties. The strongest northwest winds are expected to be in northwest to southeast oriented valleys. Some area fires could be impacted by these very dry and breezy conditions. ORZ620-622-261800- /O.CON.KMFR.FW.W.0013.180726T2100Z-180727T0200Z/ Western Rogue Basin including the Illinois Valley- Eastern Rogue Valley- 848 PM PDT Wed Jul 25 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 7 PM PDT THURSDAY FOR GUSTY WINDS AND LOW RH... * Impacts: Strong, gusty wind with low relative humidity and high fire danger will likely contribute to a significant spread of new and existing fires. * Affected area: In fire weather zone 620...Eastern half of the zone including the northern portions of the Illinois Valley and sections of the Applegate Valley. In fire weather zone 622... The entire zone excluding the west facing slopes of the Cascades. It includes all major valleys and all areas up to roughly 3000 feet. * Affected fires: Garner Complex * Counties affected: In Southwest OR...Most of Jackson and Eastern Josephine to include the cities of Grants Pass...Medford...Ashland. * Wind: Northwest 10 to 15 mph with gusts up to 25 mph. * Afternoon humidity: 12 to 16 percent. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr $$ Visit us at www.weather.gov/Medford
339 WWUS86 KMFR 261052 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 352 AM PDT Thu Jul 26 2018 ORZ620-622-270300- /O.EXT.KMFR.FW.W.0013.180726T2100Z-180727T0300Z/ Western Rogue Basin including the Illinois Valley- Eastern Rogue Valley- 352 AM PDT Thu Jul 26 2018 ...RED FLAG WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF FIRE WEATHER ZONES 620 AND 622... * 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 fire weather zone 620...Eastern half of the zone including the northern portions of the Illinois Valley and sections of the Applegate Valley. In fire weather zone 622... The entire zone excluding the west facing slopes of the Cascades. It includes all major valleys and all areas up to roughly 3000 feet. * Affected fires: Garner Complex * Counties affected: In Southwest OR...Most of Jackson and Eastern Josephine to include the cities of Grants Pass...Medford...Ashland. * Wind: Northwest 10 to 15 mph with gusts up to 25 mph. * Afternoon humidity: 12 to 16 percent. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr $$ Visit us at www.weather.gov/Medford
419 WWUS86 KMFR 262243 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 343 PM PDT Thu Jul 26 2018 ...A combination of low relative humidity, gusty winds, and unstable conditions will create the potential for extreme fire growth... .Low relative humidity, gusty winds, and unstable conditions will combine to create the possibility of significant spread of new and existing fires. In addition, spotting and periods of plume dominated growth will be possible both this afternoon and Friday afternoon. ORZ620-270315- /O.NEW.KMFR.FW.W.0014.180727T2100Z-180728T0300Z/ /O.CON.KMFR.FW.W.0013.000000T0000Z-180727T0300Z/ Western Rogue Basin including the Illinois Valley- 343 PM PDT Thu Jul 26 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF FIRE WEATHER ZONE 620... ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT FRIDAY FOR STRONG GUSTY WIND WITH LOW RH AND HAINES 5 WITH EXISTING FIRE FOR FIRE WEATHER ZONE 620... The National Weather Service in Medford has issued a Red Flag Warning...which is in effect from 2 PM to 8 PM PDT Friday. * Impacts: Breezy winds, low relative humidity, and unstable conditions will combine with high fire danger and will contribute to a significant spread of new and existing fires. * Affected area Today and Friday: In fire weather zone 620...Eastern half of the zone including the northern portions of the Illinois Valley and sections of the Applegate Valley. * Affected fires: Garner Complex * Counties affected: Eastern Josephine to include the cities of Grants Pass. * Wind: North 5 to 10 mph. * Afternoon humidity: 10 to 15 percent. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr && $$ ORZ622-270300- /O.CON.KMFR.FW.W.0013.000000T0000Z-180727T0300Z/ Eastern Rogue Valley- 343 PM PDT Thu Jul 26 2018 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF FIRE WEATHER ZONE 622... * Impacts: Strong, gusty wind with low relative humidity and high fire danger will contribute to a significant spread of new fires. * Affected area: The entire zone 622 excluding the west facing slopes of the Cascades. It includes all major valleys and all areas up to roughly 3000 feet. * Counties affected: Jackson, including the Cities of Medford and Ashland. * Wind: Northwest 10 to 15 mph with gusts up to 25 mph. * Afternoon humidity: 12 to 16 percent. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr $$ Visit us at www.weather.gov/Medford
427 WWUS86 KMFR 270312 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 812 PM PDT Thu Jul 26 2018 ...A combination of continued low relative humidity, gusty winds, and unstable conditions will create the potential for significant fire growth Friday afternoon and evening... .Low relative humidity, gusty winds, and unstable conditions will combine to create the possibility of significant spread of new and existing fires. In addition, periods of plume dominated growth and spotting will be possible Friday afternoon and evening. ORZ620-271900- /O.EXP.KMFR.FW.W.0013.000000T0000Z-180727T0300Z/ /O.CON.KMFR.FW.W.0014.180727T2100Z-180728T0300Z/ Western Rogue Basin including the Illinois Valley- 812 PM PDT Thu Jul 26 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND HAINES 5 CONDITIONS FOR PORTIONS OF FIRE WEATHER ZONE 620 INCLUDING THE GARNER COMPLEX... * Impacts: Gusty afternoon and evening wind with low relative humidity along with Haines 5 conditions is likely contribute to a significant spread of new and existing fires. * Affected area: Portions of Fire Weather Zone 620, including the Garner Complex, the northern portions of the Illinois Valley including Wilderville, and sections of the Applegate Valley, and the Rogue Rover Valley at and around Grants Pass and Merlin. * Affected fires: Garner Complex * Counties affected: In Southwest OR...Curry...Jackson...Josephine. * Wind: North 5 to 12 mph with gusts 10 to20 mph. * Afternoon humidity: 10 to 15 percent. * Haines Index: 5 (Moderate). * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr Precautionary/preparedness actions... Gusty winds and low relative humidities will cause fires to spread very rapidly. Haines level of 5 means that conditions are moderately conducive to plume dominated fire. && $$ ORZ622-270415- /O.EXP.KMFR.FW.W.0013.000000T0000Z-180727T0300Z/ Eastern Rogue Valley- 812 PM PDT Thu Jul 26 2018 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF FIRE WEATHER ZONE 622... Winds have become light and RHs have risen enough that the Red Flag Warning for this area has been allowed to expire. $$ BTL Visit us at www.weather.gov/Medford
984 WWUS86 KMFR 270317 CCA RFWMFR URGENT - FIRE WEATHER MESSAGE...CORRECTED National Weather Service Medford OR 817 PM PDT Thu Jul 26 2018 Corrected wording... ...A combination of continued low relative humidity, gusty winds, and unstable conditions will create the potential for significant fire growth Friday afternoon and evening... .Low relative humidity, gusty winds, and unstable conditions will combine to create the possibility of significant spread of new and existing fires. Periods of plume dominated growth and spotting will be possible Friday afternoon and evening. ORZ620-271900- /O.EXP.KMFR.FW.W.0013.000000T0000Z-180727T0300Z/ /O.COR.KMFR.FW.W.0014.180727T2100Z-180728T0300Z/ Western Rogue Basin including the Illinois Valley- 817 PM PDT Thu Jul 26 2018 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT FRIDAY FOR GUSTY WINDS, LOW HUMIDITY, AND HAINES 5 CONDITIONS FOR PORTIONS OF FIRE WEATHER ZONE 620 INCLUDING THE GARNER COMPLEX... * Impacts: Gusty afternoon and evening wind with low relative humidity along with Haines 5 conditions is likely contribute to a significant spread of new and existing fires. * Affected area: Portions of Fire Weather Zone 620, including the Garner Complex, the northern portions of the Illinois Valley including Wilderville, sections of the Applegate Valley, and the Rogue River Valley at and around Grants Pass and Merlin. * Affected fires: Garner Complex * Counties affected: In Southwest OR...Curry...Jackson...Josephine. * Wind: North 5 to 12 mph with gusts 10 to 20 mph. * Afternoon humidity: 10 to 15 percent. * Haines Index: 5 (Moderate). * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr Precautionary/preparedness actions... Gusty winds and low relative humidities will cause fires to spread very rapidly. Haines level of 5 means that conditions are moderately conducive to plume dominated fire due to dryness and instability extending to well above the surface. && $$ ORZ622-270415- /O.EXP.KMFR.FW.W.0013.000000T0000Z-180727T0300Z/ Eastern Rogue Valley- 817 PM PDT Thu Jul 26 2018 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF FIRE WEATHER ZONE 622... Winds have become light and RHs have risen enough that the Red Flag Warning for this area has been allowed to expire. $$ BTL 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 24, 6:16 PM PDT | Special Weather Statement | MFR | Deschutes | 29 min |
| Jul 25, 2:17 AM PDT | Fire Weather Watch | MFR | Curry, Jackson, Josephine | 11 hr |
Nearby
Red Flag Warnings in Oregon, 2018Every red flag warning in 2018
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.