Alert archive / Oregon / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Medford, OR
NWS Medford, OR issued this red flag warning at Jun 1, 2021, 1:04 PM PDT for Harney County, Klamath County, Lake County, Oregon. It took effect at Jun 2, 2021, 2:00 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
- Jun 1, 2021, 1:04 PM PDT (20:04 UTC)
- In effect from
- Jun 2, 2021, 2:00 PM PDT
- Expired
- Jun 2, 2021, 9:00 PM PDT
- In force
- 7 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 20:03 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, 8.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2108 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
615 WWUS86 KMFR 012004 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 104 PM PDT Tue Jun 1 2021 ORZ624-625-021200- /O.UPG.KMFR.FW.A.0002.210602T2100Z-210603T0400Z/ /O.NEW.KMFR.FW.W.0002.210602T2100Z-210603T0400Z/ Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 104 PM PDT Tue Jun 1 2021 ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM PDT WEDNESDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 624 AND 625... The National Weather Service in Medford has issued a Red Flag Warning...which is in effect from 2 PM to 9 PM PDT Wednesday. The Fire Weather Watch is no longer in effect. * Impacts: Abundant lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Some storms could be dry, but even in rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area: In South Central OR...Northern Fire Weather Zones 624 and 625, including portions of the Fremont-Winema National Forest and the communities of Chemult, Silver Lake, Summer Lake, and Fort Rock. * Wind: Southwest to west 10 to 15 mph with gusts to 25 mph outside of any storms. Stronger, shifting winds possible near any storms. * Thunderstorms: Storms will be moving from southwest to northeast. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Abundant lightning on existing very dry fuels could cause numerous new fire ignitions. Gusty and erratic outflow winds could also create extreme fire growth potential. && $$ BPN Visit us at www.weather.gov/Medford
3 follow-up statements
893 WWUS86 KMFR 021134 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 434 AM PDT Wed Jun 2 2021 ORZ624-625-022200- /O.CON.KMFR.FW.W.0002.210602T2100Z-210603T0400Z/ Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 434 AM PDT Wed Jun 2 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 624 AND 625... * Impacts: Abundant lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Some storms could be dry, but even with rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area: In South Central OR...Northern Fire Weather Zones 624 and 625, including portions of the Fremont-Winema National Forest and the communities of Chemult, Silver Lake, Summer Lake, and Fort Rock. * Wind: Southwest to west 10 to 15 mph with gusts to 25 mph outside of any storms, shifting to west to northwest winds after 6pm. Stronger, shifting winds possible near any storms. * Thunderstorms: Storms will be moving from southwest to northeast. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Abundant lightning on existing very dry fuels could cause numerous new fire ignitions. Gusty and erratic outflow winds could also create extreme fire growth potential. $$ Visit us at www.weather.gov/Medford
366 WWUS86 KMFR 022134 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 234 PM PDT Wed Jun 2 2021 ORZ624-625-030400- /O.CON.KMFR.FW.W.0002.000000T0000Z-210603T0400Z/ Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 234 PM PDT Wed Jun 2 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 624 AND 625... * Impacts: Abundant lightning and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Some storms could be dry, but even with rainfall, initial attack resources could be overwhelmed and holdover fires are possible. * Affected area: In South Central OR...Northern Fire Weather Zones 624 and 625, including portions of the Fremont-Winema National Forest and the communities of Chemult, Silver Lake, Summer Lake, and Fort Rock. * Wind: Southwest to west 10 to 15 mph with gusts to 25 mph outside of any storms, shifting to west to northwest winds after 6pm. Stronger, shifting winds possible near any storms. * Thunderstorms: Storms will be moving from southwest to northeast. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD $$ Visit us at www.weather.gov/Medford
966 WWUS86 KMFR 030347 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 847 PM PDT Wed Jun 2 2021 ORZ624-625-030500- /O.EXP.KMFR.FW.W.0002.000000T0000Z-210603T0400Z/ Klamath Basin and the Fremont-Winema National Forest- South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties- 847 PM PDT Wed Jun 2 2021 ...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 624 AND 625... A couple of isolated storms may be possible in the next hour or so, but the lightning threat that could possibly overwhelm initial attack has ended. Therefore, the Red Flag Warning will be allowed to expire. So far, we've received 157 lightning strikes in Lake and Klamath Counties. $$ 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 |
|---|---|---|---|---|
| Jun 1, 2:39 AM PDT | Fire Weather Watch | MFR | Harney, Klamath, Lake | 10 hr |
Nearby
Red Flag Warnings in Oregon, 2021Every red flag warning in 2021
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.