Alert archive / Oregon / Fire Weather Watches in 2021
Fire Weather Watch 21, NWS Medford, OR
NWS Medford, OR issued this fire weather watch at Jul 19, 2021, 1:15 PM PDT for Modoc County, California; Klamath County, Lake County, Oregon. It took effect at Jul 21, 2021, 2:00 PM PDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jul 19, 2021, 1:15 PM PDT (20:15 UTC)
- In effect from
- Jul 21, 2021, 2:00 PM PDT
- Expired
- Jul 20, 2021, 3:04 PM PDT
- In force
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, Klamath County, OR, Lake County, OR
The radar
The Medford radar (KMAX), 151 km from the middle of the area, began a volume at 20:17 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, 8.3 hours before the alert went out and 154 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
- 1694 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
951 WWUS86 KMFR 192015 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 115 PM PDT Mon Jul 19 2021 ORZ624-200815- /O.UPG.KMFR.FW.A.0020.210720T2100Z-210721T0400Z/ /O.NEW.KMFR.FW.W.0026.210720T2100Z-210721T0300Z/ /O.NEW.KMFR.FW.A.0021.210721T2100Z-210722T0300Z/ /O.CON.KMFR.FW.W.0025.210719T2100Z-210720T0300Z/ Klamath Basin and the Fremont-Winema National Forest- 115 PM PDT Mon Jul 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624... ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624... The National Weather Service in Medford has issued a Red Flag Warning...which is in effect from 2 PM to 8 PM PDT Tuesday. A Fire Weather Watch has also been issued and is in effect from Wednesday afternoon through Wednesday evening. * Impacts: Strong, gusty wind with low relative humidity and critically dry vegetation will greatly increase the spread potential of any new and existing fires. * Affected area: In South Central OR...Southeastern Fire Weather Zone 624, including the Bootleg Fire, and the communities of Bly, Bonanza, Lakeview, and Valley Falls. * Wind: Southwest to west 10 to 20 mph with gusts up to 30 mph. * Humidity: As low as 11 percent. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Avoid tossing burning cigarettes on the ground, parking hot vehicles on dry vegetation, and using equipment that can cause sparks. Follow all fire restrictions. Find links to restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Gather your fire evacuation kit now. Collect essentials you don't want to lose and prioritize your checklist. Visit ready.gov/kit for more information. Familiarize yourself with your evacuation plan. Where will you go? How will you get there? Who will you call to let others know your are safe? Visit ready.gov/wildfires for more information. A Red Flag Warning does not mean there is a fire. It means that critical fire weather conditions are either occurring now or will shortly. These conditions promote rapid spread of fire which may become life threatening. Evacuate if ordered to, or if a fire threatens. && $$ CAZ285-200815- /O.UPG.KMFR.FW.A.0020.210720T2100Z-210721T0400Z/ /O.NEW.KMFR.FW.W.0026.210720T2100Z-210721T0300Z/ /O.NEW.KMFR.FW.A.0021.210721T2100Z-210722T0300Z/ /O.CON.KMFR.FW.W.0025.210719T2100Z-210720T0300Z/ Modoc County Except for the Surprise Valley- 115 PM PDT Mon Jul 19 2021 ...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 TUESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... ...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING 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 Tuesday. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Wednesday afternoon through Wednesday evening. The Fire Weather Watch is no longer in effect. * Impacts: Strong, gusty wind with low relative humidity and critically dry vegetation will greatly increase the spread potential of any new and existing fires. * Affected area: In Northern CA...Most of Fire Weather Zone 285. This includes the communities of Alturas, Canby, Adin, and Likely. * Wind: Southwest 10 to 20 mph with gusts up to 30 mph. * Humidity: As low as 9 percent. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Avoid tossing burning cigarettes on the ground, parking hot vehicles on dry vegetation, and using equipment that can cause sparks. Follow all fire restrictions. Find links to restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Gather your fire evacuation kit now. Collect essentials you don't want to lose and prioritize your checklist. Visit ready.gov/kit for more information. Familiarize yourself with your evacuation plan. Where will you go? How will you get there? Who will you call to let others know your are safe? Visit ready.gov/wildfires for more information. A Red Flag Warning does not mean there is a fire. It means that critical fire weather conditions are either occurring now or will shortly. These conditions promote rapid spread of fire which may become life threatening. Evacuate if ordered to, or if a fire threatens. && $$ Visit us at www.weather.gov/Medford
3 follow-up statements
526 WWUS86 KMFR 200250 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 750 PM PDT Mon Jul 19 2021 ORZ624-202200- /O.EXP.KMFR.FW.W.0025.000000T0000Z-210720T0300Z/ /O.CON.KMFR.FW.W.0026.210720T2100Z-210721T0300Z/ /O.CON.KMFR.FW.A.0021.210721T2100Z-210722T0300Z/ Klamath Basin and the Fremont-Winema National Forest- 750 PM PDT Mon Jul 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624... ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624... * Impacts: Strong, gusty wind with low relative humidity and critically dry vegetation will greatly increase the spread potential of any new and existing fires. * Affected area: In South Central OR...Southeastern Fire Weather Zone 624, including the Bootleg Fire, and the communities of Bly, Bonanza, Lakeview, and Valley Falls. * Wind: Southwest to west 10 to 20 mph with gusts up to 30 mph. * Humidity: 9 to 15 percent. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Avoid tossing burning cigarettes on the ground, parking hot vehicles on dry vegetation, and using equipment that can cause sparks. Follow all fire restrictions. Find links to restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Gather your fire evacuation kit now. Collect essentials you don't want to lose and prioritize your checklist. Visit ready.gov/kit for more information. Familiarize yourself with your evacuation plan. Where will you go? How will you get there? Who will you call to let others know your are safe? Visit ready.gov/wildfires for more information. A Red Flag Warning does not mean there is a fire. It means that critical fire weather conditions are either occurring now or will shortly. These conditions promote rapid spread of fire which may become life threatening. Evacuate if ordered to, or if a fire threatens. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning. && $$ CAZ285-202200- /O.EXP.KMFR.FW.W.0025.000000T0000Z-210720T0300Z/ /O.CON.KMFR.FW.W.0026.210720T2100Z-210721T0300Z/ /O.CON.KMFR.FW.A.0021.210721T2100Z-210722T0300Z/ Modoc County Except for the Surprise Valley- 750 PM PDT Mon Jul 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... * Impacts: Strong, gusty wind with low relative humidity and critically dry vegetation will greatly increase the spread potential of any new and existing fires. * Affected area: In Northern CA...Most of Fire Weather Zone 285. This includes the communities of Alturas, Canby, Adin, and Likely. * Wind: Southwest 10 to 20 mph with gusts up to 30 mph. * Humidity: 9 to 15 percent. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Avoid tossing burning cigarettes on the ground, parking hot vehicles on dry vegetation, and using equipment that can cause sparks. Follow all fire restrictions. Find links to restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Gather your fire evacuation kit now. Collect essentials you don't want to lose and prioritize your checklist. Visit ready.gov/kit for more information. Familiarize yourself with your evacuation plan. Where will you go? How will you get there? Who will you call to let others know your are safe? Visit ready.gov/wildfires for more information. A Red Flag Warning does not mean there is a fire. It means that critical fire weather conditions are either occurring now or will shortly. These conditions promote rapid spread of fire which may become life threatening. Evacuate if ordered to, or if a fire threatens. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning. && $$ Visit us at www.weather.gov/Medford
689 WWUS86 KMFR 200523 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 1023 PM PDT Mon Jul 19 2021 ORZ624-202200- /O.CON.KMFR.FW.W.0026.210720T2100Z-210721T0300Z/ /O.CON.KMFR.FW.A.0021.210721T2100Z-210722T0300Z/ Klamath Basin and the Fremont-Winema National Forest- 1023 PM PDT Mon Jul 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624 AND HAINES INDEX OF 6 OVER THE BOOTLEG FIRE... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624... * Impacts: Strong, gusty wind with low relative humidity and critically dry vegetation will greatly increase the spread potential of any new and existing fires. In addition, very dry and unstable conditions will support extreme fire behavior. Plume dominated fire behavior is possible with locally-generated erratic and gusty winds. Spotting could be problematic. * Affected area: In South Central OR...Southeastern Fire Weather Zone 624, including the Bootleg Fire, and the communities of Bly, Bonanza, Lakeview, and Valley Falls. * Wind: Southwest to west 10 to 20 mph with gusts up to 30 mph. * Humidity: 9 to 15 percent. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Avoid tossing burning cigarettes on the ground, parking hot vehicles on dry vegetation, and using equipment that can cause sparks. Follow all fire restrictions. Find links to restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Gather your fire evacuation kit now. Collect essentials you don't want to lose and prioritize your checklist. Visit ready.gov/kit for more information. Familiarize yourself with your evacuation plan. Where will you go? How will you get there? Who will you call to let others know your are safe? Visit ready.gov/wildfires for more information. A Red Flag Warning does not mean there is a fire. It means that critical fire weather conditions are either occurring now or will shortly. These conditions promote rapid spread of fire which may become life threatening. Evacuate if ordered to, or if a fire threatens. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning. $$ CAZ285-202200- /O.CON.KMFR.FW.W.0026.210720T2100Z-210721T0300Z/ /O.CON.KMFR.FW.A.0021.210721T2100Z-210722T0300Z/ Modoc County Except for the Surprise Valley- 1023 PM PDT Mon Jul 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... * Impacts: Strong, gusty wind with low relative humidity and critically dry vegetation will greatly increase the spread potential of any new and existing fires. * Affected area: In Northern CA...Most of Fire Weather Zone 285. This includes the communities of Alturas, Canby, Adin, and Likely. * Wind: Southwest 10 to 20 mph with gusts up to 30 mph. * Humidity: 9 to 15 percent. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Avoid tossing burning cigarettes on the ground, parking hot vehicles on dry vegetation, and using equipment that can cause sparks. Follow all fire restrictions. Find links to restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Gather your fire evacuation kit now. Collect essentials you don't want to lose and prioritize your checklist. Visit ready.gov/kit for more information. Familiarize yourself with your evacuation plan. Where will you go? How will you get there? Who will you call to let others know your are safe? Visit ready.gov/wildfires for more information. A Red Flag Warning does not mean there is a fire. It means that critical fire weather conditions are either occurring now or will shortly. These conditions promote rapid spread of fire which may become life threatening. Evacuate if ordered to, or if a fire threatens. A Fire Weather Watch means that critical fire weather conditions are possible during the valid watch time. These conditions could promote the rapid spread of wildfires which could become life- threatening. Check weather.gov/medford for forecast updates and a possible upgrade of the this watch to a Red Flag Warning. $$ Visit us at www.weather.gov/Medford
694 WWUS86 KMFR 202204 RFWMFR URGENT - FIRE WEATHER MESSAGE National Weather Service Medford OR 304 PM PDT Tue Jul 20 2021 ORZ624-210300- /O.UPG.KMFR.FW.A.0021.210721T2100Z-210722T0300Z/ /O.NEW.KMFR.FW.W.0027.210721T2100Z-210722T0300Z/ /O.CON.KMFR.FW.W.0026.000000T0000Z-210721T0300Z/ Klamath Basin and the Fremont-Winema National Forest- 304 PM PDT Tue Jul 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624... ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624... * Impacts: Strong, gusty wind with low relative humidity and critically dry vegetation will greatly increase the spread potential of any new and existing fires. * Affected area: For Tuesday...The Southeastern Fire Weather Zone 624, including the Bootleg Fire, and the communities of Bly, Bonanza, Lakeview, and Valley Falls. For Wednesday... The Southeastern portions of Fire Weather Zone 624 in Lake County, including Lakeview and Valley Falls. * Wind: Southwest to west 10 to 15 mph with gusts up to 30 mph Tuesday and gusts up to 25 mph Wednesday. * Humidity: 12 to 17 percent. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Avoid tossing burning cigarettes on the ground, parking hot vehicles on dry vegetation, and using equipment that can cause sparks. Follow all fire restrictions. Find links to restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Familiarize yourself with your evacuation plan. Where will you go? How will you get there? Who will you call to let others know your are safe? Visit ready.gov/wildfires for more information. A Red Flag Warning does not mean there is a fire. It means that critical fire weather conditions are either occurring now or will shortly. These conditions promote rapid spread of fire which may become life threatening. Evacuate if ordered to, or if a fire threatens. && $$ CAZ285-210300- /O.UPG.KMFR.FW.A.0021.210721T2100Z-210722T0300Z/ /O.NEW.KMFR.FW.W.0027.210721T2100Z-210722T0300Z/ /O.CON.KMFR.FW.W.0026.000000T0000Z-210721T0300Z/ Modoc County Except for the Surprise Valley- 304 PM PDT Tue Jul 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... ...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285... * Impacts: Strong, gusty wind with low relative humidity and critically dry vegetation will greatly increase the spread potential of any new and existing fires. * Affected area: In Northern CA...The entire portion of fire weather zone 285. * Wind: Southwest 10 to 20 mph with gusts up to 30 mph Tuesday Southwest 10 to 20 mph with gusts up to 25 mph Wednesday. * Humidity: 10 to 15 percent. * View the hazard area in detail at: https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... Avoid tossing burning cigarettes on the ground, parking hot vehicles on dry vegetation, and using equipment that can cause sparks. Follow all fire restrictions. Find links to restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Familiarize yourself with your evacuation plan. Where will you go? How will you get there? Who will you call to let others know your are safe? Visit ready.gov/wildfires for more information. A Red Flag Warning does not mean there is a fire. It means that critical fire weather conditions are either occurring now or will shortly. These conditions promote rapid spread of fire which may become life threatening. Evacuate if ordered to, or if a fire threatens. && $$ 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 19, 1:15 PM PDT | Red Flag Warning | MFR | Modoc | 31 hr |
| Jul 19, 2:09 PM PDT | Small Craft Advisory | MFR | 8 days |
Nearby
Fire Weather Watches in Oregon, 2021Fire Weather Watches in California, 2021Every fire weather watch 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.