Alert archive / Oregon / Wind Advisories in 2021
Wind Advisory 31, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Nov 17, 2021, 2:00 PM PST for Klamath County, Lake County, Oregon; Modoc County, Siskiyou County, California. It took effect at Nov 18, 2021, 1:00 PM PST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Nov 17, 2021, 2:00 PM PST (22:00 UTC)
- In effect from
- Nov 18, 2021, 1:00 PM PST
- Expired
- Nov 19, 2021, 7:00 AM PST
- In force
- 18 hr
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, Siskiyou County, CA, Klamath County, OR, Lake County, OR
The radar
The Medford radar (KMAX), 115 km from the middle of the area, began a volume at 22:05 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, 10.0 hours before the alert went out and 123 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
- 1039 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- -60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
605 WWUS76 KMFR 172200 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 200 PM PST Wed Nov 17 2021 CAZ081-181300- /O.NEW.KMFR.WI.Y.0031.211118T2100Z-211119T1200Z/ Central Siskiyou County- Including the city of Weed 200 PM PST Wed Nov 17 2021 ...WIND ADVISORY IN EFFECT FROM 1 PM THURSDAY TO 4 AM PST FRIDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Central Siskiyou County. * WHEN...From 1 PM Thursday to 4 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Interstate 5 will be affected by these winds, especially near the Weed Airport. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
6 follow-up statements
151 WWUS76 KMFR 172202 CCA NPWMFR URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Medford OR 202 PM PST Wed Nov 17 2021 CAZ081-181300- /O.COR.KMFR.WI.Y.0031.211118T2100Z-211119T1200Z/ Central Siskiyou County- Including the city of Weed 202 PM PST Wed Nov 17 2021 ...WIND ADVISORY IN EFFECT FROM 1 PM THURSDAY TO 4 AM PST FRIDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Central Siskiyou County. This includes the Shasta Valley and the cities of Weed, Gazelle, Grenada, and Montague. Weed Airport is also included in this advisory. * WHEN...From 1 PM Thursday to 4 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Interstate 5 will be affected by these winds, especially near the Weed Airport. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
410 WWUS76 KMFR 181055 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 255 AM PST Thu Nov 18 2021 CAZ081-182300- /O.CON.KMFR.WI.Y.0031.211118T2100Z-211119T1200Z/ Central Siskiyou County- Including the city of Weed 255 AM PST Thu Nov 18 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 4 AM PST FRIDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Central Siskiyou County. This includes the Shasta Valley and the cities of Weed, Gazelle, Grenada, and Montague. Weed Airport is also included in this advisory. * WHEN...From 1 PM this afternoon to 4 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Interstate 5 will be affected by these winds, especially near the Weed Airport. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
427
WWUS76 KMFR 181735
NPWMFR
URGENT - WEATHER MESSAGE
National Weather Service Medford OR
935 AM PST Thu Nov 18 2021
CAZ085-ORZ030-031-190600-
/O.EXB.KMFR.WI.Y.0031.211119T0300Z-211119T1500Z/
Modoc County-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the city of Valley Falls
935 AM PST Thu Nov 18 2021
...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM PST
FRIDAY...
* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph
expected.
* WHERE...
- In California, the Warner Mountains in Modoc County, including
Highway 89 at and near Cedar Pass.
- In Oregon, Northern and Eastern Klamath County and Western
Lake County and Central and Eastern Lake County including the
Warner Mountains, higher elevation portions of Highway 140 at
Quartz Mountain and east of Lakeview to the Nevada border,
portions of Highway 395 between Lakeview and Alkali Lake, and
portions of Highway 31 between Lakeview and Silver Lake.
* WHEN...From 7 PM this evening to 7 AM PST Friday.
* IMPACTS...Gusty winds could blow around unsecured objects. Gusty
winds could make steering difficult, especially for high profile
vehicles. Use extra caution.
* ADDITIONAL DETAILS...The strongest winds are expected
early Friday morning and will be strongest along highway 31
between Paisley and Silver Lake and across the higher terrain.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.
&&
$$
CAZ081-190600-
/O.CON.KMFR.WI.Y.0031.211118T2100Z-211119T1200Z/
Central Siskiyou County-
Including the city of Weed
935 AM PST Thu Nov 18 2021
...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
4 AM PST FRIDAY...
* WHAT...South winds 25 to 35 mph with gusts up to 50 mph
expected.
* WHERE...Central Siskiyou County. This includes the Shasta
Valley and the cities of Weed, Gazelle, Grenada, and Montague.
Weed Airport is also included in this advisory.
* WHEN...From 1 PM this afternoon to 4 AM PST Friday.
* IMPACTS...Gusty winds could blow around unsecured objects.
Tree limbs could be blown down and a few power outages may
result.
* ADDITIONAL DETAILS...Interstate 5 will be affected by these
winds, especially near the Weed Airport.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.
&&
$$
BTL
Visit us at https://www.weather.gov/Medford106
WWUS76 KMFR 181801 CCA
NPWMFR
URGENT - WEATHER MESSAGE...CORRECTED
National Weather Service Medford OR
1001 AM PST Thu Nov 18 2021
Corrected wording for the Wind Advisory in California to portions
of Highway 299 instead of portions of Highway 89...
CAZ085-ORZ030-031-190600-
/O.COR.KMFR.WI.Y.0031.211119T0300Z-211119T1500Z/
Modoc County-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the city of Valley Falls
1001 AM PST Thu Nov 18 2021
...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM PST
FRIDAY...
* WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph
expected.
* WHERE...
- In California, the Warner Mountains in Modoc County, including
Highway 299 at and near Cedar Pass.
- In Oregon, Northern and Eastern Klamath County and Western
Lake County and Central and Eastern Lake County including the
Warner Mountains, higher elevation portions of Highway 140 at
Quartz Mountain and east of Lakeview to the Nevada border,
portions of Highway 395 between Lakeview and Alkali Lake, and
portions of Highway 31 between Lakeview and Silver Lake.
* WHEN...From 7 PM this evening to 7 AM PST Friday.
* IMPACTS...Gusty winds could blow around unsecured objects. Gusty
winds could make steering difficult, especially for high profile
vehicles. Use extra caution.
* ADDITIONAL DETAILS...The strongest winds are expected
early Friday morning and will be strongest along highway 31
between Paisley and Silver Lake and across the higher terrain.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.
&&
$$
CAZ081-190600-
/O.CON.KMFR.WI.Y.0031.211118T2100Z-211119T1200Z/
Central Siskiyou County-
Including the city of Weed
1001 AM PST Thu Nov 18 2021
...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
4 AM PST FRIDAY...
* WHAT...South winds 25 to 35 mph with gusts up to 50 mph
expected.
* WHERE...Central Siskiyou County. This includes the Shasta
Valley and the cities of Weed, Gazelle, Grenada, and Montague.
Weed Airport is also included in this advisory.
* WHEN...From 1 PM this afternoon to 4 AM PST Friday.
* IMPACTS...Gusty winds could blow around unsecured objects.
Tree limbs could be blown down and a few power outages may
result.
* ADDITIONAL DETAILS...Interstate 5 will be affected by these
winds, especially near the Weed Airport.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.
&&
$$
BTL
Visit us at https://www.weather.gov/Medford147 WWUS76 KMFR 190544 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 944 PM PST Thu Nov 18 2021 CAZ081-191000- /O.EXT.KMFR.WI.Y.0031.000000T0000Z-211119T1000Z/ Central Siskiyou County- Including the city of Weed 944 PM PST Thu Nov 18 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 2 AM PST FRIDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Central Siskiyou County. This includes the Shasta Valley and the cities of Weed, Gazelle, Grenada, and Montague. Weed Airport is also included in this advisory. * WHEN...Until 2 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Interstate 5 will be affected by these winds, especially near the Weed Airport. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ085-ORZ030-031-191500- /O.CON.KMFR.WI.Y.0031.000000T0000Z-211119T1500Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the city of Valley Falls 944 PM PST Thu Nov 18 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST FRIDAY... * WHAT...South winds 25 to 35 mph with gusts 45 to 55 mph expected. * WHERE... -In California, the Warner Mountains in Modoc County, including Highway 299 at and near Cedar Pass. -In Oregon, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County including the Warner Mountains, higher elevation portions of Highway 140 at Quartz Mountain and east of Lakeview to the Nevada border, portions of Highway 395 between Lakeview and Alkali Lake, and portions of Highway 31 between Lakeview and Silver Lake. * WHEN...From 7 PM this evening to 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Gusty winds could make steering difficult, especially for high profile vehicles. Use extra caution. * ADDITIONAL DETAILS...The strongest winds are expected early Friday morning and will be strongest along highway 31 between Paisley and Silver Lake and across the higher terrain. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
417 WWUS76 KMFR 191007 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 207 AM PST Fri Nov 19 2021 CAZ081-191115- /O.EXP.KMFR.WI.Y.0031.000000T0000Z-211119T1000Z/ Central Siskiyou County- Including the city of Weed 207 AM PST Fri Nov 19 2021 ...WIND ADVISORY HAS EXPIRED... The wind advisory has expired. Winds will continue to diminish this morning. Peak gusts of 49 mph were recorded at Weed during Thursday afternoon and evening. $$ CAZ085-ORZ030-031-191500- /O.CON.KMFR.WI.Y.0031.000000T0000Z-211119T1500Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the city of Valley Falls 207 AM PST Fri Nov 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... * WHAT...Southwest winds 20 to 30 mph with gusts up to 55 mph. * WHERE... -In California, the Warner Mountains in Modoc County, including Highway 299 at and near Cedar Pass. -In Oregon, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County including the Warner Mountains, higher elevation portions of Highway 140 at Quartz Mountain and east of Lakeview to the Nevada border, portions of Highway 395 between Lakeview and Alkali Lake, and portions of Highway 31 between Lakeview and Silver Lake. * WHEN...Until 7 AM PST this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 17, 2:03 AM PST | Gale Watch | MFR | 12 hr | |
| Nov 17, 2:32 PM PST | Gale Warning | MFR | 31 hr | |
| Nov 17, 2:32 PM PST | Small Craft Advisory | MFR | 12 hr | |
| Nov 17, 2:41 PM PST | Hazardous Seas Warning | MFR | 3 days |
Nearby
Wind Advisories in Oregon, 2021Wind Advisories in California, 2021Every wind advisory 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.