Alert archive / Oregon / Wind Advisories in 2021
Wind Advisory 19, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Sep 16, 2021, 2:41 PM PDT for Klamath County, Lake County, Oregon; Modoc County, California. It took effect at Sep 18, 2021, 12:00 PM PDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Sep 16, 2021, 2:41 PM PDT (21:41 UTC)
- In effect from
- Sep 18, 2021, 12:00 PM PDT
- Expired
- Sep 18, 2021, 11:00 PM PDT
- In force
- 11 hr
- 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 21:39 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, 9.7 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
- 1695 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- -29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
623 WWUS76 KMFR 162141 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 241 PM PDT Thu Sep 16 2021 CAZ085-ORZ030-031-171200- /O.NEW.KMFR.WI.Y.0019.210918T1900Z-210919T0600Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the cities of Alturas, Canby, Lakeview, and Valley Falls 241 PM PDT Thu Sep 16 2021 ...WIND ADVISORY IN EFFECT FROM NOON TO 11 PM PDT SATURDAY... * WHAT...Southwest winds 25 to 40 mph with gusts up to 50 mph expected. * WHERE...In California, Modoc County, including highways 299, 395, the cities of Alturas, Canby and Willow Creek. In Oregon, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County. This includes the cities of Lakeview, Valley Falls, and portions of highways 140 east of Bly, 395 and highway 31 between Summer Lake and Lakeview. * WHEN...From noon to 11 PM PDT Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty winds could also lead to enhanced fire behavior on existing fires. * 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. && $$ Visit us at https://www.weather.gov/Medford
3 follow-up statements
257 WWUS76 KMFR 171201 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 501 AM PDT Fri Sep 17 2021 CAZ085-ORZ030-031-172015- /O.CON.KMFR.WI.Y.0019.210918T1900Z-210919T0600Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the cities of Alturas, Canby, Lakeview, and Valley Falls 501 AM PDT Fri Sep 17 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TO 11 PM PDT SATURDAY... * WHAT...Southwest winds 25 to 40 mph with gusts up to 50 mph expected. * WHERE...In California, Modoc County, including highways 299, 395, the cities of Alturas, Canby and Willow Creek. In Oregon, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County. This includes the cities of Lakeview, Valley Falls, and portions of highways 140 east of Bly, 395 and highway 31 between Summer Lake and Lakeview. * WHEN...From noon to 11 PM PDT Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty winds could also lead to enhanced fire behavior on existing fires. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
350 WWUS76 KMFR 172003 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 103 PM PDT Fri Sep 17 2021 CAZ085-ORZ030-031-182215- /O.CON.KMFR.WI.Y.0019.210918T1900Z-210919T0600Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the cities of Alturas, Canby, Lakeview, and Valley Falls 103 PM PDT Fri Sep 17 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TO 11 PM PDT SATURDAY... * WHAT...Southwest winds 25 to 40 mph with gusts up to 50 mph expected. * WHERE...In California, Modoc County, including highways 299, 395, the cities of Alturas, Canby and Willow Creek. In Oregon, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County. This includes the cities of Lakeview, Valley Falls, and portions of highways 140 east of Bly, 395 and highway 31 between Summer Lake and Lakeview. * WHEN...From noon to 11 PM PDT Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty winds could also lead to greater wildfire-spread potential... * 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. && $$ Visit us at https://www.weather.gov/Medford
242 WWUS76 KMFR 182157 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 257 PM PDT Sat Sep 18 2021 CAZ085-ORZ030-031-190600- /O.CON.KMFR.WI.Y.0019.000000T0000Z-210919T0600Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the cities of Alturas, Canby, Lakeview, and Valley Falls 257 PM PDT Sat Sep 18 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Southwest winds 15 to 25 mph with gusts up to 60 mph. * WHERE...In California, Modoc County. In Oregon, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusty winds could also lead to greater wildfire-spread potential * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ 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 |
|---|---|---|---|---|
| Sep 16, 2:47 AM PDT | Small Craft Advisory | MFR | 50 hr | |
| Sep 16, 2:47 AM PDT | Hazardous Seas Warning | MFR | 20 hr | |
| Sep 16, 2:19 PM PDT | Flash Flood Watch | MFR | Siskiyou | 49 hr |
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.