Alert archive / California / Wind Advisories in 2021
Wind Advisory 29, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Nov 9, 2021, 4:05 AM PST for Siskiyou County, California. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Nov 9, 2021, 4:05 AM PST (12:05 UTC)
- Expired
- Nov 9, 2021, 7:00 AM PST
- In force
- 3 hr
- Issued by
- NWS Medford, OR
County Siskiyou County, CA
The radar
The Medford radar (KMAX), 56 km from the middle of the area, began a volume at 12:09 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, 0.1 hours before the alert went out and 89 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
- 829 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 815 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
226 WWUS76 KMFR 091205 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 405 AM PST Tue Nov 9 2021 CAZ081-091500- /O.EXP.KMFR.HW.W.0013.000000T0000Z-211109T1200Z/ /O.EXP.KMFR.WI.Y.0028.000000T0000Z-211109T1200Z/ /O.NEW.KMFR.WI.Y.0029.211109T1205Z-211109T1500Z/ Central Siskiyou County- Including the cities of Weed and Yreka 405 AM PST Tue Nov 9 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 AM PST THIS MORNING... ...HIGH WIND WARNING HAS EXPIRED... ...WIND ADVISORY HAS EXPIRED... * WHAT...South winds 15 to 25 mph with gusts 45 to 55 mph. * WHERE...The Shasta Valley in and around Weed to Gazelle and south of Grenada. This includes the portion of Interstate 5 near Weed and the portion of Highway 97 southwest of Grass Lake to Weed in Central Siskiyou County. * 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. && $$ ORZ026-091315- /O.EXP.KMFR.HW.W.0013.000000T0000Z-211109T1200Z/ /O.EXP.KMFR.WI.Y.0028.000000T0000Z-211109T1200Z/ Jackson County- Including the cities of Medford and Ashland 405 AM PST Tue Nov 9 2021 ...HIGH WIND WARNING HAS EXPIRED... ...WIND ADVISORY HAS EXPIRED... Wind speed has fallen to below advisory level and is expected to remain below advisory level through the day. $$ ORZ021-022-091315- /O.EXP.KMFR.HW.W.0013.000000T0000Z-211109T1200Z/ South Central Oregon Coast-Curry County Coast- Including the cities of Bandon, Port Orford, Harbor, and Gold Beach 405 AM PST Tue Nov 9 2021 ...HIGH WIND WARNING HAS EXPIRED... Wind speed has fallen to below warning level and is expected to remain below warning level through the day. $$ CAZ084-ORZ029-091315- /O.EXP.KMFR.WI.Y.0028.000000T0000Z-211109T1200Z/ Northeast Siskiyou and Northwest Modoc Counties-Klamath Basin- Including the cities of Dorris, Newell, Macdoel, Altamont, and Klamath Falls 405 AM PST Tue Nov 9 2021 ...WIND ADVISORY HAS EXPIRED... Wind speed has fallen to below advisory level and is expected to remain below advisory level through the day. $$ CAZ085-ORZ030-031-091500- /O.CON.KMFR.HW.W.0013.000000T0000Z-211109T1500Z/ /O.CON.KMFR.WI.Y.0028.000000T0000Z-211109T1500Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the cities of Alturas, Likely, Sprague River, Adel, Lakeview, and Valley Falls 405 AM PST Tue Nov 9 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... * WHAT...For the High Wind Warning, south winds 25 to 35 mph with gusts up to 70 mph expected. For the Wind Advisory, south winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In California, Modoc County. In Oregon, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County. For the High Wind Warning, all higher terrain areas, but also along Highway 31 from Valley Falls northward to Summer Lake. For the Wind Advisory, Sprague River and other areas along Highway 140, US 395 and Highway 31, including Alturas, Lakeview, Adel, Alkali Lake and Silver Lake. * WHEN...Until 7 AM PST Tuesday. * IMPACTS...Wind this strong can blow down trees and power lines resulting in power outages. Travel will be difficult, especially for high profile vehicles. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ BTL Visit us at https://www.weather.gov/Medford
1 follow-up statement
084 WWUS76 KMFR 091457 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 657 AM PST Tue Nov 9 2021 CAZ085-ORZ030-031-091600- /O.EXP.KMFR.HW.W.0013.000000T0000Z-211109T1500Z/ /O.EXP.KMFR.WI.Y.0028.000000T0000Z-211109T1500Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the cities of Alturas, Likely, Sprague River, Adel, Lakeview, and Valley Falls 657 AM PST Tue Nov 9 2021 ...HIGH WIND WARNING WILL EXPIRE AT 7 AM PST THIS MORNING... ...WIND ADVISORY WILL EXPIRE AT 7 AM PST THIS MORNING... Wind speed has fallen to below advisory level and is expected to remain below advisory level through the day. $$ CAZ081-091600- /O.EXP.KMFR.WI.Y.0029.000000T0000Z-211109T1500Z/ Central Siskiyou County- Including the city of Weed 657 AM PST Tue Nov 9 2021 ...WIND ADVISORY WILL EXPIRE AT 7 AM PST THIS MORNING... Wind speed has fallen to below advisory level and is expected to remain below advisory level through the day. $$ BTL Visit us at https://www.weather.gov/Medford
Nearby
Wind 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.