Alert archive / California / Wind Advisories in 2021
Wind Advisory 34, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Dec 19, 2021, 2:44 PM PST for Siskiyou County, California; Lake County, Oregon. It was in force for 19 hr.
The area
The counties it named.
The facts
- Issued
- Dec 19, 2021, 2:44 PM PST (22:44 UTC)
- Expired
- Dec 20, 2021, 10:00 AM PST
- In force
- 19 hr
- Issued by
- NWS Medford, OR
Counties Siskiyou County, CA, Lake County, OR
The radar
The Medford radar (KMAX), 104 km from the middle of the area, began a volume at 22:44 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, 10.7 hours before the alert went out and 112 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
- 958 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 404 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
707 WWUS76 KMFR 192244 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 244 PM PST Sun Dec 19 2021 CAZ081-200645- /O.NEW.KMFR.WI.Y.0034.211219T2244Z-211220T1500Z/ Central Siskiyou County- 244 PM PST Sun Dec 19 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 AM PST MONDAY... * WHAT...Southeast winds 10 to 20 mph with gusts up to 45 mph. * WHERE...The Shasta Valley near Weed and Grenada along interstate 5. * WHEN...Until 7 AM PST Monday. * IMPACTS...Gusty winds could make travel difficult for high profile vehicles. * 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. && $$ ORZ031-200645- /O.NEW.KMFR.WI.Y.0034.211219T2244Z-211220T1200Z/ Central and Eastern Lake County- 244 PM PST Sun Dec 19 2021 ...WIND ADVISORY IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Central and Eastern Lake County along Highway 31 near Summer Lake. * WHEN...Until 4 AM PST Monday. * IMPACTS...Gusty winds could make travel difficult for high profile vehicles. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
3 follow-up statements
232 WWUS76 KMFR 200628 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 1028 PM PST Sun Dec 19 2021 ORZ031-200730- /O.CAN.KMFR.WI.Y.0034.000000T0000Z-211220T1200Z/ Central and Eastern Lake County- 1028 PM PST Sun Dec 19 2021 ...WIND ADVISORY IS CANCELLED... The last advisory speed gusts occured between 3 and 5 hours ago and guidance is not indicating more are likely for the rest of the night. $$ CAZ081-201500- /O.CON.KMFR.WI.Y.0034.000000T0000Z-211220T1500Z/ Central Siskiyou County- 1028 PM PST Sun Dec 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST MONDAY... * WHAT...Southeast winds 10 to 20 mph with gusts up to 45 mph. * WHERE...The Shasta Valley near Weed and Grenada along interstate 5. * WHEN...Until 7 AM PST Monday. * IMPACTS...Gusty winds could make travel difficult for high profile vehicles. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
931 WWUS76 KMFR 201440 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 640 AM PST Mon Dec 20 2021 CAZ081-201800- /O.EXT.KMFR.WI.Y.0034.000000T0000Z-211220T1800Z/ Central Siskiyou County- 640 AM PST Mon Dec 20 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Southeast winds 10 to 20 mph with gusts up to 45 mph. * WHERE...The Shasta Valley near Weed and Grenada along Interstate 5. * WHEN...Until 10 AM PST this morning. * IMPACTS...Gusty winds could make travel difficult for high profile vehicles. * 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. && $$ Visit us at https://www.weather.gov/Medford
095 WWUS76 KMFR 201743 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 943 AM PST Mon Dec 20 2021 CAZ081-201845- /O.EXP.KMFR.WI.Y.0034.000000T0000Z-211220T1800Z/ Central Siskiyou County- 943 AM PST Mon Dec 20 2021 ...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING... Breezy southerly winds will persist through the day, although the strongest gusts have passed. $$ 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 |
|---|---|---|---|---|
| Dec 19, 1:35 AM PST | Small Craft Advisory | MFR | 3 days | |
| Dec 19, 1:35 AM PST | Hazardous Seas Warning | MFR | 4 days |
Nearby
Wind Advisories in California, 2021Wind Advisories in Oregon, 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.