Alert archive / California / Wind Advisories in 2021
Wind Advisory 22, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Oct 15, 2021, 1:47 PM PDT for Modoc County, Siskiyou County, California; Klamath County, Lake County, Oregon. It took effect at Oct 17, 2021, 9:00 AM PDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Oct 15, 2021, 1:47 PM PDT (20:47 UTC)
- In effect from
- Oct 17, 2021, 9:00 AM PDT
- Expired
- Oct 17, 2021, 9:00 PM PDT
- In force
- 12 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 20:45 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, 8.8 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
- 1069 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
991 WWUS76 KMFR 152047 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 147 PM PDT Fri Oct 15 2021 CAZ085-ORZ030-031-162100- /O.NEW.KMFR.WI.Y.0022.211017T1800Z-211018T0300Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 147 PM PDT Fri Oct 15 2021 ...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM PDT SUNDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...In California, Modoc County including the Warner Mountains. In Oregon, Highway 31 near Summer Lake and mountain areas of Southern Lake and Extreme Eastern Klamath County. * WHEN...From 11 AM to 8 PM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Drought-stressed trees are more likely to be damaged, and tree fall is more likely in wildfire burn scar areas. * 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. && $$ Visit us at https://www.weather.gov/Medford
3 follow-up statements
861 WWUS76 KMFR 162050 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 150 PM PDT Sat Oct 16 2021 ORZ029-172115- /O.EXB.KMFR.WI.Y.0022.211017T1800Z-211018T0400Z/ Klamath Basin- 150 PM PDT Sat Oct 16 2021 ...WIND ADVISORY IN EFFECT FROM 11 AM TO 9 PM PDT SUNDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Portions of Southern Klamath County east of Klamath Falls, including Bonanza. * WHEN...From 11 AM to 9 PM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Drought-stressed trees are more likely to be damaged, and tree fall is more likely in wildfire burn scar areas. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ081-172115- /O.EXB.KMFR.WI.Y.0022.211017T1600Z-211018T0000Z/ Central Siskiyou County- Including the city of Weed 150 PM PDT Sat Oct 16 2021 ...WIND ADVISORY IN EFFECT FROM 9 AM TO 5 PM PDT SUNDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Central Siskiyou County including Weed and portions of Interstate 5 near Weed. * WHEN...From 9 AM to 5 PM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Drought-stressed trees are more likely to be damaged, and tree fall is more likely in wildfire burn scar areas. * 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. && $$ CAZ085-ORZ030-031-172115- /O.EXT.KMFR.WI.Y.0022.211017T1800Z-211018T0400Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the city of Adel 150 PM PDT Sat Oct 16 2021 ...WIND ADVISORY NOW IN EFFECT FROM 11 AM TO 9 PM PDT SUNDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...In California, Modoc County including the Warner Mountains. In Oregon, Highway 31 near Summer Lake, mountain areas of Southern Lake and Extreme Eastern Klamath County, including the Bootleg wildfire burn scar. * WHEN...From 11 AM to 9 PM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Drought-stressed trees are more likely to be damaged, and tree fall is more likely in wildfire burn scar areas. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
276 WWUS76 KMFR 172104 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 204 PM PDT Sun Oct 17 2021 CAZ085-ORZ029>031-180400- /O.CON.KMFR.WI.Y.0022.000000T0000Z-211018T0400Z/ Modoc County-Klamath Basin- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the city of Adel 204 PM PDT Sun Oct 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...In California, Modoc County including the Warner Mountains. In Oregon, Highway 31 near Summer Lake, mountain areas of Southern Lake and Extreme Eastern Klamath County, including the Bootleg wildfire burn scar. Also includes portions of Southern Klamath County east of Klamath Falls, including Bonanza. * WHEN...From 11 AM to 9 PM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Drought-stressed trees are more likely to be damaged, and tree fall is more likely in wildfire burn scar areas. * 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. && $$ CAZ081-180000- /O.CON.KMFR.WI.Y.0022.000000T0000Z-211018T0000Z/ Central Siskiyou County- Including the city of Weed 204 PM PDT Sun Oct 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Central Siskiyou County including Weed and portions of Interstate 5 near Weed. * WHEN...From 9 AM to 5 PM PDT Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Drought-stressed trees are more likely to be damaged, and tree fall is more likely in wildfire burn scar areas. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
220 WWUS76 KMFR 180348 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 848 PM PDT Sun Oct 17 2021 CAZ085-ORZ029>031-180500- /O.EXP.KMFR.WI.Y.0022.000000T0000Z-211018T0400Z/ Modoc County-Klamath Basin- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the city of Adel 848 PM PDT Sun Oct 17 2021 ...WIND ADVISORY WILL EXPIRE AT 9 PM PDT THIS EVENING... Winds have diminished across the area and no longer pose an immediate threat. The Wind Advisory will therefore be allowed to expire. $$ 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 |
|---|---|---|---|---|
| Oct 15, 2:19 AM PDT | Small Craft Advisory | MFR | 9 hr |
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.