Alert archive / California / Wind Advisories in 2021
Wind Advisory 8, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Jan 27, 2021, 4:50 AM PST for Modoc County, Siskiyou County, California; Klamath County, Lake County, Oregon. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Jan 27, 2021, 4:50 AM PST (12:50 UTC)
- Expired
- Jan 27, 2021, 10:00 PM PST
- In force
- 17 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 12:52 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, 0.8 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
- 1018 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
427 WWUS76 KMFR 271250 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 450 AM PST Wed Jan 27 2021 CAZ084-085-ORZ030-031-272300- /O.NEW.KMFR.WI.Y.0008.210127T1250Z-210128T0600Z/ Northeast Siskiyou and Northwest Modoc Counties-Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the city of Bly 450 AM PST Wed Jan 27 2021 ...WIND ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...South to southwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...In California, Northeast Siskiyou and Northwest Modoc Counties and Modoc County to include the Warner Mountains and portions of Highways 299 and 139. In Oregon, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County to include portions of Highway 140 and Highway 31 from Paisley through Summer Lake. * WHEN...Until 10 PM PST 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...Blowing snow will reduce visibility at times. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
2 follow-up statements
198 WWUS76 KMFR 272122 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 122 PM PST Wed Jan 27 2021 CAZ084-085-ORZ030-031-280600- /O.CON.KMFR.WI.Y.0008.000000T0000Z-210128T0600Z/ Northeast Siskiyou and Northwest Modoc Counties-Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the city of Bly 122 PM PST Wed Jan 27 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...South to southwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...In California, Northeast Siskiyou and Northwest Modoc Counties and Modoc County to include the Warner Mountains and portions of Highways 299 and 139. In Oregon, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County to include portions of Highway 140 and Highway 31 from Paisley through Summer Lake. * WHEN...Until 10 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Blowing snow will reduce visibility at times. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
253 WWUS76 KMFR 280535 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 935 PM PST Wed Jan 27 2021 CAZ084-085-ORZ030-031-280645- /O.EXP.KMFR.WI.Y.0008.000000T0000Z-210128T0600Z/ Northeast Siskiyou and Northwest Modoc Counties-Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the city of Bly 935 PM PST Wed Jan 27 2021 ...WIND ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING... Winds have lowered below advisory criteria across all but the highest elevations. Will allow the advisory to expire at the top of the hour. Moderate to strong wind gusts will return to the higher terrain Thursday afternoon, but should not effect more populated valley locations. $$ 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 |
|---|---|---|---|---|
| Jan 26, 4:42 PM PST | Blizzard Warning | MFR | Siskiyou | 11 hr |
| Jan 27, 4:09 AM PST | Winter Weather Advisory | MFR | Siskiyou | 5 hr |
| Jan 27, 1:14 PM PST | Winter Weather Advisory | MFR | Modoc, Siskiyou | 30 hr |
| Jan 27, 2:18 PM PST | Small Craft Advisory | MFR | 32 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.