Alert archive / Oregon / Wind Advisories in 2021
Wind Advisory 4, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Jan 7, 2021, 2:38 AM PST for Klamath County, Lake County, Oregon; Modoc County, California. It took effect at Jan 8, 2021, 4:00 AM PST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jan 7, 2021, 2:38 AM PST (10:38 UTC)
- In effect from
- Jan 8, 2021, 4:00 AM PST
- Expired
- Jan 8, 2021, 9:43 AM PST
- In force
- 6 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 10:40 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 00:00Z, 10.6 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
- 850 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
921 WWUS76 KMFR 071038 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 238 AM PST Thu Jan 7 2021 CAZ085-ORZ030-031-072345- /O.NEW.KMFR.WI.Y.0004.210108T1200Z-210109T0000Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 238 AM PST Thu Jan 7 2021 ...WIND ADVISORY IN EFFECT FROM 4 AM TO 4 PM PST FRIDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Eastern Modoc County along the Warner Mountains, Eastern Klamath County and Lake County including route 31 north of Paisley. * WHEN...From 4 AM to 4 PM PST Friday. * 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, especially at higher elevations, could create additional hazards due to reduced visibility. * 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. && $$ Visit us at https://www.weather.gov/Medford
6 follow-up statements
190 WWUS76 KMFR 071258 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 458 AM PST Thu Jan 7 2021 ORZ024-026-071800- /O.NEW.KMFR.FG.Y.0002.210107T1258Z-210107T1800Z/ Eastern Curry County and Josephine County-Jackson County- Including the city of Medford 458 AM PST Thu Jan 7 2021 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Visibility of one quarter mile or less in dense fog. * WHERE...From Phoenix north through Medford to Gold Hill and a Sexton Summit. * WHEN...Until 10 AM PST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. * ADDITIONAL DETAILS...The advisory may need to be expanded to include Grants pass if existing fog continues to thicken. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow for plenty of room between you and other vehicles. * Fog makes objects appear farther away than they are * Use low beams. High beams reflect back thick fog, making visibility worse for you and other drivers. * Be prepared. Keep your headlights clean. That way, you're ready for low-visibility conditions * Don't use cruise control. Most crashes occur because the driver is going too fast for weather conditions. && $$ ORZ023-071800- /O.NEW.KMFR.FG.Y.0002.210107T1258Z-210107T1800Z/ Central Douglas County- Including the cities of Roseburg, Sutherlin, and Green 458 AM PST Thu Jan 7 2021 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Visibility of one quarter mile or less in dense fog. * WHERE...Central Douglas County. * WHEN...Until 10 AM PST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. * ADDITIONAL DETAILS...May need to expand the advisory further south to include portions of I-5 at Canyon Mountain. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow for plenty of room between you and other vehicles. * Fog makes objects appear farther away than they are * Use low beams. High beams reflect back thick fog, making visibility worse for you and other drivers. * Be prepared. Keep your headlights clean. That way, you're ready for low-visibility conditions * Don't use cruise control. Most crashes occur because the driver is going too fast for weather conditions. && $$ CAZ085-ORZ030-031-080000- /O.CON.KMFR.WI.Y.0004.210108T1200Z-210109T0000Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 458 AM PST Thu Jan 7 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST FRIDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Eastern Modoc County along the Warner Mountains, Eastern Klamath County and Lake County including route 31 north of Paisley. * WHEN...From 4 AM to 4 PM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Blowing snow, especially at higher elevations, could create additional hazards due to reduced visibility. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
983 WWUS76 KMFR 071803 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 1003 AM PST Thu Jan 7 2021 ORZ023-024-026-071915- /O.EXP.KMFR.FG.Y.0002.000000T0000Z-210107T1800Z/ Central Douglas County-Eastern Curry County and Josephine County- Jackson County- Including the cities of Roseburg, Sutherlin, Green, and Medford 1003 AM PST Thu Jan 7 2021 ...DENSE FOG ADVISORY HAS EXPIRED... Fog has lifted in most areas. Some residual areas of fog may persist for another few hours, but overall, visibilities have increased and should continue to improve. $$ CAZ085-ORZ030-031-080215- /O.CON.KMFR.WI.Y.0004.210108T1200Z-210109T0000Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 1003 AM PST Thu Jan 7 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST FRIDAY... * WHAT...Southwest winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Eastern Modoc County along the Warner Mountains, Eastern Klamath County and Lake County including route 31 north of Paisley. * WHEN...From 4 AM to 4 PM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Blowing snow, especially at higher elevations, could create additional hazards due to reduced visibility. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
959 WWUS76 KMFR 071951 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 1151 AM PST Thu Jan 7 2021 CAZ085-ORZ030-031-081200- /O.CON.KMFR.WI.Y.0004.210108T1200Z-210109T0000Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 1151 AM PST Thu Jan 7 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of Modoc, Klamath, and Lake Counties, including Highway 31 between Paisely and Summer Lake, Highway 395 near Abert Lake, and the higher terrain of Winter Rim and the Warner and Hart Mountains. * WHEN...From 4 AM to 4 PM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Driving could become difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Blowing snow, especially at higher elevations, could create additional hazards due to reduced visibility. * 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. && $$ Visit us at https://www.weather.gov/Medford
261 WWUS76 KMFR 080422 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 822 PM PST Thu Jan 7 2021 ORZ026-080700- /O.NEW.KMFR.FG.Y.0003.210108T0422Z-210108T0700Z/ Jackson County- Including the city of Medford 822 PM PST Thu Jan 7 2021 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 PM PST THIS EVENING... * WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Rogue Valley elevations generally below 1500 feet including Medford and Central Point. * WHEN...Until 11 PM PST this evening. * IMPACTS...Hazardous driving conditions due to low visibility. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow for plenty of room between you and other vehicles. * Fog makes objects appear farther away than they are * Use low beams. High beams reflect back thick fog, making visibility worse for you and other drivers. * Be prepared. Keep your headlights clean. That way, you're ready for low-visibility conditions * Don't use cruise control. Most crashes occur because the driver is going too fast for weather conditions. && $$ CAZ085-ORZ030-031-082230- /O.CON.KMFR.WI.Y.0004.210108T1200Z-210109T0000Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 822 PM PST Thu Jan 7 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of Modoc, Klamath, and Lake Counties, including Highway 31 between Paisely and Summer Lake, Highway 395 near Abert Lake, and the higher terrain of Winter Rim and the Warner and Hart Mountains. * WHEN...From 4 AM to 4 PM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Driving could become difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Blowing snow, especially at higher elevations, could create additional hazards due to reduced visibility. * 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. && $$ Visit us at https://www.weather.gov/Medford
707 WWUS76 KMFR 080619 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 1019 PM PST Thu Jan 7 2021 ORZ026-080730- /O.CAN.KMFR.FG.Y.0003.000000T0000Z-210108T0700Z/ Jackson County- 1019 PM PST Thu Jan 7 2021 ...DENSE FOG ADVISORY IS CANCELLED... Visibility is improving. $$ CAZ085-ORZ030-031-090000- /O.CON.KMFR.WI.Y.0004.210108T1200Z-210109T0000Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 1019 PM PST Thu Jan 7 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Portions of Modoc, Klamath, and Lake Counties, including Highway 31 between Paisely and Summer Lake, Highway 395 near Abert Lake, and the higher terrain of Winter Rim and the Warner and Hart Mountains. * WHEN...From 4 AM to 4 PM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Driving could become difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Blowing snow, especially at higher elevations, could create additional hazards due to reduced visibility. * 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. && $$ Visit us at https://www.weather.gov/Medford
825 WWUS76 KMFR 081743 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 943 AM PST Fri Jan 8 2021 CAZ085-ORZ030-031-081845- /O.CAN.KMFR.WI.Y.0004.000000T0000Z-210109T0000Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 943 AM PST Fri Jan 8 2021 ...WIND ADVISORY IS CANCELLED... South breezes will become westerly through this afternoon, but wind gusts are no longer expected to reach 45 mph. Therefore, the wind advisory is cancelled. $$ 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 7, 1:53 AM PST | Gale Warning | MFR | 26 hr | |
| Jan 7, 1:53 AM PST | Hazardous Seas Warning | MFR | 37 hr | |
| Jan 7, 2:38 AM PST | Winter Weather Advisory | MFR | Douglas, Jackson, Josephine, Klamath | 31 hr |
| Jan 7, 4:58 AM PST | Dense Fog Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine | 5 hr |
| Jan 7, 2:00 PM PST | Small Craft Advisory | MFR | 59 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.