Alert archive / Oregon / Wind Advisories in 2021
Wind Advisory 20, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Oct 4, 2021, 2:15 PM PDT for Klamath County, Lake County, Oregon. It took effect at Oct 5, 2021, 5:00 AM PDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Oct 4, 2021, 2:15 PM PDT (21:15 UTC)
- In effect from
- Oct 5, 2021, 5:00 AM PDT
- Expired
- Oct 5, 2021, 7:00 PM PDT
- In force
- 14 hr
- Issued by
- NWS Medford, OR
Counties Klamath County, OR, Lake County, OR
The radar
The Medford radar (KMAX), 158 km from the middle of the area, began a volume at 21:13 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, 9.3 hours before the alert went out and 152 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
- 1494 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
506 WWUS76 KMFR 042115 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 215 PM PDT Mon Oct 4 2021 ORZ030-031-050515- /O.NEW.KMFR.WI.Y.0020.211005T1200Z-211006T0200Z/ Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 215 PM PDT Mon Oct 4 2021 ...WIND ADVISORY IN EFFECT FROM 5 AM TO 7 PM PDT TUESDAY... * WHAT...South winds 20 to 25 mph with gusts up to 45 mph expected. * WHERE...Higher terrain across Eastern Klamath County and Lake County, including the Winter Rim area and Summer Lake. This also includes eastern portions of the Bootleg burn scar. * WHEN...From 5 AM to 7 PM PDT Tuesday. * 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. && $$ Visit us at https://www.weather.gov/Medford
2 follow-up statements
312 WWUS76 KMFR 050507 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 1007 PM PDT Mon Oct 4 2021 ORZ030-031-052200- /O.CON.KMFR.WI.Y.0020.211005T1200Z-211006T0200Z/ Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 1007 PM PDT Mon Oct 4 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 7 PM PDT TUESDAY... * WHAT...South winds 20 to 25 mph with gusts up to 45 mph expected. * WHERE...Higher terrain across Eastern Klamath County and Lake County, including the Winter Rim area and Summer Lake. This also includes eastern portions of the Bootleg burn scar. * WHEN...From 5 AM to 7 PM PDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Be aware that fire weakened trees are generally more likely to fall due to gusty than healthy trees. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Visit us at https://www.weather.gov/Medford
045 WWUS76 KMFR 052137 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 237 PM PDT Tue Oct 5 2021 ORZ030-031-060200- /O.CON.KMFR.WI.Y.0020.000000T0000Z-211006T0200Z/ Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 237 PM PDT Tue Oct 5 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING... * WHAT...South winds 20 to 25 mph with gusts up to 45 mph expected. * WHERE...Higher terrain across Eastern Klamath County and Lake County, including the Winter Rim area and Summer Lake. This also includes eastern portions of the Bootleg burn scar. * WHEN...From 5 AM to 7 PM PDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Be aware that fire weakened trees are generally more likely to fall due to gusty than healthy trees. * 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
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 2:26 PM PDT | Small Craft Advisory | MFR | 30 hr |
Nearby
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.