Alert archive / Oregon / High Wind Warnings in 2021

High Wind Warning 6, NWS Medford, OR

February 25, 2021Modoc County, California; Klamath County, Lake County, Oregon

NWS Medford, OR issued this high wind warning at Feb 25, 2021, 2:17 PM PST for Modoc County, California; Klamath County, Lake County, Oregon. It took effect at Feb 26, 2021, 7:00 AM PST. It was in force for 12 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 25, 2021, 2:17 PM PST (22:17 UTC)
In effect from
Feb 26, 2021, 7:00 AM PST
Expired
Feb 26, 2021, 7:00 PM PST
In force
12 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 22:21 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.

What was reported inside it

TimeReportWhereRemark
Feb 26, 10:00 AM PSTNON-TSTM WND GST 514 N Cedarville, CAMESONET STATION CEDC 3.8 N CEDARVILLE (AGRIMET).
Feb 26, 12:39 PM PSTNON-TSTM WND GST 523 Ese Lake City, CAMESONET STATION SSYC1 SURPRISE VALLEY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 10.3 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.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 12:00Z on 2021-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 12:00Z on 2021-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1939 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

438 
WWUS76 KMFR 252217
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
217 PM PST Thu Feb 25 2021

CAZ085-ORZ030-031-261030-
/O.UPG.KMFR.HW.A.0004.210226T1800Z-210227T1200Z/
/O.NEW.KMFR.HW.W.0006.210226T1500Z-210227T0300Z/
/O.CON.KMFR.WI.Y.0013.000000T0000Z-210227T1200Z/
Modoc County-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Adin, Alturas, Canby, Likely, Beatty, 
Bly, Chemult, Crescent, Gilchrist, Adel, Lakeview, 
and Valley Falls
217 PM PST Thu Feb 25 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY...
...HIGH WIND WARNING IN EFFECT FROM 7 AM TO 7 PM PST FRIDAY...

* WHAT...For the High Wind Warning, west winds 25 to 35 mph with
  gusts up to 65 mph expected. For the Wind Advisory, west winds
  20 to 35 mph with gusts up to 50 mph.

* WHERE...For the Wind Advisory, the Warner Mountains including
  Cedar Pass on Highway 299, Highway 31 from Paisley to Summer
  Lake, and high terrain areas, expanding Friday morning to
  include most of Highway 31 and portions of Highway 140 from Bly
  Mountain eastward. For the High Wind Warning, Highway 31 near 
  Summer Lake and areas from the Christmas Valley eastward to 
  include Route 395 at Alkali Lake.

* WHEN...For the High Wind Warning, from 7 AM to 7 PM PST 
  Friday. For the Wind Advisory, until 4 AM PST Saturday.

* IMPACTS...Damaging winds may blow down trees and power lines.
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Light snow mixed or dust mixed with strong
  winds may produce periods of lower visibility. Use caution and
  allow extra time to reach your destination in case of poor
  driving conditions.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Use caution if you must drive.

&&

$$

Visit us at https://www.weather.gov/Medford
3 follow-up statements
266 
WWUS76 KMFR 261032
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
232 AM PST Fri Feb 26 2021

CAZ085-ORZ030-031-262300-
/O.CON.KMFR.HW.W.0006.210226T1500Z-210227T0300Z/
/O.CON.KMFR.WI.Y.0013.000000T0000Z-210227T1200Z/
Modoc County-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Adin, Alturas, Canby, Likely, Beatty, 
Bly, Chemult, Crescent, Gilchrist, Adel, Lakeview, 
and Valley Falls
232 AM PST Fri Feb 26 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO
7 PM PST THIS EVENING...

* WHAT...For the High Wind Warning, west winds 25 to 35 mph with 
  gusts up to 65 mph expected. For the Wind Advisory, west winds 
  20 to 35 mph with gusts up to 50 mph.

* WHERE...For the Wind Advisory, the Warner Mountains including 
  Cedar Pass on Highway 299, Highway 31 from Paisley to Summer 
  Lake, and high terrain areas, expanding Friday morning to 
  include most of Highway 31 and portions of Highway 140 from 
  Bly Mountain eastward. For the High Wind Warning, Highway 31 
  near Summer Lake and areas from the Christmas Valley eastward 
  to include Route 395 at Alkali Lake.

* WHEN...For the High Wind Warning, from 7 AM to 7 PM PST 
  Friday. For the Wind Advisory, until 4 AM PST Saturday.

* IMPACTS...Damaging winds may blow down trees and power lines. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Light snow mixed or dust mixed with 
  strong winds may produce periods of lower visibility. Use 
  caution and allow extra time to reach your destination in case 
  of poor driving conditions.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Use caution if you must drive.

&&

$$

Visit us at https://www.weather.gov/Medford
055 
WWUS76 KMFR 261612
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
812 AM PST Fri Feb 26 2021

CAZ085-ORZ030-031-270300-
/O.CON.KMFR.HW.W.0006.000000T0000Z-210227T0300Z/
/O.CON.KMFR.WI.Y.0013.000000T0000Z-210227T1200Z/
Modoc County-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Adin, Alturas, Canby, Likely, Beatty, 
Bly, Chemult, Crescent, Gilchrist, Adel, Lakeview, 
and Valley Falls
812 AM PST Fri Feb 26 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS
EVENING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY...

* WHAT...For the High Wind Warning, west winds 30 to 40 mph with
  gusts up to 60 mph. For the Wind Advisory, west winds 20 to 35
  mph with gusts up to 50 mph.

* WHERE...For the Wind Advisory, the Warner Mountains including 
  Cedar Pass on Highway 299, Highway 31 from Paisley to Summer 
  Lake, and high terrain areas, expanding Friday morning to 
  include most of Highway 31 and portions of Highway 140 from 
  Bly Mountain eastward. For the High Wind Warning, Highway 31 
  near Summer Lake and areas from the Christmas Valley eastward 
  to include Route 395 at Alkali Lake.

* WHEN...For the High Wind Warning, until 7 PM PST this evening. 
  For the Wind Advisory, until 4 AM PST Saturday.

* IMPACTS...Damaging winds may blow down trees and power lines. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Light snow or dust mixed with strong winds
  may produce periods of lower visibility. Use caution and allow 
  extra time to reach your destination in case of poor driving 
  conditions.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Use caution if you must drive.

&&

$$

CAZ084-ORZ029-270300-
/O.EXB.KMFR.WI.Y.0013.000000T0000Z-210227T0300Z/
Northeast Siskiyou and Northwest Modoc Counties-Klamath Basin-
Including the cities of Dorris, Newell, Macdoel, Tulelake, 
Altamont, and Klamath Falls
812 AM PST Fri Feb 26 2021

...WIND ADVISORY IN EFFECT UNTIL 7 PM PST THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts up to 45 mph.

* WHERE...In California, Northeast Siskiyou and Northwest Modoc
  Counties, including Macdoel and Tulelake. In Oregon, the Klamath
  Basin, including Klamath Falls, Chiloquin, Bonanza, and Keno.

* WHEN...Until 7 PM PST this evening.

* IMPACTS...Strong, gusty winds may blow loose objects around. 
  Travel will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...Light snow or dust mixed with strong winds
  may produce periods of lower visibility. Use caution and allow 
  extra time to reach your destination in case of poor driving 
  conditions.

* 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
678 
WWUS76 KMFR 270259
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
659 PM PST Fri Feb 26 2021

CAZ085-ORZ030-031-271200-
/O.EXP.KMFR.HW.W.0006.000000T0000Z-210227T0300Z/
/O.CON.KMFR.WI.Y.0013.000000T0000Z-210227T1200Z/
Modoc County-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Adin, Alturas, Canby, Likely, Beatty, 
Bly, Chemult, Crescent, Gilchrist, Adel, Lakeview, 
and Valley Falls
659 PM PST Fri Feb 26 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY...
...HIGH WIND WARNING WILL EXPIRE AT 7 PM PST THIS EVENING...

* WHAT...West winds 15 to 25 mph with gusts up to 40 mph.

* WHERE...From Canby east to the Warner Mountains including Cedar
  Pass on Highway 299 in Modoc County. For eastern Klamath County
  and all of Lake County, including highway 31 from Paisley to 
  Summer Lake, and high terrain areas 

* WHEN...Until 4 AM PST Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects and
  tree limbs could be blown down. Travel could be difficult for
  high profile vehicles.

* 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.

&&

$$

CAZ084-ORZ029-270400-
/O.EXP.KMFR.WI.Y.0013.000000T0000Z-210227T0300Z/
Northeast Siskiyou and Northwest Modoc Counties-Klamath Basin-
Including the cities of Dorris, Newell, Macdoel, Tulelake, 
Altamont, and Klamath Falls
659 PM PST Fri Feb 26 2021

...WIND ADVISORY WILL EXPIRE AT 7 PM PST THIS EVENING...

Gusty winds are on the decline and should cease entirely in the
next hour or two.

$$

Visit us at https://www.weather.gov/Medford

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 25, 2:14 AM PSTSmall Craft AdvisoryMFR3 days
Feb 25, 2:02 PM PSTWinter Weather AdvisoryMFRDouglas, Jackson, Josephine, Klamath38 hr
Feb 25, 2:09 PM PSTSmall Craft AdvisoryMFR62 hr

Nearby

High Wind Warnings in Oregon, 2021High Wind Warnings in California, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.