Alert archive / California / Wind Advisories in 2018
Wind Advisory 7, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Jan 24, 2018, 6:13 PM PST for Siskiyou County, California. It took effect at Jan 25, 2018, 4:00 AM PST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jan 24, 2018, 6:13 PM PST (02:13 UTC)
- In effect from
- Jan 25, 2018, 4:00 AM PST
- Expired
- Jan 25, 2018, 10:00 AM PST
- In force
- 6 hr
- Issued by
- NWS Medford, OR
County Siskiyou County, CA
The radar
The Medford radar (KMAX), 56 km from the middle of the area, began a volume at 02:14 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, 2.2 hours before the alert went out and 89 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
- 1 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 847 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
421 WWUS76 KMFR 250213 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 613 PM PST Wed Jan 24 2018 ...Strong winds through this evening then again on Thursday... .Strong, gusty winds will continue through this evening over portions of the east side as a cold front moves through. Winds weaken overnight, but then increase again Thursday morning as a strong upper level disturbances moves through. Winds have already diminished in the Shasta Valley, but they will increase again Thursday morning. CAZ085-ORZ030-031-251200- /O.CAN.KMFR.HW.W.0005.000000T0000Z-180125T0600Z/ /O.EXT.KMFR.WI.Y.0006.000000T0000Z-180125T2100Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the cities of Alturas, Likely, Adel, Lakeview, and Valley Falls 613 PM PST Wed Jan 24 2018 ...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM PST THURSDAY... ...HIGH WIND WARNING IS CANCELLED... * Winds: South 25 to 35 mph with gusts to 45 mph possible. * Timing: Gusty winds will continue through this evening then diminish overnight. A second surge in wind is expected mid to late morning Thursday. * Locations include: Much of Lake County and eastern Modoc County. This includes U.S. highway 395 from Alturas, CA north through Alkali Lake, OR, Oregon highway 31 south and east of Silver Lake to highway 395, and higher terrain adjacent to these areas. * Impacts: Driving will be difficult at times, especially for high profile vehicles. Loose items may be blown about. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Wind Advisory means that winds of 35 mph are expected with higher gusts possible. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ CAZ081-251200- /O.NEW.KMFR.WI.Y.0007.180125T1200Z-180125T1800Z/ Central Siskiyou County- Including the city of Weed 613 PM PST Wed Jan 24 2018 ...WIND ADVISORY IN EFFECT FROM 4 AM TO 10 AM PST THURSDAY... The National Weather Service in Medford has issued a Wind Advisory...which is in effect from 4 AM to 10 AM PST Thursday. * Winds...South 25 to 35 mph with gusts to 50 mph possible. * Timing...Breezy winds will continue through tonight, then winds increase again Thursday morning. * Locations include...The southern end of the Shasta Valley including Interstate 5 from Weed north to near Grenada. * Impacts...Driving will be difficult at times, especially for high profile vehicles. Loose items may be blown about. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Wind Advisory means that winds of 35 mph are expected with higher gusts possible. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$
2 follow-up statements
878 WWUS76 KMFR 251144 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 344 AM PST Thu Jan 25 2018 CAZ085-ORZ030-031-252100- /O.CON.KMFR.WI.Y.0006.000000T0000Z-180125T2100Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the cities of Alturas, Likely, Adel, Lakeview, and Valley Falls 344 AM PST Thu Jan 25 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * Winds: South 25 to 35 mph with gusts to 45 mph possible. * Timing: Mid to late morning Thursday. * Locations include: Much of Lake County and eastern Modoc County. This includes U.S. highway 395 from Alturas, CA north through Alkali Lake, OR, Oregon highway 31 south and east of Silver Lake to highway 395, and higher terrain adjacent to these areas. * Impacts: Driving will be difficult at times, especially for high profile vehicles. Loose items may be blown about. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Wind Advisory means that winds of 35 mph are expected with higher gusts possible. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ CAZ081-251800- /O.CON.KMFR.WI.Y.0007.180125T1200Z-180125T1800Z/ Central Siskiyou County- Including the city of Weed 344 AM PST Thu Jan 25 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * Winds...South 25 to 35 mph with gusts to 50 mph possible. * Timing...Through Thursday morning. * Locations include...The southern end of the Shasta Valley including Interstate 5 from Weed north to near Grenada. * Impacts...Driving will be difficult at times, especially for high profile vehicles. Loose items may be blown about. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Wind Advisory means that winds of 35 mph are expected with higher gusts possible. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$
530 WWUS76 KMFR 251813 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 1013 AM PST Thu Jan 25 2018 CAZ081-251915- /O.EXP.KMFR.WI.Y.0007.000000T0000Z-180125T1800Z/ Central Siskiyou County- Including the city of Weed 1013 AM PST Thu Jan 25 2018 ...WIND ADVISORY HAS EXPIRED... Winds have decreased below advisory level. $$ CAZ085-ORZ030-031-252100- /O.CON.KMFR.WI.Y.0006.000000T0000Z-180125T2100Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the cities of Alturas, Likely, Adel, Lakeview, and Valley Falls 1013 AM PST Thu Jan 25 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... * Winds: South 25 to 35 mph with gusts to 45 mph possible. * Timing: Peaking late this morning. * Locations include: Much of Lake County and eastern Modoc County. This includes U.S. highway 395 from Alturas, CA north through Alkali Lake, OR, Oregon highway 31 south and east of Silver Lake to highway 395, and higher terrain adjacent to these areas. * Impacts: Driving will be difficult at times, especially for high profile vehicles. Loose items may be blown about. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Wind Advisory means that winds of 35 mph are expected with higher gusts possible. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$
Nearby
Wind Advisories in California, 2018Every wind advisory in 2018
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.