Alert archive / Oregon / Wind Advisories in 2017
Wind Advisory 39, NWS Medford, OR
NWS Medford, OR issued this wind advisory at Nov 20, 2017, 12:47 PM PST for Klamath County, Lake County, Oregon; Modoc County, California. It took effect at Nov 21, 2017, 10:00 AM PST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 20, 2017, 12:47 PM PST (20:47 UTC)
- In effect from
- Nov 21, 2017, 10:00 AM PST
- Expired
- Nov 21, 2017, 10:00 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 20:48 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, 8.8 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
- 581 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 334 m²/s²
- 0-3 km storm-relative helicity
- 579 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
895 WWUS76 KMFR 202047 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 1247 PM PST Mon Nov 20 2017 CAZ085-ORZ030-031-210600- /O.NEW.KMFR.WI.Y.0039.171121T1800Z-171122T0600Z/ /O.EXT.KMFR.WI.Y.0038.000000T0000Z-171121T0600Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- Including the city of Valley Falls 1247 PM PST Mon Nov 20 2017 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WIND ADVISORY IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY... The National Weather Service in Medford has issued a Wind Advisory...which is in effect from 10 AM to 10 PM PST Tuesday. * Winds...Southwest 25 to 35 mph with gusts to 55 mph. Locally higher gusts to 60 mph are possible in the higher elevations. * Timing...Through this evening. Winds will decrease below advisory level tonight into early Tuesday morning, then increase again late Tuesday morning. The strongest winds are expected Tuesday afternoon. * Locations include...Summer Lake, Paisley and along Hwy 31 between those locations. Cedar Pass on Hwy 299, The Warner Mountains and higher elevations of Lake County. * Impacts...Travel will be difficult for high profile vehicles. Unsecured items may be blown around. * 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. && $$ CAZ081-210600- /O.EXT.KMFR.WI.Y.0038.000000T0000Z-171122T0600Z/ Central Siskiyou County- Including the city of Weed 1247 PM PST Mon Nov 20 2017 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM PST TUESDAY... * Winds...South 25 to 35 mph with gusts to 50 mph. * Timing...Through Tuesday evening. Winds will decrease briefly later this evening, then increase again late tonight. The strongest winds are expected Tuesday morning into Tuesday afternoon. * Locations include...Weed, Gazelle and Interstate 5 between Weed and Grenada. * Impacts...Travel will be difficult for high profile vehicles. Unsecured items may be blown around. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Wind Advisory means that winds of 35 mph are expected with higher gusts possible. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ Petrucelli
4 follow-up statements
389 WWUS76 KMFR 210552 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 952 PM PST Mon Nov 20 2017 ...Windy again on Tuesday... .Breezy to windy conditions will continue over the southern portion of the Shasta Valley tonight then become stronger again on Tuesday. Winds have diminished over eastern Klamath and Lake counties this evening but will increase again on Tuesday. CAZ085-ORZ030-031-211800- /O.CAN.KMFR.WI.Y.0038.000000T0000Z-171121T0600Z/ /O.CON.KMFR.WI.Y.0039.171121T1800Z-171122T0600Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 952 PM PST Mon Nov 20 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY... * Winds...Southwest 25 to 35 mph with gusts to 55 mph. Locally higher gusts to 60 mph are possible in the higher elevations. * Timing...Winds have diminished below advisory criteria this evening, but will increase again late Tuesday morning and continue into Tuesday evening. * Locations include...Summer Lake, Paisley and along Hwy 31 between those locations. Cedar Pass on Hwy 299, The Warner Mountains and higher elevations of Lake County. * Impacts...Travel will be difficult for high profile vehicles. Unsecured items may be blown around. * 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. && $$ CAZ081-211800- /O.CON.KMFR.WI.Y.0038.000000T0000Z-171122T0600Z/ Central Siskiyou County- Including the city of Weed 952 PM PST Mon Nov 20 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY... * Winds...South 25 to 35 mph with gusts to 50 mph. * Timing...Winds will ease a little tonight then increase again Tuesday. * Locations include...Weed, Gazelle and Interstate 5 between Weed and Grenada. * Impacts...Travel will be difficult for high profile vehicles. Unsecured items may be blown around. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Wind Advisory means that winds of 35 mph are expected with higher gusts possible. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$
338 WWUS76 KMFR 211753 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 953 AM PST Tue Nov 21 2017 CAZ081-220600- /O.CON.KMFR.WI.Y.0038.000000T0000Z-171122T0600Z/ Central Siskiyou County- Including the city of Weed 953 AM PST Tue Nov 21 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * Winds...South 25 to 35 mph with gusts to 50 mph. * Timing...Winds will increase later this morning and diminish this evening. * Locations include...Weed, Gazelle and Interstate 5 between Weed and Grenada. * Impacts...Travel will be difficult for high profile vehicles. Unsecured items may be blown around. * 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. && $$ CAZ085-ORZ030-031-220600- /O.CON.KMFR.WI.Y.0039.171121T1800Z-171122T0600Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 953 AM PST Tue Nov 21 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * Winds...Southwest 25 to 35 mph with gusts to 55 mph. Locally higher gusts to 60 mph are possible in the higher elevations. * Timing...Winds will increase again late this morning and continue into this evening. * Locations include...Summer Lake, Paisley and along Hwy 31 between those locations. Cedar Pass on Hwy 299, The Warner Mountains and higher elevations of Lake County. * Impacts...Travel will be difficult for high profile vehicles. Unsecured items may be blown around. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Wind Advisory means that winds of 35 mph are expected with higher gusts possible. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$
065 WWUS76 KMFR 212237 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 237 PM PST Tue Nov 21 2017 CAZ081-212345- /O.CAN.KMFR.WI.Y.0038.000000T0000Z-171122T0600Z/ Central Siskiyou County- 237 PM PST Tue Nov 21 2017 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Medford has cancelled the Wind Advisory. Winds have diminished in the Shasta Valley. $$ CAZ085-ORZ030-031-220600- /O.CON.KMFR.WI.Y.0039.000000T0000Z-171122T0600Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 237 PM PST Tue Nov 21 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * Winds...Southwest 25 to 35 mph with gusts to 55 mph. * Timing...Winds will decrease tonight but remain gusty. * Locations include...Summer Lake, Paisley and along Hwy 31 between those locations. Cedar Pass on Hwy 299, The Warner Mountains and higher elevations of Lake County. * Impacts...Travel will be difficult for high profile vehicles. Unsecured items may be blown around. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Wind Advisory means that winds of 35 mph are expected with higher gusts possible. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$
444 WWUS76 KMFR 220538 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 938 PM PST Tue Nov 21 2017 CAZ085-ORZ030-031-220645- /O.EXP.KMFR.WI.Y.0039.000000T0000Z-171122T0600Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 938 PM PST Tue Nov 21 2017 ...WIND ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING... Winds have diminished to below advisory level. $$
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 3:11 AM PST | Gale Watch | MFR | 12 hr | |
| Nov 20, 3:11 AM PST | Hazardous Seas Warning | MFR | 7 hr | |
| Nov 20, 3:11 AM PST | Small Craft Advisory for Hazardous Seas | MFR | 18 hr | |
| Nov 20, 6:46 AM PST | Small Craft Advisory | MFR | 3 hr | |
| Nov 20, 2:51 PM PST | Gale Warning | MFR | 31 hr | |
| Nov 20, 2:51 PM PST | Small Craft Advisory | MFR | 31 hr |
Nearby
Wind Advisories in Oregon, 2017Wind Advisories in California, 2017Every wind advisory in 2017
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.