Alert archive / Oregon / Freeze Warnings in 2017
Freeze Warning 21, NWS Medford, OR
NWS Medford, OR issued this freeze warning at Nov 6, 2017, 1:24 PM PST for Coos County, Douglas County, Oregon. It took effect at Nov 7, 2017, 2:00 AM PST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 6, 2017, 1:24 PM PST (21:24 UTC)
- In effect from
- Nov 7, 2017, 2:00 AM PST
- Expired
- Nov 7, 2017, 8:00 AM PST
- In force
- 6 hr
- Issued by
- NWS Medford, OR
Counties Coos County, OR, Douglas County, OR
The radar
The Medford radar (KMAX), 149 km from the middle of the area, began a volume at 21:29 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, 9.4 hours before the alert went out and 118 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
- 4 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 602 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
965 WWUS76 KMFR 062124 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 124 PM PST Mon Nov 6 2017 ORZ023-071600- /O.NEW.KMFR.FZ.W.0021.171107T1000Z-171107T1600Z/ /O.NEW.KMFR.FR.Y.0023.171107T1000Z-171107T1600Z/ Central Douglas County- Including the cities of Drain, Elkton, Roseburg, Sutherlin, Green, Myrtle Creek, Canyonville, and Glendale 124 PM PST Mon Nov 6 2017 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM PST TUESDAY... ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST TUESDAY... The National Weather Service in Medford has issued a Freeze Warning...which is in effect from 2 AM to 8 AM PST Tuesday. A Frost Advisory has also been issued. This Frost Advisory is in effect from 2 AM to 8 AM PST Tuesday. * Temperature...28 to 32 degrees in the warning area. 33 to 36 in the advisory area. * Locations in the warning area include...Tiller, Azalea, Glendale and Yoncalla. *Locations in the advisory area include: Roseburg, Sutherlin, Elkton, Camas Valley, Tri City, Riddle, Canyonville and Myrtle Creek. * Impacts...Plants sensitive to freezing temperatures could be damaged or killed. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$ ORZ021-071600- /O.NEW.KMFR.FR.Y.0023.171107T1000Z-171107T1600Z/ South Central Oregon Coast- Including the city of Coquille 124 PM PST Mon Nov 6 2017 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST TUESDAY... The National Weather Service in Medford has issued a Frost Advisory...which is in effect from 2 AM to 8 AM PST Tuesday. * Temperature...33 to 36 degrees. A few isolated spots could see temperatures drop to 28 degrees. * Locations include...Powers, Coquille and Myrtle Point. * Impacts...Plants sensitive to freezing temperatures could be damaged or killed. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$ CAZ081-071600- /O.NEW.KMFR.HW.A.0016.171108T1200Z-171109T1200Z/ Central Siskiyou County- Including the city of Weed 124 PM PST Mon Nov 6 2017 ...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE WEDNESDAY NIGHT... The National Weather Service in Medford has issued a High Wind Watch...which is in effect from late Tuesday night through late Wednesday night. * Winds...South 35 to 45 mph with gusts to 60 mph possible. * Timing...Winds will increase Tuesday afternoon, peak Tuesday night through Wednesday evening, then gradually subside later Wednesday night. * Locations include...Interstate 5 south of Grenada including the city of Gazelle and Weed. * Impacts...Driving conditions will be dangerous, especially for high-profile vehicles. Stronger winds could down trees and power lines and cause flying debris. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph, or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$
2 follow-up statements
729 WWUS76 KMFR 071133 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 333 AM PST Tue Nov 7 2017 ORZ023-071600- /O.CON.KMFR.FZ.W.0021.000000T0000Z-171107T1600Z/ /O.CON.KMFR.FR.Y.0023.000000T0000Z-171107T1600Z/ Central Douglas County- Including the cities of Drain, Elkton, Roseburg, Sutherlin, Green, Myrtle Creek, Canyonville, and Glendale 333 AM PST Tue Nov 7 2017 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING... ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING... * Temperature...28 to 32 degrees in the warning area. 33 to 36 in the advisory area. * Locations in the warning area include...Tiller, Azalea, Glendale and Yoncalla. *Locations in the advisory area include: Roseburg, Sutherlin, Elkton, Camas Valley, Tri City, Riddle, Canyonville and Myrtle Creek. * Impacts...Plants sensitive to freezing temperatures could be damaged or killed. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$ ORZ021-071600- /O.CON.KMFR.FR.Y.0023.000000T0000Z-171107T1600Z/ South Central Oregon Coast- Including the city of Coquille 333 AM PST Tue Nov 7 2017 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING... * Temperature...33 to 36 degrees. A few isolated spots could see temperatures drop to 28 degrees. * Locations include...Powers, Coquille and Myrtle Point. * Impacts...Plants sensitive to freezing temperatures could be damaged or killed. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$ CAZ085-ORZ030-031-072345- /O.EXB.KMFR.HW.A.0016.171109T0600Z-171109T1800Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 333 AM PST Tue Nov 7 2017 ...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... The National Weather Service in Medford has issued a High Wind Watch...which is in effect from Wednesday evening through Thursday morning. * Winds...South 35 to 45 mph with gusts to 60 mph possible. * Timing...Winds will increase on Wednesday and may become strong and gusty late Wednesday evening through Thursday morning. Winds will gradually decrease Thursday afternoon. * Locations include...The Warner Mountains and higher terrain near Summer Rim. This includes Highway 31 between Paisley and Silver Lake, including Summer Lake, and Highway 299 near Cedar Pass. * Impacts...Driving conditions will be dangerous, especially for high-profile vehicles. Stronger winds could down trees and power lines and cause flying debris. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph, or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ CAZ081-072345- /O.EXT.KMFR.HW.A.0016.171108T0900Z-171109T1200Z/ Central Siskiyou County- Including the city of Weed 333 AM PST Tue Nov 7 2017 ...HIGH WIND WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT... * Winds...South 35 to 45 mph with gusts to 60 mph possible. * Timing...Winds will increase and may become strong and gusty tonight into Wednesday. Winds are expected to peak late Wednesday morning through Wednesday evening. Winds will gradually subside Wednesday night. * Locations include...Interstate 5 south of Grenada including the city of Gazelle and Weed. * Impacts...Driving conditions may be dangerous, especially for high-profile vehicles. Stronger winds could down trees and power lines and cause flying debris. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph, or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$
108 WWUS76 KMFR 071602 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 802 AM PST Tue Nov 7 2017 ORZ023-071715- /O.EXP.KMFR.FZ.W.0021.000000T0000Z-171107T1600Z/ /O.EXP.KMFR.FR.Y.0023.000000T0000Z-171107T1600Z/ Central Douglas County- Including the cities of Drain, Elkton, Roseburg, Sutherlin, Green, Myrtle Creek, Canyonville, and Glendale 802 AM PST Tue Nov 7 2017 ...FREEZE WARNING HAS EXPIRED... ...FROST ADVISORY HAS EXPIRED... Temperatures have risen to above freezing. $$ ORZ021-071715- /O.EXP.KMFR.FR.Y.0023.000000T0000Z-171107T1600Z/ South Central Oregon Coast- Including the city of Coquille 802 AM PST Tue Nov 7 2017 ...FROST ADVISORY HAS EXPIRED... Temperatures have risen to above frosty values. $$ CAZ081-080415- /O.CON.KMFR.HW.A.0016.171108T0900Z-171109T1200Z/ Central Siskiyou County- Including the city of Weed 802 AM PST Tue Nov 7 2017 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE WEDNESDAY NIGHT... * Winds...South 35 to 45 mph with gusts to 60 mph possible. * Timing...Winds will increase and may become strong and gusty tonight into Wednesday. Winds are expected to peak late Wednesday morning through Wednesday evening. Winds will gradually subside Wednesday night. * Locations include...Interstate 5 south of Grenada including the city of Gazelle and Weed. * Impacts...Driving conditions may be dangerous, especially for high-profile vehicles. Stronger winds could down trees and power lines and cause flying debris. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph, or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ CAZ085-ORZ030-031-080415- /O.CON.KMFR.HW.A.0016.171109T0600Z-171109T1800Z/ Modoc County- Northern and Eastern Klamath County and Western Lake County- Central and Eastern Lake County- 802 AM PST Tue Nov 7 2017 ...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... The National Weather Service in Medford has issued a High Wind Watch...which is in effect from Wednesday evening through Thursday morning. * Winds...South 35 to 45 mph with gusts to 60 mph possible. * Timing...Winds will increase on Wednesday and may become strong and gusty late Wednesday evening through Thursday morning. Winds will gradually decrease Thursday afternoon. * Locations include...The Warner Mountains and higher terrain near Summer Rim. This includes Highway 31 between Paisley and Silver Lake, including Summer Lake, and Highway 299 near Cedar Pass. * Impacts...Driving conditions will be dangerous, especially for high-profile vehicles. Stronger winds could down trees and power lines and cause flying debris. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD Precautionary/preparedness actions... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph, or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 6, 2:10 AM PST | Gale Watch | MFR | 24 hr | |
| Nov 6, 1:24 PM PST | Frost Advisory | MFR | Coos, Curry, Douglas | 19 hr |
| Nov 6, 1:24 PM PST | High Wind Watch | MFR | Klamath, Lake | 26 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.