Alert archive / Oregon / Frost Advisories in 2019
Frost Advisory 21, NWS Medford, OR
NWS Medford, OR issued this frost advisory at Oct 9, 2019, 5:17 PM PDT for 5 counties in Oregon. It took effect at Oct 10, 2019, 2:00 AM PDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Oct 9, 2019, 5:17 PM PDT (00:17 UTC)
- In effect from
- Oct 10, 2019, 2:00 AM PDT
- Expired
- Oct 10, 2019, 9:00 AM PDT
- In force
- 7 hr
- Issued by
- NWS Medford, OR
Counties Coos County, OR, Curry County, OR, Douglas County, OR, Jackson County, OR, Josephine County, OR
The radar
The Medford radar (KMAX), 101 km from the middle of the area, began a volume at 00:23 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, 0.3 hours before the alert went out and 75 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
- 2646 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- -108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
116 WWUS76 KMFR 100017 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 517 PM PDT Wed Oct 9 2019 ORZ023-101600- /O.NEW.KMFR.FR.Y.0021.191010T0900Z-191010T1600Z/ /O.CON.KMFR.FZ.W.0017.191010T0900Z-191010T1600Z/ Central Douglas County- Including the cities of Drain, Elkton, Roseburg, Sutherlin, Green, Myrtle Creek, Canyonville, and Glendale 517 PM PDT Wed Oct 9 2019 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... The National Weather Service in Medford has issued a Frost Advisory...which is in effect from 2 AM to 9 AM PDT Thursday. * WHAT....For the Freeze Warning, low temperatures of 30 to 32 are expected. For the Frost Advisory, low temperatures of 33 to 36 are expected. * WHERE...Freeze Warning for Curtain and Yoncalla. Frost Advisory for much of Central and Western Douglas County to include Roseburg, Camas Valley, Azalea, Glide and Sutherlin. * WHEN...From 2 AM to 9 AM PDT Thursday. * Impacts...Frost and freezing conditions could kill crops and other sensitive vegetation. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ ORZ024-101600- /O.NEW.KMFR.FR.Y.0021.191010T0900Z-191010T1600Z/ /O.CON.KMFR.FZ.W.0017.191010T0900Z-191010T1600Z/ Eastern Curry County and Josephine County- Including the cities of Grants Pass and Cave Junction 517 PM PDT Wed Oct 9 2019 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... The National Weather Service in Medford has issued a Frost Advisory...which is in effect from 2 AM to 9 AM PDT Thursday. * WHAT...For the Freeze Warning, low temperatures of 30 to 32 are expected. For the Frost Advisory, low temperatures of 33 to 36 are expected. * WHERE...Freeze Warning for Obrien, Cave Junction, Provolt, Williams. Frost Advisory for Grants Pass, Wilderville, Selma, Merlin. * WHEN...From 2 AM to 9 AM PDT Thursday. * Impacts...Frost and freezing conditions could kill crops and other sensitive vegetation. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ ORZ026-101600- /O.NEW.KMFR.FR.Y.0021.191010T0900Z-191010T1600Z/ /O.CON.KMFR.FZ.W.0017.191010T0900Z-191010T1600Z/ Jackson County- Including the cities of Medford and Ashland 517 PM PDT Wed Oct 9 2019 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... The National Weather Service in Medford has issued a Frost Advisory...which is in effect from 2 AM to 9 AM PDT Thursday. * WHAT...For the Freeze Warning, low temperatures of 30 to 32 are expected. For the Frost Advisory, low temperatures of 33 to 36 are expected. * WHERE...Freeze Warning for Medford, Gold Hill, Jacksonville, Talent and White City. Frost Advisory or Shady Cove and Ashland. * WHEN...From 2 AM to 9 AM PDT Thursday. * Impacts...Frost and freezing conditions could kill crops and other sensitive vegetation. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CAZ080>082-101600- /O.CON.KMFR.FZ.W.0017.191010T0900Z-191010T1600Z/ Western Siskiyou County-Central Siskiyou County- South Central Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Happy Camp, Weed, Yreka, McCloud, and Mount Shasta 517 PM PDT Wed Oct 9 2019 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY... * WHAT...Sub-freezing temperatures as low as 27 degrees are expected. * WHERE...Shasta Valley, Scott Valley and Seiad Valley including the towns of Weed, Yreka, Etna, Fort Jones, Greenview and Happy Camp. * WHEN...From From 2 AM to 9 AM PDT Thursday. * IMPACTS...Frost and freezing conditions could kill crops and other sensitive vegetation. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
1 follow-up statement
386 WWUS76 KMFR 101550 NPWMFR URGENT - WEATHER MESSAGE National Weather Service Medford OR 850 AM PDT Thu Oct 10 2019 ORZ023-101700- /O.EXP.KMFR.FZ.W.0017.000000T0000Z-191010T1600Z/ /O.EXP.KMFR.FR.Y.0021.000000T0000Z-191010T1600Z/ Central Douglas County- Including the cities of Drain, Elkton, Roseburg, Sutherlin, Green, Myrtle Creek, Canyonville, and Glendale 850 AM PDT Thu Oct 10 2019 ...FREEZE WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING... ...FROST ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING... $$ ORZ024-101700- /O.EXP.KMFR.FZ.W.0017.000000T0000Z-191010T1600Z/ /O.EXP.KMFR.FR.Y.0021.000000T0000Z-191010T1600Z/ Eastern Curry County and Josephine County- Including the cities of Grants Pass and Cave Junction 850 AM PDT Thu Oct 10 2019 ...FREEZE WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING... ...FROST ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING... $$ ORZ026-101700- /O.EXP.KMFR.FZ.W.0017.000000T0000Z-191010T1600Z/ /O.EXP.KMFR.FR.Y.0021.000000T0000Z-191010T1600Z/ Jackson County- Including the cities of Medford and Ashland 850 AM PDT Thu Oct 10 2019 ...FREEZE WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING... ...FROST ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING... $$ CAZ080>082-101700- /O.EXP.KMFR.FZ.W.0017.000000T0000Z-191010T1600Z/ Western Siskiyou County-Central Siskiyou County- South Central Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Happy Camp, Weed, Yreka, McCloud, and Mount Shasta 850 AM PDT Thu Oct 10 2019 ...FREEZE WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING... $$
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 2:33 PM PDT | Frost Advisory | MFR | Coos, Curry, Douglas, Jackson, Josephine | 17 hr |
Nearby
Frost Advisories in Oregon, 2019Every frost advisory in 2019
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.