Alert archive / Oregon / Frost Advisories in 2013
Frost Advisory 21, NWS Medford, OR
NWS Medford, OR issued this frost advisory at Mar 7, 2013, 2:42 AM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Mar 8, 2013, 1:00 AM PST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 7, 2013, 2:42 AM PST (10:42 UTC)
- In effect from
- Mar 8, 2013, 1:00 AM PST
- Expired
- Mar 8, 2013, 7:00 AM PST
- In force
- 6 hr
- Issued by
- NWS Medford, OR
Counties Coos County, OR, Curry County, OR, Douglas County, OR
The radar
The Medford radar (KMAX), 135 km from the middle of the area, began a volume at 10:43 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, 10.7 hours before the alert went out and 108 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
- 18 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1166 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
996 WWUS76 KMFR 071042 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 242 AM PST THU MAR 7 2013 ORZ021-022-071845- /O.NEW.KMFR.FR.Y.0021.130308T0900Z-130308T1500Z/ SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST- INCLUDING THE CITIES OF...COOS BAY...NORTH BEND...BANDON... PORT ORFORD...COQUILLE...BROOKINGS...HARBOR...GOLD BEACH 242 AM PST THU MAR 7 2013 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 7 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 1 AM TO 7 AM PST FRIDAY. * TEMPERATURE...LOW TEMPERATURES WILL RANGE FROM 33 DEGREES AROUND COQUILLE AND ALONG THE LOWER UMPQUA RIVER TO 36 DEGREES AROUND COOS BAY AND THE CURRY COAST. * LOCATIONS INCLUDE: COOS BAY...NORTH BEND...BANDON...PORT ORFORD...COQUILLE...BROOKINGS...HARBOR...GOLD BEACH. * IMPACTS...SENSITIVE VEGETATION COULD BE DAMAGED IF NOT PROTECTED. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ LOVEGROVE
3 follow-up statements
589 WWUS76 KMFR 071816 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 1016 AM PST THU MAR 7 2013 ORZ021-022-080230- /O.CON.KMFR.FR.Y.0021.130308T0900Z-130308T1500Z/ SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST- INCLUDING THE CITIES OF...COOS BAY...NORTH BEND...BANDON... PORT ORFORD...COQUILLE...BROOKINGS...HARBOR...GOLD BEACH 1016 AM PST THU MAR 7 2013 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM PST FRIDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM PST FRIDAY. * TEMPERATURE...LOW TEMPERATURES WILL RANGE FROM 33 DEGREES AROUND COQUILLE AND ALONG THE LOWER UMPQUA RIVER TO 36 DEGREES AROUND COOS BAY AND THE CURRY COAST. * LOCATIONS INCLUDE: COOS BAY...NORTH BEND...BANDON...PORT ORFORD...COQUILLE...BROOKINGS...HARBOR...GOLD BEACH. * IMPACTS...SENSITIVE VEGETATION COULD BE DAMAGED IF NOT PROTECTED. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ SK
369 WWUS76 KMFR 072132 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 132 PM PST THU MAR 7 2013 ORZ021-022-081200- /O.NEW.KMFR.FZ.W.0012.130308T0900Z-130308T1500Z/ /O.CON.KMFR.FR.Y.0021.130308T0900Z-130308T1500Z/ SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST- INCLUDING THE CITIES OF...COOS BAY...NORTH BEND...BANDON... PORT ORFORD...COQUILLE...BROOKINGS...HARBOR...GOLD BEACH 132 PM PST THU MAR 7 2013 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 7 AM PST FRIDAY... ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 1 AM TO 7 AM PST FRIDAY. A FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 AM PST FRIDAY. * TEMPERATURE...LOW TEMPERATURES WILL RANGE FROM 32 DEGREES AROUND COQUILLE AND MYRTLE POINT TO 36 DEGREES AROUND COOS BAY AND THE CURRY COAST. * FREEZE LOCATIONS INCLUDE: COQUILLE AND MYRTLE POINT. * FROST LOCATIONS INCLUDE: COOS BAY...NORTH BEND...BANDON...PORT ORFORD...BROOKINGS...HARBOR...GOLD BEACH. * IMPACTS...SENSITIVE VEGETATION COULD BE DAMAGED OR KILLED IF NOT PROTECTED. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ SK
189 WWUS76 KMFR 081509 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 709 AM PST FRI MAR 8 2013 ORZ021-022-081615- /O.EXP.KMFR.FZ.W.0012.000000T0000Z-130308T1500Z/ /O.EXP.KMFR.FR.Y.0021.000000T0000Z-130308T1500Z/ SOUTH CENTRAL OREGON COAST-CURRY COUNTY COAST- INCLUDING THE CITIES OF...COOS BAY...NORTH BEND...BANDON... PORT ORFORD...COQUILLE...BROOKINGS...HARBOR...GOLD BEACH 709 AM PST FRI MAR 8 2013 ...FREEZE WARNING HAS EXPIRED... ...FROST ADVISORY HAS EXPIRED... THE FREEZE WARNING IS NO LONGER IN EFFECT. THE FROST ADVISORY IS NO LONGER IN EFFECT. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR $$
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 1:32 PM PST | Freeze Warning | MFR | Coos, Curry, Douglas | 17 hr |
| Mar 7, 2:29 PM PST | Small Craft Advisory for Winds | MFR | 34 hr | |
| Mar 7, 2:29 PM PST | Small Craft Advisory for Hazardous Seas | MFR | 34 hr |
Nearby
Frost Advisories in Oregon, 2013Every frost advisory in 2013
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.