Alert archive / Oregon / Freeze Warnings in 2012
Freeze Warning 13, NWS Medford, OR
NWS Medford, OR issued this freeze warning at Jun 8, 2012, 1:57 PM PDT for Klamath County, Lake County, Oregon; Modoc County, Siskiyou County, California. It took effect at Jun 9, 2012, 3:00 AM PDT. It was in force for 4 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
- Jun 8, 2012, 1:57 PM PDT (20:57 UTC)
- In effect from
- Jun 9, 2012, 3:00 AM PDT
- Expired
- Jun 9, 2012, 7:00 AM PDT
- In force
- 4 hr
- Issued by
- NWS Medford, OR
Counties Modoc County, CA, Siskiyou County, CA, Klamath County, OR, Lake County, OR
The radar
The Medford radar (KMAX), 115 km from the middle of the area, began a volume at 20:59 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, 9.0 hours before the alert went out and 123 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
- No buoyant parcel
- Mixed-layer LCL
- 1138 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
541 WWUS76 KMFR 082057 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 157 PM PDT FRI JUN 8 2012 ...A COLD AIR MASS WILL GENERATE FROST CONDITIONS EARLY THIS MORNING AND POTENTIAL FREEZE CONDITIONS SATURDAY MORNING... CAZ084-085-ORZ029>031-091200- /O.UPG.KMFR.FZ.A.0009.120609T1000Z-120609T1400Z/ /O.NEW.KMFR.FZ.W.0013.120609T1000Z-120609T1400Z/ NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY- KLAMATH BASIN- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTURAS...BEATTY... BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER 157 PM PDT FRI JUN 8 2012 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 7 AM PDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 7 AM PDT SATURDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * TEMPERATURE...LOWS TONIGHT WILL BE FROM 27 TO 32 DEGREES. * TEMPERATURE INVERSION...A WEAK INVERSION IS EXPECTED SATURDAY MORNING...SO TEMPERATURES ABOVE THE SURFACE WILL BE A FEW DEGREES WARMER THAN THE SURFACE. * LOCATIONS INCLUDE: BEATTY...LAKEVIEW...BLY...KLAMATH FALLS... CHILOQUIN...CRESCENT...GILCHRIST...SPRAGUE RIVER...TULELAKE... DORRIS...ALTURAS. * IMPACTS...SENSITIVE VEGETATION COULD BE DAMAGED OR KILLED IF LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ PETRUCELLI
3 follow-up statements
369 WWUS76 KMFR 082159 CCA NPWMFR URGENT - WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE MEDFORD OR 258 PM PDT FRI JUN 8 2012 CAZ084-085-ORZ029>031-091315- /O.UPG.KMFR.FZ.A.0009.120609T1000Z-120609T1400Z/ /O.NEW.KMFR.FZ.W.0013.120609T1000Z-120609T1400Z/ NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY- KLAMATH BASIN- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTURAS...BEATTY... BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER 258 PM PDT FRI JUN 8 2012 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 7 AM PDT SATURDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 7 AM PDT SATURDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. * TEMPERATURE...LOWS TONIGHT WILL BE FROM 27 TO 32 DEGREES. * TEMPERATURE INVERSION...A WEAK INVERSION IS EXPECTED SATURDAY MORNING...SO TEMPERATURES ABOVE THE SURFACE WILL BE A FEW DEGREES WARMER THAN THE SURFACE. * LOCATIONS INCLUDE: BEATTY...LAKEVIEW...BLY...KLAMATH FALLS... CHILOQUIN...CRESCENT...GILCHRIST...SPRAGUE RIVER...TULELAKE... DORRIS...ALTURAS. * IMPACTS...SENSITIVE VEGETATION COULD BE DAMAGED OR KILLED IF LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ PETRUCELLI
084 WWUS76 KMFR 090929 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 229 AM PDT SAT JUN 9 2012 CAZ084-085-ORZ029>031-092130- /O.NEW.KMFR.FZ.A.0010.120610T1000Z-120610T1400Z/ /O.CON.KMFR.FZ.W.0013.120609T1000Z-120609T1400Z/ NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY- KLAMATH BASIN- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTURAS...BEATTY... BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER 229 AM PDT SAT JUN 9 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM PDT THIS MORNING... ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FREEZE WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING. A FREEZE WARNING REMAINS IN EFFECT UNTIL 7 AM PDT THIS MORNING. * TEMPERATURE...LOWS EARLY THIS MORNING WILL BE FROM 27 TO 32 DEGREES. SIMILARLY COLD TEMPERATURES ARE EXPECTED SUNDAY MORNING...THOUGH LOCATIONS OF FREEZING TEMPERATURES IS UNCERTAIN AT THIS TIME. * LOCATIONS INCLUDE: KLAMATH FALLS...LAKEVIEW...BEATTY...BLY... CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...TULELAKE... DORRIS...ALTURAS. * IMPACTS...SENSITIVE VEGETATION COULD BE DAMAGED OR KILLED IF LEFT UNPROTECTED. 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 FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ SK
512 WWUS76 KMFR 091357 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 657 AM PDT SAT JUN 9 2012 CAZ084-085-ORZ029>031-092200- /O.EXP.KMFR.FZ.W.0013.000000T0000Z-120609T1400Z/ /O.CON.KMFR.FZ.A.0010.120610T1000Z-120610T1400Z/ NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY- KLAMATH BASIN- NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTURAS...BEATTY... BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER 657 AM PDT SAT JUN 9 2012 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING... ...FREEZE WARNING WILL EXPIRE AT 7 AM PDT THIS MORNING... THE FREEZE WARNING WILL EXPIRE AT 7 AM PDT THIS MORNING. A FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING. * TEMPERATURE...COLD TEMPERATURES ARE EXPECTED SUNDAY MORNING...THOUGH LOCATIONS OF FREEZING TEMPERATURES IS UNCERTAIN AT THIS TIME. * LOCATIONS INCLUDE: KLAMATH FALLS...LAKEVIEW...BEATTY...BLY... CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...TULELAKE... DORRIS...ALTURAS. * IMPACTS...SENSITIVE VEGETATION COULD BE DAMAGED OR KILLED IF LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 8:19 PM PDT | Frost Advisory | MFR | Klamath, Lake | 11 hr |
| Jun 8, 2:44 AM PDT | Freeze Watch | MFR | Klamath, Lake | 12 hr |
| Jun 8, 2:52 AM PDT | Small Craft Advisory for Hazardous Seas | MFR | 44 hr | |
| Jun 8, 2:21 PM PDT | Hazardous Seas Watch | MFR | 12 hr | |
| Jun 8, 2:21 PM PDT | Small Craft Advisory for Winds | MFR | 3 days | |
| Jun 8, 2:21 PM PDT | Small Craft Advisory for Hazardous Seas | MFR | 3 days |
Nearby
Freeze Warnings in Oregon, 2012Freeze Warnings in California, 2012Every freeze warning in 2012
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.