Alert archive / Oregon / Frost Advisories in 2011
Frost Advisory 21, NWS Medford, OR
NWS Medford, OR issued this frost advisory at Jun 13, 2011, 2:29 PM PDT for Klamath County, Lake County, Oregon. It took effect at Jun 14, 2011, 3:00 AM PDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jun 13, 2011, 2:29 PM PDT (21:29 UTC)
- In effect from
- Jun 14, 2011, 3:00 AM PDT
- Expired
- Jun 14, 2011, 8:00 AM PDT
- In force
- 5 hr
- Issued by
- NWS Medford, OR
Counties Klamath County, OR, Lake County, OR
The radar
The Medford radar (KMAX), 158 km from the middle of the area, began a volume at 21:32 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, 9.5 hours before the alert went out and 152 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
- 10 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
961 WWUS76 KMFR 132129 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 229 PM PDT MON JUN 13 2011 ORZ030-031-140530- /O.NEW.KMFR.FR.Y.0021.110614T1000Z-110614T1500Z/ NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...BEATTY...BLY...CHEMULT...CRESCENT... GILCHRIST...SPRAGUE RIVER 229 PM PDT MON JUN 13 2011 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM PDT TUESDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM PDT TUESDAY. * TEMPERATURE...LOW TEMPERATURES WILL DIP INTO THE LOWER TO MID 30S LATE TONIGHT AND EARLY TUESDAY MORNING. * LOCATIONS INCLUDE: BEATTY...BLY...CHEMULT...CRESCENT... GILCHRIST...SPRAGUE RIVER. * IMPACTS...MOSTLY CLEAR SKIES AND LIGHT WINDS WILL CREATE CONDITIONS FAVORABLE FOR FROST. SENSITIVE PLANTS MAY BE DAMAGED IF LEFT UNPROTECTED. * INVERSION...COLDEST TEMPERATURES WILL BE WITHIN A HUNDRED FEET OF THE GROUND WITH TEMPERATURES ABOVE THAT LAYER IN THE UPPER 30S TO LOW 40S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CC
3 follow-up statements
342 WWUS76 KMFR 140511 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 1011 PM PDT MON JUN 13 2011 ORZ030-031-141500- /O.CON.KMFR.FR.Y.0021.110614T1000Z-110614T1500Z/ NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...BEATTY...BLY...CHEMULT...CRESCENT... GILCHRIST...SPRAGUE RIVER 1011 PM PDT MON JUN 13 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM PDT TUESDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM PDT TUESDAY. * TEMPERATURE...LOW TEMPERATURES WILL DIP INTO THE LOWER TO MID 30S LATE TONIGHT AND EARLY TUESDAY MORNING. * LOCATIONS INCLUDE: BEATTY...BLY...CHEMULT...CRESCENT... GILCHRIST...SPRAGUE RIVER. * IMPACTS...MOSTLY CLEAR SKIES AND LIGHT WINDS WILL CREATE CONDITIONS FAVORABLE FOR FROST. SENSITIVE PLANTS MAY BE DAMAGED IF LEFT UNPROTECTED. * INVERSION...COLDEST TEMPERATURES WILL BE WITHIN A HUNDRED FEET OF THE GROUND WITH TEMPERATURES ABOVE THAT LAYER IN THE UPPER 30S TO LOW 40S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
945 WWUS76 KMFR 140952 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 252 AM PDT TUE JUN 14 2011 ORZ030-031-141500- /O.CON.KMFR.FR.Y.0021.110614T1000Z-110614T1500Z/ NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...BEATTY...BLY...CHEMULT...CRESCENT... GILCHRIST...SPRAGUE RIVER 252 AM PDT TUE JUN 14 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING. * TEMPERATURE...LOW TEMPERATURES WILL DIP INTO THE LOWER TO MID 30S EARLY THIS MORNING. * LOCATIONS INCLUDE: BEATTY...BLY...CHEMULT...CRESCENT... GILCHRIST...SPRAGUE RIVER. * IMPACTS...CLEAR SKIES AND LIGHT WINDS WILL CREATE CONDITIONS FAVORABLE FOR FROST. SENSITIVE PLANTS MAY BE DAMAGED IF LEFT UNPROTECTED. * INVERSION...COLDEST TEMPERATURES WILL BE WITHIN A HUNDRED FEET OF THE GROUND WITH TEMPERATURES ABOVE THAT LAYER IN THE UPPER 30S TO LOW 40S. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ FB
994 WWUS76 KMFR 141458 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 758 AM PDT TUE JUN 14 2011 ORZ030-031-141600- /O.EXP.KMFR.FR.Y.0021.000000T0000Z-110614T1500Z/ NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY- CENTRAL AND EASTERN LAKE COUNTY- INCLUDING THE CITIES OF...BEATTY...BLY...CHEMULT...CRESCENT... GILCHRIST...SPRAGUE RIVER 758 AM PDT TUE JUN 14 2011 ...FROST ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING. * TEMPERATURE...LOW TEMPERATURES WILL DIP INTO THE LOWER TO MID 30S EARLY THIS MORNING. * LOCATIONS INCLUDE: BEATTY...BLY...CHEMULT...CRESCENT... GILCHRIST...SPRAGUE RIVER. * IMPACTS...CLEAR SKIES AND LIGHT WINDS WILL CREATE CONDITIONS FAVORABLE FOR FROST. SENSITIVE PLANTS MAY BE DAMAGED IF LEFT UNPROTECTED. $$
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 3:34 AM PDT | Gale Watch | MFR | 12 hr | |
| Jun 13, 3:34 AM PDT | Hazardous Seas Watch | MFR | 12 hr | |
| Jun 13, 3:34 AM PDT | Small Craft Advisory for Winds | MFR | 4 days | |
| Jun 13, 3:34 AM PDT | Small Craft Advisory for Hazardous Seas | MFR | 4 days | |
| Jun 13, 3:09 PM PDT | Gale Warning | MFR | 3 days | |
| Jun 13, 3:09 PM PDT | Hazardous Seas Warning | MFR | 3 days |
Nearby
Frost Advisories in Oregon, 2011Every frost advisory in 2011
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.