Alert archive / Oregon / Frost Advisories in 2012
Frost Advisory 13, NWS Medford, OR
NWS Medford, OR issued this frost advisory at May 5, 2012, 5:12 PM PDT for Curry County, Jackson County, Josephine County, Oregon. It took effect at May 6, 2012, 2:00 AM PDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 5, 2012, 5:12 PM PDT (00:12 UTC)
- In effect from
- May 6, 2012, 2:00 AM PDT
- Expired
- May 6, 2012, 8:00 AM PDT
- In force
- 6 hr
- Issued by
- NWS Medford, OR
Counties Curry County, OR, Jackson County, OR, Josephine County, OR
The radar
The Medford radar (KMAX), 75 km from the middle of the area, began a volume at 00:17 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, 0.2 hours before the alert went out and 58 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
- 2022 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
006 WWUS76 KMFR 060012 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 512 PM PDT SAT MAY 5 2012 ORZ024-026-061500- /O.NEW.KMFR.FR.Y.0013.120506T0900Z-120506T1500Z/ EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY- INCLUDING THE CITIES OF...CAVE JUNCTION...ASHLAND 512 PM PDT SAT MAY 5 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PDT SUNDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM PDT SUNDAY. * TEMPERATURE: A LOW OF 38 DEGREES IS EXPECTED IN MEDFORD AND GRANTS PASS OVERNIGHT, BUT LOWS OF 33 TO 36 DEGREES WILL BE COMMON IN OUTLYING AREAS WITH THE POTENTIAL FOR FROST. * LOCATIONS INCLUDE: ASHLAND...JACKSONVILLE...ROGUE RIVER...SHADY COVE...CAVE JUNCTION AND PARTS OF THE APPLEGATE VALLEY. * IMPACTS...SENSITIVE VEGETATION MAY BE DAMAGED IF LEFT UNCOVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ MAS
1 follow-up statement
561 WWUS76 KMFR 061459 NPWMFR URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 759 AM PDT SUN MAY 6 2012 ORZ024-026-061600- /O.EXP.KMFR.FR.Y.0013.000000T0000Z-120506T1500Z/ EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY- INCLUDING THE CITIES OF...CAVE JUNCTION...ASHLAND 759 AM PDT SUN MAY 6 2012 ...FROST ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING. $$ STOCKTON
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 4:09 AM PDT | Gale Warning | MFR | 22 hr | |
| May 6, 4:09 AM PDT | Small Craft Advisory for Winds | MFR | 22 hr | |
| May 6, 4:09 AM PDT | Small Craft Advisory for Hazardous Seas | MFR | 22 hr |
Nearby
Frost Advisories in Oregon, 2012Every frost advisory 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.