Alert archive / Oregon / Frost Advisories in 2014
Frost Advisory 8, NWS Medford, OR
NWS Medford, OR issued this frost advisory at Jun 12, 2014, 2:00 PM PDT for Klamath County, Lake County, Oregon; Modoc County, Siskiyou County, California. It took effect at Jun 14, 2014, 2:00 AM PDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jun 12, 2014, 2:00 PM PDT (21:00 UTC)
- In effect from
- Jun 14, 2014, 2:00 AM PDT
- Expired
- Jun 14, 2014, 7:00 AM PDT
- In force
- 5 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 21:06 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1416 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Medford, OR wrote its last area forecast discussion before this frost advisory went out at Jun 12, 8:52 AM PDT, 5 hours 8 minutes earlier.
Area forecast discussion, Jun 12, 8:52 AM PDT, 5 hours 8 minutes before
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</html>The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 2:00 PM PDT | Freeze Warning | MFR | Klamath, Lake | 41 hr |
| Jun 12, 3:07 PM PDT | Hazardous Seas Watch | MFR | 12 hr | |
| Jun 12, 3:07 PM PDT | Small Craft Advisory for Hazardous Seas | MFR | 60 hr | |
| Jun 12, 4:04 PM PDT | Blowing Dust Advisory | MFR | Lake | 7 hr |
| Jun 12, 4:37 PM PDT | Wind Advisory | MFR | Curry, Jackson, Josephine | 4 hr |
Nearby
Frost Advisories in Oregon, 2014Frost Advisories in California, 2014Every frost advisory in 2014
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.