Alert archive / Oregon / Freeze Warnings in 2014

Freeze Warning 9, NWS Medford, OR

June 12, 2014Klamath County, Lake County, Oregon; Modoc County, Siskiyou County, California

NWS Medford, OR issued this freeze warning 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. 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 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze warning 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 freeze warning 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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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	Frost Advisory	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

Freeze Warnings in Oregon, 2014 Freeze Warnings in California, 2014 Every freeze warning 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.