Alert archive / Oregon / Winter Storm Warnings in 2008

Winter Storm Warning 5, NWS Medford, OR

February 1, 20085 counties in Oregon; Modoc County, Siskiyou County, California

NWS Medford, OR issued this winter storm warning at Feb 1, 2008, 12:05 PM PST for 5 counties in Oregon; Modoc County, Siskiyou County, California. It took effect at Feb 2, 2008, 4:16 AM PST. It was in force for 22 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: Feb 1, 2008, 12:05 PM PST (20:05 UTC)
In effect from: Feb 2, 2008, 4:16 AM PST
Expired: Feb 3, 2008, 2:01 AM PST
In force: 22 hr
Issued by: NWS Medford, OR

Counties Modoc County, CA, Siskiyou County, CA, Douglas County, OR, Jackson County, OR, Josephine County, OR, Klamath County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 61 km from the middle of the area, began a volume at 20:05 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

Reno, NV (KREV), launched 12:00Z, 8.1 hours before the alert went out and 454 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: 1050 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 290 m²/s²
0-3 km storm-relative helicity: 419 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 winter storm 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 winter storm warning went out at Feb 1, 9:00 AM PST, 3 hours 5 minutes earlier.

Area forecast discussion, Feb 1, 9:00 AM PST, 3 hours 5 minutes before

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Hazardous weather outlook, Feb 1, 4:21 AM PST, 7 hours 44 minutes before

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In the hours before

Local storm report, Feb 1, 7:58 AM PST, 4 hours 7 minutes before

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Local storm report, Feb 1, 8:13 AM PST, 3 hours 52 minutes before

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Local storm report, Feb 1, 9:14 AM PST, 2 hours 51 minutes before

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Local storm report, Feb 1, 10:35 AM PST, 1 hour 30 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
Feb 1, 3:59 AM PST	Winter Storm Watch	MFR	Douglas, Jackson, Josephine, Klamath, Lake	8 hr
Feb 1, 11:43 AM PST	Snow and Blowing Snow Advisory	MFR	Coos, Curry, Douglas, Jackson, Josephine	38 hr

Nearby

Winter Storm Warnings in Oregon, 2008 Winter Storm Warnings in California, 2008 Every winter storm warning in 2008

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.