Alert archive / Oregon / Snow Advisories in 2005

Snow Advisory 9, NWS Medford, OR

December 26, 2005Klamath County, Lake County, Oregon; Siskiyou County, California

NWS Medford, OR issued this snow advisory at Dec 26, 2005, 2:10 PM PST for Klamath County, Lake County, Oregon; Siskiyou County, California. It took effect at Dec 27, 2005, 12:00 AM PST. It was in force for .

The area

The counties it named.

The facts

Issued: Dec 26, 2005, 2:10 PM PST (22:10 UTC)
In effect from: Dec 27, 2005, 12:00 AM PST
Expired: Dec 26, 2005, 10:14 PM PST
In force
Issued by: NWS Medford, OR

Counties Siskiyou County, CA, Klamath County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 103 km from the middle of the area, began a volume at 22:11 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, 10.2 hours before the alert went out and 105 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: 1054 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 180 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 snow 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 snow advisory went out at Dec 26, 8:50 AM PST, 5 hours 20 minutes earlier.

Area forecast discussion, Dec 26, 8:50 AM PST, 5 hours 20 minutes before

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Hazardous weather outlook, Dec 26, 1:17 PM PST, 53 minutes before

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In the hours before

Local storm report, Dec 26, 8:26 AM PST, 5 hours 44 minutes before

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Local storm report, Dec 26, 9:37 AM PST, 4 hours 33 minutes before

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Local storm report, Dec 26, 10:27 AM PST, 3 hours 43 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
Dec 26, 4:09 AM PST	High Wind Watch	MFR	Coos, Curry, Douglas	24 hr
Dec 26, 4:09 AM PST	High Wind Warning	MFR	Coos, Curry, Douglas	48 hr
Dec 26, 4:09 AM PST	Wind Advisory	MFR	Siskiyou	24 hr

Nearby

Snow Advisories in Oregon, 2005 Snow Advisories in California, 2005 Every snow advisory in 2005

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.