Alert archive / Oregon / Snow Advisories in 2006

Snow Advisory 39, NWS Medford, OR

December 26, 20064 counties in Oregon; Siskiyou County, California

NWS Medford, OR issued this snow advisory at Dec 26, 2006, 8:10 PM PST for 4 counties in Oregon; Siskiyou County, California. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 26, 2006, 8:10 PM PST (04:10 UTC)
Expired
Dec 27, 2006, 8:00 AM PST
In force
12 hr
Issued by
NWS Medford, OR

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

The radar

The Medford radar (KMAX), 44 km from the middle of the area, began a volume at 04:12 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, 4.2 hours before the alert went out and 13 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-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2006-12-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 00:00Z on 2006-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
1096 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
283 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, 2:06 PM PST, 6 hours 4 minutes earlier.

Area forecast discussion, Dec 26, 2:06 PM PST, 6 hours 4 minutes before
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Hazardous weather outlook, Dec 26, 5:02 PM PST, 3 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEDFORD OR
502 PM PST TUE DEC 26 2006

ORZ021>023-271200-
CENTRAL DOUGLAS COUNTY-CURRY COUNTY COAST-SOUTH CENTRAL OREGON COAST-
502 PM PST TUE DEC 26 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...TODAY

A FLOOD WARNING REMAINS IN EFFECT FOR THE ROGUE RIVER AT AGNESS...
THE COQUILLE RIVER AT COQUILLE AND THE SOUTH FORK RIVER AT MYRTLE
POINT. FOR ADDITIONAL INFORMATION REFER TO THE FLOOD STATEMENT
MESSAGE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY

A HIGH SURF ADVISORY IS IN EFFECT FROM 400 AM PST TO 4 PM PST
WEDNESDAY. PLEASE REFER TO THE HIGH SURF ADVISORY MESSAGE FOR
FURTHER DETAILS. A FLOOD WARNING REMAINS IN EFFECT FOR THE ROGUE
RIVER AT AGNESS...THE COQUILLE RIVER AT COQUILLE AND THE SOUTH FORK
RIVER AT MYRTLE POINT. FOR ADDITIONAL INFORMATION REFER TO THE FLOOD
STATEMENT MESSAGE.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

CAZ081-271200-
CENTRAL SISKIYOU COUNTY-
502 PM PST TUE DEC 26 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...TODAY

A HEAVY SNOW WARNING IS IN EFFECT UNTIL 400 AM PST WEDNESDAY.
PLEASE REFER TO THE HEAVY SNOW WARNING FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY

A HEAVY SNOW WARNING IS IN EFFECT UNTIL 400 AM PST WEDNESDAY.
PLEASE REFER TO THE HEAVY SNOW WARNING FOR FURTHER DETAILS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

LS

In the hours before

Local storm report, Dec 26, 3:07 PM PST, 5 hours 3 minutes before
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Local storm report, Dec 26, 3:53 PM PST, 4 hours 17 minutes before
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Local storm report, Dec 26, 4:08 PM PST, 4 hours 2 minutes before
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Local storm report, Dec 26, 5:04 PM PST, 3 hours 6 minutes before
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The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 27, 2:27 AM PSTHigh Wind WarningMFRCoos, Curry, Douglas5 hr
Dec 27, 2:27 AM PSTWind AdvisoryMFRCoos, Curry, Douglas, Josephine8 hr

Nearby

Snow Advisories in Oregon, 2006Snow Advisories in California, 2006Every snow advisory in 2006

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.