Alert archive / Oregon / Snow Advisories in 2006

Snow Advisory 9, NWS Medford, OR

January 29, 2006Klamath County, Lake County, Oregon; Siskiyou County, California

NWS Medford, OR issued this snow advisory at Jan 29, 2006, 3:10 PM PST for Klamath County, Lake County, Oregon; Siskiyou County, California. It took effect at Jan 29, 2006, 6:00 PM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jan 29, 2006, 3:10 PM PST (23:10 UTC)
In effect from
Jan 29, 2006, 6:00 PM PST
Expired
Jan 30, 2006, 12:00 PM PST
In force
18 hr
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 23:11 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

Reno, NV (KREV), launched 12:00Z, 11.2 hours before the alert went out and 417 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, Reno, NV at 12:00Z on 2006-01-29Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 2006-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
1440 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
122 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 Jan 29, 2:50 PM PST, 20 minutes earlier.

Area forecast discussion, Jan 29, 2:50 PM PST, 20 minutes before
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Hazardous weather outlook, Jan 29, 5:43 AM PST, 9 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEDFORD OR
543 AM PST SUN JAN 29 2006

ORZ021-022-291343-
CURRY COUNTY COAST-SOUTH CENTRAL OREGON COAST-
543 AM PST SUN JAN 29 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...FLOOD WATCH IS IN EFFECT FROM LATE TONIGHT. SEE FLOOD
WATCH FOR DETAILS. A HIGH WIND WARNING REMAIN IN EFFECT. SEE HIGH
WIND WARNING STATEMENT FOR MORE DETAILS. A HIGH SURF ADVISORY FROM
4 PM THIS AFTERNOON. SEE COASTAL HAZARD MESSAGE FOR MORE DETAILS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

FLOOD WATCH CONTINUES THROUGH MONDAY EVENING. A HIGH WIND WARNING
CONTINUES THROUGH 6 AM MONDAY. HIGH SURF ADVISORY CONTINUES THROUGH
4 PM MONDAY.

ORZ024-291343-
EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-
543 AM PST SUN JAN 29 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...TODAY

FLOOD WATCH WILL BE IN EFFECT LATE TONIGHT. SEE FLOOD WATCH
STATEMENT FOR MORE DETAILS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

FLOOD WATCH CONTINUES THROUGH MONDAY EVENING.

CAZ081-291343-
CENTRAL SISKIYOU COUNTY-
543 AM PST SUN JAN 29 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...TODAY

WIND ADVISORY IS IN EFFECT FROM 1 PM THIS AFTERNOON THROUGH 1 AM
MONDAY. SEE WIND ADVISORY FOR DETAILS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

PZZ350-353-356-370-373-376-291343-
CAPE ARAGO TO FLORENCE, OR 20 TO 60 NM-
CAPE ARAGO TO FLORENCE, OR WESTWARD 20 NM-
CAPE BLANCO TO CAPE ARAGO, OR 20 TO 60 NM-
CAPE BLANCO TO CAPE ARAGO, OR WESTWARD 20 NM-
PT. ST. GEORGE, CA TO CAPE BLANCO, OR 20 TO 60 NM-
PT. ST. GEORGE, CA TO CAPE BLANCO, OR WESTWARD 20 NM-
543 AM PST SUN JAN 29 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...TODAY

GALE WARNING REMAINS IN EFFECT THROUGH LATE TONIGHT. SEE COASTAL
WATERS FORECAST FOR DETAILS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

PETRUCELLI

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 29, 2:00 AM PSTWind AdvisoryMFRSiskiyou29 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.