Alert archive / Wyoming / Snow Advisories in 2006

Snow Advisory 4, NWS Salt Lake City, UT

January 18, 2006Uinta County, Wyoming

NWS Salt Lake City, UT issued this snow advisory at Jan 18, 2006, 4:20 AM MST for Uinta County, Wyoming. It took effect at Jan 18, 2006, 8:00 AM MST. It was in force for 37 hr.

The area

The counties it named.

The facts

Issued
Jan 18, 2006, 4:20 AM MST (11:20 UTC)
In effect from
Jan 18, 2006, 8:00 AM MST
Expired
Jan 19, 2006, 9:00 PM MST
In force
37 hr
Issued by
NWS Salt Lake City, UT

County Uinta County, WY

The radar

The Salt Lake City radar (KMTX), 159 km from the middle of the area, began a volume at 11:24 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

Riverton, WY (KRIW), launched 00:00Z, 11.3 hours before the alert went out and 266 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, Riverton, WY at 00:00Z on 2006-01-18Temperature 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, Riverton, WY at 00:00Z on 2006-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.19395878Sfc1 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
1718 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
178 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 Salt Lake City, UT wrote its last area forecast discussion before this snow advisory went out at Jan 17, 9:34 PM MST, 6 hours 46 minutes earlier.

Area forecast discussion, Jan 17, 9:34 PM MST, 6 hours 46 minutes before
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Hazardous weather outlook, Jan 17, 4:55 AM MST, 23 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
455 AM MST TUE JAN 17 2006

UTZ001>010-014>018-WYZ021-181300-
CACHE VALLEY/UTAH PORTION-CENTRAL AND SOUTHWEST MOUNTAINS-
GREAT SALT LAKE DESERT AND MOUNTAINS-HENRY MOUNTAINS-
NORTHERN WASATCH FRONT-SALT LAKE AND TOOELE VALLEYS-
SANPETE/SEVIER VALLEYS-SOUTHERN WASATCH FRONT-SOUTHWEST UTAH-
SOUTHWEST WYOMING-WASATCH MOUNTAIN VALLEYS-WASATCH MOUNTAINS I-
80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-WASATCH PLATEAU/BOOK CLIFFS-
WEST CENTRAL UTAH-WESTERN UINTA MOUNTAINS-
455 AM MST TUE JAN 17 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MOST OF THE WESTERN TWO THIRDS
OF UTAH AS WELL AS EXTREME SOUTHWEST WYOMING.

.DAY ONE... TODAY AND TONIGHT

SOME SNOW WILL DEVELOP OVER THE FAR NORTHERN MOUNTAINS TODAY.
THE SNOW WILL BECOME MORE WIDESPREAD TONIGHT AND WEDNESDAY.
VALLEY LOCATIONS WILL SEE A MIXTURE OF RAIN AND SNOW.
REFER TO SLCWSWSLC FOR DETAILS ON THIS POTENTIALLY SIGNIFICANT
WINTER STORM.

.DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY

WIND AND SNOW WILL CONTINUE WEDNESDAY ACROSS THE NORTHERN MOUNTAINS.
A MIXTURE OF RAIN AND SNOW IN THE VALLEYS WILL CHANGE TO SNOW.
PERIODS OF HEAVY SNOW ARE POSSIBLE WEDNESDAY NIGHT AND WILL CONTINUE
INTO THURSDAY NIGHT AS COLDER AIR ARRIVES. SNOW IS EXPECTED ALONG
THE I-15 CORRIDOR IN CENTRAL AND SOUTHERN UTAH FROM WEDNESDAY
NIGHT INTO THURSDAY NIGHT. REFER TO SLCWSWSLC FOR THE LATEST
HEADLINES AND DETAILS FOR THIS WINTER STORM.

AFTER A BREAK IN THE WEATHER ON FRIDAY THE NEXT WEATHER DISTURBANCE
IS EXPECTED ON SATURDAY.

.SPOTTER INFORMATION STATEMENT

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

UTZ011>013-019>021-181300-
CASTLE COUNTRY-GLEN CANYON RECREATION AREA/LAKE POWELL-
SAN RAFAEL SWELL-SOUTH CENTRAL UTAH-
UTAHS DIXIE AND ZION NATIONAL PARK-WESTERN UINTA BASIN-
455 AM MST TUE JAN 17 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR FAR SOUTHERN UTAH AND PARTS OF
EASTERN UTAH.

.DAY ONE... TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY

RAIN AND SNOW SHOWERS ARE EXPECTED WEDNESDAY NIGHT THROUGH THURSDAY
NIGHT. SOME SNOW ACCUMULATIONS ARE POSSIBLE.

.SPOTTER INFORMATION STATEMENT

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

TARDY

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 18, 4:20 AM MSTHeavy Snow WarningSLC41 hr

Nearby

Snow Advisories in Wyoming, 2006Snow Advisories in Utah, 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.