Alert archive / Wyoming / Winter Storm Warnings in 2008
Winter Storm Warning 4, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Jan 27, 2008, 2:45 AM MST for 5 counties in Wyoming. It took effect at Jan 27, 2008, 12:00 PM MST. It was in force for 30 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
- Jan 27, 2008, 2:45 AM MST (09:45 UTC)
- In effect from
- Jan 27, 2008, 12:00 PM MST
- Expired
- Jan 28, 2008, 6:00 PM MST
- In force
- 30 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Lincoln County, WY, Park County, WY, Sublette County, WY, Teton County, WY
The radar
The Riverton/Lander radar (KRIW), 116 km from the middle of the area, began a volume at 09:42 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
Elko, NV (KLKN), launched 00:00Z, 9.8 hours before the alert went out and 448 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1477 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 214 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Riverton, WY wrote its last area forecast discussion before this winter storm warning went out at Jan 26, 3:56 PM MST, 10 hours 49 minutes earlier.
Area forecast discussion, Jan 26, 3:56 PM MST, 10 hours 49 minutes before
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</html>Hazardous weather outlook, Jan 26, 2:29 PM MST, 12 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 229 PM MST SAT JAN 26 2008 WYZ001>020-022>030-271200- ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST- BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS- EAST SWEETWATER COUNTY-FLAMING GORGE- GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS- NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN- NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS- ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES- SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN- SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY- TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN- UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN- WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST- YELLOWSTONE NATIONAL PARK- 229 PM MST SAT JAN 26 2008 ...HIGH WIND WARNING FOR THE GREEN AND RATTLESNAKE MOUNTAINS AND THE LOWER ELEVATIONS OF NATRONA COUNTY 12 AM SUNDAY THROUGH 6 PM SUNDAY... ...WINTER STORM WATCH FOR MOST OF WESTERN WYOMING AND THE WIND RIVER MOUNTAINS 12 PM SUNDAY THROUGH 12 PM MONDAY... .DAY ONE...TODAY AND TONIGHT A STRONG STORM SYSTEM WILL BRING STRONG WINDS TONIGHT TO NATRONA AND SOUTHEAST FREMONT COUNTIES. SOUTHWEST WINDS OF 40 MPH WITH GUSTS TO 60 MPH ARE POSSIBLE BEGINNING MIDNIGHT TONIGHT AND PERSISTING THROUGH SUNDAY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE STORM WILL ALSO BRING THE POSSIBILITY OF SIGNIFICANT SNOWFALL TO WESTERN WYOMING AND THE WIND RIVER MOUNTAINS SUNDAY AFTERNOON THROUGH NOON ON MONDAY. SNOWFALL AMOUNTS OF 6 TO 12 INCHES ARE POSSIBLE IN THE LOWER ELEVATIONS AND 12 TO 24 INCHES IN THE MOUNTAINS. ALSO... VERY WINDY CONDITIONS WILL OCCUR...CAUSING SIGNIFICANT BLOWING AND DRIFTING SNOW. STAY TUNED TO THE LATEST FORECASTS AND STATEMENTS REGARDING THIS STORM SYSTEM. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT WINDS IN EXCESS OF 45 MPH. THANK YOU VERY MUCH. TEAM RIVERTON
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 27, 2:45 AM MST | Snow Advisory | RIW | Fremont, Hot Springs, Lincoln, Natrona, Park, Sublette and 1 more | 41 hr |
Nearby
Winter Storm Warnings in Wyoming, 2008Every 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.