Alert archive / Wyoming / Snow Advisories in 2005
Snow Advisory 7, NWS Cheyenne, WY
NWS Cheyenne, WY issued this snow advisory at Nov 26, 2005, 2:45 PM MST for Crook County, Weston County, Wyoming. It took effect at Nov 26, 2005, 6:00 PM MST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 26, 2005, 2:45 PM MST (21:45 UTC)
- In effect from
- Nov 26, 2005, 6:00 PM MST
- Expired
- Nov 27, 2005, 5:45 AM MST
- In force
- 12 hr
- Issued by
- NWS Cheyenne, WY
Counties Crook County, WY, Weston County, WY
The radar
The Rapid City radar (KUDX), 139 km from the middle of the area, began a volume at 21:47 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 12:00Z, 9.8 hours before the alert went out and 333 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
- 1679 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Cheyenne, WY wrote its last area forecast discussion before this snow advisory went out at Nov 26, 2:10 PM MST, 35 minutes earlier.
Area forecast discussion, Nov 26, 2:10 PM MST, 35 minutes before
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</html>Hazardous weather outlook, Nov 26, 2:45 PM MST, 0 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE CHEYENNE WY 245 PM MST SAT NOV 26 2005 WYZ061-062-065>070-271230- SOUTHWEST CARBON-NORTH CARBON-LARAMIE VALLEY-LARAMIE RANGE-PLATTE- GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS- 245 PM MST SAT NOV 26 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED RAIN AND SNOW SHOWERS WILL DEVELOP ALONG AND WEST OF THE MOUNTAINS THROUGH EARLY THIS EVENING...THEN PRECIPITATION WILL INCREASE AND SPREAD ACROSS THE REST OF WYOMING TONIGHT AND CHANGE TO SNOW. WEST OR NORTHWEST WINDS WILL BLOW AT 15 TO 30 MPH. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY AREAS OF LIGHT SNOW WILL CONTINUE SUNDAY AND SUNDAY NIGHT WITH TOTAL ACCUMULATIONS AN INCH OR LESS EXCEPT 1 TO 3 INCHES FROM LARAMIE TO RAWLINS. IT WILL REMAIN BREEZY TO WINDY. MONDAY WILL BE VERY WINDY WITH NORTHWEST WINDS OF 20 TO 40 MPH WITH GUSTS TO 50 MPH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. WYZ059-060-063-064-271230- CONVERSE-NIOBRARA-SNOWY RANGE-NORTH LARAMIE RANGE- 245 PM MST SAT NOV 26 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT SNOW WILL BECOME LIKELY THIS AFTERNOON AND EVENING OVER SOUTH CENTRAL INTO EAST CENTRAL WYOMING. OCCASIONAL SNOW WILL CONTINUE TONIGHT ALONG WITH AREAS OF BLOWING SNOW IN THE SNOWY RANGE. A SNOW AND BLOWING SNOW ADVISORY IS IN EFFECT THROUGH 6 AM SUNDAY MORNING FOR THE SNOWY RANGE. A SNOW ADVISORY HAS BEEN POSTED FOR THE NORTHERN LARAMIE AS WELL AS CONVERSE AND NIOBRARA COUNTIES FOR TONIGHT. PLEASE SEE PRODUCT CYSWSWCYS FOR MORE INFORMATION. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY LIGHT SNOW WILL BE LIKELY ON SUNDAY INTO SUNDAY NIGHT...ESPECIALLY IN THE MOUNTAINS. IT WILL BE WINDY. TOTAL SNOWFALL OF 5 TO 8 INCHES WILL OCCUR IN THE MOUNTAINS...WITH 3 TO 5 INCHES IN CONVERSE AND NIOBRARA COUNTIES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. NEZ001>003-019>021-054-055-271230- SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL- CHEYENNE- 245 PM MST SAT NOV 26 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE WILL BE A CHANCE OF LIGHT SNOW TONIGHT WITH BREEZY CONDITIONS. LOCAL SNOWFALL OF 1 TO 2 INCHES IS POSSIBLE IN THE PINE RIDGE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SUNDAY WILL BE MUCH COLDER AND WINDY WITH NORTHWEST WINDS OF 20 TO 30 MPH GUSTING TO 40 MPH. A CHANCE OF SNOW EXISTS SUNDAY AND SUNDAY NIGHT WITH ACCUMULATIONS OF AN INCH OR LESS. MONDAY WILL BE QUITE WINDY WITH NORTHWEST WINDS OF 25 TO 35 MPH GUSTING TO 50 MPH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 26, 5:10 AM MST | Snow and Blowing Snow Advisory | CYS | 25 hr |
Nearby
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.