1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, 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 the first event at Sep 27, 8:57 AM MST, 4 hours 58 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHEYENNE WY 957 AM MDT TUE SEP 27 2005 .UPDATE...PREVIOUS GRIDS IN DECENT SHAPE. BASED ON CURRENT TRENDS AND NEW MODEL GUIDANCE...HAVE MADE SOME MINOR TWEEKS TO THE GRIDS AND ZONE FORECASTS FOR TODAY. RUBIN PREVIOUS DISCUSSION... .SHORT TERM...UPPER LOW OVR WRN NV WILL OPEN UP AND MOVE EASTWARD TODAY. INCREASING CLOUDS EXPECTED THROUGH THE MORNING. DECENT LIFT ASSOCIATED WITH THE SHORT WAVE ENERGY AFFECTING SOUTH CENTRAL AND SOUTHEAST WYOMING THIS AFTERNOON. SURFACE BASED INSTABILITY IS PRETTY WEAK...HOWEVER DYNAMICS WILL LIKELY ALLOW SOME ELEVATED CONVECTION WITH RRQ OF THE JET ALSO OVER THE AREA THIS AFTERNOON. WILL CONTINUE FORECAST OF SCATTERED POPS ESPECIALLY OVER WESTERN PORTION OF THE CWA. DOWNSLOPE WINDS EAST OF THE MOUNTAINS...COUPLED WITH DRY LOW LEVELS OF THE ATMOSPHERE WILL LIMIT THE AMOUNT OF CONVECTION THAT MAKES IT EAST OF THE MOUNTAINS. AS THE FRONT MOVES SOUTH THROUGH THE CWA THIS EVENING...WILL LIKELY SEE SOME SHOWERS AND ISOLATED TSTMS ALONG AND IMMEDIATELY BEHIND THE FRONT. BEST LIFT AND DYNAMICS SHIFT SOUTH INTO COLORADO AFTER MIDNIGHT...SO WILL KEEP SOME LOW POPS GOING...BUT FOCUS THEM IN THE MOUNTAINS AND SOUTH CENTRAL WY. GUIDANCE IS HAVING A TOUGH TIME WITH TEMPERATURES. GUIDANCE GOES WARM TODAY...BUT TRADE OFF WILL BE THE AMOUNT OF CLOUD COVER. HAVE TONED DOWN GUIDANCE HIGHS ESPECIALLY IN WY PORTION OF THE CWA. AS FAR AS OVERNIGHT LOWS GO...GUIDANCE IS COOL...BUT CONSIDERING AMOUNT OF CLOUD COVER HAVE TWEAKED THOSE AS WELL. LONG TERM...MODELS NOW IN BETTER AGREEMENT LEAVING UPPER LOW ALONG THE UTAH/AZ BORDER AREA WEDNESDAY THEN MOVING IT ESE. GFS MORE NORTH WITH ITS TRACK OF SYSTEM AS WELL AS LITTLE STRONGER. REGARDLESS ...THE EFFECTS OF THIS SYSTEM LOOK TO REMAIN SOUTH OF THE CWA AS SFC HIGH DROPS SE ACROSS THE CENTRAL PLAINS WEDS AFTERN DRYING AIRMASS OVER THE CWA AND CLEARING SKIES. AFTER THAT A FAST ZONAL FLOW SETS UP ACROSS THE NORTHERN TIER STATES BY FRIDAY AND PERSISTS THRU THE WEEKEND. RESULT HERE SHOULD BE A DRY AND MILD PATTERN WITH GENERALLY DOWNSLOPE FLOW ALLOWING TEMPS TO REBOUND TO SOMEWHAT ABOVE AVERAGE LEVELS. ANY WEAK IMPULSES IN THE FAST FLOW MAY PUSH A COUPLE OF WEAK COOL SURGES ACROSS MAINLY THE ERN CWA. UPPER FLOW TURNS MORE SW MONDAY AS NEXT UPPER LOW IMPINGES ALONG THE WEST COAST BUT FETCH FOR OUR AREA FROM THE DESERT SW SO WILL MAINTAIN DRY AND MILD FORECAST. && .CYS WATCHES/WARNINGS/ADVISORIES... WY...NONE. NE...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 248 PM MDT TUE SEP 27 2005 NEZ001>003-019>021-054-055-WYZ059>070-281100- SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL- CHEYENNE-CONVERSE-NIOBRARA-SOUTHWEST CARBON-NORTH CARBON- SNOWY RANGE-NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- PLATTE-GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS- 248 PM MDT TUE SEP 27 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE AND SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL MOVE EASTWARD ACROSS THE REGION THIS AFTERNOON AND EVENING. A FEW OF THE STRONGER THUNDERSTORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS OF 55 TO 65 MPH. THESE STORMS WILL SPREAD EASTWARD OVER THE PLAINS OF EASTERN WYOMING AND THE NEBRASKA PANHANDLE THROUGH EARLY THIS EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. RUBIN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
240 PM MDT TUE SEP 27 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0217 PM TSTM WND GST LARAMIE 41.31N 105.58W
09/27/2005 59 MPH ALBANY WY ASOS
&&
RUBINThe Cheyenne radar (KCYS), 21 km away, was scanning. The volume nearest the first event began at 20:55 UTC.
1 thunderstorm wind. Local standard time, as filed.
58 mph wind gust recorded at Cheyenne, Wy. with unofficial gust to 74 mph 12 miles west of Cheyenne.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2005Every state in 2005This day in weather historyWarnings in Wyoming, September 2005
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5471581.