1 high wind, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 Aug 1, 11:19 AM MST, 4 hours 21 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHEYENNE WY 1219 PM MDT TUE AUG 1 2006 .SHORT TERM...RIGHT REAR QUADRANT OF THE JET MAX WILL BE OVER THE EASTERN PORTION OF THE CWA THIS EVENING. AN UPPER TROUGH WILL MOVE ACROSS THE FORECAST AREA TONIGHT...WITH THE STRONGEST ENERGY MOVING TO THE NORTH OF THE AREA. THE UPPER TROUGH AXIS WILL BE EAST OF THE CWA BY WED AFTERNOON. WESTERLY FLOW ALOFT WILL SET UP WED NIGHT AND A WEAK SHORT WAVE WILL MOVE ACROSS THE FORECAST AREA. EAST TO SOUTHEAST UPSLOPE FLOW WILL CONTINUE AT THE SURFACE THIS EVENING AND OVERNIGHT AS SURFACE LOW MOVES FROM EASTERN CO INTO WRN KS. LOW AND MID LEVEL MOISTURE ASSOCIATED WITH THE UPPER TROUGH WILL BE OVER THE AREA. LIS THIS EVENING WILL BE FROM 0 TO -2. WILL CONTINUE WITH SCATTERED SHOWERS AND THUNDERSTORMS ACROSS THE FORECAST AREA THIS EVENING. FOR WED...THUNDERSTORM ACTIVITY WILL BE LIMITED TO THE SOUTHERN LARAMIE RANGE WHILE THE REST OF THE AREA REMAINS DRY. HIGH TEMPERATURES WED WILL BE FROM 3 TO 5 DEGREES BELOW NORMAL. .LONG TERM...THURSDAY THROUGH WEDNESDAY. A BROAD FLAT UPPER RIDGE HOLDS OVER THE HIGH PLAINS AND EASTERN SLOPES OF THE ROCKIES THURSDAY AND INTO FRIDAY. THIS WILL KEEP POPS LOW AND TEMPERATURES NEAR NORMAL. ON SATURDAY THE RIDGE IS EXPECTED TO SHIFT EASTWARD OUT ONTO THE PLAINS AND ALLOW THE RETURN OF A SOUTHWESTERLY MONSOONAL FLOW THROUGH THE REMAINDER OF THE PERIOD. SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS WILL BE NORMAL SATURDAY THROUGH WEDNESDAY DEVELOPING ON THE WESTERN SLOPES OF THE MOUNTAINS THEN SLIDING TO THE NORTHEAST BEFORE DISSIPATING DURING THE EVENING HOURS. && .CYS WATCHES/WARNINGS/ADVISORIES... WY...NONE. NE...NONE. && SHORT TERM...DAUGHERTY LONG TERM....COPLEY
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 940 AM MDT TUE AUG 1 2006 WYZ061>067-069-021100- SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE-NORTH LARAMIE RANGE- LARAMIE VALLEY-LARAMIE RANGE-PLATTE-CHEYENNE FOOTHILLS- 940 AM MDT TUE AUG 1 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND THIS EVENING. THE THUNDERSTORMS ARE NOT EXPECTED TO BE SEVERE. SOME STORMS MAY PRODUCE HEAVY RAIN...SMALL HAIL AND GUSTY WINDS UP TO 40 MPH. SEVERE DROUGHT AND HIGH WILDFIRE DANGER WILL CONTINUE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THUNDERSTORMS ARE POSSIBLE EACH AFTERNOON AND EVENING WEDNESDAY THROUGH MONDAY...ESPECIALLY IN AND NEAR THE MOUNTAINS. SEVERE DROUGHT AND HIGH WILDFIRE DANGER WILL CONTINUE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. NEZ001>003-019>021-054-055-WYZ059-060-068-070-021100- SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL- CHEYENNE-CONVERSE-NIOBRARA-GOSHEN-PINE BLUFFS- 940 AM MDT TUE AUG 1 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE AND SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND TONIGHT. THE THUNDERSTORMS ARE NOT EXPECTED TO BECOME SEVERE. SOME STORMS MAY PRODUCE HEAVY RAIN...SMALL HAIL AND GUSTY WINDS UP TO 40 MPH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THUNDERSTORMS ARE POSSIBLE SUNDAY AFTERNOON AND EVENING. SEVERE DROUGHT AND HIGH WILDFIRE DANGER WILL CONTINUE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
Report from Burlington Northern/Santa Fe Railroad of 14 empty coal cars blown off track from microburst wind gust.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wyoming in 2006Every state in 2006This day in weather historyWarnings in Wyoming, August 2006
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: 5525967.