Flash Flood, Cheyenne
- When
- June 2, 10:15 PM MST to 11:00 PM MST
- Where
- Cheyenne County, 2 mi S of Lodgepole
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 41.117, -102.650
Flooding closed a county road linking Lodgepole to Interstate 80.
Flash Flood in Nebraska, June 2, 2005
1 flash flood, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
What forecasters said that day
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 Jun 2, 4:55 PM MST, 5 hours 20 minutes earlier.
Area forecast discussion, Jun 2, 4:55 PM MST, 5 hours 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
555 PM MDT THU JUN 2 2005
.DISCUSSION...HEAVY RAINFALL CONTINUES OVER THE SOUTHEAST PART OF
THE CWA EARLY THIS EVENING. THE POTENTIAL EXISTS FOR ADDITIONAL
RAINFALL UP TO ONE INCH IN CHEYENNE COUNTY. HAVE ISSUED A FLASH
FLOOD WATCH FOR SOUTHEAST CHEYENNE COUNTY THROUGH LATE EVENING BASED
ON THE ANTICIPATED RAINFALL AND HEAVY RAIN FROM LAST NIGHT.
PREVIOUS DISCUSSION ISSUED AT 246 PM
.SHORT TERM...THROUGH SATURDAY...A WET 48 HOURS IS ON TAP FOR THE
I-80 CORRIDOR AS A LOBE OF ENERGY PIVOTS INTO WESTERN WYOMING
AROUND AN UPPER LOW OVER SASKATCHEWAN/EASTERN MONTANA. SHOWERS AND
THUNDERSTORMS ARE MORE LIKELY NEAREST TO THE PERSISTENT BAROCLINIC
ZONE ALONG THE COLORADO BORDER. FOR THIS EVENING...THE THREAT OF
SEVERE WEATHER IS MAINLY SOUTH OF THE FORECAST AREA...BUT SEVERE
STORMS ARE POSSIBLE IN CHEYENNE COUNTY NEBRASKA. SHOWERS AND
THUNDERSTORMS CONTINUE THROUGH THE NIGHT...WITH COVERAGE
DECREASING AFTER MIDNIGHT. SNOW LEVELS WILL DIP TO 8000 FEET BY
SUNRISE. SO ANY PRECIP THAT LINGERS THROUGH THE NIGHT WILL BE IN
THE FORM OF EARLY JUNE FLAKES ACROSS SOUTHERN PORTIONS OF THE
LARAMIE RANGE. CONVECTION FIRES UP AGAIN TOMORROW AFTERNOON AS THE
AXIS OF THE UPPER TROUGH MOVES INTO SOUTHEAST WYOMING. THE GFS IS
SLOWER WITH TROUGH PASSAGE THAN THE ETA...SO SOME POPS HAVE BEEN
LEFT IN FOR FRIDAY NIGHT AND SATURDAY UNTIL A MODEL CONSENSUS
APPEARS.
.LONG TERM...UPPER LOW WEAKENS SATURDAY NIGHT AS IT MOVES SLOWLY TO
THE EAST OF THE CWA SATURDAY NIGHT PER THE GFS WITH THE ETA BEING
MUCH FASTER. UKMET AND EMCWF ALSO INDICATING THIS WEAK CLOSED LOW
LINGERING LONGER THAN THE ETA...SO HAVE LEANED TOWARD THE GFS
SOLUTION. LEFT LOW POPS IN THE FORECAST FOR SATURDAY EVENING TO
ACCOUNT FOR THIS. ON SUNDAY...DIGGING SYSTEM IN WESTERN U.S. WILL
INDUCE RIDGING OVER WYOMING. DRY...DOWNSLOPE WINDS EXPECTED AT THE
SURFACE. RIDGE HOLDS OVER THE CWA THRU MONDAY WITH WARMEST
TEMPERATURES OF THE PERIOD. SOUTHERLY RETURN FLOW DEVELOPS AT THE
SURFACE AHEAD OF NEXT PIECE OF ENERGY ROUNDING THE BASE OF THE TROF
TUESDAY. PACIFIC FRONT MOVES THRU THE CWA TUESDAY NIGHT WITH
WESTERLY SURFACE WINDS PICKING UP BEHIND THE FRONT. BEST DYNAMICS
AND LIFT ASSOCIATED WITH THIS FEATURE FOCUSED ON NORTHERN
WYOMING...WITH SOUTHERN PORTION OF THE CWA IN DRIER AIRMASS.
TEMPERATURES COOL A FEW DEGREES FOR WEDNESDAY AND THURSDAY WITH BEST
POTENTIAL FOR THUNDERSTORMS REMAINING OVER THE NORTHERN AND WESTERN
PORTIONS OF THE CWA.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...NONE.
NE...FLASH FLOOD WATCH UNTIL 10 PM FOR SOUTHEAST CHEYENNE COUNTY.
ZONE 55.
&&
WEILANDHazardous weather outlook, Jun 2, 5:05 PM MST, 5 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE CHEYENNE WY 605 PM MDT THU JUN 2 2005 NEZ019>021-054-055-WYZ069-070-031130- SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-CHEYENNE FOOTHILLS- PINE BLUFFS- 605 PM MDT THU JUN 2 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF THE WESTERN NEBRASKA PANHANDLE AND SOUTHEAST WYOMING. .DAY ONE...TONIGHT THUNDERSTORMS WILL BE LIKELY OVER THE REGION THROUGH EARLY TONIGHT... ESPECIALLY THE SOUTHERN NEBRASKA PANHANDLE. THE ATMOSPHERE WILL BE MOIST AND UNSTABLE DURING THAT TIME. THE STORMS WILL PRODUCE SMALL HAIL...HEAVY RAIN AND WIND GUSTS TO 50 MPH. ALL OF THE ACTIVITY WILL MOVE EAST AT 20 MPH WITH THE INDIVIDUAL STORMS MOVING TO THE NORTHEAST. DUE TO THE HEAVY RAIN AND HEAVY RAIN THAT FELL LAST NIGHT...A FLASH FLOOD WATCH HAS BEEN ISSUED FOR SOUTHEAST CHEYENNE COUNTY UNTIL 10 PM. ADDITIONAL SHOWERS AND THUNDERSTORMS WILL SPREAD INTO THE AREA AFTER MIDNIGHT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY LATE DAY THUNDERSTORMS ARE POSSIBLE MAINLY ON FRIDAY AND SATURDAY... AND AGAIN BY THE MIDDLE OF NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED IN SOUTHEAST CHEYENNE COUNTY THIS EVENING DUE TO THE POTENTIAL FOR FLOODING OF STREAM AND CREEKS. NEZ001>003-WYZ059>068-031130- SIOUX-DAWES-BOX BUTTE-CONVERSE-NIOBRARA-SOUTHWEST CARBON- NORTH CARBON-SNOWY RANGE-NORTH LARAMIE RANGE-LARAMIE VALLEY- LARAMIE RANGE-PLATTE-GOSHEN- 605 AM MDT THU JUN 2 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...TONIGHT A SCATTERED COVERAGE OF SHOWERS AND THUNDERSTORMS WILL BE OVER THIS AREA TONIGHT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS A CHANCE OF LATE DAY STORMS MAINLY ON FRIDAY AND SATURDAY... AND AGAIN BY THE MIDDLE OF NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. WEILAND
The radar
The Cheyenne radar (KCYS), 181 km away, was scanning. The volume nearest the first event began at 05:13 UTC.
Event by event
1 flash flood. Local standard time, as filed.
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flooding in Montana, June 2 to 5, 2005
- Flood and Hail in Georgia, June 2, 2005
- Tornadoes and Hail in Colorado, June 2, 2005
- Hail in Texas, June 2 to 3, 2005
- Damaging Wind in Florida, June 2, 2005
- Tornado and Hail in Kansas, June 2, 2005
- Hail and Damaging Winds in New Mexico, June 2, 2005
- Tornado and Hail in Colorado, June 2, 2005
- Hail and Damaging Winds in Texas, June 2 to 3, 2005
- Damaging Wind in Alabama, June 2, 2005
- Dense Fog in Kansas, June 2, 2005
- Damaging Winds in Texas, June 2 to 3, 2005
More
Every storm in Nebraska in 2005Every state in 2005This day in weather historyWarnings in Nebraska, June 2005
Sources
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: 5454743.