Alert archive / Wyoming / Flash Flood Warnings in 2006
Flash Flood Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this flash flood warning at Jul 1, 2006, 2:37 PM MDT for Laramie County, Wyoming. It was in force for 113 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2006, 2:37 PM MDT (20:37 UTC)
- Expired
- Jul 1, 2006, 4:30 PM MDT
- In force
- 113 min
- Issued by
- NWS Cheyenne, WY
- Area
- Counties, with a storm outline in the text
County Laramie County, WY
The radar
The Cheyenne radar (KCYS), 31 km from the middle of the area, began a volume at 20:37 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
Denver, CO (KDNR), launched 12:00Z, 8.6 hours before the alert went out and 223 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
- 21 J/kg
- Mixed-layer CIN
- -377 J/kg
- Mixed-layer LCL
- 2720 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KCYS 012040 FFWCYS WYC021-012230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 237 PM MDT SAT JUL 1 2006 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * FLASH FLOOD WARNING FOR... WEST CENTRAL LARAMIE COUNTY IN SOUTHEAST WYOMING * UNTIL 430 PM MDT * AT 231 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. WATER WAS RUNNING OVER HAPPY JACK ROAD IN NUMEROUS PLACES IN WESTERN LARAMIE COUNTY...IN SOME CASES THE WATER WAS A FOOT DEEP. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CURT GOWDY STATE PARK DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. LAT...LON 4112 10526 4113 10500 4141 10500 4143 10528 $$
4 follow-up statements
000 WGUS75 KCYS 012104 FFSCYS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 303 PM MDT SAT JUL 1 2006 WYC021-012230- CHEYENNE- 303 PM MDT SAT JUL 1 2006 ...FLASH FLOOD WARNING CONTINUES FOR WEST CENTRAL LARAMIE COUNTY UNTIL 430 PM MDT... THOUGH RAIN HAS STOPPED OVER FAR WESTERN LARAMIE COUNTY...WATER CONTINUES TO FLOW OVER HAPPY JACK ROAD AND OTHER ROADS IN AND NEAR CURT GOWDY STATE PARK. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY OR DRIVE AROUND ANY BARRICADES. LAT...LON 4112 10526 4113 10500 4141 10500 4143 10528 $$
000 WGUS75 KCYS 012105 CCA FFSCYS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 303 PM MDT SAT JUL 1 2006 WYC021-012230- LARAMIE- 303 PM MDT SAT JUL 1 2006 ...FLASH FLOOD WARNING CONTINUES FOR WEST CENTRAL LARAMIE COUNTY UNTIL 430 PM MDT... THOUGH RAIN HAS STOPPED OVER FAR WESTERN LARAMIE COUNTY...WATER CONTINUES TO FLOW OVER HAPPY JACK ROAD AND OTHER ROADS IN AND NEAR CURT GOWDY STATE PARK. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY OR DRIVE AROUND ANY BARRICADES. LAT...LON 4112 10526 4113 10500 4141 10500 4143 10528 $$
000 WGUS75 KCYS 012201 FFSCYS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 351 PM MDT SAT JUL 1 2006 WYC021-012230- LARAMIE WY- 351 PM MDT SAT JUL 1 2006 ...A FLASH FLOOD WARNING FOR EXCESSIVE RAIN REMAINS IN EFFECT UNTIL 430 PM MDT FOR WEST CENTRAL LARAMIE COUNTY... AT 351 PM MDT THE RAINFALL HAD ENDED ACROSS MOST OF THE WARNING AREA. HOWEVER...LAW ENFORCEMENT HAS REPORTED SEVERE WASH-AWAY DAMAGE TO COUNTY ROADS 110 AND 110-A NEAR THEIR INTERSECTIONS WITH HAPPY JACK ROAD ABOUT 15 MILES WEST OF CHEYENNE. THESE ROADS ARE IMPASSABLE UNTIL REPAIRS CAN BE MADE. OTHER NEARBY ROADWAYS HAVE LIKELY BEEN AFFECTED...SO USE EXTREME CAUTION IF DRIVING IN WEST CENTRAL LARAMIE COUNTY...AND NEVER DRIVE INTO FLOODED ROADWAYS. AFFECTED LOCATIONS INCLUDE FEDERAL...HORSE CREEK...GRANITE SPRINGS RESERVOIR AND CRYSTAL LAKE RESERVOIR. LAT...LON 4112 10526 4113 10500 4141 10500 4143 10528 $$ SOWKO
000 WGUS75 KCYS 012228 FFSCYS FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 424 PM MDT SAT JUL 1 2006 WYC021-012234- LARAMIE WY- 424 PM MDT SAT JUL 1 2006 ...THE FLASH FLOOD WARNING FOR EXCESSIVE RAIN WILL EXPIRE AT 430 PM MDT FOR WEST CENTRAL LARAMIE COUNTY... STORMS HAVE ENDED ACROSS THE WARNING AREA...THUS THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER...LAW ENFORCEMENT HAS REPORTED SEVERE WASH-AWAY DAMAGE TO COUNTY ROADS 110 AND 110-A NEAR THEIR INTERSECTIONS WITH HAPPY JACK ROAD ABOUT 15 MILES WEST OF CHEYENNE. THESE ROADS ARE IMPASSABLE UNTIL REPAIRS CAN BE MADE. OTHER NEARBY ROADWAYS HAVE LIKELY BEEN AFFECTED...SO CONTINUE TO USE EXTREME CAUTION IF DRIVING IN WEST CENTRAL LARAMIE COUNTY THIS EVENING...AND NEVER DRIVE INTO FLOODED ROADWAYS. LAT...LON 4112 10526 4113 10500 4141 10500 4143 10528 $$ SOWKO
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 2:05 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 55 min |
| Jul 1, 2:19 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 56 min |
Nearby
Flash Flood Warnings in Wyoming, 2006Every flash flood warning in 2006
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.