Alert archive / Nebraska / Flash Flood Warnings in 2004
Flash Flood Warning 3, NWS Cheyenne, WY
NWS Cheyenne, WY issued this flash flood warning at Jun 30, 2004, 5:50 PM MDT for Dawes County, Nebraska. It was in force for 115 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
- Jun 30, 2004, 5:50 PM MDT (23:50 UTC)
- Expired
- Jun 30, 2004, 7:45 PM MDT
- In force
- 115 min
- Issued by
- NWS Cheyenne, WY
- Area
- Counties, with a storm outline in the text
County Dawes County, NE
The radar
The Rapid City radar (KUDX), 152 km from the middle of the area, began a volume at 23:52 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
Rapid City, SD (KUNR), launched 12:00Z, 11.8 hours before the alert went out and 146 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
- 186 J/kg
- Mixed-layer CIN
- -158 J/kg
- Mixed-layer LCL
- 1809 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 6 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 302350 FFWCYS NEC045-010145- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 550 PM MDT WED JUN 30 2004 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL DAWES COUNTY IN THE PANHANDLE OF NEBRASKA THIS INCLUDES THE CITY OF CHADRON * UNTIL 745 PM MDT * AT 550 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM NEAR CHADRON AIRPORT...OR ABOUT 6 MILES WEST OF CHADRON...MOVING SOUTHWEST AT 10 MPH. * THE THUNDERSTORM PRODUCING FLASH FLOODING WILL BE NEAR... 6 MILES NORTHWEST OF CHIMNEY BUTTE BY 635 PM MDT WHITNEY LAKE BY 640 PM MDT ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES PER HOUR WILL OCCUR. 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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 4274 10285 4295 10294 4286 10344 4255 10338 $$ RUBIN
2 follow-up statements
000 WGUS75 KCYS 010005 FFSCYS NEC045-010100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 605 PM MDT WED JUN 30 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 745 PM MDT FOR CENTRAL DAWES COUNTY... THE PUBLIC HAS REPORTED FLOODING IN AND NEAR CHADRON. AT 605 PM MDT...THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE NEAR CHADRON AIRPORT...OR 6 MILES SOUTHWEST OF CHADRON...AND WERE STATIONARY. SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE WARNED AREA. EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...CHADRON... RIDGEVIEW GOLF CLUB...CHADRON AIRPORT...WHITNEY LAKE...WHITNEY AND CHADRON ST PARK MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. $$ RUBIN
000 WGUS75 KCYS 010057 FFSCYS NEC045-010145- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 657 PM MDT WED JUN 30 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 745 PM MDT FOR CENTRAL DAWES COUNTY IN THE PANHANDLE OF NEBRASKA... THE PUBLIC HAS REPORTED FLOODING IN AND NEAR CHADRON. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED TWO TO FOUR INCHES OF RAIN HAD FALLEN IN A FIVE MILE WIDE SWATH FROM 5 MILES EAST OF CHADRON TO 10 MILES SOUTHWEST OF CHADRON. AT 657 PM MDT...THUNDERSTORMS WITH LIGHT TO MODERATE RAINFALL WERE IN AND NEAR CHADRON. THE THUNDERSTORMS WERE STATIONARY. RAINFALL RATES HAVE DECREASED SINCE 600 PM MDT...BUT THE THREAT OF FLASH FLOODING CONTINUES. SLOW MOVING THUNDERSTORMS HAVE PRODUCED VERY HEAVY RAINFALL IN THE WARNED AREA. EXCESSIVE RAINFALL HAS CAUSED FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE ...CHADRON...HIGHWAYS 20 AND 385 NEAR CHADRON...RIDGEVIEW GOLF CLUB...CHADRON AIRPORT AND WHITNEY. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...CREEKS OR RIVERS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG DRAINAGES DURING THREATENING RAINS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. TO REPORT SEVERE WEATHER...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. $$ RUBIN
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:07 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 53 min |
| Jun 30, 5:17 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 58 min |
Nearby
Flash Flood Warnings in Nebraska, 2004Every flash flood warning in 2004
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.