Alert archive / Nebraska / Flash Flood Warnings in 1993
Flash Flood Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this flash flood warning at Jul 15, 1993, 7:53 PM MDT for Dawes County, Nebraska. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1993, 7:53 PM MDT (01:53 UTC)
- Expired
- Jul 15, 1993, 10:47 PM MDT
- In force
- 3 hr
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Dawes County, NE
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 1.9 hours before the alert went out and 152 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
- 1766 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1400 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 160153
FFWBFF
NEC045-160500-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
753 PM MDT THU JUL 15 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1100 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE PANHANDLE OF NEBRASKA
DAWES
AT 750 PM MDT FLASH FLOODING WAS OCCURING ALONG THE WHITE RIVER IN
DAWES COUNTY. VERY HEAVY RAIN CONTINUES IN DAWES COUNTY.
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS OCCURRING OR
IMMINENT. DO NOT WASTE TIME TRYING TO SAVE PERSONAL PROPERTY...MOVE
TO HIGHER GROUND IMMEDIATELY. DO NOT ATTEMPT TO CROSS FAST MOVING
WATER ON FOOT OR BY AUTOMOBILE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOOD WATERS. IF FLASH FLOODING IS OBSERVED...ACT
QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE THE FLOOD WATERS. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
EMANUELWhat forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 15, 5:52 PM MDT, 2 hours 1 minute before
WYZ007-019-050>052-054>058-062-068>073-160100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 552 PM MDT THU JUL 15 1993 ...A TORNADO WATCH IS IN EFFECT FOR FAR EAST WYOMING UNTIL 11 PM WITH A SEVERE THUNDERSTORM WATCH FOR THE REST OF THE NORTHEAST UNTIL 9 PM... A TORNADO WATCH CONTINUES FOR FAR EASTERN WYOMING UNTIL 11 PM THIS EVENING. THIS WATCH INCLUDES THE CITIES OF CHEYENNE...LUSK...NEWCASTLE ...MOORCROFT...SUNDANCE...TORRINGTON AND WHEATLAND. IN ADDITION...A SEVERE THUNDERSTORM WATCH CONTINUES FOR NORTHEAST WYOMING UNTIL 9 PM THIS EVENING. THIS WATCH INCLUDES THE CITIES OF BUFFALO...GILLETTE...AND SHERIDAN. AS OF 545 PM MDT...NO SEVERE WEATHER HAD OCCURED IN EITHER WATCH AREA. HOWEVER...THE POSSIBILITY STILL EXISTS FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. < PEOPLE IN EXTREME EASTERN WYOMING AS WELL AS THE NORTHEAST SHOULD STAY ALERT TO CHANGING WEATHER CONDITIONS. STAY TUNED TO LOCAL BROADCAST MEDIA OR NOAA WEATHER RADIO FOR CURRENT INFORMATION ON ANY SEVERE WEATHER DEVELOPMENT. WCJIN-WYSE-WYNE DJV
Special weather statement, Jul 15, 5:52 PM MDT, 2 hours 1 minute before
WYZ007-019-050>052-054>058-062-068>073-160100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 552 PM MDT THU JUL 15 1993 ...A TORNADO WATCH IS IN EFFECT FOR FAR EAST WYOMING UNTIL 11 PM WITH A SEVERE THUNDERSTORM WATCH FOR THE REST OF THE NORTHEAST UNTIL 9 PM... A TORNADO WATCH CONTINUES FOR FAR EASTERN WYOMING UNTIL 11 PM THIS EVENING. THIS WATCH INCLUDES THE CITIES OF CHEYENNE...LUSK...NEWCASTLE ...MOORCROFT...SUNDANCE...TORRINGTON AND WHEATLAND. IN ADDITION...A SEVERE THUNDERSTORM WATCH CONTINUES FOR NORTHEAST WYOMING UNTIL 9 PM THIS EVENING. THIS WATCH INCLUDES THE CITIES OF BUFFALO...GILLETTE...AND SHERIDAN. AS OF 545 PM MDT...NO SEVERE WEATHER HAD OCCURED IN EITHER WATCH AREA. HOWEVER...THE POSSIBILITY STILL EXISTS FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. < PEOPLE IN EXTREME EASTERN WYOMING AS WELL AS THE NORTHEAST SHOULD STAY ALERT TO CHANGING WEATHER CONDITIONS. STAY TUNED TO LOCAL BROADCAST MEDIA OR NOAA WEATHER RADIO FOR CURRENT INFORMATION ON ANY SEVERE WEATHER DEVELOPMENT. WCJIN-WYSE-WYNE DJV
Special weather statement, Jul 15, 6:50 PM MDT, 1 hour 3 minutes before
WYZ068>073-160200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 650 PM MDT THU JUL 15 1993 ...A TORNADO WATCH IS IN EFFECT FOR FAR EAST WYOMING UNTIL 11 PM WITH A SEVERE THUNDERSTORM WATCH FOR THE REST OF THE NORTHEAST UNTIL 9 PM... A TORNADO WATCH CONTINUES FOR FAR EASTERN WYOMING UNTIL 11 PM THIS EVENING. THIS WATCH INCLUDES THE CITIES OF CHEYENNE...LUSK...NEWCASTLE ...MOORCROFT...SUNDANCE...TORRINGTON AND WHEATLAND. IN ADDITION...A SEVERE THUNDERSTORM WATCH CONTINUES FOR NORTHEAST WYOMING UNTIL 9 PM THIS EVENING. THIS WATCH INCLUDES THE CITIES OF BUFFALO...GILLETTE...AND SHERIDAN. AS OF 645 PM MDT NO SEVERE WEATHER HAD OCCURRED IN SOUTHEAST WYOMING. RADAR SHOWED LITTLE IN THE WAY OF THUNDERSTORMS OVER THE SOUTHEAST. HOWEVER THE POSSIBILITY STILL EXISTS FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. < STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS. WCJIN-WYSE-WYNE COX
Special weather statement, Jul 15, 6:52 PM MDT, 1 hour 1 minute before
WYZ068>073-160200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 650 PM MDT THU JUL 15 1993 ...A TORNADO WATCH IS IN EFFECT FOR FAR EAST WYOMING UNTIL 11 PM WITH A SEVERE THUNDERSTORM WATCH FOR THE REST OF THE NORTHEAST UNTIL 9 PM... A TORNADO WATCH CONTINUES FOR FAR EASTERN WYOMING UNTIL 11 PM THIS EVENING. THIS WATCH INCLUDES THE CITIES OF CHEYENNE...LUSK...NEWCASTLE ...MOORCROFT...SUNDANCE...TORRINGTON AND WHEATLAND. IN ADDITION...A SEVERE THUNDERSTORM WATCH CONTINUES FOR NORTHEAST WYOMING UNTIL 9 PM THIS EVENING. THIS WATCH INCLUDES THE CITIES OF BUFFALO...GILLETTE...AND SHERIDAN. AS OF 645 PM MDT NO SEVERE WEATHER HAD OCCURRED IN SOUTHEAST WYOMING. RADAR SHOWED LITTLE IN THE WAY OF THUNDERSTORMS OVER THE SOUTHEAST. HOWEVER THE POSSIBILITY STILL EXISTS FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. < STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS. WCJIN-WYSE-WYNE COX
Special weather statement, Jul 15, 7:50 PM MDT, 3 minutes before
WYZ007-019-050>052-054>058-062-068>073-160300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 750 PM MDT THU JUL 15 1993 ...THE SEVERE THUNDERSTORM WATCH FOR MUCH OF THE NORTHEAST HAS BEEN CANCELLED... ...THE TORNADO WATCH HAS BEEN CANCELLED FOR ALL BUT THE EXTREME NORTHEAST... THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR MUCH OF NORTHEAST WYOMING HAS BEEN CANCELLED. IN ADDITION...THE TORNADO WATCH FOR THE EXTREME EAST PART OF WYOMING HAS BEEN CANCELLED...EXCEPT FOR CROOK AND WESTON COUNTIES. FOR CROOK AND WESTON COUNTIES...IN EXTREME NORTHEAST WYOMING...THE TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM. CITIES THAT REMAIN IN THE TORNADO WATCH ARE NEWCASTLE AND SUNDANCE. AT 740 PM...SCATTERED THUNDERSTORMS CONTINUED OVER MUCH OF THE NORTH PART OF THE STATE. THESE STORMS WILL PERSIST FOR THE REST OF THE EVENING IN THE NORTH...BUT SEVERE WEATHER IS NOT LIKELY. WCJIN-WYSE-WYNE WEILAND
Special weather statement, Jul 15, 7:50 PM MDT, 3 minutes before
WYZ007-019-050>052-054>058-062-068>073-160300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 750 PM MDT THU JUL 15 1993 ...THE SEVERE THUNDERSTORM WATCH FOR MUCH OF THE NORTHEAST HAS BEEN CANCELLED... ...THE TORNADO WATCH HAS BEEN CANCELLED FOR ALL BUT THE EXTREME NORTHEAST... THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR MUCH OF NORTHEAST WYOMING HAS BEEN CANCELLED. IN ADDITION...THE TORNADO WATCH FOR THE EXTREME EAST PART OF WYOMING HAS BEEN CANCELLED...EXCEPT FOR CROOK AND WESTON COUNTIES. FOR CROOK AND WESTON COUNTIES...IN EXTREME NORTHEAST WYOMING...THE TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM. CITIES THAT REMAIN IN THE TORNADO WATCH ARE NEWCASTLE AND SUNDANCE. AT 740 PM...SCATTERED THUNDERSTORMS CONTINUED OVER MUCH OF THE NORTH PART OF THE STATE. THESE STORMS WILL PERSIST FOR THE REST OF THE EVENING IN THE NORTH...BUT SEVERE WEATHER IS NOT LIKELY. WCJIN-WYSE-WYNE WEILAND
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 6:01 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sioux | 44 min |
| Jul 15, 6:46 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 44 min |
| Jul 15, 7:30 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 45 min |
| Jul 15, 8:16 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 44 min |
| Jul 15, 8:31 PM MDT | Tornado Warning | CYS | Dawes | 29 min |
| Jul 16, 5:56 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 34 min |
Nearby
Flash Flood Warnings in Nebraska, 1993Every flash flood warning in 1993
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.