Alert archive / Colorado / Flash Flood Warnings in 1993
Flash Flood Warning 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this flash flood warning at Jul 23, 1993, 10:40 PM MDT for Washington County, Yuma County, Colorado. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1993, 10:40 PM MDT (04:40 UTC)
- Expired
- Jul 24, 1993, 1:30 AM MDT
- In force
- 3 hr
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Washington County, CO, Yuma County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 4.7 hours before the alert went out and 38 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
- 380 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 2185 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -94 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 240437
FFWDEN
COC121-125-240730-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
1040 PM MDT FRI JUL 23 1993
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A FLASH FLOOD
WARNING EFFECTIVE UNTIL 130 AM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEASTERN COLORADO
WASHINGTON AND YUMA
INCLUDING THE FOLLOWING LOCATIONS
ABARR...AKRON...ALVIN...ANTON...ARICKAREE SCHOOL...BEECHER
ISLAND...COPE...ECKLEY...ELBA...HEARTSTRONG...IDALIA...JOES
...KIRK...LAIRD...OTIS...PLATNER...VERNON...WAUNETA...WRAY
AND YUMA
AT 1035PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAINS CONTINUING ACROSS MOST OF YUMA AND WASHINGTON COUNTIES.
RADAR INDICATES THAT 2 TO 4 INCHES OF RAIN HAS FALLEN ACROSS MUCH OF
THIS AREA THIS EVENING. MORE HEAVY RAINFALL IS EXPECTED TO MOVE ACROSS
THESE TWO COUNTIES FOR THE NEXT COUPLE OF HOURS.
FLASH FLOODING OF SMALL CREEKS AND STREAMS...LOW LYING AREAS...
HIGHWAYS...ROADS...AND UNDERPASSES ARE LIKELY. NEAR THE TOWN
OF YUMA...THE COUNTY EMERGENCY MANAGER REPORTED WATER 5 TO 6 INCHES
DEEP ON SOME STREETS.
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. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOhUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND
SEEK HIGHER GROUND.
LAT...LON 3964 10207 3959 10340 4024 10330 4041 10206
IMYWhat 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 23, 8:04 PM MDT, 2 hours 36 minutes before
COZ012-013-240400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 810 PM MDT FRI JUL 23 1993 ...PART OF TORNADO WATCH AREA CANCELLED... THE TORNADO WATCH HAS BEEN CANCELLED FOR WESTERN AND CENTRAL WELD COUNTY. THIS MEANS THAT GREELEY AND SURROUNDING COMMUNITIES ARE NO LONGER IN THE WATCH AREA. THE TORNADO WATCH IS CONTINUING UNTIL MIDNIGHT FOR THE FOLLOWING COUNTIES...CENTRAL AND EASTERN ADAMS...CENTRAL AND EASTERN ARAPAHOE... LOGAN...MORGAN...PHILLIPS...SEDGWICK...WASHINGTON...NORTHEASTERN WELD...YUMA...NORTHERN ELBERT...NORTHERN KIT CARSON...AND EXTREME NORTHERN LINCOLN. CITIES AND TOWNS STILL IN THE WATCH AREA INCLUDE...KIOWA...DEER TRAIL... BENNETT..WRAY...AKRON.. .FORT MORGAN...HOLYOKE...AND STERLING. IF YOU ARE IN THE TORNADO WATCH AREA...REMAIN ALERT FOR THE POSSIBILITIES OF SEVERE THUNDERSTORMS PRODUCING LARGE HAIL...STRONG DAMAGING WINDS...AND TORNADOS. HOLZINGER
Special weather statement, Jul 23, 8:05 PM MDT, 2 hours 35 minutes before
COZ011>012-240230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 810 PM MDT FRI JUL 23 1993 AT 808 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS DEVELOPING FROM NORTHWEST WASHINGTON COUNTY INTO EXTREME SOUTHEAST MORGAN COUNTY THEN SOUTHWESTWARD INTO NORTHEAST ADAMS AND SOUTH CENTRAL ARAPAHOE COUNTIES. AT THIS TIME...THE STORMS IN EASTERN WASHINGTON COUNTY MOVING INTO WESTERN YUMA COUNTY ARE MUCH MORE INTENSE. THIS LINE OF STORMS ARE EXPECTED TO CONTINUE TO SLOWLY INTENSIFY AS THEY MOVE EAST AT 15 TO 20 MPH. LAT...LON 3985 10338 3954 10464 4007 10367 4041 10325 IMY
Special weather statement, Jul 23, 8:10 PM MDT, 2 hours 30 minutes before
COZ012-013-240400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 810 PM MDT FRI JUL 23 1993 ...PART OF TORNADO WATCH AREA CANCELLED... THE TORNADO WATCH HAS BEEN CANCELLED FOR WESTERN AND CENTRAL WELD COUNTY. THIS MEANS THAT GREELEY AND SURROUNDING COMMUNITIES ARE NO LONGER IN THE WATCH AREA. THE TORNADO WATCH IS CONTINUING UNTIL MIDNIGHT FOR THE FOLLOWING COUNTIES...CENTRAL AND EASTERN ADAMS...CENTRAL AND EASTERN ARAPAHOE... LOGAN...MORGAN...PHILLIPS...SEDGWICK...WASHINGTON...NORTHEASTERN WELD...YUMA...NORTHERN ELBERT...NORTHERN KIT CARSON...AND EXTREME NORTHERN LINCOLN. CITIES AND TOWNS STILL IN THE WATCH AREA INCLUDE...KIOWA...DEER TRAIL... BENNETT..WRAY...AKRON...FORT MORGAN...HOLYOKE...AND STERLING. IF YOU ARE IN THE TORNADO WATCH AREA...REMAIN ALERT FOR THE POSSIBILITIES OF SEVERE THUNDERSTORMS PRODUCING LARGE HAIL...STRONG DAMAGING WINDS...AND TORNADOS. HOLZINGER
Special weather statement, Jul 23, 10:05 PM MDT, 35 minutes before
COZ012-013-240600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1010 PM MDT FRI JUL 23 1993 ...ANOTHER SECTION OF THE TORNADO WATCH HAS BEEN CANCELLED... THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... MORGAN...NORTHEASTERN WELD...CENTRAL AND EASTERN ADAMS...CENTRAL AND EASTERN ARAPAHOE...LOGAN...PHILLIPS...SEDGWICK...AND NORTHERN ELBERT COUNTIES. THE TORNADO WATCH IS CONTINUING UNTIL MIDNIGHT FOR WASHINGTON...YUMA... EXTREME NORTHERN LINCOLN...AND NORTHERN KIT CARSON COUNTIES. TOWNS AND CITIES STILL IN THE WATCH AREA INCLUDE WRAY AND AKRON. IF YOU ARE STILL IN THE TORNADO WATCH AREA...CONTINUE TO BE PREPARED FOR THE POSSIBILITY OF TORNADOS. BE PREPARED TO TAKE SHELTER IF THUNDERSTORMS ARE IN YOUR AREA. HOLZINGER
Special weather statement, Jul 23, 10:10 PM MDT, 30 minutes before
COZ012-013-240600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 1010 PM MDT FRI JUL 23 1993 ...ANOTHER SECTION OF THE TORNADO WATCH HAS BEEN CANCELLED... THE TORNADO WATCH HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... MORGAN...NORTHEASTERN WELD...CENTRAL AND EASTERN ADAMS...CENTRAL AND EASTERN ARAPAHOE...LOGAN...PHILLIPS...SEDGWICK...AND NORTHERN ELBERT COUNTIES. THE TORNADO WATCH IS CONTINUING UNTIL MIDNIGHT FOR WASHINGTON...YUMA... EXTREME NORTHERN LINCOLN...AND NORTHERN KIT CARSON COUNTIES. TOWNS AND CITIES STILL IN THE WATCH AREA INCLUDE WRAY AND AKRON. IF YOU ARE STILL IN THE TORNADO WATCH AREA...CONTINUE TO BE PREPARED FOR THE POSSIBILITY OF TORNADOS. BE PREPARED TO TAKE SHELTER IF THUNDERSTORMS ARE IN YOUR AREA. HOLZINGER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 6:32 PM MDT | Tornado Warning | BOU | Morgan, Washington | 28 min |
| Jul 23, 6:59 PM MDT | Tornado Warning | BOU | Washington | 46 min |
| Jul 23, 7:31 PM MDT | Tornado Warning | BOU | Washington | 29 min |
| Jul 23, 8:00 PM MDT | Tornado Warning | BOU | Washington, Yuma | 30 min |
| Jul 23, 8:20 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 25 min |
| Jul 23, 8:29 PM MDT | Tornado Warning | BOU | Washington | 31 min |
| Jul 23, 8:33 PM MDT | Tornado Warning | BOU | Yuma | 27 min |
| Jul 23, 8:52 PM MDT | Tornado Warning | BOU | Yuma | 38 min |
| Jul 23, 9:00 PM MDT | Tornado Warning | BOU | Washington | 45 min |
| Jul 23, 9:18 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 27 min |
| Jul 23, 9:38 PM MDT | Flash Flood Warning | BOU | Yuma | 52 min |
| Jul 23, 9:38 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 52 min |
| Jul 23, 9:45 PM MDT | Flash Flood Warning | BOU | Washington | 60 min |
| Jul 23, 9:45 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 60 min |
| Jul 23, 10:30 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 30 min |
Nearby
Flash Flood Warnings in Colorado, 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.