Alert archive / Colorado / Tornado Warnings in 1993
Tornado Warning 45, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jul 23, 1993, 8:52 PM MDT for Yuma County, Colorado. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1993, 8:52 PM MDT (02:52 UTC)
- Expired
- Jul 23, 1993, 9:30 PM MDT
- In force
- 38 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Yuma County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 2.9 hours before the alert went out and 70 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 240252
TORDEN
COC125-240330-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
852 PM MDT FRI JUL 23 1993
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 930 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEASTERN COLORADO
CENTRAL AND EAST CENTRAL YUMA
INCLUDING THE FOLLOWING LOCATIONS
BEECHER ISLAND...HEARTSTRONG...VERNON
AT 850 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A VERY SEVERE THUNDERSTORM 8 MILES SOUTHEAST OF HEARTSTRONG OR 20 MILES
SOUTHWWEST OF WRAY. DOPPLER RADAR CONTINUED TO SHOW THAT THIS STORM ALSO
HAS THE CAPABILITY TO PRODUCE A TORNADO. THIS STORM DROPPED UP TO
TENNIS BALL SIZED HAIL 6 MILES NORTHEAST OF ABARR AT 845 PM MDT.
TENNIS BALL SIZED HAIL AND WINDS UP TO 100 MPH ARE POSSIBLE WITH THIS
DANGEROUS STORM. ALL PERSONS IN CENTRAL AND EAST CENTRAL YUMA SHOULD BE
TAKING COVER AT THIS TIME UNTIL THE STORM PASSES.
THE STORM WAS MOVING EAST AT 20 MPH.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN
THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH
YOUR HANDS.
LAT...LON 3975 10208 3976 10262 3998 10262 3998 10206
IMYWhat forecasters said that day
The local office's own words before this tornado 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, 3:40 PM MDT, 5 hours 12 minutes before
COZ011-012-232215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 340 PM MDT FRI JUL 23 1993 ...VERY STRONG THUNDERSTORM IN EXTREME SOUTH CENTRAL ADAMS COUNTY... AT 330 PM MDT...RADAR INDICATED A VERY STRONG THUNDERSTORM ABOUT 5 MILES NORTH OF THE TOWN OF STRASBURG...MOVING NORTHEAST AT 25 MPH. HEAVY RAIN...INTENSE LIGHTNING WILL BE LIKELY AND STRONG WINDS OR HAIL WILL BE POSSIBLE WITH THIS STORM THROUGH 415 PM AS IT MOVES ALONG OR JUST NORTH OF HIGHWAY 36 BETWEEN STRASBURG AND HOYT. IF YOU ARE IN THIS AREA...BE READY TO TAKE COVER. TUNE INTO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA FOR THE LATEST INFORMATION. DULONG
Special weather statement, Jul 23, 3:58 PM MDT, 4 hours 54 minutes before
COZALL-240400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 400 PM MDT FRI JUL 23 1993 ...SNOW NORTHERN COLORADO MOUNTAINS LATE TONIGHT AND EARLY SATURDAY... A STRONG SUMMER STORM WILL SPREAD WIND...RAIN AND THUNDERSTORMS ACROSS THE COLORADO MOUNTAINS TONIGHT AND SATURDAY MORNING. AS FREEZING LEVELS LOWER RAIN WILL LIKELY CHANGE TO SNOW ABOVE 10 THOUSAND FEET OVER THE NORTHERN COLORADO MOUNTAINS LATE TONIGHT AND EARLY SATURDAY. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE. GUSTY WEST TO SOUTHWEST WINDS AT 15 TO 30 MPH OVER HIGHER ELEVATIONS WILL PRODUCE VERY COLD WIND CHILL TEMPERATURES OF ZERO TO 10 ABOVE ZERO. ALL PEOPLE PARTICIPATING IN OR PLANNING OUTDOOR ACTIVITIES INCLUDING HIKING...CAMPING AND MOUNTAIN CLIMBING OVER THE NORTHERN COLORADO MOUNTAINS...INCLUDING ROCKY MOUNTAIN NATIONAL PARK...LATE TONIGHT AND EARLY SATURDAY SHOULD BE PREPARED FOR UNUSUALLY COLD WEATHER AND LIGHT SNOW AT ELEVATIONS ABOVE 10 THOUSAND FEET. WARM CLOTHING WILL BE NEEDED FOR ALL OUTDOOR ACTIVITIES. THE LIGHT SNOW SHOULD MELT ON WARM HIGHWAY SURFACES AND NOT POSE A HAZARD TO TRAVEL ON THE MAJOR MOUNTAIN PASSES WEST AND NORTHWEST OF DENVER. GARD...WSFO DENVER
Special weather statement, Jul 23, 4:00 PM MDT, 4 hours 52 minutes before
COZALL-240400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 400 PM MDT FRI JUL 23 1993 ...SNOW NORTHERN COLORADO MOUNTAINS LATE TONIGHT AND EARLY SATURDAY... A STRONG SUMMER STORM WILL SPREAD WIND...RAIN AND THUNDERSTORMS ACROSS THE COLORADO MOUNTAINS TONIGHT AND SATURDAY MORNING. AS FREEZING LEVELS LOWER RAIN WILL LIKELY CHANGE TO SNOW ABOVE 10 THOUSAND FEET OVER THE NORTHERN COLORADO MOUNTAINS LATE TONIGHT AND EARLY SATURDAY. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE. GUSTY WEST TO SOUTHWEST WINDS AT 15 TO 30 MPH OVER HIGHER ELEVATIONS WILL PRODUCE VERY COLD WIND CHILL TEMPERATURES OF ZERO TO 10 ABOVE ZERO. ALL PEOPLE PARTICIPATING IN OR PLANNING OUTDOOR ACTIVITIES INCLUDING HIKING...CAMPING AND MOUNTAIN CLIMBING OVER THE NORTHERN COLORADO MOUNTAINS...INCLUDING ROCKY MOUNTAIN NATIONAL PARK...LATE TONIGHT AND EARLY SATURDAY SHOULD BE PREPARED FOR UNUSUALLY COLD WEATHER AND LIGHT SNOW AT ELEVATIONS ABOVE 10 THOUSAND FEET. WARM CLOTHING WILL BE NEEDED FOR ALL OUTDOOR ACTIVITIES. THE LIGHT SNOW SHOULD MELT ON WARM HIGHWAY SURFACES AND NOT POSE A HAZARD TO TRAVEL ON THE MAJOR MOUNTAIN PASSES WEST AND NORTHWEST OF DENVER. GARD...WSFO DENVER
Special weather statement, Jul 23, 8:04 PM MDT, 48 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, 47 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, 42 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
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, 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 |
| Jul 23, 10:40 PM MDT | Flash Flood Warning | BOU | Washington, Yuma | 3 hr |
Nearby
Tornado Warnings in Colorado, 1993Every tornado warning in 1993Tornadoes 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.