Alert archive / Colorado / Tornado Warnings in 1993
Tornado Warning 37, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jul 23, 1993, 5:25 PM MDT for Weld County, Colorado. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jul 23, 1993, 5:25 PM MDT (23:25 UTC)
- Expired
- Jul 23, 1993, 6:00 PM MDT
- In force
- 35 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Weld County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 11.4 hours before the alert went out and 125 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1262 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -102 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 232326
TORDEN
COC123-240000-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
525 PM MDT FRI JUL 23 1993
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 600 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEASTERN COLORADO
SOUTHERN WELD
INCLUDING THE FOLLOWING LOCATIONS
DACONO...EVANS...FIRESTONE...FORT LUPTON...FREDERICK...
GARDEN CITY...GILCREST...HUDSON...KEENESBURG...KERSEY...LA
SALLE...MILLIKEN...MILTON RESERVOIR...PECKHAM...PLATTEVILLE
...PROSPECT VALLEY...RIVERSIDE RESERVOIR AND ROGGEN
AT 525 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A POSSIBLE TORNADO OVER GILCREST ...OR ABOUT 12 MILES SOUTH OF
GREELEY.
THE PUBLIC REPORTED A POSSIBLE TORNADO IN THIS AREA.
THE STORM WAS MOVING EAST AT 25 MPH.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET
UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY
FROM WINDOWS.
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.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TpO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
DULONG
LAT...LON 4004 10417 4005 10492 4037 10489 4041 10419What 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
Local storm report, Jul 23, 12:37 PM MDT, 4 hours 48 minutes before
STORM REPORT...UPDATED TO ADD 1930 REPORT...
NATIONAL WEATHER SERVICE DENVER CO
1235 PM FRI JULY 23 1993
...ALL REPORTS VALID FOR THURSDAY JULY 22 1993...
TIME COUNTY/LOCATION EVENT
1730-1800 ADAMS/4 MILES NORTH OF OCCASIONAL MARBLE TO WALNUT
SHAMROCK SIZE HAIL RESULTED IN
CONSIDERABLE DAMAGE TO WHEAT
CROP
1740-1755 MORGAN/16 TO 20 MILES WALNUT TO GOLFBALL SIZE HAIL
SOUTH OF FORT MORGAN RESULTED IN CROP DAMAGE
1800 WASHINGTON/WOODROW HAIL A LITTLE LARGER THAN
DIME SIZE
1840 WASHINGTON/3 MILES EAST HAIL A LITTLE SMALLER THAN
OF WOODROW GOLFBALL
1930 WASHINGTON/10 MILES GOLFBALL SIZE HAIL
SOUTH OF AKRON
HEITKAMPLocal storm report, Jul 23, 12:37 PM MDT, 4 hours 48 minutes before
STORM REPORT...UPDATED TO ADD 1930 REPORT...
NATIONAL WEATHER SERVICE DENVER CO
1235 PM FRI JULY 23 1993
...ALL REPORTS VALID FOR THURSDAY JULY 22 1993...
TIME COUNTY/LOCATION EVENT
1730-1800 ADAMS/4 MILES NORTH OF OCCASIONAL MARBLE TO WALNUT
SHAMROCK SIZE HAIL RESULTED IN
CONSIDERABLE DAMAGE TO WHEAT
CROP
1740-1755 MORGAN/16 TO 20 MILES WALNUT TO GOLFBALL SIZE HAIL
SOUTH OF FORT MORGAN RESULTED IN CROP DAMAGE
1800 WASHINGTON/WOODROW HAIL A LITTLE LARGER THAN
DIME SIZE
1840 WASHINGTON/3 MILES EAST HAIL A LITTLE SMALLER THAN
OF WOODROW GOLFBALL
1930 WASHINGTON/10 MILES GOLFBALL SIZE HAIL
SOUTH OF AKRON
HEITKAMPSpecial weather statement, Jul 23, 3:38 PM MDT, 1 hour 47 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, 3:40 PM MDT, 1 hour 45 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, 1 hour 27 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, 1 hour 25 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
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 6:15 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 30 min |
| Jul 22, 7:13 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 32 min |
| Jul 22, 9:40 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Weld | 35 min |
| Jul 23, 5:13 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 32 min |
| Jul 23, 5:48 PM MDT | Tornado Warning | BOU | Morgan, Washington | 42 min |
| Jul 23, 5:56 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 34 min |
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.