Alert archive / Colorado / Tornado Warnings in 1993
Tornado Warning 11, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 23, 1993, 6:50 PM MDT for Washington County, Colorado. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1993, 6:50 PM MDT (00:50 UTC)
- Expired
- Jun 23, 1993, 7:15 PM MDT
- In force
- 25 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Washington County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.8 hours before the alert went out and 11 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
- NaN m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 10.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 240051
TORDEN
COC121-240115-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
650 PM MDT WED JUN 23 1993
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 715 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEASTERN COLORADO
CENTRAL WASHINGTON
INCLUDING THE FOLLOWING LOCATIONS
AKRON...ELBA AND PLATNER
AT 650 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A POSSIBLE TORNADO 16 MILES WEST OF ELBA ...OR ABOUT 49 MILES
NORTH OF LIMON.
AMATEUR RADIO WEATHER SPOTTERS REPORTED A FUNNEL CLOUD IN THE
SAME AREA ABOUT 16 MILES WEST OF ELBA.
THE STORM WAS MOVING TO THE EAST NORTHEAST AT 25 TO 30 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 TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
LAT...LON 3986 10300 3983 10359 3999 10348 4025 10309What 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, Jun 23, 2:44 PM MDT, 4 hours 6 minutes before
COZ011-012-013-240000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 245 PM MDT WED JUN 23 1993 ...TORNADO WATCHES COVER ALL OF NORTHEAST COLORADO WELL INTO THIS EVENING... AT 245 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW SHOWERS AND THUNDERSTORMS DEVELOPING IN LARIMER COUNTY. THE MAJORITY OF THE ACTIVITY WAS NORTH OF FORT COLLINS. THESE STORMS WERE MOVING EAST-NORTHEAST AT 15 TO 25 MPH. NO REPORTS OF ANY SEVERE WEATHER HAVE BEEN RECEIVED WITH THESE STORMS. CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF MORE THUNDERSTORMS INTO THIS AFTERNOON AND INTO THIS EVENING. THE POTENTIAL FOR STORMS THAT PRODUCE LARGE HAIL...DAMAGING WINDS...AND POSSIBLY A FEW TORNADOES IS QUITE HIGH. BE SURE TO ALERT EVERYONE AROUND YOU...ESPECIALLY THE VISUALLY AND HEARING IMPAIRED AND THE ELDERLY...OF THE THREAT OF SEVERE WEATHER. REMEMBER A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHEAST COLORADO UNTIL 8 PM MDT. WHILE AREAS ALONG THE NORTHEAST BORDER ARE UNDER A TORNADO WATCH UNTIL 10 PM MDT. HEITKAMP
Special weather statement, Jun 23, 2:45 PM MDT, 4 hours 5 minutes before
COZ011-012-013-240000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 245 PM MDT WED JUN 23 1993 ...TORNADO WATCHES COVER ALL OF NORTHEAST COLORADO WELL INTO THIS EVENING... AT 245 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW SHOWERS AND THUNDERSTORMS DEVELOPING IN LARIMER COUNTY. THE MAJORITY OF THE ACTIVITY WAS NORTH OF FORT COLLINS. THESE STORMS WERE MOVING EAST-NORTHEAST AT 15 TO 25 MPH. NO REPORTS OF ANY SEVERE WEATHER HAVE BEEN RECEIVED WITH THESE STORMS. CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF MORE THUNDERSTORMS INTO THIS AFTERNOON AND INTO THIS EVENING. THE POTENTIAL FOR STORMS THAT PRODUCE LARGE HAIL...DAMAGING WINDS...AND POSSIBLY A FEW TORNADOES IS QUITE HIGH. BE SURE TO ALERT EVERYONE AROUND YOU...ESPECIALLY THE VISUALLY AND HEARING IMPAIRED AND THE ELDERLY...OF THE THREAT OF SEVERE WEATHER. REMEMBER A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHEAST COLORADO UNTIL 8 PM MDT. WHILE AREAS ALONG THE NORTHEAST BORDER ARE UNDER A TORNADO WATCH UNTIL 10 PM MDT. HEITKAMP
Special weather statement, Jun 23, 3:37 PM MDT, 3 hours 13 minutes before
COZ012-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 337 PM MDT WED JUN 23 1993 ...STRONG THUNDERSTORM IN NORTHEAST WELD COUNTY... AT 337 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 20 MILES WEST OF WESTPLAINS...OR ABOUT 40 MILES NORTHWEST OF STERLING. THIS STORM WAS MOVING TO THE EAST-NORTHEAST AT 15 TO 20 MPH AND WILL BE IN NORTHWEST LOGAN COUNTY BY 4 PM MDT. THIS STORM IS CAPABLE OF PRODUCING BRIEF HEAVY RAIN...FREQUENT LIGHTNING...AND SMALL HAIL. IF YOU LIVE NEAR WESTPLAINS OR ELSEWHERE IN NORTHEAST WELD OR NORTHWEST LOGAN COUNTIES...BE ON THE LOOKOUT FOR THIS STORM. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...AND/OR TELEVISION FOR FURTHER UPDATES. REMEMBER TORNADO WATCHES ARE IN EFFECT FOR ALL OF NORTHEAST COLORADO WELL INTO THIS EVENING. HEITKAMP
Special weather statement, Jun 23, 3:39 PM MDT, 3 hours 11 minutes before
COZ012-232200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 337 PM MDT WED JUN 23 1993 ...STRONG THUNDERSTORM IN NORTHEAST WELD COUNTY... AT 337 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 20 MILES WEST OF WESTPLAINS...OR ABOUT 40 MILES NORTHWEST OF STERLING. THIS STORM WAS MOVING TO THE EAST-NORTHEAST AT 15 TO 20 MPH AND WILL BE IN NORTHWEST LOGAN COUNTY BY 4 PM MDT. THIS STORM IS CAPABLE OF PRODUCING BRIEF HEAVY RAIN...FREQUENT LIGHTNING...AND SMALL HAIL. IF YOU LIVE NEAR WESTPLAINS OR ELSEWHERE IN NORTHEAST WELD OR NORTHWEST LOGAN COUNTIES...BE ON THE LOOKOUT FOR THIS STORM. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...AND/OR TELEVISION FOR FURTHER UPDATES. REMEMBER TORNADO WATCHES ARE IN EFFECT FOR ALL OF NORTHEAST COLORADO WELL INTO THIS EVENING. HEITKAMP
Special weather statement, Jun 23, 6:40 PM MDT, 10 minutes before
COZ012-240100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 640 PM MDT WED JUN 23 1993 ...HEAVY RAIN IN MORGAN COUNTY... AT 635 PM MDT HEAVY RAIN WAS REPORTED IN MORGAN COUNTY IN THE WESTERN END OF THE TOWN OF BRUSH COLORADO. 1/2 INCH OF RAIN HAS FALLEN IN 15 MINUTES AND HAS CAUSED LOCAL STREET FLOODING. RADAR AND SATELLITE PICTURES SHOW A LINE OF THUNDERSTORMS EXTENDING FROM NEBRASKA ACROSS THE NORTHEAST CORNER OF COLORADO THROUGH SEDGWICK COUNTY TO EXTREME EASTERN ADAMS COUNTY. THE STRONGEST OF THESE THUNDERSTORMS WERE IN SEDGWICK...LOGAN AND MORGAN COUNTIES. PEOPLE IN NORTHEAST COLORADO SHOULD MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER IS IN YOUR AREA. REMEMBER A TORNADO WATCH IS IN EFFECT FOR NORTHEAST COLORADO LATE THIS EVENING. MOTORISTS DRIVE WITH CAUTION IF YOU ENCOUNTER RAIN. LOCALIZED FLOODING OF ROADS IS POSSIBLE ESPECIALLY IN LOW LYING AREAS. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...AND/OR TELEVISION FOR FURTHER UPDATES. GCF
Special weather statement, Jun 23, 6:41 PM MDT, 9 minutes before
COZ012-240100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 640 PM MDT WED JUN 23 1993 ...HEAVY RAIN IN MORGAN COUNTY... AT 635 PM MDT HEAVY RAIN WAS REPORTED IN MORGAN COUNTY IN THE WESTERN END OF THE TOWN OF BRUSH COLORADO. 1/2 INCH OF RAIN HAS FALLEN IN 15 MINUTES AND HAS CAUSED LOCAL STREET FLOODING. RADAR AND SATELLITE PICTURES SHOW A LINE OF THUNDERSTORMS EXTENDING FROM NEBRASKA ACROSS THE NORTHEAST CORNER OF COLORADO THROUGH SEDGWICK COUNTY TO EXTREME EASTERN ADAMS COUNTY. THE STRONGEST OF THESE THUNDERSTORMS WERE IN SEDGWICK...LOGAN AND MORGAN COUNTIES. PEOPLE IN NORTHEAST COLORADO SHOULD MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER IS IN YOUR AREA. REMEMBER A TORNADO WATCH IS IN EFFECT FOR NORTHEAST COLORADO LATE THIS EVENING. MOTORISTS DRIVE WITH CAUTION IF YOU ENCOUNTER RAIN. LOCALIZED FLOODING OF ROADS IS POSSIBLE ESPECIALLY IN LOW LYING AREAS. CONTINUE TO MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...AND/OR TELEVISION FOR FURTHER UPDATES. GCF
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 6:15 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 30 min |
| Jun 23, 6:17 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Morgan, Washington | 28 min |
| Jun 23, 6:53 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Yuma | 37 min |
| Jun 23, 6:53 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 37 min |
| Jun 23, 7:20 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 40 min |
| Jun 23, 7:31 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 29 min |
| Jun 23, 8:03 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 27 min |
| Jun 23, 8:53 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 37 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.