Alert archive / Colorado / Tornado Warnings in 1993

Tornado Warning 12, NWS Denver/Boulder, CO

July 9, 1993Kit Carson County, Washington County, Yuma County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Jul 9, 1993, 5:04 PM MDT for Kit Carson County, Washington County, Yuma County, Colorado. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1993, 5:04 PM MDT (23:04 UTC)
Expired
Jul 9, 1993, 5:30 PM MDT
In force
26 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

Counties Kit Carson County, CO, Washington County, CO, Yuma County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 11.1 hours before the alert went out and 43 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 1993-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1993-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1594 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDEN 092305
TORDEN
COC063-121-125-092330-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
504 PM MDT FRI JUL 09 1993

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 530 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

IN EAST CENTRAL COLORADO
     NORTHWESTERN KIT CARSON

IN NORTHEASTERN COLORADO
     SOUTHEASTERN WASHINGTON AND SOUTHWESTERN YUMA

INCLUDING THE FOLLOWING LOCATIONS
     ABARR...ARICKAREE SCHOOL...COPE...JOES AND KIRK

AT 504 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A POSSIBLE TORNADO 4 MILES EAST OF ARICKAREE SCHOOL ...OR ABOUT
66 MILES SOUTH OF STERLING.  THE STROM WAS MOVING EAST AT 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 YLOUR 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 3952 10258 3952 10310 3992 10313 3997 10260
HOLMES

What 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 9, 11:28 AM MDT, 5 hours 36 minutes before
COZ002-004-011-012-013-100600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1130 AM MDT FRI JUL 9 1993

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES

ADAMS          DENVER     JACKSON      LOGAN       SEDGWICK     YUMA
ARAPAHOE       DOUGLAS    JEFFERSON    MORGAN      SUMMIT
BOULDER        GILPIN     LARIMER      PARK        WASHINGTON
CLEAR CREEK    GRAND      LAKE         PHILLIPS    WELD

DEVELOPMENT OF THUNDERSTORMS WILL BE MOST LIKELY OVER THE NORTHEAST
BORDER AREAS WHERE SURFACE MOISTURE IS MORE ABUNDANT.  WINDS HAVE
BECOME MORE FAVORABLE FOR SUPPORTING STRONG AND EVEN SEVERE ACTIVITY.
IF YOU ARE IN THAT AREA EAST OF A LINE FROM STERLING TO AKRON TO ANTON
...BE PREPARED FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS LATE THIS
AFTERNOON AND EVENING.

THE REMAINDER OF NORTHEAST COLORADO SHOULD SEE SCATTERED THUNDERSTORMS
DEVELOP.  THESE STORMS ARE NOT EXPECTED TO BE SEVERE...BUT GUSTY WINDS
MAY OCCUR.

DULONG
Special weather statement, Jul 9, 11:30 AM MDT, 5 hours 34 minutes before
COZ002-004-011-012-013-100600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1130 AM MDT FRI JUL 9 1993

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES

ADAMS          DENVER     JACKSON      LOGAN       SEDGWICK     YUMA
ARAPAHOE       DOUGLAS    JEFFERSON    MORGAN      SUMMIT
BOULDER        GILPIN     LARIMER      PARK        WASHINGTON
CLEAR CREEK    GRAND      LAKE         PHILLIPS    WELD

DEVELOPMENT OF THUNDERSTORMS WILL BE MOST LIKELY OVER THE NORTHEAST
BORDER AREAS WHERE SURFACE MOISTURE IS MORE ABUNDANT.  WINDS HAVE
BECOME MORE FAVORABLE FOR SUPPORTING STRONG AND EVEN SEVERE ACTIVITY.
IF YOU ARE IN THAT AREA EAST OF A LINE FROM STERLING TO AKRON TO ANTON
...BE PREPARED FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS LATE THIS
AFTERNOON AND EVENING.

THE REMAINDER OF NORTHEAST COLORADO SHOULD SEE SCATTERED THUNDERSTORMS
DEVELOP.  THESE STORMS ARE NOT EXPECTED TO BE SEVERE...BUT GUSTY WINDS
MAY OCCUR.

DULONG
Special weather statement, Jul 9, 4:55 PM MDT, 9 minutes before
COZ012>013-092330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
455 PM MDT FRI JUL 09 1993

...STRONG THUNDERSTORM MOVING THROUGH SOUTHERN WASHINGTON COUNTY...

AT 455 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 6 MILES NORTHEAST OF ANTON ...OR ABOUT 58 MILES
SOUTH OF STERLING.  THE STORM WAS MOVING EAST AT 30 MPH.

IF YOU LIVE NEAR ANTON...ARICKAREE SCHOOL...COPE...ELBA AND THURMAN
MOVE INDOORS UNTIL THIS STORM PASSES.  BRIEF HEAVY RAIN...HAIL...AND
TORNADOS ARE POSSIBLE WITH THIS STORM.

A TORNADO WATCH REMAINS IN EFFECT FOR EASTERN COLORADO UNTIL 1000 PM
MDT.

HOLMES
Special weather statement, Jul 9, 4:58 PM MDT, 6 minutes before
COZ012>013-092330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
455 PM MDT FRI JUL 09 1993

...STRONG THUNDERSTORM MOVING THROUGH SOUTHERN WASHINGTON COUNTY...

AT 455 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 6 MILES NORTHEAST OF ANTON ...OR ABOUT 58 MILES
SOUTH OF STERLING.  THE STORM WAS MOVING EAST AT 30 MPH.

IF YOU LIVE NEAR ANTON...ARICKAREE SCHOOL...COPE...ELBA AND THURMAN
MOVE INDOORS2 UNTIL THIS STORM PASSES.  BRIEF HEAVY RAIN...HAIL...AND
TORNADOS ARE POSSIBLE WITH THIS STORM.

A TORNADO WATCH REMAINS IN EFFECT FOR EASTERN COLORADO UNTIL 1000 PM
MDT.

HOLMES

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 9, 3:23 PM MDTSevere Thunderstorm WarningBOUMorgan37 min
Jul 9, 5:25 PM MDTTornado WarningBOUKit Carson, Washington, Yuma35 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.