Alert archive / Colorado / Tornado Warnings in 1993

Tornado Warning 70, NWS Goodland, KS

August 12, 1993Lincoln County, Colorado

NWS Goodland, KS issued this tornado warning at Aug 12, 1993, 8:21 PM MDT for Lincoln County, Colorado. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Aug 12, 1993, 8:21 PM MDT (02:21 UTC)
Expired
Aug 12, 1993, 9:00 PM MDT
In force
39 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Lincoln County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 2.4 hours before the alert went out and 101 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 00:00Z on 1993-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 275 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 00:00Z on 1993-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.19395878Sfc1 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
275 J/kg
Mixed-layer CIN
-218 J/kg
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOS 130221
TORCOS
COC073-130300-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
821 PM MDT THU AUG 12 1993
 
THE NATIONAL WEATHER SERVICE IN COLORADO SPRINGS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  900 PM MDT
FOR PERSONS IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL COLORADO
 
   ...EAST CENTRAL LINCOLN COUNTY
 
AT 816 PM MDT...THE SHERIFFS OFFICE DISPATCHER IN LINCOLN COUNTY
REPORTED A TORNADO LOCATED NEAR THE JUNCTION OF COUNTY ROAD 109
AND COLORADO 94...OR ABOUT 30 MILES SOUTHSOUTHEAST OF LIMON. THIS
STORM IS MOVING TO THE EAST AND NORTHEAST AT 15 MPH.
 
PERSONS IN THE COMMUNITIES OF ARROYA AND BOYERO SHOULD BE ALERT AND BE
PREPARED TO SEEK SHELTER IMMEDIATELY.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST F,LOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
 
 
&

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, Aug 12, 5:55 PM MDT, 2 hours 26 minutes before
KSZ001-002-004-005-007-130100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
553 PM MDT (653 PM CDT) THU AUG 12 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST KANSAS UNTIL
11 PM MDT (MIDNIGHT CDT)...

AT 550 PM  MDT GOODLAND DOPPLER RADAR INDICATED NO SEVERE WEATHER OVER
NORTHWEST KANSAS.  RADAR DOES INDICATE SEVERE THUNDERSTORM  OVER
SOUTHWEST CHEYENNE COUNTY IN EASTERN COLORADO AND THIS STORM WAS MOVING
TO THE NORTHEAST AT 15 MPH.  OTHER STRONG THUNDERSTORMS LOCATED OVER
EASTERN COLORADO WERE LOCATED 30 MILES EAST AND WEST OF A LINE FROM
FORT MORGAN SOUTHEAST TO GRANADA IN CENTRAL PROWERS COUNTY IN SOUTHEAST
COLORADO.  ALL OF THE STORMS APPEAR TO BE MO8VING TO THE NORTHEAST AT
15 TO 20 MPH.

JENNER
Special weather statement, Aug 12, 7:03 PM MDT, 1 hour 18 minutes before
KSZ001-002-004-005-007-130200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
702 PM MDT (802 PM CDT) THU AUG 12 1993

....SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM MDT (MIDNIGHT CDT...

AT 700 PM MDT NO SEVERE WEATHER HAS BEEN INDICATED BY DOPPLER RADAR OVER
NORTHWEST KANSAS.  SOME STRONG THUNDERSTORMS CONTINUE OVER EASTERN
COLORADO AND THEY ARE MOVING TO THE NORTHEAST 25 MPH.

JENNER

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 6:05 PM MDTTornado WarningGLDLincoln25 min
Aug 12, 6:43 PM MDTSevere Thunderstorm WarningGLDLincoln62 min
Aug 12, 6:43 PM MDTSevere Thunderstorm WarningGLDKit Carson62 min
Aug 12, 6:59 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson61 min
Aug 12, 7:17 PM MDTSevere Thunderstorm WarningGLDElbert, Lincoln43 min
Aug 12, 8:14 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson61 min
Aug 12, 8:57 PM MDTFlash Flood WarningGLDCheyenne, Kit Carson4 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.