Alert archive / Colorado / Tornado Warnings in 1993

Tornado Warning 21, NWS Denver/Boulder, CO

July 14, 1993Arapahoe County, Denver County, Douglas County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Jul 14, 1993, 2:25 PM MDT for Arapahoe County, Denver County, Douglas County, Colorado. It was in force for 25 min.

The area

The counties it named.

The facts

Issued: Jul 14, 1993, 2:25 PM MDT (20:25 UTC)
Expired: Jul 14, 1993, 2:50 PM MDT
In force: 25 min
Issued by: NWS Denver/Boulder, CO
Area: Whole counties

Counties Arapahoe County, CO, Denver County, CO, Douglas County, CO

The nearest sounding before it

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 8.4 hours before the alert went out and 100 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 366 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 613 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDEN 142028
TORDEN
COC005-031-035-142100-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
225 PM MDT WED JUL 14 1993

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 310 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

IN NORTHEASTERN COLORADO
     SOUTHWESTERN ARAPAHOE...SOUTHEAST DENVER AND EXTREME
     NORTHEASTERN DOUGLAS

INCLUDING THE FOLLOWING LOCATIONS
     ACRES GREEN...ARAPAHOE PARK...SOUTHERN AURORA...CHERRY HILLS
     VILLAGE...SOUTHEAST DENVER...GRANDVIEW ESTATES AND STONEGATE

AT 225 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
POSSIBLE TORNADO NEAR I-25 AND I-225...OR ABOUT 10 MILES SOUTH OF
DOWNTOWN DENVER.

THE STORM WAS MOVING EAST AT 10 TO 15 MILES AN HOUR.

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.

WOLF

LAT...LON 3951 10471 3954 10494 3967 10492 3968 10470

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 6:32 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe	43 min
Jul 14, 1:49 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Denver, Jefferson	26 min
Jul 14, 5:34 PM MDT	Severe Thunderstorm Warning	BOU	Clear Creek	26 min
Jul 14, 5:34 PM MDT	Severe Thunderstorm Warning	BOU	Jefferson	41 min

Nearby

Tornado Warnings in Colorado, 1993 Every tornado warning in 1993 Tornadoes 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.