Alert archive / Colorado / Tornado Warnings in 1993

Tornado Warning 39, NWS Denver/Boulder, CO

July 23, 1993Morgan County, Washington County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Jul 23, 1993, 6:32 PM MDT for Morgan County, Washington County, Colorado. It was in force for 28 min.

The area

The counties it named.

The facts

Issued: Jul 23, 1993, 6:32 PM MDT (00:32 UTC)
Expired: Jul 23, 1993, 7:00 PM MDT
In force: 28 min
Issued by: NWS Denver/Boulder, CO
Area: Whole counties

Counties Morgan County, CO, Washington County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 0.5 hours before the alert went out and 36 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: 380 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 2185 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: -94 m²/s²
0-3 km storm-relative helicity: -4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDEN 240034
TORDEN
COC087-121-240100-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
632 PM MDT FRI JUL 23 1993

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 700 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

IN NORTHEASTERN COLORADO
     EXTREME SOUTHEASTERN MORGAN AND WEST CENTRAL WASHINGTON

INCLUDING THE FOLLOWING LOCATIONS
     AKRON...ANTON...ELBA...GARY...LAST CHANCE...LINDON...
     PLATNER...WOODLIN SCHOOL AND WOODROW

AT 632 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A POSSIBLE TORNADO 10 MILES EAST OF GARY...OR ABOUT 40 MILES
SOUTH OF STERLING.

ANOTHER TORNADO WAS POSSIBLY DEVELOPING NEAR LAST CHANCE. 

MOVEMENT WAS EAST AT 15 MPH.

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.

DULONG
LAT...LON 3970 10307 3966 10368 4019 10365 4017 10307

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 6:59 PM MDT	Tornado Warning	BOU	Washington	46 min
Jul 23, 7:31 PM MDT	Tornado Warning	BOU	Washington	29 min
Jul 23, 8:00 PM MDT	Tornado Warning	BOU	Washington, Yuma	30 min
Jul 23, 8:20 PM MDT	Severe Thunderstorm Warning	BOU	Washington	25 min
Jul 23, 8:29 PM MDT	Tornado Warning	BOU	Washington	31 min
Jul 23, 8:33 PM MDT	Tornado Warning	BOU	Yuma	27 min
Jul 23, 8:52 PM MDT	Tornado Warning	BOU	Yuma	38 min
Jul 23, 9:00 PM MDT	Tornado Warning	BOU	Washington	45 min
Jul 23, 9:18 PM MDT	Severe Thunderstorm Warning	BOU	Washington	27 min
Jul 23, 9:38 PM MDT	Flash Flood Warning	BOU	Yuma	52 min
Jul 23, 9:38 PM MDT	Severe Thunderstorm Warning	BOU	Yuma	52 min
Jul 23, 9:45 PM MDT	Flash Flood Warning	BOU	Washington	60 min
Jul 23, 9:45 PM MDT	Severe Thunderstorm Warning	BOU	Washington	60 min
Jul 23, 10:30 PM MDT	Severe Thunderstorm Warning	BOU	Yuma	30 min
Jul 23, 10:40 PM MDT	Flash Flood Warning	BOU	Washington, Yuma	3 hr

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.