Alert archive / Colorado / Tornado Warnings in 1993

Tornado Warning 2, NWS Denver/Boulder, CO

May 28, 1993Weld County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at May 28, 1993, 5:22 PM MDT for Weld County, Colorado. It was in force for 23 min.

The area

The counties it named.

The facts

Issued
May 28, 1993, 5:22 PM MDT (23:22 UTC)
Expired
May 28, 1993, 5:45 PM MDT
In force
23 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Weld County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 11.4 hours before the alert went out and 125 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 1993-05-28Temperature 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 1993-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939Sfc1 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
1389 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
62 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 282323
TORDEN
COC123-282345-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
522 PM MDT FRI MAY 28 1993

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 545 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

IN NORTHEASTERN COLORADO
     WEST CENTRAL WELD

INCLUDING THE FOLLOWING LOCATIONS
     AULT...PIERCE AND NUNN

AT 522 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A POSSIBLE TORNADO 4 MILES NORTHEAST OF AULT ...OR ABOUT 14
MILES NORTH OF GREELEY.

THE STORM WAS MOVING NORTH-NORTHEAST AT 10 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 TOX THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.

DANKERS
LAT...LON 4058 10462 4058 10475 4080 10476 4083 10449

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 9:28 PM MDTSevere Thunderstorm WarningBOUYuma47 min
May 27, 10:11 PM MDTSevere Thunderstorm WarningBOUYuma29 min
May 28, 4:13 PM MDTTornado WarningBOULarimer, Weld12 min
May 28, 4:47 PM MDTSevere Thunderstorm WarningBOULarimer, Weld28 min
May 28, 5:11 PM MDTSevere Thunderstorm WarningBOUWeld32 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.