Alert archive / Colorado / Tornado Warnings in 2004

Tornado Warning 20, NWS Pueblo, CO

June 20, 2004Prowers County, Colorado

NWS Pueblo, CO issued this tornado warning at Jun 20, 2004, 7:29 PM MDT for Prowers County, Colorado. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 20, 2004, 7:29 PM MDT (01:29 UTC)
Expired: Jun 20, 2004, 8:00 PM MDT
In force: 31 min
Issued by: NWS Pueblo, CO
Area: Counties, with a storm outline in the text

County Prowers County, CO

The radar

The Goodland radar (KGLD), 150 km from the middle of the area, began a volume at 01:30 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 20, 1:15 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.5 hours before the alert went out and 190 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: 1284 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 1276 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

181 
WFUS55 KPUB 210129
TORPUB
COC099-210200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
729 PM MDT SUN JUN 20 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* TORNADO WARNING FOR...
  PROWERS COUNTY IN SOUTHEAST COLORADO

* UNTIL 800 PM MDT

* AT 724 PM MDT...A RAPIDLY ROTATING THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO WAS ALONG A LINE EXTENDING FROM 9 MILES NORTH
  OF HOLLY TO 21 MILES SOUTHWEST OF HOLLY...OR ALONG A LINE EXTENDING
  FROM 25 MILES NORTHWEST OF SYRACUSE TO 25 MILES SOUTHEAST OF
  LAMAR...AND WAS MOVING EAST AT 30 MPH.

* SOME LOCATIONS AFFECTED WILL BE...
  RURAL EASTERN PROWERS COUNTY THROUGH 740 PM MDT

THE SAFEST PLACE TO BE IN A HOUSE IS IN A BASEMENT...UNDER STURDY
FURNITURE. IF NO BASEMENT IS AVAILABLE...GO TO THE LOWEST FLOOR...IN
AN INTERIOR HALLWAY OR SMALL INTERIOR ROOM...SUCH AS A CLOSET OR
BATHROOM. USE BLANKETS OR PILLOWS TO COVER AND PROTECT YOUR BODY FROM
FLYING DEBRIS. ALWAYS STAY AWAY FROM WINDOWS.

IF YOU ARE OUTDOORS...OR IN A MOBILE HOME...OR IN A VEHICLE...GO TO A
NEARBY STURDY STRUCTURE AND GET IN A SMALL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE AWAY FROM WINDOWS. IF THERE IS NO STURDY
STRUCTURE AVAILABLE...AS A LAST RESORT...GO TO A CULVERT...DITCH...OR
OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT SUNDAY
EVENING FOR SOUTHEASTERN COLORADO.

LAT...LON 3824 10214 3771 10244 3774 10188 3830 10157

$$

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 20, 6:05 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	85 min
Jun 20, 6:34 PM MDT	Tornado Warning	PUB	Prowers	56 min
Jun 20, 8:28 PM MDT	Flash Flood Warning	PUB	Prowers	2 hr
Jun 21, 1:00 PM MDT	Severe Thunderstorm Warning	PUB	Custer, Fremont	60 min
Jun 21, 3:09 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	66 min
Jun 21, 3:11 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	64 min
Jun 21, 3:12 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	63 min

Nearby

Tornado Warnings in Colorado, 2004 Every tornado warning in 2004 Tornadoes in 2004

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; radar from the NEXRAD Level II archive.