Alert archive / Colorado / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 80, NWS Pueblo, CO

June 20, 2004Pueblo County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 20, 2004, 4:56 PM MDT for Pueblo County, Colorado. It was in force for 64 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, 4:56 PM MDT (22:56 UTC)
Expired: Jun 20, 2004, 6:00 PM MDT
In force: 64 min
Issued by: NWS Pueblo, CO
Area: Counties, with a storm outline in the text

County Pueblo County, CO

The radar

The Pueblo radar (KPUX), 65 km from the middle of the area, began a volume at 23:00 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

Denver, CO (KDNR), launched 12:00Z, 10.9 hours before the alert went out and 240 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: 399 J/kg
Mixed-layer CIN: -219 J/kg
Mixed-layer LCL: 795 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 91 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.

285 
WUUS55 KPUB 202256
SVRPUB
COC101-210000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
456 PM MDT SUN JUN 20 2004

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PUEBLO COUNTY IN SOUTHEAST COLORADO

* UNTIL 600 PM MDT

* AT 455 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED OVER EXTREME SOUTH CENTRAL PUEBLO COUNTY...AND
  WAS MOVING SOUTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED WILL BE...
  RURAL SOUTHEASTERN PUEBLO COUNTY THROUGH 515 PM MDT

THERE HAS BEEN A LONG HISTORY OF VERY LARGE DAMAGING HAIL.

IF POSSIBLE...WITHOUT RISKING YOUR SAFETY...PROTECT PROPERTY BEFORE
THE WEATHER HITS. GET IN A STURDY STRUCTURE AND AWAY FROM WINDOWS. AN
INTERIOR ROOM ON THE LOWEST FLOOR...OR A BASEMENT CAN OFFER THE BEST
PROTECTION.

LAT...LON 3795 10442 3785 10446 3775 10409 3790 10408

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 9:34 PM MDT	Tornado Warning	PUB	Crowley	56 min
Jun 19, 9:51 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	54 min
Jun 20, 12:29 AM MDT	Severe Thunderstorm Warning	PUB	Kiowa	61 min
Jun 20, 12:55 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	65 min
Jun 20, 1:37 PM MDT	Tornado Warning	PUB	El Paso	53 min
Jun 20, 2:20 PM MDT	Severe Thunderstorm Warning	PUB	Baca	85 min
Jun 20, 2:33 PM MDT	Tornado Warning	PUB	El Paso	57 min
Jun 20, 3:33 PM MDT	Severe Thunderstorm Warning	PUB	El Paso, Pueblo	87 min
Jun 20, 3:44 PM MDT	Tornado Warning	PUB	El Paso, Pueblo	61 min
Jun 20, 3:46 PM MDT	Severe Thunderstorm Warning	PUB	Baca	89 min
Jun 20, 4:20 PM MDT	Tornado Warning	PUB	Crowley, Pueblo	55 min
Jun 20, 4:33 PM MDT	Severe Thunderstorm Warning	PUB	Huerfano	57 min
Jun 20, 5:07 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Kiowa, Otero	83 min
Jun 20, 5:16 PM MDT	Severe Thunderstorm Warning	PUB	Crowley	29 min
Jun 20, 5:22 PM MDT	Severe Thunderstorm Warning	PUB	Crowley	23 min
Jun 20, 5:54 PM MDT	Tornado Warning	PUB	Bent	66 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2004 Every severe thunderstorm warning 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.