Alert archive / Colorado / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 80, NWS Pueblo, CO

July 20, 2000Baca County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 20, 2000, 6:10 PM MDT for Baca County, Prowers County, Colorado. It was in force for 50 min. 4 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jul 20, 2000, 6:10 PM MDT (00:10 UTC)
Expired: Jul 20, 2000, 7:00 PM MDT
In force: 50 min
Issued by: NWS Pueblo, CO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Baca County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 170 km from the middle of the area, began a volume at 00:12 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.

What was reported inside it

Time	Report	Where	Remark
Jul 20, 6:19 PM MDT	Hail 0.75	Springfield, CO
Jul 20, 6:20 PM MDT	Tornado F0	Springfield, CO	A small, shortlived landspout tornado caused no known damage over open country of northwest Baca county.
Jul 20, 6:25 PM MDT	Hail 0.75	Lamar, CO
Jul 20, 6:30 PM MDT	Hail 0.75	Pritchett, CO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 20, 1:45 PM MDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.2 hours before the alert went out and 245 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: 2430 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 1215 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 196 m²/s²
0-3 km storm-relative helicity: 531 m²/s²
Significant tornado parameter: 3.8
Supercell composite: 54.8

Open this sounding in Storm Lab

The text

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

395 
WUUS55 KPUB 210011
SVRPUB
COC009-099-210100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
610 PM MDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BACA COUNTY IN SOUTHEAST COLORADO
  THIS INCLUDES THE CITY OF SPRINGFIELD
  SOUTHERN PROWERS COUNTY IN SOUTHEAST COLORADO

* UNTIL 700 PM MDT

* AT 606 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A      
  COMPLEX OF SEVERE THUNDERSTORMS FROM AROUND 3 MILES NORTHWEST OF   
  SPRINGFIELD TO AROUND 20 MILES SOUTH OF LAMAR.  THESE STORMS WERE  
  NEARLY STATIONARY. 

* SOME LOCATIONS AFFECTED WILL BE...
  TWO BUTTES THROUGH 700 PM MDT...
  SPRINGFIELD THROUGH 700 PM MDT...
  OPEN COUNTRY OF SOUTHERN PROWERS AND NORTHERN BACA COUNTIES AROUND 
  HIGHWAY 287/385 THROUGH 700 PM...

THIS IS A DANGEROUS THUNDERSTORM WIND DRIVEN VERY LARGE...DAMAGING
HAIL IS LIKELY. GET INDOORS AND IN AN INTERIOR ROOM AWAY FROM
WINDOWS. A BASEMENT CAN OFFER THE BEST PROTECTION.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN PUEBLO.

LAT...LON 3760 10303 3706 10306 3705 10211 3785 10207
          3788 10269 3759 10270

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 20, 6:46 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	89 min
Jul 20, 8:42 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	63 min
Jul 21, 3:52 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	53 min
Jul 21, 5:02 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	88 min
Jul 21, 5:12 PM MDT	Tornado Warning	PUB	Las Animas	63 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.