Alert archive / Colorado / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 74, NWS Pueblo, CO

July 20, 2000Pueblo County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 20, 2000, 4:28 PM MDT for Pueblo County, Colorado. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 20, 2000, 4:28 PM MDT (22:28 UTC)
Expired: Jul 20, 2000, 5:30 PM MDT
In force: 62 min
Issued by: NWS Pueblo, CO
Area: Whole counties

County Pueblo County, CO

The radar

The Pueblo radar (KPUX), 43 km from the middle of the area, began a volume at 22:31 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, 5:20 PM MDT	Hail 1	Pueblo, 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

Denver, CO (KDNR), launched 12:00Z, 10.5 hours before the alert went out and 219 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: 409 J/kg
Mixed-layer CIN: -401 J/kg
Mixed-layer LCL: 1545 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

000 
WUUS55 KPUB 202226
SVRPUB
COC101-202330-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
428 PM MDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL AND SOUTHEASTERN PUEBLO COUNTY IN SOUTHEAST COLORADO

* UNTIL 530 PM MDT

* AT 428 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THE
  SEVERE THUNDERSTORM 3 MILES SOUTH OF AVONDALE...OR ABOUT 17 MILES
  SOUTHEAST OF PUEBLO...MOVING SOUTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED WILL BE OPEN COUNTRY OF...
  EAST CENTRAL AND SOUTHEAST PUEBLO COUNTY.

THIS IS A DANGEROUS THUNDERSTORM! VERY LARGE...DAMAGING HAIL IS
LIKELY. GET INDOORS AWAY FROM WINDOWS.

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 3830 10430 3821 10449 3772 10417 3780 10406
          3804 10406

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 7:03 PM MDT	Severe Thunderstorm Warning	PUB	El Paso	57 min
Jul 19, 8:25 PM MDT	Severe Thunderstorm Warning	PUB	Baca	60 min
Jul 20, 1:59 PM MDT	Tornado Warning	PUB	El Paso	61 min
Jul 20, 3:35 PM MDT	Severe Thunderstorm Warning	PUB	Pueblo	55 min
Jul 20, 4:45 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	90 min
Jul 20, 5:11 PM MDT	Severe Thunderstorm Warning	PUB	Otero	94 min
Jul 20, 5:37 PM MDT	Severe Thunderstorm Warning	PUB	Pueblo	53 min
Jul 20, 5:37 PM MDT	Severe Thunderstorm Warning	PUB	Bent	53 min
Jul 20, 5:51 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	54 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.