Alert archive / Colorado / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 75, NWS Pueblo, CO

July 20, 2000Las Animas County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 20, 2000, 4:45 PM MDT for Las Animas County, Colorado. It was in force for 90 min. 1 report 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, 4:45 PM MDT (22:45 UTC)
Expired
Jul 20, 2000, 6:15 PM MDT
In force
90 min
Issued by
NWS Pueblo, CO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Las Animas County, CO

The radar

The Pueblo radar (KPUX), 147 km from the middle of the area, began a volume at 22:47 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

TimeReportWhereRemark
Jul 20, 4:45 PM MDTHail 0.75Trinchera, 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.

IssuedProductOfficeLasted
Jul 20, 1:45 PM MDTTornado WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.8 hours before the alert went out and 282 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, Amarillo Airport, TX at 12:00Z on 2000-07-20Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2000-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
2817 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
-4 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 
WUUS55 KPUB 202245
SVRPUB
COC071-210015-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
445 PM MDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LAS ANIMAS COUNTY IN SOUTHEAST COLORADO

* UNTIL 615 PM MDT

* AT 443 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THE
  SEVERE THUNDERSTORM 6 MILES NORTHEAST OF TRINCHERA...OR ABOUT 32
  MILES EAST OF TRINIDAD...MOVING EAST AT 25 MPH.

* SOME LOCATIONS AFFECTED WILL BE...
  TOBE AROUND 510 PM MDT...
  VILLE GREEN AROUND 520 PM MDT...
  KIM AROUND 540 PM MDT...
  OPEN COUNTRY SOUTH OF HIGHWAY 160 AND EAST OF HIGHWAY 389 THROUGH  
  615 PM MDT... 

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

LAT...LON 3732 10404 3701 10407 3703 10311 3733 10310

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 7:03 PM MDTSevere Thunderstorm WarningPUBEl Paso57 min
Jul 19, 8:25 PM MDTSevere Thunderstorm WarningPUBBaca60 min
Jul 20, 1:59 PM MDTTornado WarningPUBEl Paso61 min
Jul 20, 3:35 PM MDTSevere Thunderstorm WarningPUBPueblo55 min
Jul 20, 4:28 PM MDTSevere Thunderstorm WarningPUBPueblo62 min
Jul 20, 5:11 PM MDTSevere Thunderstorm WarningPUBOtero94 min
Jul 20, 5:37 PM MDTSevere Thunderstorm WarningPUBPueblo53 min
Jul 20, 5:37 PM MDTSevere Thunderstorm WarningPUBBent53 min
Jul 20, 5:51 PM MDTSevere Thunderstorm WarningPUBLas Animas54 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2000Every 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.