Alert archive / Colorado / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 79, NWS Pueblo, CO

June 20, 2001Huerfano County, Pueblo County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 20, 2001, 7:15 PM MDT for Huerfano County, Pueblo County, Colorado. It was in force for 90 min. 2 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
Jun 20, 2001, 7:15 PM MDT (01:15 UTC)
Expired
Jun 20, 2001, 8:45 PM MDT
In force
90 min
Issued by
NWS Pueblo, CO
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Huerfano County, CO, Pueblo County, CO

What was reported inside it

TimeReportWhereRemark
Jun 20, 7:40 PM MDTHail 1.5Colorado City, COA severe thunderstorm produced very large hail from the Beulah area to the Colorado City area. Damage was done to vehicles and buildings, including a bank in Colorado City. Its roof collapsed from the weight of hail and rain which collected on the flat roof.
Jun 20, 8:01 PM MDTHail 1Walsenburg, 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 nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.3 hours before the alert went out and 226 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, Denver, CO at 00:00Z on 2001-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 484 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2001-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 square meters per square second.193958Sfc1 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
484 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1925 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
WUUS55 KPUB 210119
SVRPUB

COC055-101-210245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
715 PM MDT WED JUN 20 2001

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

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

* UNTIL 845 PM MDT

* AT 715 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THE
  SEVERE THUNDERSTORM 10 MILES NORTH OF COLORADO CITY...OR ABOUT     
  21 MILES SOUTHWEST OF PUEBLO...MOVING SOUTHEAST AT 30 MPH. OTHER   
  STRONG STORMS WERE LOCATED THROUGHOUT WESTERN PUEBLO COUNTY...ALSO 
  MOVING SOUTHWEST AT 30 MPH.

* SOME LOCATIONS AFFECTED WILL BE THE CITIES OF...
 RYE THROUGH 745 PM...
 BEULAH THROUGH 745 PM...
 CEDARWOOD BY 745 PM.
 AND ALSO THE OPEN COUNTRY OF... HUERFANO AND PUEBLO COUNTIES

A TORNADO WATCH IS IN EFFECT UNTIL 9 PM.

AT THIS TIME THE MOST LIKELY KIND OF SEVERE WEATHER IS HAIL NEAR ONE
INCH IN DIAMETER. IF POSSIBLE...WITHOUT RISKING YOUR SAFETY...PROTECT
PROPERTY BEFORE THE WEATHER HITS.

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 3843 10490 3791 10489 3764 10456 3848 10410

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:49 PM MDTTornado WarningPUBEl Paso56 min
Jun 20, 9:11 PM MDTSevere Thunderstorm WarningPUBFremont, Pueblo64 min
Jun 20, 9:43 PM MDTSevere Thunderstorm WarningPUBEl Paso92 min
Jun 21, 1:02 AM MDTSevere Thunderstorm WarningPUBPueblo58 min
Jun 21, 1:18 AM MDTSevere Thunderstorm WarningPUBHuerfano57 min
Jun 21, 5:36 PM MDTSevere Thunderstorm WarningPUBLas Animas54 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2001Every severe thunderstorm warning in 2001

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.