Alert archive / Colorado / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 52, NWS Pueblo, CO

June 23, 1997El Paso County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 23, 1997, 7:40 PM MDT for El Paso County, Colorado. It was in force for 60 min. 2 reports 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
Jun 23, 1997, 7:40 PM MDT (01:40 UTC)
Expired
Jun 23, 1997, 8:40 PM MDT
In force
60 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County El Paso County, CO

The radar

The Pueblo radar (KPUX), 51 km from the middle of the area, began a volume at 01:44 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
Jun 23, 7:45 PM MDTHail 0.75Colorado Spgs, CO
Jun 23, 7:46 PM MDTHail 0.75Colorado Spgs, 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, 1.7 hours before the alert went out and 160 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 1997-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1997-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 km3 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
82 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
2872 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
-17 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.

415 
WUUS1 KPUB 240141 RRA
SVRPUB
COC041-240240-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
740 PM MDT MON JUN 23 1997

* SEVERE THUNDERSTORM WARNING FOR
  NORTHERN EL PASO COUNTY IN EAST CENTRAL COLORADO

* UNTIL 840 PM MDT
 
* SOME LOCATIONS AFFECTED
  BLACK FOREST BY 745 PM
  MONUMENT BY 745 PM

* AT 740 PM RADAR SHOWED A SEVERE STORM 2 MILES WEST OF BLACK FOREST
  OR 10 MILES NORTH OF COLORADO SPRINGS MOVING NORTH AT 10 MPH.

AT THIS TIME...THE MOST LIKELY SEVERE WEATHER WITH THIS STORM IS
LARGE HAIL.



IF YOU ARE NEAR THIS SEVERE STORM...GO TO SHELTER IMMEDIATELY.

DC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 7:52 PM MDTSevere Thunderstorm WarningPUBEl Paso63 min
Jun 24, 3:18 PM MDTSevere Thunderstorm WarningPUBEl Paso62 min
Jun 24, 4:30 PM MDTSevere Thunderstorm WarningPUBEl Paso65 min
Jun 24, 5:02 PM MDTSevere Thunderstorm WarningPUBProwers48 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1997Every severe thunderstorm warning in 1997

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.