Alert archive / Colorado / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 93, NWS Pueblo, CO

August 9, 2002Bent County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Aug 9, 2002, 6:32 PM MDT for Bent County, Prowers County, Colorado. It was in force for 118 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 9, 2002, 6:32 PM MDT (00:32 UTC)
Expired: Aug 9, 2002, 8:30 PM MDT
In force: 118 min
Issued by: NWS Pueblo, CO
Area: Counties, with a storm outline in the text

Counties Bent County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 160 km from the middle of the area, began a volume at 00:36 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
Aug 9, 6:50 PM MDT	Tornado F0	Lamar, CO	A small, weak, short-lived tornado caused no known damage.
Aug 9, 7:10 PM MDT	Thunderstorm Wind 60 E	Mc Clave, CO	A thunderstorm wind gust blew a semi-trailer off Highway 50.
Aug 9, 7:12 PM MDT	Thunderstorm Wind 56 M	Lamar Arpt, 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
Aug 9, 3:45 PM MDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 0.5 hours before the alert went out and 217 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: 1040 J/kg
Mixed-layer CIN: -123 J/kg
Mixed-layer LCL: 2309 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

281 
WUUS55 KPUB 100032
SVRPUB
COC011-099-100230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
630 PM MDT FRI AUG 9 2002

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BENT COUNTY IN SOUTHEAST COLORADO
  PROWERS COUNTY IN SOUTHEAST COLORADO

* UNTIL 830 PM MDT

* AT 630 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THE    
  SEVERE THUNDERSTORM 16 MILES NORTH OF MCCLAVE...OR ABOUT 25
  MILES NORTHWEST OF LAMAR...MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS AFFECTED WILL BE...
  MCCLAVE AROUND 650 PM MDT
  WILEY AROUND 655 PM MDT
  LAMAR AROUND 710 PM MDT
  GRANADA...BRISTOL AROUND 730 PM MDT
  HARTMAN AROUND 735 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.

THIS IS A DANGEROUS THUNDERSTORM WHICH COULD INTENSIFY AND PRODUCE A
TORNADO WITH LITTLE WARNING GET INDOORS 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 3826 10246 3825 10306 3765 10256 3765 10205
          3805 10205

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 6:19 PM MDT	Tornado Warning	PUB	Kiowa	71 min
Aug 9, 6:51 PM MDT	Tornado Warning	PUB	Bent, Prowers	99 min
Aug 9, 7:04 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, Otero	86 min
Aug 9, 7:52 PM MDT	Severe Thunderstorm Warning	PUB	Bent	83 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2002 Every severe thunderstorm warning in 2002

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.