Alert archive / Colorado / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 76, NWS Pueblo, CO

July 7, 1996Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 7, 1996, 6:50 PM MDT for Prowers County, Colorado. It was in force for 50 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
Jul 7, 1996, 6:50 PM MDT (00:50 UTC)
Expired
Jul 7, 1996, 7:40 PM MDT
In force
50 min
Issued by
NWS Pueblo, CO
Area
Whole counties

County Prowers County, CO

The radar

The Pueblo radar (KPUX), 166 km from the middle of the area, began a volume at 00:51 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 7, 7:02 PM MDTHail 0.75Lamar, CO
Jul 7, 7:15 PM MDTHail 0.75Bristol, 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, 0.8 hours before the alert went out and 225 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 1996-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 378 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1996-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.19395878Sfc1 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
378 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
2913 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPUB 080050
SVRPUB
COC099-080140-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
650 PM MDT SUN JUL 7 1996

* SEVERE THUNDERSTORM WARNING FOR
  PROWERS COUNTY      IN SOUTHEAST COLORADO

* UNTIL 740 PM MDT
 
* SOME LOCATIONS AFFECTED
    LAMAR
    US 50 EAST OF LAMAR

* AT 650 PM RADAR SHOWED A SEVERE STORM OVER LAMAR MOVING EAST AT 20
  MPH.

A TORNADO WATCH IS IN EFFECT.  SEVERE STORMS CAN PRODUCE TORNADOES.

A FOLLOW UP STATEMENT WITH MORE DETAILS WILL BE OUT SHORTLY.

PW

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 7, 2:01 PM MDT, 4 hours 49 minutes before
COZ072-072050-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
201 PM MDT SUN JUL 7 1996

...STRONG THUNDERSTORMS ALONG THE PALMER DIVIDE IN NORTHERN EL PASO
COUNTY...

THUNDERSTORMS ARE GOING TO BE MOVING EAST AT 10 MPH ACROSS NORTHERN
PARTS OF EL PASO COUNTY...NEARING RAMAH BY 230 PM MDT.  THESE
THUNDERSTORMS WILL APPROACH THE BLACK FOREST BY 210 PM
MDT...CROSSING HIGHWAY 24 BY 220 PM.

EXPECT FREQUENT DANGEROUS LIGHTNING...HAIL NEARING 1/2 INCH IN
DIAMETER...AND LOCALLY HEAVY RAIN WITH THESE STORMS AS THEY MOVE EAST.

THESE THUNDERSTORMS CAN BRING DEADLY LIGHTNING...AND SOME WILL
PRODUCE 1/2 INCH DIAMETER OR SMALLER HAIL...GUSTY WINDS AROUND 40
MPH AND VERY HEAVY RAINFALL.

SC
Special weather statement, Jul 7, 3:48 PM MDT, 3 hours 2 minutes before
COZ073-072250-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
348 PM MDT SUN JUL 7 1996

...A STRONG THUNDERSTORM DEVELOPING JUST SOUTHWEST OF PUEBLO...

AT 345 PM MDT A STRONG THUNDERSTORM WAS LOCATED 6 MILES SOUTHWEST
OF DOWNTOWN PUEBLO...MOVING EAST AT 15 MPH.

THIS STORM WILL CROSS INTERSTATE 25 JUST SOUTH OF PUEBLO BY 355
PM...THEN MOVE ACROSS OPEN COUNTRY.

IF YOU PLAN TO BE OUTDOORS...CHECK THE LATEST WEATHER
INFORMATION AND KEEP AN EYE TO THE SKY. DEADLY LIGHTNING CAN
OCCUR WITH ALL THUNDERSTORMS. IF A THUNDERSTORM APPROACHES... GET
INDOORS OR IN A VEHICLE. LIGHTNING CAN STRIKE SEVERAL MILES AWAY
FROM THE STORM...WHERE IT IS NOT RAINING AND WHERE YOU MAY BE.

SC
Special weather statement, Jul 7, 4:16 PM MDT, 2 hours 34 minutes before
COZ073-072305-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
416 PM MDT SUN JUL 7 1996

...THUNDERSTORMS MOVING ACROSS NORTHERN PUEBLO COUNTY...
...TORNADO WATCH UNTIL 10 PM MDT...

YOU CAN EXPECT THUNDERSTORMS TO MOVE EAST OF INTERSTATE 25 ACROSS
OPEN COUNTRY OF SOUTHEAST PUEBLO COUNTY THROUGH 5 PM MDT.  HAIL
UNDER 1/2 INCH IN DIAMETER...STRONG GUSTY WINDS TO 45 MPH...AND
VERY HEAVY RAIN CAN BE EXPECTED WITH THESE STORMS.

AT 4d15 PM THIS STORM WAS LOCATED 6 MILES SOUTHEAST OF DOWNTOWN PUEBLO...
AND EAST OF I-25.
Special weather statement, Jul 7, 5:15 PM MDT, 1 hour 35 minutes before
COZ073-076-077-079-081-080020-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
515 PM MDT SUN JUL 7 1996

...STRONG THUNDERSTORMS OVER SOUTHEAST COLORADO...

WIDELY SCATTERED STRONG STORMS WERE OVER NORTHERN AND EASTERN PUEBLO
COUNTY AND WILL MOVE INTO AND THROUGH CROWLEY AND OTERO COUNTIES
THROUGH 6OO PM.

ANOTHER STORM WAS IN SOUTHEAST OTERO COUNTY...ABOUT 10 MILES SOUTHEAST
OF LA JUNTA...AND STILL ANOTHER STORM WAS ABOUT 10 MILES NORTHWEST OF
SPRINGFIELD IN BACA COUNTY.  THESE TWO STORMS WILL MOVE ACROSS OPEN
COUNTRY THROUGH 600 PM.

ALL THESE STORMS WILL PRODUCE BRIEF HEAVY RAIN...WHICH WILL CAUSE WATER
TO POND IN LOW SPOTS AND ON ROADWAYS...HAIL UNDER 1/2 INCH IN
DIAMETER...FREQUENT DANGEROUS LIGHTNING AND WIND GUSTS TO 40 MPH.

TLM
Special weather statement, Jul 7, 5:45 PM MDT, 1 hour 5 minutes before
COZ076-080050-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
545 PM MDT SUN JUL 7 1996

...VERY STRONG THUNDERSTORM IN CROWLEY COUNTY...

A VERY STRONG STORM 5 MILES NORTHWEST OF CROWLEYb WILL MOVE SOUTHEAST
AT 15 MPH...AND BE IN OLNEY SPRINGS AND CROWLEY BY 550 PM.  THE STORM
WILL PRODUCE HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING...HAIL JUST
UNDER 3/4 INCH IN DIAMETER AND GUSTY WINDS TO 55 MPH.

TLM
Local storm report, Jul 7, 6:35 PM MDT, 15 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
633 PM MDT SUN JUL 7 1996

TIME(MDT)  ...CITY LOCATION...     STATE  ...EVENT/REMARKS...
           ..COUNTY LOCATION..

225 PM     1 W PEYTON                CO   BRIEF FUNNEL CLOUD
7/7/96     EL PASO

237 PM     2 W PEYTON                CO   0.75 INCH HAIL
7/7/96     EL PASO

239 PM     PEYTON                    CO   60 MPH WIND GUST
7/7/96     EL PASO

245 PM     5 SW PEYTON               CO   BRIEF FUNNEL CLOUD
7/7/96     EL PASO

255 PM     5 S PEYTON                CO   1.00 INCH HAIL
7/7/96     EL PASO

310 PM     5 NW ELLICOTT             CO   1.00 INCH HAIL
7/7/96     EL PASO

322 PM     5 NW YODER                CO   1.00 INCH HAIL
7/7/96     EL PASO

340 PM     1 E ELLICOTT              CO   0.75 INCH HAIL
7/7/96     EL PASO

440 PM     8 S FOUNTAIN              CO   1.00 INCH HAIL
7/7/96     EL PASO

600 PM     CROWLEY                   CO   0.75 INCH HAIL
7/7/96     CROWLEY

SC/TLM

Nearby

Severe Thunderstorm Warnings in Colorado, 1996Every severe thunderstorm warning in 1996

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.