Alert archive / Colorado / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 134, NWS Pueblo, CO
NWS Pueblo, CO issued this severe thunderstorm warning at Aug 28, 1997, 4:37 PM MDT for El Paso County, Colorado. It was in force for 93 min. 3 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
- Aug 28, 1997, 4:37 PM MDT (22:37 UTC)
- Expired
- Aug 28, 1997, 6:10 PM MDT
- In force
- 93 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 22:38 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 28, 4:54 PM MDT | Hail 0.75 | Calhan, CO | |
| Aug 28, 5:12 PM MDT | Hail 0.75 | Yoder, CO | |
| Aug 28, 5:25 PM MDT | Hail 0.88 | Rush, 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
Fort Carson/Butt, CO (KFCS), launched 12:00Z, 10.6 hours before the alert went out and 23 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.
- Mixed-layer CAPE
- 972 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1362 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPUB 282238 RRA SVRPUB COC041-290010- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PUEBLO CO 437 PM MDT THU AUG 28 1997 * SEVERE THUNDERSTORM WARNING FOR EL PASO COUNTY IN EAST CENTRAL COLORADO * UNTIL 610 PM MDT * SOME LOCATIONS AFFECTED OPEN COUNTRY NEAR AND SOUTH OF CALHAN THROUGH 530 PM MDT * AT 432 PM RADAR SHOWED A SEVERE STORM 2 MILES SOUTH SOUTHEAST OF CALHAN MOVING EAST AT 15 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. LW/SC
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.
NWS Pueblo, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 28, 1:42 PM MDT, 2 hours 55 minutes earlier.
Area forecast discussion, Aug 28, 1:42 PM MDT, 2 hours 55 minutes before
SOUTH CENTRAL AND SOUTHEAST COLORADO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PUEBLO CO 142 PM MDT THU AUG 28 1997 ROUTER STILL DOWN SO WILL RELY ON AFOS/MICROSWIS/WSR-88D FOR FORECAST GUIDANCE TNGT. MOISTURE PLUME STILL TO THE WEST OF FORECAST AREA... EXTENDING FROM AZ INTO SE UT AND NW CO. SOME OF THIS MOISTURE MAY BEGIN NUDGING EWRD TNGT AS UPPER FLOW BECOMES MORE WRLY. THUNDERSTORMS...SOME STRONG...FIRING UP ACROSS ERN PLAINS/FTHLLS THIS AFTN. AS MENTIONED BY MID FORECASTER...SUBSIDENCE BEHIND WAVE THAT OCCURRED YESTERDAY IS ABSENT TODAY. SURFACE DEWPOINTS REMAIN RELATIVELY HIGH WITH READINGS ON THE SE PLAINS IN HE 50S/LOWER 60S. SURFACE TROF FORECAST TO REMAIN ACROSS THE SE PLAINS THIS EVENING...AND SERVE AS A FOCUS FOR TSTM FORMATION. HOWEVER...WARM TEMPS ALOFT EXPECTED TO LIMIT CONVECTION TO WDLY SCT VARIETY. TSTMS NOT DEVELOPING TO GREAT EXTENT OVER MTNS BUT MAY JUST BE LATE IN BLOOMING...WILL PROBABLY GO WITH W\DLY SCT-SCT THERE THIS EVNG. WILL LIKELY MAINTAIN PERSISTENCE FOR MIN TEMPS. SR
In the hours before
Special weather statement, Aug 28, 3:36 PM MDT, 1 hour 1 minute before
COZ078-282240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 336 PM MDT THU AUG 28 1997 ...VERY STRONG THUNDERSTORM DEVELOPING RAPIDLY NEAR TOWNER...IN EXTREME EASTERN KIOWA COUNTY... LOOK FOR A THUNDERSTORM PRODUCING VERY HEAVY RAIN...ALONG WITH HAIL OF 1/2 INCH IN DIAMETER...AND WINDS GUSTING TO 50 MPH IN THE VICINITY OF TOWNER IN EXTREME EASTERN KIOWA COUNTY THROUGH 400 PM...NEAR THE KANSAS BORDER. AT 335 PM MDT...DOPPLER RADAR SHOWED THIS VERY STRONG THUNDERSTORM LOCATED OVER TOWNER...OR ABOUT 12 MILES EAST OF SHERIDAN LAKE. MOVEMENT OF THIS STORM WAS EAST AT 15 MPH. IF YOU ARE DRIVING...VISIBILITIES WILL BE GREATLY REDUCED DURING HEAVY DOWNPOURS OF RAIN AND SMALL HAIL. TURN YOUR LIGHTS ON AND SLOW DOWN TO AVOID HYDROPLANING ON PONDED WATER ON ROADWAYS. YOU MAY ALSO WANT TO WAIT OUT THE STORM BY EXITING OR PULLING ALL THE WAY OFF THE ROADWAY. TURN YOUR FLASHERS ON SO YOU CAN BE EASILY SEEN.
Special weather statement, Aug 28, 3:37 PM MDT, 1 hour before
COZ078-282240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 336 PM MDT THU AUG 28 1997 ...VERY STRONG THUNDERSTORM DEVELOPING RAPIDLY NEAR TOWNER...IN EXTREME EASTERN KIOWA COUNTY... LOOK FOR A THUNDERSTORM PRODUCING VERY HEAVY RAIN...ALONG WITH HAIL OF 1/2 INCH IN DIAMETER...AND WINDS GUSTING TO 50 MPH IN THE VICINITY OF TOWNER IN EXTREME EASTERN KIOWA COUNTY THROUGH 400 PM...NEAR THE KANSAS BORDER. AT 335 PM MDT...DOPPLER RADAR SHOWED THIS VERY STRONG THUNDERSTORM LOCATED OVER TOWNER...OR ABOUT 12 MILES EAST OF SHERIDAN LAKE. MOVEMENT OF THIS STORM WAS EAST AT 15 MPH. IF YOU ARE DRIVING...VISIBILITIES WILL BE GREATLY REDUCED DURING HEAVY DOWNPOURS OF RAIN AND SMALL HAIL. TURN YOUR LIGHTS ON AND SLOW DOWN TO AVOID HYDROPLANING ON PONDED WATER ON ROADWAYS. YOU MAY ALSO WANT TO WAIT OUT THE STORM BY EXITING OR PULLING ALL THE WAY OFF THE ROADWAY. TURN YOUR FLASHERS ON SO YOU CAN BE EASILY SEEN.
Special weather statement, Aug 28, 3:59 PM MDT, 38 minutes before
COZ071-072-282305- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 359 PM MDT THU AUG 28 1997 ...VERY RAPIDLY DEVELOPING STRONG THUNDERSTORM NEAR PEYTON... LOOK FOR A VERY STRONG THUNDERSTORM TO PRODUCE RAINFALL RATES OF 0.75 TO 1.50 INCHES AN HOUR...AS IT MOVES ACROSS PEYTON BY 405 PM...AND CALHAN BY 420 PM. HAIL TO 1/2 INCH IN DIAMETER...FREQUENT LIGHTNING...AND WINDS GUSTING AS HIGH AS 50 MPH ARE ALSO POSSIBLE WITH THIS STORM AS IT MOVES OVER NORTHEAST EL PASO COUNTY LATE THIS AFTERNOON. AT 357 PM MDT...DOPPLER RADAR SHOWED THE STORM LOCATED 2 MILES SOUTH OF PEYTON...MOVING EAST AROUND 10 MPH. IF YOU ARE DRIVING...VISIBILITIES WILL BE GREATLY REDUCED DURING HEAVY DOWNPOURS OF RAIN AND SMALL HAIL. TURN YOUR LIGHTS ON AND SLOW DOWN TO AVOID HYDROPLANING ON PONDED WATER ON ROADWAYS. YOU MAY ALSO WANT TO WAIT OUT THE STORM BY EXITING OR PULLING ALL THE WAY OFF THE ROADWAY. TURN YOUR FLASHERS ON SO YOU CAN BE EASILY SEEN.
Special weather statement, Aug 28, 4:00 PM MDT, 37 minutes before
COZ071-072-282305- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 359 PM MDT THU AUG 28 1997 ...VERY RAPIDLY DEVELOPING STRONG THUNDERSTORM NEAR PEYTON... LOOK FOR A VERY STRONG THUNDERSTORM TO PRODUCE RAINFALL RATES OF 0.75 TO 1.50 INCHES AN HOUR...AS IT MOVES ACROSS PEYTON BY 405 PM...AND CALHAN BY 420 PM. HAIL TO 1/2 INCH IN DIAMETER...FREQUENT LIGHTNING...AND WINDS GUSTING AS HIGH AS 50 MPH ARE ALSO POSSIBLE WITH THIS STORM AS IT MOVES OVER NORTHEAST EL PASO COUNTY LATE THIS AFTERNOON. AT 357 PM MDT...DOPPLER RADAR SHOWED THE STORM LOCATED 2 MILES SOUTH OF PEYTON...MOVING EAST AROUND 10 MPH. IF YOU ARE DRIVING...VISIBILITIES WILL BE GREATLY REDUCED DURING HEAVY DOWNPOURS OF RAIN AND SMALL HAIL. TURN YOUR LIGHTS ON AND SLOW DOWN TO AVOID HYDROPLANING ON PONDED WATER ON ROADWAYS. YOU MAY ALSO WANT TO WAIT OUT THE STORM BY EXITING OR PULLING ALL THE WAY OFF THE ROADWAY. TURN YOUR FLASHERS ON SO YOU CAN BE EA~SILY SEEN.
Special weather statement, Aug 28, 4:22 PM MDT, 15 minutes before
COZ077-081-282325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 422 PM MDT THU AUG 28 1997 ...STRONG THUNDERSTORMS OVER WESTERN LAS ANIMAS AND NORTHERN BACA COUNTIES LATE THIS AFTERNOON... LOOK FOR A STRONG THUNDERSTORM TO MOVE JUST NORTH OF SPRINGFIELD IN BACA COUNTY AND EAST OF HIGHWAY 10 BY 425 PM MDT...PRODUCING RAINFALL RATES IN A ONE HOUR PERIOD RANGING FROM 1.00 TO 1.50 INCHES. HAIL TO 1/2 INCH IN DIAMETER AND WINDS GUSTING TO 45 MPH ARE ALSO POSSIBLE WITH THIS STORM AS IT MOVES ACROSS THE OPEN COUNTRY OF NORTHERN BACA COUNTY ANOTHER STRONG STORM WAS LOCATED ABOUT 9 MILES EAST OF HOEHNE...AND WILL ALSO BE CAPABLE OF PRODUCING VERY HEAVY RAINFALL ACROSS THE OPEN COUNTRY MAINLY NORTH OF HIGHWAY 160 THROUGH 500 PM. SMALL HAIL AND GUSTY WINDS ARE ALSO POSSIBLE WITH THIS STORM. MOVEMENT OF THESE STORMS WAS EAST AROUND 20 MPH. IF YOU PLAN TO BE OUTDOORS...CHECK THE LATEST WEATHER INFORMATION AND KEEP AN EYE TO THE SKY. DANGEROUS LIGHTNING CAN OCCUR WITH ALL THUNDERSTORMS. IF A THUNDERSTORM APPROACHES... GET INDOORS OR IN A VEHICLE. LIGHTNING CAN STRIKE SEVERAL MILES AWAY FROM THE PARENT THUNDERSTORM.
Special weather statement, Aug 28, 4:23 PM MDT, 14 minutes before
COZ077-081-282325- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PUEBLO CO 422 PM MDT THU AUG 28 1997 ...STRONG THUNDERSTORMS OVER WESTERN LAS ANIMAS AND NORTHERN BACA COUNTIES LATE THIS AFTERNOON... LOOK FOR A STRONG THUNDERSTORM TO MOVE JUST NORTH OF SPRINGFIELD IN BACA COUNTY AND EAST OF HIGHWAY 10 BY 425 PM MDT...PRODUCING RAINFALL RATES IN A ONE HOUR PERIOD RANGING FROM 1.00 TO 1.50 INCHES. HAIL TO 1/2 INCH IN DIAMETER AND WINDS GUSTING TO 45 MPH ARE ALSO POSSIBLE WITH THIS STORM AS IT MOVES ACROSS THE OPEN COUNTRY OF NORTHERN BACA COUNTY ANOTHER STRONG STORM WAS LOCATED ABOUT 9 MILES EAST OF HOEHNE...AND WILL ALSO BE CAPABLE OF PRODUCING VERY HEAVY RAINFALL ACROSS THE OPEN COUNTRY MAINLY NORTH OF HIGHWAY 160 THROUGH 500 PM. SMALL HAIL AND GUSTY WINDS ARE ALSO POSSIBLE WITH THIS STORM. MOVEMENT OF THESE STORMS WAS EAST AROUND 20 MPH. IF YOU PLAN TO BE OUTDOORS...CHECK THE LATEST WEATHER INFORMATION AND KEEP AN EYE TO THE SKY. DANGEROUS LIGHTNING CAN OCCUR WITH ALL THUNDERSTORMS. IF A THUNDERSTORM APPROACHES... GET INDOORS OR IN A VEHICLE. LIGHTNING CAN STRIKE SEVERAL MILES AWAY FROM THE PARENT THUNDERSTORM.
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.