Alert archive / Colorado / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 90, NWS Pueblo, CO

July 16, 1998Saguache County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jul 16, 1998, 5:10 PM MDT for Saguache County, Colorado. It was in force for 60 min. 1 report 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 16, 1998, 5:10 PM MDT (23:10 UTC)
Expired: Jul 16, 1998, 6:10 PM MDT
In force: 60 min
Issued by: NWS Pueblo, CO
Area: Whole counties

County Saguache County, CO

The radar

The Pueblo radar (KPUX), 188 km from the middle of the area, began a volume at 23:11 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
Jul 16, 5:30 PM MDT	Hail 0.75	Crestone, 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

Grand Junction, CO (KGJT), launched 12:00Z, 11.2 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-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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3835 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 55 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.

874 
WUUS1 KPUB 162313 RRA
SVRPUB
COC109-170010-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
510 PM MDT THU JUL 16 1998

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN SAGUACHE COUNTY IN SOUTHERN COLORADO

* UNTIL 610 PM MDT

* AT 510 PM MDT...RADAR SHOWED A SEVERE STORM 5 MILES EAST OF
  CRESTONE OVER CRESTONE PEAK OR 30 MILES EAST SOUTHEAST OF
  SAGUACHE MOVING SOUTH AT 20 MPH.

SOME LOCATIONS AFFECTED WILL BE CRESTONE PEAK THROUGH 520 PM AND OPEN
COUNTRY SOUTH OF CRESTONE PEAK THROUGH 610 PM.  THE STORM SHOULD BE
APPROACHING GREAT SAND DUNES NATIONAL MONUMENT AROUND 530 PM. AT THIS
TIME...THE MOST LIKELY SEVERE WEATHER WITH THIS STORM IS LARGE
HAIL.  IF YOU ARE IN OR CLOSE TO THE WARNED AREA GO TO SAFETY IN A
SMALL INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST
PROTECTION. SEVERE STORMS CAN PRODUCE TORNADOES WITH LITTLE WARNING.

SR

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 Jul 16, 2:00 PM MDT, 3 hours 10 minutes earlier.

Area forecast discussion, Jul 16, 2:00 PM MDT, 3 hours 10 minutes before

SOUTH CENTRAL AND SOUTHEAST COLORADO AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PUEBLO CO
200 PM MDT THU JUL 16 1998

CONCERNS FOR TONIGHT INCLUDE THUNDERSTORM COVERAGE AND THE POSSIBILITY
OF SEVERE WEATHER. DISTURBANCE EVIDENT IN WATER VAPOR IMAGES OVER
NORTHEASTERN COLORADO. THE RUC/NGM/ETA MOVE THIS SYSTEM SOUTH THROUGH
SOUTHEAST COLORADO THIS AFTERNOON AND INTO THE EVENING...AND WEAKENS IT
SOME. GOOD LOW LEVEL MOISTURE CAN BE FOUND ACROSS THE SOUTHEAST PLAINS
TODAY WITH SURFACE OBS INDICATING DEW POINTS IN THE 50S TO AROUND 60.
BREEZY SOUTHEASTERLY FLOW WILL ALSO CONTINUE TO PROVIDE SOME LIFT THIS
AFTERNOON.  KPUX VAD WIND PROFILE SHOWS BETTER SHEAR TODAY TO SUPPORT
SOME SEVERE WEATHER.  SATELLITE DERIVED CAPES ACROSS THE SOUTHEAST AT
19Z WERE 1400 TO 1900 J/KG AND LIFTED INDICIES WERE -4 TO -7.  WITH THE
SLOW MOVEMENT OF THE UPPER DISTURBANCE...COULD SEE SOME STORMS UNTIL
LATE. WILL LIKELY GO WITH SCATTERED POPS OVER THE MOUdNTAINS AND PLAINS.
GUIDANCE TEMPS LOOK OK...EXCEPT MAY GO A LITTLE WARMER FOR KALS.

In the hours before

Local storm report, Jul 16, 2:01 PM MDT, 3 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
201 PM MDT THU JUL 16 1998

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

0107 PM V   1 E STONEWALL             CO    .75 INCH HAIL
07/16/98   LAS ANIMAS

Local storm report, Jul 16, 2:01 PM MDT, 3 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
201 PM MDT THU JUL 16 1998

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

0107 PM V   1 E STONEWALL             CO    .75 INCH HAIL
07/16/98   LAS ANIMAS

Local storm report, Jul 16, 3:46 PM MDT, 1 hour 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
346 PM MDT THU JUL 16 1998

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

0335 PM    HOEHNE                    CO    .75 INCH HAIL
07/16/98   LAS ANIMAS

Local storm report, Jul 16, 3:46 PM MDT, 1 hour 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
346 PM MDT THU JUL 16 1998

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

0335 PM    HOEHNE                    CO    .75 INCH HAIL
07/16/98   LAS ANIMAS

Local storm report, Jul 16, 4:17 PM MDT, 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
417 PM MDT THU JUL 16 1998

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

0400 PM Z   HOEHNE                    CO    1.75 INCH HAIL
07/16/98   LASANIMAS

Local storm report, Jul 16, 4:17 PM MDT, 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
417 PM MDT THU JUL 16 1998

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

0400 PM Z   HOEHNE                    CO    1.75 INCH HAIL
07/16/98   LASANIMAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 12:39 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	61 min
Jul 16, 3:04 PM MDT	Severe Thunderstorm Warning	PUB	Las Animas	61 min
Jul 16, 4:39 PM MDT	Severe Thunderstorm Warning	PUB	Crowley	61 min
Jul 16, 5:45 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, Pueblo	60 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1998 Every severe thunderstorm warning in 1998

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.