Alert archive / Colorado / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 18, NWS Pueblo, CO

June 22, 1991Otero County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at Jun 22, 1991, 4:22 PM MDT for Otero County, Colorado. It was in force for 53 min.

The area

The counties it named.

The facts

Issued: Jun 22, 1991, 4:22 PM MDT (22:22 UTC)
Expired: Jun 22, 1991, 5:15 PM MDT
In force: 53 min
Issued by: NWS Pueblo, CO
Area: Whole counties

County Otero County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.4 hours before the alert went out and 223 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: 299 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 161 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Jun 22, 1:12 PM MDT, 3 hours 10 minutes before

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Special weather statement, Jun 22, 2:00 PM MDT, 2 hours 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALAMOSA CO
1255 PM MDT SAT JUN 22 1991

...THUNDERSTORMS DEVELOPING IN THE HIGHER TERRAIN AROUND THE SAN
LUIS VALLEY THIS AFTERNOON...

AT 1230 LIMON RADAR REPORTED SCATTERED SHOWERS AND
THUNDERSTORMS...SOME WITH HEAVY RAIN... WERE IN AN AREA 70 MILES
WIDE...FROM SOUTHEAST OF ALAMOSA...TO NORTHWEST OF FORT COLLINS.
MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR.

THESE STORMS CAN PRODUCE STRONG DAMAGING WINDS...HAIL...FREQUENT
DANGEROUS LIGHTING AND BRIEF PERIODS OF HEAVY RAIN CAPABLE OF
PRODUCING FLOODING IN LOW LYING AREAS.

RESIDENTS OF THE VALLEY SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER
CONDITIONS AND TAKE NECESSARY PRECAUTIONS_ SHOULD DANGEROUS WEATHER
APPROACH.

REPORT ANY SEVERE WEATHER TO YOUR LOCAL OR STATE POLICE FOR RELAY TO
THE NATIONAL WEATHER SERVICE.

CALLAHAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 1:18 PM MDT	Severe Thunderstorm Warning	PUB	Huerfano, Pueblo	57 min
Jun 22, 2:21 PM MDT	Severe Thunderstorm Warning	PUB	Huerfano, Las Animas	69 min
Jun 22, 3:26 PM MDT	Severe Thunderstorm Warning	PUB	Pueblo	34 min
Jun 22, 3:45 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, Otero	60 min
Jun 22, 5:10 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Kiowa	50 min
Jun 22, 5:44 PM MDT	Severe Thunderstorm Warning	PUB	Bent, Kiowa, Prowers	46 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1991 Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.