Alert archive / Colorado / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 98, NWS Goodland, KS

July 23, 1990El Paso County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jul 23, 1990, 2:49 PM MDT for El Paso County, Colorado. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jul 23, 1990, 2:49 PM MDT (20:49 UTC)
Expired
Jul 23, 1990, 3:45 PM MDT
In force
56 min
Issued by
NWS Goodland, KS
Area
Whole counties

County El Paso County, CO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 8.8 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.

Skew-T log-pSkew-T log-p diagram, Fort Carson/Butt, CO at 12:00Z on 1990-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Carson/Butt, CO at 12:00Z on 1990-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.19395878Sfc1 km3 km6 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
92 J/kg
Mixed-layer CIN
-312 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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, Jul 23, 2:01 PM MDT, 48 minutes before
KSZ001-004-232100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
300 PM CDT MON JUL 23 1990

...ISOLATED INTENSE THUNDERSTORM DEVELOPING OVER NORTHWEST KANSAS...
AT 300 PM CDT AN ISOLATED INTENSE THUNDERSTORM WAS DEVELOPING 50 MILES
NORTHEAST OF GOODLAND NEAR ATWOOD KANSAS. MOVEMENT WILL LIKELY BE EAST
AT 15 TO 20 MPH.

PERSONS IN EASTERN RAWLINS AND WESTERN DECATUR COUNTIES OF NORTHWEST
KANSAS CAN EXPECT BRIEF HEAVY RAIN...SOME SMALL HAIL AND GUSTY WINDS
UNTIL 400 PM CDT.

IF THREATENING WEATHER APPROACHES YOUR AREA...MOVE TO A BASEMENT OR
REINFORCED SHELTER IMMEDIATELY.

WORKMAN

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 23, 2:29 PM MDTSevere Thunderstorm WarningGLDDecatur, Rawlins61 min
Jul 23, 2:29 PM MDTSevere Thunderstorm WarningGLDTrego61 min
Jul 23, 2:41 PM MDTSevere Thunderstorm WarningGLDDecatur, Rawlins49 min
Jul 23, 2:41 PM MDTSevere Thunderstorm WarningGLDTrego49 min
Jul 23, 3:20 PM MDTSevere Thunderstorm WarningGLDSheridan55 min
Jul 23, 4:16 PM MDTSevere Thunderstorm WarningGLDSheridan59 min
Jul 23, 5:28 PM MDTSevere Thunderstorm WarningGLDGove, Logan62 min
Jul 23, 4:38 PM MDTSevere Thunderstorm WarningGLDElbert67 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1990Every severe thunderstorm warning in 1990

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.