Alert archive / Colorado / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 89, NWS Goodland, KS

July 19, 1990El Paso County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jul 19, 1990, 7:45 PM MDT for El Paso County, Colorado. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jul 19, 1990, 7:45 PM MDT (01:45 UTC)
Expired
Jul 19, 1990, 8:20 PM MDT
In force
35 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

Denver, CO (KDEN), launched 00:00Z, 1.8 hours before the alert went out and 160 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 1990-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 475 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 1990-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.193958Sfc1 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
475 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1881 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDEN 200147
SVRDEN
COC041-200220-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO 
ISSUED FOR WSO COLORADO SPRINGS COLORADO 
745 PM MDT THU JUL 19 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 820 PM  MDT FOR PEOPLE IN THE
FOLLOWING COUNTIES OF EAST CENTRAL COLORADO:

     NORTH CENTRAL EL PASO

INCLUDING THE FOLLOWING TOWNS/CITIES:

     BLACK FOREST...PEYTON...FALCON

AT 742 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
STORM WAS LOCATED 13 MILES NORTHEAST OF COLORADO SPRINGS...AND
WAS MOVING EAST ABOUT 15 MILES AN HOUR.  AT 730 PM A PUBLIC REPORT OF 
ONE INCH HAIL WAS RECEIVED.  

IF SEVERE WEATHER APPROACHES YOUR AREA..GO TO A STURDY
SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD PRONE AREAS.
REMEMBER..A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING
HAIL..DAMAGING WINDS OF OVER 60 MPH..DEADLY LIGHTNING..AND
HEAVY RAINS THAT CAN QUIJCKLY FLOOD A LOW LYING AREA.

RTG

LAT..LON  3885 10437 3885 10471 3902 10473 3906 10437

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 19, 2:30 PM MDT, 5 hours 15 minutes before
KSZ001-002-004-005-007-192120-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
330 PM CDT THU JUL 19 1990

AT 315 PM CDT STRONG THUNDERSTORMS WITH VERY HEAVY RAINS AND POSSIBLE
SOME SMALL HAIL WAS IN A LINE FROM 75 MILES EAST OF GOODLAND KANSAS JUST
NORTH OF HOXIE KANSAS TO 50 MILES SOUTH OF GOODLAND.    THE HEAVIEST
RAINS WERE JUST EAST OF OAKLEY  TO RUSSELL SPRINGS KANSAS.

THE STORMS WERE MOVING EAST SOUTHEAST AT 20 MPH.

RESIDENTS OF SCOTT..GOVE..AND GRAHAM COUNTIES INCLUDING THE CITIES OF
HILL CITY, QUINTER AND SCOTT CITY CAN EXPECT HEAVY RAINS..STRONG AND
GUSTY WINDS AND DANGEROUS LIGHTNING BY 5 PM CDT THIS EVENING.

BOYLE
Special weather statement, Jul 19, 3:02 PM MDT, 4 hours 43 minutes before
KSZ001-002-004-005-007-192155-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
400 PM CDT THU JUL 19 1990

AT 355 PM CDT STRONG THUNDERSTORMS WITH VERY HEAVY RAINS AND POSSIBLE
SOME SMALL HAIL WAS IN A LINE FROM 85 MILES EAST OF GOODLAND JUST
WEST OF HILL CITY TO 60 MILES SOUTHEAST OF GOODLAND.    THE HEAVIEST
RAINS WERE NEAR QUINTER ALONG I-70 TO NORTHEAST OF LEOTI KANSAS.

THE STORMS WERE MOVING EAST SOUTHEAST AT 25 MPH.

RAINFALL AMOUNTS OF AROUND 1 INCH IN LESS THAN ONE HOUR HAVE BEEN
REPORTED WITH THESE STORMS.

RESIDENTS OF SCOTT..GOVE..AND GRAHAM COUNTIES INCLUDING THE CITIES OF
HILL CITY, QUINTER AND SCOTT CITY CAN EXPECT HEAVY RAINS..STRONG AND
GUSTY WINDS AND DANGEROUS LIGHTNING UNTIL 5 PM CDT THIS EVENING.

BOYLE
Special weather statement, Jul 19, 4:08 PM MDT, 3 hours 37 minutes before
KSZ-002-004-005-007-008-192155-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
500 PM CDT THU JUL 19 1990

AT 5 PM CDT STRONG THUNDERSTORMS WITH VERY HEAVY RAINS AND POSSIBLY
SOME SMALL HAIL WAS IN A LINE 70 TO 100 MILES SOUTHEAST OF GOODLAND
OR FROM WAKEENEY TO SCOTT CITY MOVING SOUTHEAST 20 MPH.

THE LEADING EDGE OF SOME LIGHTER SHOWERS EXTENDED FROM PHILLIPSBURG
SOUTHWEST TO DIGHTON WITH THE PRECIPITATION ENDING FROM OBERLIN
SO7UTHWEST TO LEOTI.

RESIDENTS OF SCOTT..LANE..AND TREGO COUNTIES INCLUDING THE CITIES OF
SCOTT CITY AND DIGHTON AND THE CEDAR BLUFF RESERVOIR AREA CAN EXPECT
GUSTY WINDS AND DANGEROUS LIGHTNING UNTIL 6 PM CDT THIS EVENING.

MYERS
Special weather statement, Jul 19, 4:59 PM MDT, 2 hours 46 minutes before
KSZ-002-004-005-007-008-192359-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
600 PM CDT THU JUL 19 1990

AT 6 PM CDT THE STRONG THUNDERSTORMS HAVE MOVED SOUTHEAST INTO
SOUTHWEST KANSAS.@

SHOWERS AND OCCASIONAL THUNDERSHOWERS EXTEND FROM 70 TO 100 MILES
SOUTHEAST OF GOODLAND OR ALONG AND EAST OF A LINE FROM NORTON
SOUTHWEST TO GOVE AND SCOTT CITY. MOVEMENT WAS SOUTHEAST 20 MPH.

MYERS
Special weather statement, Jul 19, 6:05 PM MDT, 1 hour 40 minutes before
KSZ-005-007-008-200100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
700 PM CDT THU JUL 19 1990

AT 7 PM CDT RADAR INDICATED THE SHOWERS AND THUNDERSHOWERS FROM 30
MILES NORTH OF HAYS TO 75 MILES SOUTHWEST OF HAYS MOVING SOUTHEAST
20 MPH.

THE PRECIPITATION WAS ALONG AND EAST OF A LINE FROM STOCKTON
SOUTHWEST TO WAKEENEY TO DIGHTON.

NO SEVERE WEATHER IS EXPECTED THIS EVENING IN NORTHWEST KANSAS.
Special weather statement, Jul 19, 6:59 PM MDT, 46 minutes before
KSZ-005-008-200200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
800 PM CDT THU JUL 19 1990

AT 8 PM CDT RADAR INDICATED THE SHOWERS AND THUNDERSHOWERS WERE MOVING
SOUTHEAST 20 MPH OUT OF THE NORTHWEST KANSAS AREA. THE PRECIPITATION IS
ALONG AND EAST OF A LINE FROM 20 MILES NORTH OF HAYS TO 50 MILES
SOUTHWEST OF HAYS.

LIGHT TO MODERATE SHOWERS CAN BE EXPECTED IN ELLIS...NESS...AND RUSH
COUNTIES UNTIL 10PM CDT.

AS NO SEVERE WEATHER IS EXPECTED IN NORTHWEST KANSAS THIS WILL BE THE
LAST STATEMENT ON THIS ACTIVITY. THE NETWORK RADARS WILL CONTINUE WITH
THEIR HOURLY RADAR SUMMARIES.

MYERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 12:09 PM MDTSevere Thunderstorm WarningGLDElbert, Lincoln66 min
Jul 20, 1:05 PM MDTSevere Thunderstorm WarningGLDEl Paso55 min
Jul 20, 1:05 PM MDTSevere Thunderstorm WarningGLDElbert55 min
Jul 20, 2:45 PM MDTSevere Thunderstorm WarningGLDEl Paso, Lincoln60 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.