Alert archive / Colorado / Flash Flood Warnings in 1986

Flash Flood Warning 1, NWS Goodland, KS

June 4, 1986El Paso County, Colorado

NWS Goodland, KS issued this flash flood warning at Jun 4, 1986, 7:45 PM MDT for El Paso County, Colorado. It was in force for 75 min.

The area

The counties it named.

The facts

Issued
Jun 4, 1986, 7:45 PM MDT (01:45 UTC)
Expired
Jun 4, 1986, 9:00 PM MDT
In force
75 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 1986-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1986-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939Sfc1 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
147 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1136 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 flash flood 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 4, 2:06 PM MDT, 5 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
300 PM CDT WED JUN 4 1986

AT 300 PM CDT SHOWERS AND STRONG THUNDERSTORMS CONTINUE TO DEVELOP
ACROSS NORTHWEST KANSAS...SOUTHWEST NEBRASKA AND EASTERN COLORADO.

THE STRONGEST THUNDERSTORMS OVER NORTHWEST KANSAS WERE 10 MILES EAST AND
25 MILES NORTHEAST OF ST FRANCIS IN CHEYENNE AND RAWLINS COUNTIES... 15
MILES EAST OF SHARON SPRINGS IN LOGAN COUNTY AND NEAR HILL CITY IN
GRAHAM COUNTY.

BRIEF HEAVY RAIN...GUSTY WINDS AND SOME SMALL HAIL WILL OCCUR WITH THESE
STORMS AS THEY MOVE NORTHEAST AT 10 MPH.

OTHER SHOWERS AND THUNDERSTORMS WERE WIDELY SCATTERED OVER MUCH OF
NORTHWEST KANSAS AND WILL CONTINUE TO DEVELOP INT;O THE EVENING HOURS.

WORKMAN
Special weather statement, Jun 4, 4:16 PM MDT, 3 hours 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
515 PM CDT WED JUN 4 1986

AT 515 RADAR INDICATES VERY HEAVY THUNDERSTORMS CONTINUING IN NORTHWEST
KANSAS MOVING SLOWLY NORTHEAST.

THE HEAVIEST STORMS ARE IN SHERIDAN COUNTY JUST NORTH OF HOXIE...
IN TREGO COUNTY IN THE COLLYER AREA WHICH IS 10 MILES NORTHWEST OF
WAKEENEY...AND IN THE EXTREME SOUTHWEST CORNER OF GOVE COUNTY OR ABOUT
10 MILES SOUTHWEST OF GOVE.

THE HEAVIER STORM CENTERS WILL HAVE GUSTY WINDS...BRIEF VERY HEAVY RAINS
...AND THE CHANCE OF SOME SMALL HAIL.

THE WEATHER OBSERVER IN THE ST PETER AREA REPORTED RAINFALL OF 2.75 INCHES.
MYERS
Special weather statement, Jun 4, 4:55 PM MDT, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
555 PM CDT WED JUN 4 1986

AT 555PM RADAR INDICATES VERY HEAVY THUNDERSTORMS CONTINUING IN NORTHWEST
KANSAS MOVING SLOWLY NORTHEAST.

WITH THE SLOW MOVEMENT OF THE STORMS AND THE HEAVY RAINFALL INDICATED
THERE IS THE POSSIBILITY OF SOME LOW LAND FLOODING AND WATER OVER SOME
ROADS IN NORTHWEST KANSAS.

THE AFFECTED AREA IS MAINLY GOVE AND TREGO COUNTIES WHERE A 15 MILE WIDE
AREA OF VERY HEAVY THUNDERSTORMS ARE LOCATED. THE STORMS EXTEND FROM THE
WAKEENEY AREA SOUTHWEST TO JUST SOUTH OF GOVE...SOUTHWEST TO THE SCOTT
LAKE AREA WHICH IS 10 MILES NORTH OF SCOTT CITY.

THE HEAVIER STORM CENTERS WILL HAVE GUSTY WINDS...VERY HEAVY RAINS
...AND THE CHANCE OF SOME SMALL HAIL.

MYERS
Special weather statement, Jun 4, 6:09 PM MDT, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
705 PM CDT WED JUN 4 1986

...STRONG THUNDERSTORMS CONTINUE OVER NORTHWEST AND WEST CENTRAL
KANSAS...

AT 705 PM CDT A LINE OF VERY STRONG THUNDERSTORMS WERE OVER WEST CENTRAL
KANSAS FROM NEAR CEDAR BLUFF RESERVOIR IN TREGO COUNTY TO 10 MILES
SOUTH OF SCOTT CITY IN SCOTT COUNTY. ANOTHER VERY STRONG THUNDERSTORM
OVER NORTHWEST KANSAS WAS 10 MILES NORTH OF OBERLIN IN NORTHERN DECATU&R
COUNTY.

THESE THUNDERSTORMS ARE MOVING NORTHEAST AT 10 MPH AND WILL PRODUCE
VERY HEAVY RAINS...STRONG GUSTY WINDS...SOME SMALL HAIL AND POSSIBLY
SOME FLOODING IN LOW LEVEL AREAS.

WORKMAN
Special weather statement, Jun 4, 7:06 PM MDT, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
805 PM CDT WED JUN 4 1986

...THUNDERSTORMS DECREASING OVER NORTHWEST AND WEST CENTRAL
KANSAS...

AT 805 PM CDT THUNDERSTORMS OVER NORTHWEST AND WEST CENTRAL KANSAS WAS
DECREASING IN INTENSITY. THE STRONGEST THUNDERSTORM OVER NORTHWEST
KANSAS WAS 10 MILES NORTH OF NORTON IN NORTHERN NORTON COUNTY. OTHER
SHOWERS AND THUNDERSTORMS COVERED MOST OF WEST CENTRAL KANSAS WITH THE
STRONGEST THUNDERSTORMS IN A LINE FROM NEAR CEDAR BLUFF RESERVOIR IN
TREGO COUNTY TO 5 MILES SOUTH OF SCOTT CITY IN SCOTT COUNTY.

THESE THUNDERSTORMS WILL CONTINUE TO DIMINISH IN INTENSITY BUT STILL
HAVE THE POTENTIAL TO PRODUCE HEAVY RAIN AS THEY M^OVE NORTHEAST AT 10
MPH.

WORKMAN

Nearby

Flash Flood Warnings in Colorado, 1986Every flash flood warning in 1986

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.