Alert archive / Kansas / Tornado Warnings in 1991

Tornado Warning 1, NWS Goodland, KS

April 11, 1991Rooks County, Kansas

NWS Goodland, KS issued this tornado warning at Apr 11, 1991, 9:18 PM CDT for Rooks County, Kansas. It was in force for 42 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
Apr 11, 1991, 9:18 PM CDT (02:18 UTC)
Expired
Apr 11, 1991, 10:00 PM CDT
In force
42 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Rooks County, KS

What was reported inside it

TimeReportWhereRemark
Apr 11, 9:25 PM CDTTornado F1Rooks, KS

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.3 hours before the alert went out and 226 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, N. Platte/Lee Bi, NE at 00:00Z on 1991-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, N. Platte/Lee Bi, NE at 00:00Z on 1991-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
935 m above ground
0-6 km bulk shear
90 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
220 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 tornado 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, Apr 11, 5:15 PM CDT, 4 hours 3 minutes before
KSZ004-007-008-112315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
515 PM CDT THU APR 11 1991

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF CENTRAL AND NORTH CENTRAL
   KANSAS UNTIL 10 PM CDT...

AT 5 15 PM CDT...NO PRECIPITATION WAS NOTED OVER WESTERN KANSAS IN THE
WATCH AREA.

DORSEY

MOSTLY CLOUDY SKIES ALONG WITH SCATTERED SHOWERS AND THUNDERSTORMS
ARE EXPECTED OVER NORTHWEST KANSAS OVERNIGHT.  TEMPERATURES WILL COOL
TO THE LOW 40S TO UPPER 40S BY SUNRISE.

GAHAGAN
Special weather statement, Apr 11, 6:27 PM CDT, 2 hours 51 minutes before
KSZ004-007-008-120030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
625 PM CDT THU APR 11 1991

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF CENTRAL AND NORTH CENTRAL
   KANSAS UNTIL 10 PM CDT...

AT 620 PM CDT...A THUNDERSTORM WAS REPORTED OVER EASTERN ROOKS COUNTY OF
CENTRAL KANSAS...ABOUT 35 MILES NORTH OF HAYS. THE STORM WAS MOVING TO
THE NORTH AT 30 MPH.

THIS WAS THE ONLY PRECIPITATION NOTED IN THE WATCH AREA OF WEST CENTRAL
KANSAS.

DORSEY
Special weather statement, Apr 11, 7:37 PM CDT, 1 hour 41 minutes before
KSZ004-007-008-120130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
730 PM CDT THU APR 11 1991

...A TORNADO WATCH IS IN EFFECT FOR PARTS OF CENTRAL AND NORTH CENTRAL
   KANSAS UNTIL 10 PM CDT...

AT 725 PM CDT...THUNDERSTORMS CONTINUED TO DEVELOP OVER WEST CENTRAL KANSAS
AND MOVE RAPIDLY NORTHWARD INTO NEBRASKA. STORMS WERE REPORTED IN ELLIS
COUNTY JUST WEST OF HAYS AND ACROSS PHILLIPS COUNTY..40 TO 50 MILES NORTH
OF HAYS. PEA TO MARBLE SIZE HAIL..LOCALLY HEAVY RAINS AND GUSTY WINDS
HAVE BEEN REPORTED WITH THESE STORMS AS THEY MOVE TO THE NORTH AT 30 MPH.

DORSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 11, 8:05 PM CDTSevere Thunderstorm WarningGLDRooks40 min
Apr 11, 8:48 PM CDTSevere Thunderstorm WarningGLDPhillips, Rooks57 min
Apr 11, 9:31 PM CDTTornado WarningGLDPhillips44 min

Nearby

Tornado Warnings in Kansas, 1991Every tornado warning in 1991Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.