Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 211, NWS Kansas City, MO

September 21, 1993Holt County, Nodaway County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Sep 21, 1993, 7:41 PM CDT for Holt County, Nodaway County, Missouri. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Sep 21, 1993, 7:41 PM CDT (00:41 UTC)
Expired
Sep 21, 1993, 8:30 PM CDT
In force
49 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Holt County, MO, Nodaway County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.7 hours before the alert went out and 146 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, Topeka, KS at 00:00Z on 1993-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1569 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, Topeka, KS at 00:00Z on 1993-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 square meters per square second.19395878Sfc1 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
1569 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
506 m²/s²
Significant tornado parameter
0.0
Supercell composite
30.6

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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, Sep 21, 1:51 PM CDT, 5 hours 50 minutes before
MOZ004-005-008-009-KS016-211930-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
145 PM CDT SUN SEP 19 1993

...TORNADO WATCH IN EFFECT FOR PORTIONS OF EASTERN AND NORTHEASTERN
KANSAS AND WESTCENTRAL AND NORTHWEST MISSOURI...INCLUDING THE KANSAS
CITY AND ST JOSEPH AREAS...UNTIL 700 PM THIS EVENING...

AT 240 PM...A BAND OF THUNDERSTORMS...SOME VERY STRONG... WERE IN
NORTHEAST KANSAS AND SOUTHEAST NEBRASKA.

THE THUNDERSTORMS WERE IN AN AREA...25 MILES WIDE...AND EXTENDED FROM
25 MILES NORTHWEST OF TOPEKA TO EAST OF LINCOLN NEBRASKA.  THE STRONGEST
STORMS WERE TO THE NORTHWEST OF TOPEKA.

THE THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR.

PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT FOR LATER STATEMENTS AND
POSSIBLE WARNINGS.

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 21, 7:04 PM CDTSevere Thunderstorm WarningEAXBates, Cass56 min
Sep 21, 8:04 PM CDTTornado WarningEAXAndrew41 min
Sep 21, 8:22 PM CDTSevere Thunderstorm WarningEAXBuchanan53 min
Sep 21, 8:40 PM CDTSevere Thunderstorm WarningEAXAtchison, Holt50 min
Sep 21, 8:49 PM CDTSevere Thunderstorm WarningEAXDeKalb41 min
Sep 21, 8:49 PM CDTSevere Thunderstorm WarningEAXAndrew28 min
Sep 21, 8:58 PM CDTSevere Thunderstorm WarningEAXNodaway47 min
Sep 21, 9:35 PM CDTSevere Thunderstorm WarningEAXHolt, Nodaway40 min
Sep 21, 10:02 PM CDTSevere Thunderstorm WarningEAXGentry43 min
Sep 21, 10:10 PM CDTSevere Thunderstorm WarningEAXAndrew50 min
Sep 21, 10:10 PM CDTSevere Thunderstorm WarningEAXAtchison50 min
Sep 21, 10:25 PM CDTFlash Flood WarningEAXAndrew, DeKalb, Gentry, Nodaway4 hr
Sep 21, 10:37 PM CDTSevere Thunderstorm WarningEAXDaviess, DeKalb38 min
Sep 21, 10:49 PM CDTSevere Thunderstorm WarningEAXAndrew, DeKalb41 min
Sep 21, 11:05 PM CDTFlash Flood WarningEAXAtchison, Holt3 hr
Sep 21, 11:05 PM CDTFlash Flood WarningEAXDaviess3 hr
Sep 21, 11:26 PM CDTSevere Thunderstorm WarningEAXClinton49 min
Sep 22, 12:00 AM CDTSevere Thunderstorm WarningEAXDeKalb30 min
Sep 22, 12:20 AM CDTSevere Thunderstorm WarningEAXCaldwell, Clinton40 min
Sep 22, 12:52 AM CDTFlash Flood WarningEAXCaldwell2 hr
Sep 22, 1:07 AM CDTTornado WarningEAXCaldwell, Carroll, Ray38 min
Sep 22, 4:20 AM CDTSevere Thunderstorm WarningEAXAudrain40 min
Sep 22, 4:35 PM CDTSevere Thunderstorm WarningEAXLafayette40 min
Sep 22, 4:56 PM CDTSevere Thunderstorm WarningEAXJackson49 min
Sep 22, 5:10 PM CDTSevere Thunderstorm WarningEAXAudrain, Boone50 min
Sep 22, 5:37 PM CDTSevere Thunderstorm WarningEAXJackson, Lafayette53 min
Sep 22, 5:59 PM CDTSevere Thunderstorm WarningEAXAudrain, Boone, Callaway61 min
Sep 22, 5:59 PM CDTSevere Thunderstorm WarningEAXMontgomery61 min
Sep 22, 6:00 PM CDTSevere Thunderstorm WarningEAXJohnson45 min
Sep 22, 6:11 PM CDTSevere Thunderstorm WarningEAXCass49 min
Sep 22, 6:16 PM CDTSevere Thunderstorm WarningEAXJackson44 min
Sep 22, 6:23 PM CDTSevere Thunderstorm WarningEAXBoone, Cooper, Moniteau52 min
Sep 21, 7:33 PM CDTSevere Thunderstorm WarningEAXDoniphan42 min
Sep 22, 4:42 PM CDTSevere Thunderstorm WarningEAXJohnson, Wyandotte48 min
Sep 22, 5:33 PM CDTSevere Thunderstorm WarningEAXJohnson, Miami42 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1993Every severe thunderstorm warning in 1993

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.