Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 28, NWS Kansas City, MO

April 13, 1993Pettis County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 13, 1993, 1:39 PM CDT for Pettis County, Missouri. It was in force for 51 min.

The area

The counties it named.

The facts

Issued: Apr 13, 1993, 1:39 PM CDT (18:39 UTC)
Expired: Apr 13, 1993, 2:30 PM CDT
In force: 51 min
Issued by: NWS Kansas City, MO
Area: Whole counties

County Pettis County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 6.7 hours before the alert went out and 208 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 828 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 615 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 388 m²/s²
0-3 km storm-relative helicity: 381 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.0

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 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, Apr 13, 9:38 AM CDT, 4 hours 1 minute before

MOZ001-002-004-005-008-009-013-KSZ016-131545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
938 AM CDT TUE APR 13 1993

...STRONG THUNDERSTORMS MOVING INTO THE METRO AREA...

AT 930 AM...NUMEROUS STRONG THUNDERSTORMS PRODUCING PEA TO MARBLE SIZE
HAIL...AND VERY HEAVY RAIN WERE OCCURRING OVER EASTERN KANSAS AND OVER
PARTS OF THE KANSAS CITY METROPOLITAN AREA...WITH SCATTERED SHOWERS
AND THUNDERSTORMS IN WESTERN MISSOURI.

THE STRONGEST STORMS WERE IN A LINE WITH THE LEADING EDGE EXTENDING
FROM NORTH OF ST. JOSEPH NEAR MARYVILLE MISSOURI...TO LAWRENCE KANSAS
...WITH ANOTHER STORM JUST WEST OF DOWNTOWN KANSAS CITY MISSOURI.
PEA TO MARBLE SIZE HAIL HAS BEEN REPORTED OVER PARTS OF OVERLAND PARK
AND KANSAS CITY KANSAS.

MOVEMENT WAS TO THE EAST NORTHEAST AT 30 MILES AN HOUR...SO
THUNDERSTORMS WILL SPREAD INTO ALL OF THE KANSAS CITY METRO AREA
BY 1100 AM.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 300 PM THIS AFTERNOON
FOR PORTIONS OF EASTERN KANSAS AND WESTERN AND CENTRAL MISSOURI...
INCLUDING THE KANSAS CITY AND ST. JOSEPH AREAS.

REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AS SOME OF THE
STORMS MAY INTENSIFY AND BECOME SEVERE IN A SHORT PERIOD OF TIME.

ALSO...A FLASH FLOOD WATCH IS IN EFFECT FOR WEST CENTRAL MISSOURI...TO
THE SOUTH AND EAST OF THE KANSAS CITY AREA.  HEAVY RAIN MAY PRODUCE
FLOODING LATER THIS MORNING...AS HEAVY RAIN MOVES INTO THIS AREA.

DESTRI

&

Special weather statement, Apr 13, 9:39 AM CDT, 4 hours before

MOZ001-002-004-005-008-009-013-KSZ016-131545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
938 AM CDT TUE APR 13 1993

...STRONG THUNDERSTORMS MOVING INTO THE METRO AREA...

AT 930 AM...NUMEROUS STRONG THUNDERSTORMS PRODUCING PEA TO MARBLE SIZE
HAIL...AND VERY HEAVY RAIN WERE OCCURRING OVER EASTERN KANSAS AND OVER
PARTS OF THE KANSAS CITY METROPOLITAN AREA...WITH SCATTERED SHOWERS
AND THUNDERSTORMS IN WESTERN MISSOURI.

THE STRONGEST STORMS WERE IN A LINE WITH THE LEADING EDGE EXTENDING
FROM NORTH OF ST. JOSEPH NEAR MARYVILLE MISSOURI...TO LAWRENCE KANSAS
...WITH ANOTHER STORM JUST WEST OF DOWNTOWN KANSAS CITY MISSOURI.
PEA TO MARBLE SIZE HAIL HAS BEEN REPORTED OVER PARTS OF OVERLAND PARK
AND KANSAS CITY KANSAS.

MOVEMENT WAS TO THE EAST NORTHEAST AT 30 MILES AN HOUR...SO
THUNDERSTORMS WILL SPREAD INTO ALL OF THE KANSAS CITY METRO AREA
BY 1100 AM.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 300 PM THIS AFTERNOON
FOR PORTIONS OF EASTERN KANSAS AND WESTERN AND CENTRAL MISSOURI...
INCLUDING THE KANSAS CITY AND ST. JOSEPH AREAS.

REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AS SOME OF THE
STORMS MAY INTENSIFY AND BECOME SEVERE IN A SHORT PERIOD OF TIME.

ALSO...A FLASH FLOOD WATCH IS IN EFFECT FOR WEST CENTRAL MISSOURI...TO
THE SOUTH AND EAST OF THE KANSAS CITY AREA.  HEAVY RAIN MAY PRODUCE
FLOODING LATER THIS MORNING...AS HEAVY RAIN MOVES INTO THIS AREA.

DESTRI

&

Special weather statement, Apr 13, 12:44 PM CDT, 55 minutes before

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Special weather statement, Apr 13, 12:44 PM CDT, 55 minutes before

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Local storm report, Apr 13, 1:25 PM CDT, 14 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Local storm report, Apr 13, 1:27 PM CDT, 12 minutes before

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<head>
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 13, 9:46 AM CDT	Severe Thunderstorm Warning	EAX	Clay	44 min
Apr 13, 10:46 AM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson	44 min
Apr 13, 11:08 AM CDT	Severe Thunderstorm Warning	EAX	Cass	52 min
Apr 13, 11:25 AM CDT	Severe Thunderstorm Warning	EAX	Bates	50 min
Apr 13, 11:40 AM CDT	Flash Flood Warning	EAX	Jackson	3 hr
Apr 13, 12:15 PM CDT	Severe Thunderstorm Warning	EAX	Bates	60 min
Apr 13, 12:27 PM CDT	Severe Thunderstorm Warning	EAX	Macon, Randolph	48 min
Apr 13, 12:49 PM CDT	Severe Thunderstorm Warning	EAX	Henry	56 min
Apr 13, 2:35 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Pettis, Saline	40 min
Apr 13, 3:16 PM CDT	Severe Thunderstorm Warning	EAX	Howard	44 min
Apr 13, 3:35 PM CDT	Severe Thunderstorm Warning	EAX	Boone	40 min
Apr 13, 10:03 AM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth, Wyandotte	57 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1993 Every 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.