Alert archive / Missouri / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 105, NWS Kansas City, MO

June 30, 1993Audrain County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 30, 1993, 5:39 PM CDT for Audrain County, Missouri. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1993, 5:39 PM CDT (22:39 UTC)
Expired
Jun 30, 1993, 6:20 PM CDT
In force
41 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Audrain County, MO

The radar

The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 22:39 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 10.7 hours before the alert went out and 309 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, Springfield, MO at 12:00Z on 1993-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1965 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, Springfield, MO at 12:00Z on 1993-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 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
1965 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
678 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
161 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 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, Jun 30, 3:35 PM CDT, 2 hours 4 minutes before
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Special weather statement, Jun 30, 3:40 PM CDT, 1 hour 59 minutes before
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Special weather statement, Jun 30, 4:45 PM CDT, 54 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-302245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
445 PM CDT WED JUN 30 1993

...TORNADO WATCH UNTIL 8 PM FOR NORTHEAST KANSAS AND NORTHWEST...WEST
   CENTRAL AND CENTRAL MISSOURI...INCLUDING THE KANSAS CITY METRO
   AREA AND ST JOSEPH...
...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR EXTREME NORTHERN MISSOURI...
...FLASH FLOOD WATCH FOR NORTHERN MISSOURI AND EASTERN KANSAS TONIGHT...

AT 430 PM CDT...STRONG THUNDERSTORMS WERE LOCATED OVER NORTHWEST
MISSOURI...AND SOUTHEAST AND SOUTHCENTRAL IOWA.  THE STRONGEST STORMS
WERE LOCATED 20 MILES NORTHEAST OF MARYVILLE MISSOURI...FROM HOPKINS
MISSOURI TO GRANT CITY MISSOURI.  THESE STORMS WILL PRODUCE VERY HEAVY
RAIN AND GUSTY WINDS.  MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR.

ANOTHER STRONG THUNDERSTORM HAD RAPIDLY DEVELOPED AT JUNCTION CITY...IN
CENTRAL KANSAS...AND WAS MOVING TO THE EAST AT 30 MILES AN HOUR.
.
EVERSOLE

WWUS35KDSM,2
Special weather statement, Jun 30, 4:47 PM CDT, 52 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-302245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
445 PM CDT WED JUN 30 1993

...TORNADO WATCH UNTIL 8 PM FOR NORTHEAST KANSAS AND NORTHWEST...WEST
   CENTRAL AND CENTRAL MISSOURI...INCLUDING THE KANSAS CITY METRO
   AREA AND ST JOSEPH...
...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR EXTREME NORTHERN MISSOURI...
...FLASH FLOOD WATCH FOR NORTHERN MISSOURI AND EASTERN KANSAS TONIGHT...

AT 430 PM CDT...STRONG THUNDERSTORMS WERE LOCATED OVER NORTHWEST
MISSOURI...AND SOUTHEAST AND SOUTHCENTRAL IOWA.  THE STRONGEST STORMS
WERE LOCATED 20 MILES NORTHEAST OF MARYVILLE MISSOURI...FROM HOPKINS
MISSOURI TO GRANT CITY MISSOURI.  THESE STORMS WILL PRODUCE VERY HEAVY
RAIN AND GUSTY WINDS.  MOVEMENT WAS TO THE EAST AT 30 MILES AN HOUR.

ANOTHER STRONG THUNDERSTORM HAD RAPIDLY DEVELOPED AT JUNCTION CITY...IN
CENTRAL KANSAS...AND WAS MOVING TO THE EAST AT 30 MILES AN HOUR.
.
EVERSOLE
Special weather statement, Jun 30, 5:15 PM CDT, 24 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-302245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
515 PM CDT WED JUN 30 1993

...TORNADO WATCH UNTIL 8 PM FOR NORTHEAST KANSAS AND NORTHWEST...WEST
   CENTRAL AND CENTRAL MISSOURI...INCLUDING THE KANSAS CITY METRO
   AREA AND ST JOSEPH...
...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR EXTREME NORTHERN MISSOURI...
...FLASH FLOOD WATCH FOR NORTHERN MISSOURI AND EASTERN KANSAS TONIGHT...

AT 510 PM CDT...STRONG THUNDERSTORMS WERE LOCATED OVER NORTHWEST
MISSOURI...THE STRONGEST STORM WAS LOCATED NORTHWEST OF BETHANY NEAR
GRANT CITY.  ANOTHER STRONG THUNDERSTORM WAS LOCATED NEAR TARKIO IN
ATCHISON COUNTY.  THESE STORMS WILL PRODUCE VERY HEAVY RAIN...GUSTY
WINDS...AND POTENIALLY DEADLY LIGHTNING.

THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

GH
Special weather statement, Jun 30, 5:20 PM CDT, 19 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-302245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
515 PM CDT WED JUN 30 1993

...TORNADO WATCH UNTIL 8 PM FOR NORTHEAST KANSAS AND NORTHWEST...WEST
   CENTRAL AND CENTRAL MISSOURI...INCLUDING THE KANSAS CITY METRO
   AREA AND ST JOSEPH...
...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR EXTREME NORTHERN MISSOURI...
...FLASH FLOOD WATCH FOR NORTHERN MISSOURI AND EASTERN KANSAS TONIGHT...

AT 510 PM CDT...STRONG THUNDERSTORMS WERE LOCATED OVER NORTHWEST
MISSOURI...THE STRONGEST STORM WAS LOCATED NORTHWEST OF BETHANY NEAR
GRANT CITY.  ANOTHER STRONG THUNDERSTORM WAS LOCATED NEAR TARKIO IN
ATCHISON COUNTY.  THESE STORMS WILL PRODUCE VERY HEAVY RAIN...GUSTY
WINDS...AND POTENIALLY DEADLY LIGHTNING.

THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

GH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 11:49 AM CDTSevere Thunderstorm WarningEAXBuchanan, Platte56 min
Jun 30, 6:20 PM CDTSevere Thunderstorm WarningEAXAtchison, Nodaway55 min
Jun 30, 6:49 PM CDTSevere Thunderstorm WarningEAXNodaway56 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; radar from the NEXRAD Level II archive.