Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 61, NWS St. Louis, MO

June 28, 1993Bond County, Madison County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 28, 1993, 1:29 PM CDT for Bond County, Madison County, Illinois. It was in force for 22 min.

The area

The counties it named.

The facts

Issued: Jun 28, 1993, 1:29 PM CDT (18:29 UTC)
Expired: Jun 28, 1993, 1:51 PM CDT
In force: 22 min
Issued by: NWS St. Louis, MO
Area: Whole counties

Counties Bond County, IL, Madison County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 6.5 hours before the alert went out and 216 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: 1206 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 920 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 28 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 28, 9:03 AM CDT, 4 hours 26 minutes before

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Special weather statement, Jun 28, 9:17 AM CDT, 4 hours 12 minutes before

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      <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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Special weather statement, Jun 28, 9:22 AM CDT, 4 hours 7 minutes before

MOZ003-006-007-010-011-281515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
917 AM CDT MON JUN 28 1993

...THE SEVERE THUNDERSTORM WATCH FOR NORTHEAST MISSOURI AND EXTREME WEST
CENTRAL ILLINOIS HAS BEEN CANCELLED...

THE SEVERE THUNDERSTORM WATCH FOR NORTHEAST MISSOURI AND EXTREME WEST
CENTRAL ILLINOIS HAS BEEN CANCELLED.   BETWEEN 8 AND 9 AM...THE
THUNDERSTORMS OVER NORTHEAST MISSOURI WEAKENED CONSIDERABLY IN
INTENSITY...ENDING THE THREAT OF SEVERE WEATHER.

AT 915 AM...WEATHER SERVICE RADAR INDICATED SHOWERS AND A FEW
THUNDERSTORMS SCATTERED THROUGHOUT NORTHEAST MISSOURI AND WEST CENTRAL
ILLINOIS...GENERALLY ALONG AND NORTH OF A COLUMBIA...TROY MISSOURI LINE.
THESEh SHOWERS AND STORMS WERE MOVING EAST AT 25 TO 30 MILES AN HOUR.

TRUETT

Special weather statement, Jun 28, 9:25 AM CDT, 4 hours 4 minutes before

MOZ006-009-281030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
925 AM CDT MON JUN 28 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 AM CDT...

AT 925 AM STRONG THUNDERSTORMS WERE LOCATED FROM 10 MILES WEST OF
LACLEDE TO 10 MILES WEST OF BRUNSWICK.  THE THUNDERSTORMS WERE MOVING
TO THE EAST AT 35 MPH.

THESE THUNDERSTORMS WERE NOT YET SEVERE BUT HAVE THE POTENTIAL TO
STRENGTHEN TO SEVERE STRENGTH.  EXPECT STRONG GUSTY WINDS...VERY
HEAVY RAIN...AND POSSIBLY SMALL HAIL AS THESE STORMS AFFECT
LACLEDE...SUMNER...AND BRUNSWICK THROUGH 500 AM.

KENNEDY

Special weather statement, Jun 28, 12:02 PM CDT, 1 hour 27 minutes before

MOZALL-291200-

MISSOURI SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
12 NOON CDT MON JUN 28 1993

THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS ACROSS VIRTUALLY ALL
OF MISSOURI...EXCEPT FOR THE SOUTHEAST CORNER...FROM LATE THIS AFTERNOON
INTO TONIGHT.

EMERGENCY MANAGERS AND SKYWARN SPOTTER NETWORKS SHOULD KEEP ADVISED OF
THE LATEST WEATHER FORECASTS FOR POSSIBLE SKYWARN ACTIVATION.

JPK

Special weather statement, Jun 28, 12:02 PM CDT, 1 hour 27 minutes before

MOZALL-291200-

MISSOURI SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
12 NOON CDT MON JUN 28 1993

THERE IS A SLIGHT CHANCE FOR SEVERE THUNDERSTORMS ACROSS VIRTUALLY ALL
OF MISSOURI...EXCEPT FOR THE SOUTHEAST CORNER...FROM LATE THIS AFTERNOON
INTO TONIGHT.

EMERGENCY MANAGERS AND SKYWARN SPOTTER NETWORKS SHOULD KEEP ADVISED OF
THE LATEST WEATHER FORECASTS FOR POSSIBLE SKYWARN ACTIVATION.

JPK

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 28, 3:10 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	35 min
Jun 28, 3:42 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	23 min
Jun 28, 4:26 PM CDT	Severe Thunderstorm Warning	LSX	Dent	44 min
Jun 28, 5:13 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	47 min
Jun 28, 5:19 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Warren	41 min
Jun 28, 5:44 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	46 min
Jun 28, 6:30 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis, City of Saint Louis	45 min
Jun 28, 6:31 PM CDT	Flash Flood Warning	LSX	Franklin	3 hr
Jun 28, 6:54 PM CDT	Flash Flood Warning	LSX	Saint Louis, City of Saint Louis	3 hr
Jun 28, 6:54 PM CDT	Flash Flood Warning	LSX	Saint Charles	3 hr
Jun 28, 2:15 PM CDT	Severe Thunderstorm Warning	LSX	Fayette	36 min
Jun 28, 2:41 PM CDT	Severe Thunderstorm Warning	LSX	Effingham	39 min
Jun 28, 3:28 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton	47 min
Jun 28, 3:42 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	48 min
Jun 28, 4:20 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Marion	40 min
Jun 28, 4:40 PM CDT	Severe Thunderstorm Warning	LSX	Washington	35 min
Jun 28, 4:57 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson	63 min

Nearby

Severe Thunderstorm Warnings in Illinois, 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.