Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 48, NWS St. Louis, MO

April 27, 1994Iron County, Reynolds County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 27, 1994, 5:07 PM CDT for Iron County, Reynolds County, Missouri. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Apr 27, 1994, 5:07 PM CDT (22:07 UTC)
Expired
Apr 27, 1994, 6:15 PM CDT
In force
68 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Iron County, MO, Reynolds County, MO

The radar

The St Louis radar (KLSX), 141 km from the middle of the area, began a volume at 22:11 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

Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.1 hours before the alert went out and 193 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, Paducah/Barkley, KY at 12:00Z on 1994-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1797 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, Paducah/Barkley, KY at 12:00Z on 1994-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
1797 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
618 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
1.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTL 272209
SVRSTL
MOC093-179-272315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
507 PM CDT WED APR 27 1994
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS IS

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 27, 2:57 PM CDT, 2 hours 10 minutes before
MOZALL-272100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
255 PM CDT WED APR 27 1994

...TORNADO AND SEVERE THUNDERSTORM WATCHES HAVE BEEN ISSUED FOR
PARTS OF SOUTHERN AND WESTERN MISSOURI...

A TORNADO WATCH IS IN EFFECT FOR EXTREME SOUTHWEST MISSOURI UNTIL
9 PM CDT.  THIS WATCH INCLUDES THE TOWNS OF BRANSON AND CASSVILLE.

ANOTHER TORNADO WATCH HAS BEEN ISSUED FOR SOUTH CENTRAL AND SOUTHEAST
MISSOURI UNTIL 10 PM CDT.  THIS WATCH INCLUDES THE TOWNS OF
WEST PLAINS...POPLAR BLUFF...KENNET...NEW MADRID...CARUTHERSVILLE
AND CAPE GIRARDEAU.

THE REST OF SOUTHWEST MISSOURI ALONG WITH WEST CENTRAL AND CENTRAL
MISSOURI ARE UNDER A SEVERE THUNDERSTORM WATCH UNTIL 9PM.  THIS WATCH
INCLUDES THE SPRINGFIELD...JOPLIN...JEFFERSON CITY...KANSAS CITY...AND
COLUMBIA AREAS.

PEOPLE IN THE AREAS COVERED BY THESE WATCH SHOULD CLOSELY MONITOR THE
WEATHER CONDITIONS THE REST OF THIS AFTERNOON AND THIS EVENING.  BE
PREPARED TO MOVE TO A SAFE PLACE IF SEVERE THUNDERSTORMS MOVE INTO
YOUR AREA.

FERRY
Special weather statement, Apr 27, 3:07 PM CDT, 2 hours before
MOZ024-025-032-033-039>042-045>051-055>059-068>070-272110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
306 PM CDT WED APR 27 1994

...STRONG THUNDERSTORMS WERE DEVELOPING ACROSS CENTRAL MISSOURI...

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM...

AT 305 PM RADAR SHOWED AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN IN
CENTRAL MISSOURI.  THIS AREA WAS WEST OF A LINE FROM JUST NORTH OF
MARSHALL TO 30 MILES WEST OF JEFFERSON CITY NEAR VERSAILLES.  THESE
STORMS ARE MOVING NORTHEAST AT 35 MPH AND WILL AFFFECT THE COUNTIES OF
CHARITON...HOWARD...COOPER AND MONITEAU DURING THE NEXT HOUR.  GUSTY
WINDS...BRIEF VERY HEAVY RAINS...SMALL HAIL AND FREQUENT LIGHTNING
WILL ACCOMPANY THESE STORMS.  PREPARE TO TAKE COVER IF YOU ARE IN
THE PATH OF THESE STORMS

GG
Special weather statement, Apr 27, 3:20 PM CDT, 1 hour 47 minutes before
MOZ024-025-032-033-039>042-045>051-055>059-068>070-272120-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
319 PM CDT WED APR 27 1994

...STRONG THUNDERSTORMS WERE IN CENTRAL MISSOURI...

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM...

AT 320 PM RADAR SHOWED AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN IN
CENTRAL MISSOURI.  THIS AREA WAS WEST OF A LINE FROM 45 MILES
NORTHWEST OF COLUMBIA...TO 15 MILES WEST OF COLUMBIA...TO 25 MILES
SOUTHWEST OF JEFFERSON CITY.  THESE STORMS ARE MOVING
NORTHEAST AT 35 MPH AND WILL AFFFECT THE COUNTIES OF
RANDOLPH...BOONE...COLE AND MILLER DURING THE NEXT HOUR.  THESE STORMS
PRODUCED HALF INCH SIZE HAIL IN SEDALIA.   GUSTY WINDS...BRIEF VERY
HEAVY RAINS...SMALL HAIL AND FREQUENT LIGHTNING WILL ACCOMPANY THESE
STORMS. PREPARE TO TAKE COVER IF YOU ARE IN THE PATH OF THESE STORMS

GG
Special weather statement, Apr 27, 3:38 PM CDT, 1 hour 29 minutes before
MOZ024-025-032-033-039>042-045>051-055>059-068>070-272140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
337 PM CDT WED APR 27 1994

...STRONG THUNDERSTORMS WERE MOVING INTO COLUMBIA...

AT 337 PM RADAR INDICATED THAT STRONG THUNDERSTORMS WERE MOVING INTO
COLUMBIA.  GUSTY WINDS...SMALL HAIL..AND BRIEF VERY HEAVY RAINS WILL
ACCOMPANY THESE STORMS AS THEY CONTINUE TO MOVE EAST AT 35 MPH.  IF YOU
ARE IN THE PATH OF THESE STORMS TAKE COVER NOW.

GG
Special weather statement, Apr 27, 4:28 PM CDT, 39 minutes before
MOZ052-027-036-035-ILZ095-096-097-272330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
427 PM CDT WED APR 27 1994

...THUNDERSTORMS HEADED FOR NORTHEAST MISSOURI AND WEST CENTRAL
ILLINOIS...

AT 420 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS OVER
CENTRAL MISSOURI.  THE STORMS WERE JUST EAST OF COLUMBIA AND MOVING
NORTHEAST AT 30 MPH.  THE THUNDERSTORMS WILL BE MOVING INTO THE
BOWLING GREEN...HANNIBAL AND QUIN~CY ILLINOIS AREAS BETWEEN 5 AND 6 PM.

THESE STORMS STORMS WILL PRODUCE BRIEF HEAVY RAINS...HAIL AND STRONG
WIND GUSTS AS THEY MOVE THROUGH.

FERRY/TRUETT
Special weather statement, Apr 27, 4:39 PM CDT, 28 minutes before
MOZ051-272240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
436 PM CDT WED APR 27 1994

...A STRONG THUNDERSTORM IS MOVING INTO MONTGOMERY COUNTY...

AT 433PM CDT WEATHER SERVICE RADAR SHOWED A THUNDERSTORM WITH VERY
HEAVY RAIN STRETCHING FROM 5 MILES SOUTHEAST OF MEXICO TO 25 MILES
SOUTHEAST OF MEXICO. PEA SIZED HAIL WAS REPORTED WITH THIS STORM AS
IT MOVED THROUGH BOONE...CALLAWAY...AND AUDRAIN COUNTIES.

THIS STORM WAS MOVING EAST AT 35MPH TOWARDS THE COMMUNITIES OF
WELLSVILLE...MONTGOMERY CITY...AND BELLFLOWER.

PEOPLE ACROSS MONTGOMERY COUNTY SHOULD BE PREPARED TO SEEK SHELTER
QUICKLY IF THREATENING WEATHER APPROACHES.

 IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

REAUGH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 7:08 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds67 min
Apr 26, 7:17 PM CDTSevere Thunderstorm WarningLSXFranklin58 min
Apr 26, 7:27 PM CDTSevere Thunderstorm WarningLSXPhelps63 min
Apr 26, 7:32 PM CDTSevere Thunderstorm WarningLSXCrawford, Dent43 min
Apr 26, 7:46 PM CDTSevere Thunderstorm WarningLSXWashington59 min
Apr 26, 7:47 PM CDTSevere Thunderstorm WarningLSXSaint Charles43 min
Apr 26, 8:00 PM CDTSevere Thunderstorm WarningLSXSaint Louis60 min
Apr 26, 8:15 PM CDTSevere Thunderstorm WarningLSXFranklin, Warren60 min
Apr 26, 8:29 PM CDTSevere Thunderstorm WarningLSXSaint Louis46 min
Apr 26, 8:34 PM CDTSevere Thunderstorm WarningLSXSaint Charles56 min
Apr 26, 8:39 PM CDTSevere Thunderstorm WarningLSXCrawford66 min
Apr 26, 8:47 PM CDTTornado WarningLSXCrawford43 min
Apr 26, 8:52 PM CDTSevere Thunderstorm WarningLSXWashington68 min
Apr 26, 9:16 PM CDTSevere Thunderstorm WarningLSXJefferson59 min
Apr 26, 9:21 PM CDTSevere Thunderstorm WarningLSXLincoln, Pike54 min
Apr 26, 9:23 PM CDTTornado WarningLSXJefferson52 min
Apr 26, 9:35 PM CDTSevere Thunderstorm WarningLSXIron, Saint Francois55 min
Apr 26, 9:46 PM CDTSevere Thunderstorm WarningLSXSaint Louis59 min
Apr 26, 9:54 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve66 min
Apr 27, 12:12 AM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson48 min
Apr 27, 12:33 AM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis42 min
Apr 27, 2:00 AM CDTSevere Thunderstorm WarningLSXIron, Saint Francois, Washington45 min
Apr 27, 2:40 AM CDTSevere Thunderstorm WarningLSXSainte Genevieve50 min
Apr 27, 4:54 PM CDTSevere Thunderstorm WarningLSXPike36 min
Apr 27, 6:02 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Francois43 min
Apr 27, 6:30 PM CDTTornado WarningLSXIron, Reynolds60 min
Apr 27, 6:38 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve48 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1994Every severe thunderstorm warning in 1994

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.