Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 87, NWS St. Louis, MO

May 18, 1995Crawford County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 18, 1995, 10:50 AM CDT for Crawford County, Missouri. It was in force for 40 min.

The area

The counties it named.

The facts

Issued: May 18, 1995, 10:50 AM CDT (15:50 UTC)
Expired: May 18, 1995, 11:30 AM CDT
In force: 40 min
Issued by: NWS St. Louis, MO
Area: Whole counties

County Crawford County, MO

The radar

The St Louis radar (KLSX), 97 km from the middle of the area, began a volume at 15:51 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

Lincoln, IL (KILX), launched 12:00Z, 3.8 hours before the alert went out and 336 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 507 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: 256 m²/s²
0-3 km storm-relative helicity: 346 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 181552
SVRSTL
MOC055-181630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1050 AM CDT THU MAY 18 1995
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MISSOURI
 
   ...CRAWFORD COUNTY
 
AT 1050 AM...A SEVERE THUNDERSTORM WAS NEAR STEELVILLE. THE STORM WAS
MOVING TO THE NORTHEAST AT 30 MPH. THE TOWNS OF STEELVILLE AND BOURBON
ARE IN THE PATH OF THIS STORM.
 
OTHER SEVERE THUNDERSTORMS WERE OVER WESTERN PHELPS COUNTY AND WILL BE
MOVING INTO EASTERN CRAWFORD COUNTY BY 11 AM. THE TOWNS OF FANNING AND
CUBA ARE IN THE PATH OF THESE STORMS.
 
THESE ARE DANGEROUS STORMS! BE PREPARED FOR DAMAGING WINDS...HAIL
AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS.
 
FG/AS

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, May 18, 10:26 AM CDT, 24 minutes before

MOZ001>115-ILZ095>102-181900-

MISSOURI SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
1025 AM CDT THU MAY 18 1995

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS MOST OF
MISSOURI EXCEPT THE WEST PORTION FOR THIS AFTERNOON.

THIS AREA IS EAST OF A LINE FROM BETHANY IN HARRISON COUNTY TO
WARRENSBURG IN JOHNSON COUNTY TO CASSVILLE IN BARRY COUNTY.
THIS DOES NOT INCLUDE ST JOSEPH...THE KANSAS CITY METROPLITAN
AREA...OR JOPLIN. THE MAIN THREAT FROM THE THUNDERSTORMS SHOULD BE
LARGE HAIL.

STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF
THE
LATEST FORECAST FOR POSSIBLE SKYWARN ACTION FOR THE REMAINDER OF
THIS MORNING AND THIS AFTERNOON.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	Franklin, Jefferson, Saint Charles, Saint Louis	4 hr
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	City of Saint Louis	4 hr
May 17, 11:56 PM CDT	Flash Flood Warning	LSX	Perry, Sainte Genevieve	4 hr
May 18, 8:32 AM CDT	Severe Thunderstorm Warning	LSX	Audrain, Monroe	43 min
May 18, 9:11 AM CDT	Severe Thunderstorm Warning	LSX	Ralls	52 min
May 18, 10:32 AM CDT	Severe Thunderstorm Warning	LSX	Phelps	43 min
May 18, 11:19 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Washington	56 min
May 18, 11:30 AM CDT	Severe Thunderstorm Warning	LSX	Crawford	30 min
May 18, 11:37 AM CDT	Severe Thunderstorm Warning	LSX	Jefferson	68 min
May 18, 12:05 PM CDT	Tornado Warning	LSX	Jefferson	40 min
May 18, 12:54 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve	51 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1995 Every severe thunderstorm warning in 1995

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.