Alert archive / Missouri / Flash Flood Warnings in 1996

Flash Flood Warning 1, NWS St. Louis, MO

April 19, 1996Crawford County, Washington County, Missouri

NWS St. Louis, MO issued this flash flood warning at Apr 19, 1996, 6:36 PM CDT for Crawford County, Washington County, Missouri. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 19, 1996, 6:36 PM CDT (23:36 UTC)
Expired
Apr 19, 1996, 7:45 PM CDT
In force
69 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Crawford County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 89 km from the middle of the area, began a volume at 23:40 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 (KSGF), launched 12:00Z, 11.6 hours before the alert went out and 267 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 1996-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 1996-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 377 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2849 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
377 m²/s²
0-3 km storm-relative helicity
532 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 192338
FFWSTL
MOC055-221-200045-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
636 PM CDT FRI APR 19 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...CRAWFORD COUNTY...WASHINGTON COUNTY
 
AT 640 PM...THE ST LOUIS WEATHER RADAR INDICATED A STRONG STORM IN THE
SOUTHERN PORTION OF CROWFORD COUNT...THIS STORM WAS MOVING TO THE
NORTHEASST AT 40 MPH...CITIES IN THE PATH OF THIS STORM ARE
POTOSI...STEELVILLE...RICHWOODS AND ANTONY MILLS.
 
 
THIS IS A DANGEROUS STORM! BE PREPAdRED FOR DAMAGING WINDS...HAIL
AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS.
 
REMEMBER...A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
IF OUTDOORS...SEEK INSIDE SHELTER IMMEDIATELY. STAY AWAY FROM
WINDOWS.

What forecasters said that day

The local office's own words before this flash flood 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 19, 3:56 PM CDT, 2 hours 40 minutes before
ILZ058>060-064-065-069-070-074-095>102-MOZ009-010-018-019-026-027-
034>036-041-042-048>052-059>065-200400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
400 PM CDT FRI APR 19 1996

...A TORNADO WATCH HAS BEEN ISSUED FOR NORTHEAST AND EAST CENTRAL
MISSOURI...

STRONG TO SEVERE THUNDERSTORMS WILL DEVELOP ACROSS PORTIONS OF EASTERN
MISSOURI DURING THE LATE AFTERNOON AND EVENING HOURS.  A TORNADO
WATCH WILL BE IN EFFECT UNTIL 1100 PM CDT FOR THE NORTHEAST AND EAST
CENTRAL PORTION.  THE WATCH INCLUDES THE ST LOUIS METROPOLITAN AREA...
COLUMBIA...JEFFERSON CITY...MEXICO...AND THE HANNIBAL...QUINCY AREA.

PLEASE STAY TUNED TO NOAA WEATHER RADIO AND COMMERCIAL RADIO AND TV
STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS FROM THE
NATIONAL WEATHER SERVICE.
Special weather statement, Apr 19, 6:25 PM CDT, 11 minutes before
ILZ098-MOZ036-052-060-061-200215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
625 PM CDT FRI APR 19 1996

...TORNADO WATCH IS CANCELLED FOR A PORTION OF EAST CENTRAL
MISSOURI...

THE6 TORNADO WATCH HAS BEEN CANCELLED FOR PIKE COUNTY MISSOURI ALONG
WITH LINCOLN...WARREN...AND ST CHARLES COUNTIES.  THE THREAT OF
SEVERE WEATHER HAS MOVED TO THE EAST OF THE AREA.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 4:19 PM CDTSevere Thunderstorm WarningLSXPike, Ralls41 min
Apr 19, 4:33 PM CDTSevere Thunderstorm WarningLSXLincoln57 min
Apr 19, 4:41 PM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Washington64 min
Apr 19, 4:54 PM CDTSevere Thunderstorm WarningLSXSaint Charles51 min
Apr 19, 5:01 PM CDTSevere Thunderstorm WarningLSXCity of Saint Louis59 min
Apr 19, 5:01 PM CDTSevere Thunderstorm WarningLSXJefferson59 min
Apr 19, 5:03 PM CDTTornado WarningLSXJefferson42 min
Apr 19, 5:07 PM CDTSevere Thunderstorm WarningLSXCrawford68 min
Apr 19, 5:15 PM CDTSevere Thunderstorm WarningLSXSaint Louis45 min
Apr 19, 5:27 PM CDTTornado WarningLSXSaint Louis48 min
Apr 19, 5:27 PM CDTTornado WarningLSXJefferson48 min
Apr 19, 5:41 PM CDTTornado WarningLSXLincoln, Saint Charles64 min
Apr 19, 5:43 PM CDTTornado WarningLSXWashington32 min
Apr 19, 5:51 PM CDTSevere Thunderstorm WarningLSXFranklin, Washington39 min
Apr 19, 6:01 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve, Saint Francois44 min
Apr 19, 6:04 PM CDTSevere Thunderstorm WarningLSXCity of Saint Louis41 min
Apr 19, 6:14 PM CDTSevere Thunderstorm WarningLSXJefferson31 min
Apr 19, 6:22 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds53 min
Apr 19, 6:25 PM CDTTornado WarningLSXSainte Genevieve, Saint Francois50 min
Apr 19, 6:51 PM CDTSevere Thunderstorm WarningLSXJefferson54 min

Nearby

Flash Flood Warnings in Missouri, 1996Every flash flood warning in 1996

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.