Alert archive / Missouri / Flash Flood Warnings in 1996

Flash Flood Warning 36, NWS St. Louis, MO

May 14, 1996Jefferson County, Sainte Genevieve County, Missouri

NWS St. Louis, MO issued this flash flood warning at May 14, 1996, 8:48 PM CDT for Jefferson County, Sainte Genevieve County, Missouri. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 14, 1996, 8:48 PM CDT (01:48 UTC)
Expired
May 14, 1996, 11:50 PM CDT
In force
3 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Jefferson County, MO, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 74 km from the middle of the area, began a volume at 01:50 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 00:00Z, 1.8 hours before the alert went out and 276 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, Lincoln, IL at 00:00Z on 1996-05-15Temperature 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, Lincoln, IL at 00:00Z on 1996-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 square meters per square second.19395878Sfc1 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
1172 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
673 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 150151
FFWSTL
MOC099-187-186-150545-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
848 PM CDT TUE MAY 14 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1245 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...JEFFERSON COUNTY...NORTHERN ST. FRANCOIS COUNTY
   ...ST. GENEVIEVE COUNTY
 
NOTE...THIS WARNING EXTENDS THE FLASH FLOOD WARNING ISSUED EARLIER FOR
JEFFERSON COUNTY...
 
AT 845 PM...THUNDERSTORMS WITH HEAVY RAIN CONTINUE OVER EXTREME
EASTERN MISSOURI...FROM NEAR HOUSE SPRINGS TO NEAR WEINGARTEN.
 
THE STORMS IN THIS AREA WERE MOVING SOUTHEAST AT 30 MPH...WHICH WAS
ALLOWING SEVERAL PERIODS OF HEAVY RAIN TO PASS OVER THE SAME AREA.
RAINFALL ESTIMATES FROM 1 TO 2 INCHES OVER THIS AREA SINCE 730 PM.
 
HOWEVER...TOTAL RAINFALL OVER PARTS OF JEFFERSON COUNTY SO FAR THIS
EVENING HAVE BEEN MUCH HIGHER...IN THE 2 TO 4 INCH RANGE.  SOME WATER
RESCUES HAVE BEEN NECESSARY IN JEFFERSON COUNTY THIS EVENING BECAUSE
OF THESE EXCESSIVE RAINS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODING. NEVER DRIVE OR WALK INTO FLOOD WATER.
 
IF YOU LIVE NEAR A SMALL STREAM OR OTHER LOW LYING FLOOD-
PRONE AREA...BE PREPARED TO MOVE TO HIGHER GROUND QUICKLY.
YOUR LIFE MAY DEPEND ON IT.
 
TRUETT/FERRY
&

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, May 14, 7:40 PM CDT, 1 hour 8 minutes before
MOZ009-010-018-019-026-027-034>036-041-042-047>050-150230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
736 PM CDT TUE MAY 14 1996

...SEVERE THUNDERSTORM WATCH #368 IS NO LONGER IN EFFECT FOR
NORTHEAST MISSOURI...

SEVERE THUNDERSTORM WATCH 368 HAS BEEN CANCELLED FOR
SCOTLAND...CLARK...KNOX...LEWIS...SHELBY...MARION...MONROE...
RALLS...PIKE...AUDRAIN...BOONE...CALLAWAY...MONITEAU...COLE
...AND OSAGE COUNTIES IN MISSOURI.

THE THREAT OF SEVERE WEATHER HAS LESSENED FOR THE TIME BEING. THERE
IS HOWEVER STILL A POSSIBILITY OF ADDITIONAL THUNDERSTORM ACTIVITY
LATE TONIGHT. KEEP ABREAST OF LOCAL WEATHER DEVELOPMENTS AND LISTEN
FOR POSSIBLE LATER STATEMENTS OR WARNINGS.

PEDIGO
Special weather statement, May 14, 7:42 PM CDT, 1 hour 6 minutes before
MOZ009-010-018-019-026-027-034>036-041-042-047>050-150230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
736 PM CDT TUE MAY 14 1996

...SEVERE THUNDERSTORM WATCH #368 IS NO LONGER IN EFFECT FOR
NORTHEAST MISSOURI...

SEVERE THUNDERSTORM WATCH 368 HAS BEEN CANCELLED FOR
SCOTLAND...CLARK...KNOX...LEWIS...SHELBY...MARION...MONROE...
RALLS...PIKE...AUDRAIN...BOONE...CALLAWAY...MONITEAU...COLE
...AND OSAGE COUNTIES IN MISSOURI.

THE THREAT OF SEVERE WEATHER HAS LESSENED FOR THE TIME BEING. THERE
IS HOWEVER STILL A POSSIBILITY OF ADDITIONAL THUNDERSTORM ACTIVITY
LATE TONIGHT. KEEP ABREAST OF LOCAL WEATHER DEVELOPMENTS AND LISTEN
FOR POSSIBLE LATER STATEMENTS OR WARNINGS.

PEDIGO

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 7:01 PM CDTFlash Flood WarningLSXFranklin59 min
May 14, 7:01 PM CDTSevere Thunderstorm WarningLSXFranklin59 min
May 14, 7:50 PM CDTSevere Thunderstorm WarningLSXIron, Reynolds40 min
May 14, 7:59 PM CDTFlash Flood WarningLSXFranklin, Jefferson31 min
May 14, 7:59 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson31 min
May 14, 8:06 PM CDTSevere Thunderstorm WarningLSXMadison39 min
May 14, 8:48 PM CDTFlash Flood WarningLSXSainte Genevieve4 hr
May 14, 8:59 PM CDTSevere Thunderstorm WarningLSXJefferson31 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.