Alert archive / Missouri / Flash Flood Warnings in 1990

Flash Flood Warning 2, NWS Paducah, KY

August 20, 1990Cape Girardeau County, Missouri

NWS Paducah, KY issued this flash flood warning at Aug 20, 1990, 3:30 PM CDT for Cape Girardeau County, Missouri. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 20, 1990, 3:30 PM CDT (20:30 UTC)
Expired
Aug 20, 1990, 5:30 PM CDT
In force
2 hr
Issued by
NWS Paducah, KY
Area
Whole counties

County Cape Girardeau County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.5 hours before the alert went out and 94 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 1990-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2036 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 1990-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939Sfc1 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
2036 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
38 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 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, Aug 20, 1:35 PM CDT, 1 hour 55 minutes before
INZ011-014-KYZ002-003-ILZ012-014-201930-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE EVANSVILLE IN
140 PM CDT AUG 20 1990

AT 125 PM CDT...A COUPLE OF STRONG THUNDERSTORMS DEVELOPED IN
EXTREME SOUTHERN ILLINOIS. THESE STORMS WERE ABOUT 10 TO 15 MILES
EAST OF HARRISBURG ILLINOIS...ABOUT 50 MILES WEST OF EVANSVILLE.

THESE THUNDERSTORMS ARE CAPABLE OF HEAVY DOWNPOURS...BRIEF STRONG
WIND AND DANGEROUS LIGHTNING. IF YOU ARE IN THE AREA OF THESE
THUNDERSTORMS...DO NOT USE ELECTRICAL APPLIANCES AND GO TO A SAFE
PLACE UNTIL THESE STORMS MOVE OUT OF YOUR AREA.

ELSEWHERE...THERE WERE WIDELY SCATTERED SHOWERS AND THUNDERSTORMS
IN WEST CENTRAL INDIANA 25 MILES SOUTH OF TERRA HAUTE INDIANA NEAR
SULLIVAN INDIANA. THERE WERE ALSO AN AREA OF SHOWERS AND THUNDERSTORMS
FROM NEAR BLOOMINGTON INDIANA...NORTHEAST TO JUST EAST OF INDIANAPOLIS
INDIANA.
THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 MILES
AN HO8UR.
TROUTMAN
Special weather statement, Aug 20, 1:47 PM CDT, 1 hour 43 minutes before
MOZ022-023-ILZ013>015-201945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
145 PM CDT MON AUG 20 1990

...THUNDERSTORMS DEVELOPD OVER SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS.

AT 145 PM CDT WEATHER SERVICE RADAR AT PADUCAH KENTUCKY SHOWED
THUNDERSTORMS OVER SOUTHEAS MISSOURI FROM 10 MILES SOUTH OF MALDEN
MISSOURI TO 50 MILES NORTHWEST OF POPLAR BLUFF MISSOURI NORTHWARD INTO
SOUTHWEST ILLINOIS...30 MILES NORTHWEST OF CARBONDALE.

HEAVIEST STORMS WERE SOUTH OF MALDEN MISSOURI AND ALONG THE MISSISSIPPI
RIVER WEST OF CARBONDALE ILLINOIS.  INDICATIONS SHOWED A POSSIBILITY
OF SMALL HAIL WITH THESE THUNDERSTORMS AS WELL AS HEAVY DOWNPOURS OF
RAIN AND DANGEROUS LIGHTNING. PERSONS IN THE PATH OF THESE THUNDERSTORMS
SHOULD BE ON THE LOOKOUT...AND BE PREPARED TO SEEK SAFE SHELTER SHOULD
THREATENING WEATHER APROACH.

THE THUNDERSTORMS WERE MOVING TO THE EAST AT 10 MILES AN HOUR.

THUNDERSTORM ACTIVITY IS EXPECTED TO CONTINUE ACROSS THE TRI STATE
REGIONTHROUGH THIS AFTERNON AND EVENING.

JFB
Special weather statement, Aug 20, 2:18 PM CDT, 1 hour 12 minutes before
INZ011-014-KYZ002-003-ILZ012-014-201945-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE EVANSVILLE IN
217 PM CDT AUG 20 1990

AT 205 PM CDT...A STRONG THUNDERSTORM WAS IN FAR NORTHWEST KENTUCKY.
THIS THUNDERSTORM WAS ALONG THE OHIO RIVER JUST WEST OF UNIONTOWN
KENTUCKY. THERE WERE ALSO STRONG THUNDERSTORMS IN WEST CENTRAL
INDIANA FROM NEAR VINCINNES INDIANA...ABOUT 45 MILES NORTH OF
EVANSVILLE...TO NEAR BLOOMFIELD INDIANA...ABOUT 65 MILES NORTH OF
EVANSVILLE.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF STRONG WINDS...
DANGEROUS LIGHTNING AND HEAVY DOWNPOURS.  IF YOU ARE IN THE AREA OF
THESE THUNDERSTORMS...DO NOT USE ELECTRICAL APPLIANCES AND MOVE TO
A SAFE PL~ACE UNTIL THESE STORMS PASS BY YOUR AREA.
TROUTMAN
Special weather statement, Aug 20, 2:35 PM CDT, 55 minutes before
INZ011-014-KYZ002-003-ILZ012-014-202030-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE EVANSVILLE IN
233 PM CDT MON AUG 20 1990

AT 225 PM CDT...THUNDERSTORMS WITH HEAVY RAINS AND STRONG GUSTY WINDS
WERE WIDELY SCATTERED OVER SOUTHERN ILLINOIS AND SOUTHWEST INDIANA.

THESE STORMS WERE LOCATED 25 MILES SOUTHWEST OF EVANSVILLE NEAR MT VERNON
AND 25 MILES WEST OF MARION ILLINOIS.

OTHER SHOWERS WERE OVER SOUTHWEST INDIANA ABOUT 20 MILES SOUTHEAST OF
TERRE HAUTE.

MOVEMENT WAS NORTHEAST AT 15 MPH.

THUNDERSTORMS WILL BE IN THE EVANSVILLE AREA BETWEEN 315 PM AND 330 PM.
ES
Special weather statement, Aug 20, 2:50 PM CDT, 40 minutes before
MOZ022-023-ILZ013>015-202045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
245 PM CDT MON AUG 20 1990

...THUNDERSTORMS OVER SOUTHEAST MISSOURI AND SOUTHERN ILLINOIS...

AT 245 PM CDT WEATHER SERVICE RADAR AT PADUCAH KENTUCKY SHOWED
THUNDERSTORMS OVER SOUTHEAST MISSOURI JUST NORTH OF POPLAR BLUFF
MISSOURI EXTENDING NORTHEAST INTO SOUTHERN ILLINOIS IN THE VICINITY OF
PERCY OR ABOUT 25 MILES NORTH OF CARBONDALE.

HEAVIEST STORMS AT WAPPAPELLO MISSOURI AND 30 MILES NORTH OF CAPE
GIRARDEAU MISSOURI...AS WELL AS 2 MILES SOUTHWEST OF MARION ILLINOIS.
THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...SMALL HAIL
VERY HEAVY RAINS AND DANGEROUS LIGHTNING. PERSONS IN THE PATH OF THESE
THUNDERSTORMS SHOULD BE ON THE LOOKOUT...AND BE PREPARED TO SEEK SAFE
SHELTER SHOULD THREATENING WEATHER APROACH.

THE THUNDERSTORMS WERE MOVING TO THE NOORTHEAST  AT 15 MILES AN HOUR.

THUNDERSTORM ACTIVITY IS EXPECTED TO CONTINUE ACR
OSS THE TRI STATE
REGION THROUGH THIS AFTERNOON AND EVENING.

JFB
Special weather statement, Aug 20, 3:03 PM CDT, 27 minutes before
INZ011-014-KYZ002-003-ILZ012-014-202030-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE EVANSVILLE IN
300 PM CDT MON AUG 20 1990

AT 257 PM CDT...THUNDERSTORMS WITH HEAVY RAINS AND GUSTY WINDS WERE IN A
CLUSTER ABOUT 40 MILES WIDE CENTERED 15 MILES WEST OF EVANSVILLE. OTHER
THUNDERSTORMS WITH HEAVY RAINS WERE OVER MARION ILLINOIS.

THESE STORMS WERE MOVING NORTHEAST AT 15 MPH WITH NO CHANGE IN INTENSITY.

THUNDERSTORMS WILL BE IN THE EVANSVILLE AREA THROUGH ABOUT 600 PM CDT.

ALL TRAVELERS OVER IN SOUTHWEST INDIANA AND SOUTHERN ILLINOIS SHOULD BE
ALERT FOR VERY POOR VISIBILITIES AND PONDING OF WATER IN LOW-LYING AREAS.
ES

Nearby

Flash Flood Warnings in Missouri, 1990Every flash flood warning in 1990

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.