Alert archive / Missouri / Flash Flood Warnings in 2006

Flash Flood Warning 48, NWS Paducah, KY

August 11, 2006Cape Girardeau County, Scott County, Missouri

NWS Paducah, KY issued this flash flood warning at Aug 11, 2006, 2:19 PM CDT for Cape Girardeau County, Scott 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
Aug 11, 2006, 2:19 PM CDT (19:19 UTC)
Expired
Aug 11, 2006, 5:15 PM CDT
In force
3 hr
Issued by
NWS Paducah, KY
Area
Counties, with a storm outline in the text

Counties Cape Girardeau County, MO, Scott County, MO

The radar

The Paducah radar (KPAH), 78 km from the middle of the area, began a volume at 19:21 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

Nashville Metro, TN (KBNA), launched 12:00Z, 7.3 hours before the alert went out and 296 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, Nashville Metro, TN at 12:00Z on 2006-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 69 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, Nashville Metro, TN at 12:00Z on 2006-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
69 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

NWS Paducah, KY wrote its last area forecast discussion before this flash flood warning went out at Aug 11, 1:45 PM CDT, 34 minutes earlier.

Area forecast discussion, Aug 11, 1:45 PM CDT, 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
145 PM CDT FRI AUG 11 2006

.DISCUSSION...
PRIMARY FORECAST CONCERN IS LINGERING CHANCE FOR SHOWERS AND
THUNDERSTORMS THIS EVENING...THEN AGAIN MONDAY THROUGH TUESDAY NIGHT.

AT EARLY AFTERNOON A QUASI-STATIONARY FRONT WAS HUNG UP EAST-WEST
ACROSS THE SOUTHERN THIRD OF THE CWA. THIS COMBINED WITH A RIPPLE OF
ENERGY ALOFT WAS PRODUCING A BAND OF THUNDERSTORMS ACROSS THE
SOUTHERN TWO THIRDS OF THE AREA. THIS EVENING MODELS IN DECENT
AGREEMENT BRINGING ANOTHER SHORT WAVE/VORT MAX CURRENTLY OVER
NORTHWEST MISSOURI SOUTHEASTWARD ACROSS ALL BUT THE NORTHEAST
SECTIONS OF THE CWA. SINCE THE AFOREMENTIONED FRONTAL BOUNDARY WILL
BE MOVING SLOWLY ACROSS THE SOUTHERN SECTIONS OF THE CWA DURING THE
SAME TIME FRAME...WILL LINGER CHC POPS ACROSS ALL BUT THE NORTHEAST
SECTIONS THIS EVENING.

TONIGHT...RAIN CHANCES WILL COME TO AN END AS SURFACE HIGH PRESSURE
CENTERED OVER SOUTHERN ONTARIO CONTINUES TO BUILD SLOWLY SOUTHWARD.
AS MOISTURE DECREASES THROUGH THE ATMOSPHERIC COLUMN...CLOUDS SHOULD
ALSO BECOME FEWER AND FARTHER BETWEEN. OVER THE WEEKEND...DRY
WEATHER IS EXPECTED...ALONG WITH SLIGHTLY COOLER AND LESS HUMID
CONDITIONS...AS THE CANADIAN HIGH BUILDS SOUTHEAST INTO THE OHIO
VALLEY.

BY EARLY NEXT WEEK...ANOTHER FRONTAL BOUNDARY WILL INFLUENCE THE
REGION WITH A CHANCE OF SHOWERS AND THUNDERSTORMS MONDAY THROUGH
TUESDAY NIGHT. MAINLY DRY CONDITIONS ARE FORECAST FOR THE REST OF
THE WEEK AS THE REGION FALLS UNDER THE INFLUENCE OF AN UPPER LEVEL
RIDGE.

&&

.PAH WATCHES/WARNINGS/ADVISORIES...
KY...NONE
MO...NONE
IL...NONE
IN...NONE.
&&

JAP
Hazardous weather outlook, Aug 11, 11:34 AM CDT, 2 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PADUCAH KY
1134 AM CDT FRI AUG 11 2006

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-121645-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-
HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY-VANDERBURGH-
WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-MCCRACKEN-GRAVES-
LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIGG-CALDWELL-
UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCLEAN-
MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER-
RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID-
1134 AM CDT FRI AUG 11 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST
MISSOURI.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THE POTENTIAL FOR THUNDERSTORMS CONTINUES OVER THE ENTIRE AREA
TODAY AS A COLD FRONT PUSHES SOUTH INTO ARKANSAS AND TENNESSEE BY
LATE AFTERNOON.

AMPLE MORNING CLOUD COVER SHOULD INITIALLY RETARD SURFACE-BASED
DESTABILIZATION. HOWEVER...IF ENOUGH SUNSHINE BREAKS OUT BY
MIDDAY... THE ATMOSPHERE MAY BECOME UNSTABLE ENOUGH TO PRODUCE A
FEW STRONG THUNDERSTORMS. IN ADDITION...THE SLOW MOVEMENT OF THE
STORMS MAY RESULT IN LOCALIZED FLOODING. ANY LINGERING STORMS
SHOULD SHIFT SOUTH INTO ARKANSAS AND TENNESSEE BY LATE AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS ARE AGAIN POSSIBLE EARLY NEXT WEEK...FROM MONDAY
THROUGH TUESDAY NIGHT. AT THIS TIME...WIDESPREAD SEVERE WEATHER IS
NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

In the hours before

Local storm report, Aug 11, 2:15 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
215 PM CDT FRI AUG 11 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0201 PM     FLASH FLOOD      CAPE GIRARDEAU          37.31N 89.55W
08/11/2006                   CAPE GIRARDEAU     MO   TRAINED SPOTTER

            WIDESPREAD STREET FLOODING THROUGHOUT COMMUNITY. CREEKS
            AND SMALL STREAMS RISING RAPIDLY.

&&

SMITTY

Nearby

Flash Flood Warnings in Missouri, 2006Every flash flood warning in 2006

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.