Flash Flood Warning 26, NWS St. Louis, MO

235 
WGUS73 KLSX 060531
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1231 AM CDT SUN JUN 6 2010

MOC103-111-127-205-060900-
/O.CON.KLSX.FF.W.0026.000000T0000Z-100606T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARION MO-SHELBY MO-LEWIS MO-KNOX MO-
1231 AM CDT SUN JUN 6 2010

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN KNOX...SOUTHERN
LEWIS...NORTHERN SHELBY AND NORTHERN MARION COUNTIES UNTIL 400 AM
CDT...

AT 1225 AM CDT...RAIN HAD ENDED ACROSS THE WARNED AREA.  AUTOMATED 
GAGES CONTINUE TO SHOW SOME RISES ALONG LOCAL CREEKS AND RIVERS IN 
THE WARNED AREA.  LOCALIZED FLOODING OF SECONDARY ROADS IS LIKELY 
THE NEXT FEW HOURS BEFORE THE WATER RECEDES.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...PALMYRA...
EMDEN...EWING...LA BELLE...LA GRANGE...LEWISTOWN...MAYWOOD...
PHILADELPHIA...PLEVNA...SHELBYVILLE AND STEFFENVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4012 9151 4000 9149 3991 9144 3987 9145
      3983 9141 3977 9139 3979 9230 3995 9229
      3995 9232 4013 9233

$$

BRITT

579 
WGUS73 KLSX 060850
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
350 AM CDT SUN JUN 6 2010

MOC103-111-127-205-060906-
/O.EXP.KLSX.FF.W.0026.000000T0000Z-100606T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARION MO-SHELBY MO-LEWIS MO-KNOX MO-
350 AM CDT SUN JUN 6 2010

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN KNOX...
SOUTHERN LEWIS...NORTHERN SHELBY AND NORTHERN MARION COUNTIES WILL BE
ALLOWED TO EXPIRE AT 400 AM CDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 4012 9151 4000 9149 3991 9144 3987 9145
      3983 9141 3977 9139 3979 9230 3995 9229
      3995 9232 4013 9233

$$

BYRD

AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE ST LOUIS MO
659 PM CDT SAT JUN 5 2010

.DISCUSSION...
/258 PM CDT SAT JUN 5 2010/

SEVERE THUNDERSTORMS LIKELY THIS EVENING AHEAD OF A COLD FRONT THAT
IS POISED TO BRING TEMPERATURES BACK TO NORMAL FOR THE SECOND HALF
OF THE WEEKEND.

CURRENT SURFACE ANALYSIS DEPCITS A WEAK AREA OF LOW PRESSURE ACROSS
NORTHWEST IOWA WITH A TRAILING COLD FRONT THROUGH SOUTHEAST NEBRASKA
AND CENTRAL KANSAS. CONVECTION HAS INITIATED ALONG THE FRONT IN IOWA
AND WILL CONTINUE TO EXPAND ALONG THE FRONT AS IT TRACKS SOUTHEAST
INTO AND ACROSS THE CWA THIS EVENING. THESE STORMS WILL HAVE A
GENEROUS AMOUNT OF CAPE AND WIND SHEAR TO WORK WITH. SUPERCELLS ARE
EXPECTED INITIALLY ACROSS IOWA AND NORTHERN MISSOURI...LIKELY
CONGEALING INTO SOME SORT OF A MCS AS IT WORKS ITS WAY SOUTH.

FORECAST FOR SUNDAY AND MONDAY REMAIN DRY...BUT LIKELY POPS RETURN
MONDAY NIGHT AND TUESDAY WITH ANOTHER MCS EXPECTED TO IMPACT THE
REGION. WILL SEE LINGERING CHANCE/SCT POPS THROUGH AT LEAST
WEDNESDAY NIGHT AS A WEAK FRONTAL BOUNDARY WAVERS ACROSS THE REGION
IN QUASI-ZONAL FLOW.

UPPER AIR PATTERN LOOKS TO BECOME MORE AMPLIFIED BY THE END OF THE
WEEK AND NEXT WEEKEND WITH UPPER LEVEL RIDGE BUILDING ACROSS THE
EASTERN HALF OF THE NATION. THIS SUMMER-LIKE PATTERN WILL LEAD TO
TEMPERATURES RISING BACK INTO THE 90S.

CVKING

&&

.AVIATION...
/642 PM CDT SAT JUN 5 2010/

STORMS HAVE FIRED UP ON THE COLD FRONT OVER IOWA AND ARE MOVING
SOUTHEAST TOWARD THE BI-STATE REGION. THE STORMS WILL ENTER KNOX
COUNTY JUST AFTER 02Z AND SHOULD CONTINUE SOUTHEAST INTO CENTRAL
MISSOURI AND WEST CENTRAL ILLINOIS BETWEEN 04Z AND 05Z...INTO EAST
CENTRAL MISSOURI AND SOUTHWEST ILLINOIS BY 06Z...AND INTO
SOUTHEAST MISSOURI BETWEEN 07Z AND 08Z. STORMS WILL HAVE THE
POTENTIAL TO PRODUCE GUSTY WINDS OF 30-50KTS EARLY IN THE
EVENING...BUT WILL EVENTUALLY WEAKEN INTO THE OVERNIGHT HOURS.
GUSTY WINDS OF 20-30KTS WILL STILL BE POSSIBLE...BUT WILL LIKELY
NOT BE AS WIDESPREAD. VFR CONDITIONS WITH SOUTHWEST WINDS OF
12-20KTS WILL PREVAIL AHEAD OF THE FRONT OUTSIDE OF STORMS. IT
LOOKS LIKELY THAT VFR CONDITIONS AND NORTHWEST FLOW WILL PREVAIL
AFTER FROPA...THO SOME GUIDANCE IS HINTING THAT WE COULD SEE AREAS
OF MVFR CIGS.

SPECIFICS FOR KSTL...
I TIMED THE FRONT AND THUNDERSTORMS INTO THE TERMINAL USING RADAR
THIS EVENING. THINK THERE'S STILL SOME POTENTIAL THAT WE COULD SEE
STRONG WIND GUSTS WITH THE STORMS EVEN AS LATE AS 06Z...BUT I DID
NOT INCLUDE GUSTS IN THE TEMPO BECAUSE IT IS NOT A FAVORABLE TIME DUE TO
THE LOSS OF DAYTIME HEATING. WILL CONTINUE TO MONITOR THE STORMS
THRU THE EVENING HOURS AND UPDATE AS NECESSARY.

CARNEY

&&

.LSX WATCHES/WARNINGS/ADVISORIES...
MO...NONE.
IL...NONE.
&&

WFO LSX

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
319 PM CDT SAT JUN 5 2010

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-061200-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-
MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL-
CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO-
LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO-
AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO-
LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO-
ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-
WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO-
MADISON MO-REYNOLDS MO-
319 PM CDT SAT JUN 5 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND
CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS.

.DAY ONE...TONIGHT

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS EVENING
OVER NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS WITH A SLIGHT
RISK EXTENDING SOUTHWARD TO INTERSTATE 70. THE STRONGEST
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING VERY LARGE
HAIL...DAMAGING WIND GUSTS IN EXCESS OF 70 MPH...AND ISOLATED
TORNADOES.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF THUNDERSTORMS MONDAY NIGHT THROUGH WEDNESDAY
NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO RELAY ALL SEVERE WEATHER REPORTS TO THE
NATIONAL WEATHER SERVICE IN ST. LOUIS.

&&

FOR A GRAPHICAL VERSION OF THIS INFORMATION SEE OUR
WEBPAGE AT (LOWERCASE)... HTTP://WWW.WEATHER.GOV/LSX/?N=HWO1

CVKING

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
917 PM CDT SAT JUN 05 2010

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

0915 PM     HEAVY RAIN       1 E NEWARK              39.99N  91.95W
06/05/2010  M1.00 INCH       LEWIS              MO   TRAINED SPOTTER

            SPOTTER MEASURED 1 INCH OF RAIN THAT FELL IN JUST UNDER
            TEN MINUTES

&&

JP