HYDROLOGIC OUTLOOK
Warning Issue Date: 223 AM CST WED DEC 23 2009
LOCALLY HEAVY RAINFALL AND FLOODING POSSIBLE TODAY AND THURSDAY...
A POTENT STORM SYSTEM WILL MOVING OUT OF THE SOUTHWEST STATES INTO
WESTERN TEXAS TODAY. THEN ON THURSDAY...THE STORM WILL CONTINUE TO
TRACK THROUGH SOUTHEAST OKLAHOMA THEN SWING INTO SOUTH CENTRAL
MISSOURI.
AHEAD OF THIS STORM TODAY...MOISTURE AND WARMER AIR WILL
CONTINUE TO STREAM ACROSS MISSOURI AND EASTERN KANSAS...PRODUCING ONE
ROUND OF HEAVIER RAINFALL THIS MORNING WHICH WILL MOVE NORTH ACROSS
THE REGION INTO IOWA BY AFTERNOON. LIGHTER RAIN WILL STILL BE
POSSIBLE THROUGH THE AFTERNOON HOURS EVEN AFTER THE HEAVIER RAIN ENDS.
THEN TONIGHT AS THE STORM SYSTEM MOVES CLOSER...THERE WILL BE THE
POTENTIAL FOR MORE HEAVY RAINFALL...ESPECIALLY IN THE I 44 CORRIDOR
AND ALSO MOVING NORTH ACROSS EASTERN KANSAS AND WEST CENTRAL
MISSOURI...INTO NORTHWEST AND NORTH CENTRAL MISSOURI BY LATE TONIGHT.
DURING THE DAY ON THURSDAY...THE RAIN MAY NOT BE AS HEAVY...BUT ANY
ADDITIONAL RAINFALL ON TOP OF AREAS THAT RECEIVE HEAVIER AMOUNTS OF
RAIN TODAY AND TONIGHT...WILL CONTRIBUTE TO THE POSSIBILITY OF
FLOODING.
WITH THE SOIL BEING LARGELY FROZEN...THE RAINFALL WILL BE
PREDOMINANTLY RUNNING OFF INTO AREA RIVERS. TOTAL RAINFALL AMOUNTS OF
1 TO 2 INCHES OVER A WIDESPREAD AREA COULD CAUSE RIVERS TO RISE ABOVE
FLOOD STAGE. AT THIS TIME...THE STRANGER CREEK...BIG CREEK...THE SOUTH
GRAND...BLACKWATER...LAMINE...MONITEAU AND PETITE SALINE RIVERS APPEAR
TO BE THE MOST SUSCEPTIBLE TO FLOODING.
PERSONS LIVING NEAR OR TRAVELING AROUND SMALLER RIVERS AND
STREAMS...AS WELL AS FLOOD PRONE AREAS ARE URGED TO MONITOR NATIONAL
WEATHER SERVICE FORECASTS. MORE DETAILED INFORMATION ON PARTICULAR
RIVER BASINS CAN BE FOUND ON THE NATIONAL WEATHER SERVICE WEBSITE AT
WWW.WEATHER.GOV/KC/
$$
PC
WINTER STORM WARNING
Warning Issue Date: 358 PM CST WED DEC 23 2009
...WINTER STORM WARNING IN EFFECT FROM 9 AM THURSDAY TO 6 PM CST
FRIDAY...
THE NATIONAL WEATHER SERVICE IN KANSAS CITY/PLEASANT HILL HAS
ISSUED A WINTER STORM WARNING FOR SNOW...FREEZING RAIN...AND SLEET..WHICH
IS IN EFFECT FROM 9 AM THURSDAY TO 6 PM CST FRIDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.
* RAIN MAY CHANGE TO FREEZING RAIN AND SLEET AS EARLY AS THURSDAY
MORNING. THROUGH THE DAY THURSDAY...MIXED WINTER PRECIPITATION
WILL GRADUALLY SWITCH TO ALL SNOW.
* ICE AND SLEET ACCUMULATIONS UP TO A TENTH OF AN INCH WILL BE
POSSIBLE THROUGH EARLY THURSDAY AFTERNOON. AFTER CHANGING TO SNOW
THURSDAY AFTERNOON...TOTAL SNOWFALL ACCUMULATIONS THROUGH FRIDAY
AFTERNOON MAY BE IN THE 7 TO 10 INCH RANGE.
* STRONG NORTHWEST TO WEST WINDS WILL DEVELOP THURSDAY AFTERNOON
THROUGH FRIDAY...WITH SUSTAINED WINDS POSSIBLY REACHING 30 MPH WITH
HIGHER GUSTS. THIS WILL CREATE EXTENSIVE BLOWING AND DRIFTING SNOW
AND NEAR BLIZZARD CONDITIONS.
* TRAVEL MAY BECOME EXTREMELY DANGEROUS BEGINNING THURSDAY
MORNING...AND ESPECIALLY FROM THURSDAY AFTERNOON THROUGH
FRIDAY...WITH PERIODS OF HEAVY SNOW POSSIBLE AND SIGNIFICANTLY
REDUCED VISIBILITIES. PERSONS PLANNING ON TRAVELING FOR THE HOLIDAY
SHOULD CONSIDER MAKING ALTERNATIVE PLANS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF
SNOW...SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE
ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
$$
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