Merrimac, IL Weather Warnings

HYDROLOGIC OUTLOOK

Warning Issue Date:

412 AM CST FRI MAR 12 2010

RAINFALL TONIGHT AND SATURDAY COULD LEAD TO SOME FLOODING ON AREA CREEKS AND STREAMS... A LOW PRESSURE SYSTEM WILL MOVE NORTHWARD OUT OF THE LOWER MISSISSIPPI VALLEY AND INTO THE TENNESSEE VALLEY REGION BY EARLY SATURDAY. THIS STORM TRACK WILL BRING RAIN TO THE AREA WITH TOTAL RAINFALL AMOUNTS IN EXCESS OF AN INCH POSSIBLE. SOME OF THE RAIN COULD BE BRIEFLY HEAVY AS WELL. THE RAIN SHOULD SPREAD ACROSS SOUTHEAST MISSOURI AND SOUTHWEST ILLINOIS TODAY SPREADING NORTH AND WEST INTO CENTRAL AND NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS TONIGHT. THE GREATEST INTENSITY AND COVERAGE OF RAIN IS EXPECTED TONIGHT AND SATURDAY...AND THE AREA OF GREATEST CONCERN IS ACROSS NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS. RUNOFF FROM THIS RAINFALL WILL BE GREATER THAN NORMAL DUE TO THE ALREADY SATURATED GROUND...AND THIS MAY LEAD TO FLOODING ON SOME CREEKS...STREAMS...AND RIVERS. MANY AREA RIVERS ARE ALREADY RISING ...ESPECIALLY IN NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS. PEOPLE LIVING OR TRAVELING NEAR CREEKS...STREAMS...OR LOW LYING FLOOD PRONE AREAS SHOULD CLOSELY MONITOR WEATHER CONDITIONS THROUGH SATURDAY NIGHT. $$ GLASS