

000 

WGUS73 KLOT 070713

FFSLOT



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL

211 AM CDT TUE AUG 7 2007



...SIGNIFICANT FLASH FLOODING OCCURRING ACROSS PORTIONS OF NORTHERN 

ILLINOIS...



ILC007-111-201-071200-

WINNEBAGO IL-MCHENRY IL-BOONE IL-

211 AM CDT TUE AUG 7 2007



...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR BOONE...MCHENRY AND 

WINNEBAGO COUNTIES UNTIL 700 AM CDT...



AT 211 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 

LINE OF THUNDERSTORMS WITH VERY HEAVY RAINFALL STRETCHING FROM NEAR 

SAVANNA...TO GERMAN VALLEY...ROCKFORD...BELVIDERE...MARENGO AND 

MCHENRY. INDIVIDUAL THUNDERSTORM CELLS WERE MOVING EAST AT 30 

MPH...HOWEVER THE ENTIRE LINE OF THUNDERSTORMS WAS ONLY DRIFTING 

SOUTH AT 5 MPH. THIS WILL RESULT IN REPEATED TRAINING OF 

THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL ACROSS THE WARNING AREA.



RADAR RAINFALL ESTIMATES INDICATE THAT BETWEEN 3 AND 4 INCHES OF 

RAIN HAS FALLEN ACROSS PORTIONS OF CENTRAL AND SOUTHERN WINNEBAGO 

AND WESTERN BOONE COUNTIES SINCE 11 PM CDT...WITH 2 TO 3 INCHES 

ESTIMATED ACROSS EASTERN BOONE AND WESTERN MCHENRY COUNTIES. 

THUNDERSTORMS WILL CONTINUE TO AFFECT THESE AREAS FOR THE NEXT 

SEVERAL HOURS...AND WITH CONTINUED TRAINING OF STORMS...SOME AREAS 

MAY SEE STORM TOTAL RAINFALL AMOUNTS IN EXCESS OF 6 INCHES.



RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 

OCCUR. CITY OF ROCKFORD LAW ENFORCEMENT REPORTS NUMEROUS STRANDED 

VEHICLES AND FLOODED INTERSECTIONS. 



LOCATIONS INCLUDED IN THE FLASH FLOOD WARNING INCLUDE...BELVIDERE...

HARVARD...LOVES PARK...MACHESNEY PARK...MARENGO...MCHENRY...PISTAKEE

HIGHLANDS...ROCKFORD...ROCKFORD AIRPORT...ROCKTON...WONDER LAKE...

WOODSTOCK...BULL VALLEY...CAPRON AND CHERRY VALLEY.



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.



MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS

BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.

NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT OR

IN A VEHICLE.



LAT...LON 4248 8820 4216 8821 4216 8914 4220 8918

      4220 8939 4248 8939



$$



RATZER



000 

WGUS73 KLOT 070713

FFSLOT



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL

211 AM CDT TUE AUG 7 2007



...SIGNIFICANT FLASH FLOODING OCCURRING ACROSS PORTIONS OF NORTHERN 

ILLINOIS...



ILC007-111-201-071200-

WINNEBAGO IL-MCHENRY IL-BOONE IL-

211 AM CDT TUE AUG 7 2007



...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR BOONE...MCHENRY AND 

WINNEBAGO COUNTIES UNTIL 700 AM CDT...



AT 211 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 

LINE OF THUNDERSTORMS WITH VERY HEAVY RAINFALL STRETCHING FROM NEAR 

SAVANNA...TO GERMAN VALLEY...ROCKFORD...BELVIDERE...MARENGO AND 

MCHENRY. INDIVIDUAL THUNDERSTORM CELLS WERE MOVING EAST AT 30 

MPH...HOWEVER THE ENTIRE LINE OF THUNDERSTORMS WAS ONLY DRIFTING 

SOUTH AT 5 MPH. THIS WILL RESULT IN REPEATED TRAINING OF 

THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL ACROSS THE WARNING AREA.



RADAR RAINFALL ESTIMATES INDICATE THAT BETWEEN 3 AND 4 INCHES OF 

RAIN HAS FALLEN ACROSS PORTIONS OF CENTRAL AND SOUTHERN WINNEBAGO 

AND WESTERN BOONE COUNTIES SINCE 11 PM CDT...WITH 2 TO 3 INCHES 

ESTIMATED ACROSS EASTERN BOONE AND WESTERN MCHENRY COUNTIES. 

THUNDERSTORMS WILL CONTINUE TO AFFECT THESE AREAS FOR THE NEXT 

SEVERAL HOURS...AND WITH CONTINUED TRAINING OF STORMS...SOME AREAS 

MAY SEE STORM TOTAL RAINFALL AMOUNTS IN EXCESS OF 6 INCHES.



RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 

OCCUR. CITY OF ROCKFORD LAW ENFORCEMENT REPORTS NUMEROUS STRANDED 

VEHICLES AND FLOODED INTERSECTIONS. 



LOCATIONS INCLUDED IN THE FLASH FLOOD WARNING INCLUDE...BELVIDERE...

HARVARD...LOVES PARK...MACHESNEY PARK...MARENGO...MCHENRY...PISTAKEE

HIGHLANDS...ROCKFORD...ROCKFORD AIRPORT...ROCKTON...WONDER LAKE...

WOODSTOCK...BULL VALLEY...CAPRON AND CHERRY VALLEY.



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.



MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS

BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.

NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT OR

IN A VEHICLE.



LAT...LON 4248 8820 4216 8821 4216 8914 4220 8918

      4220 8939 4248 8939



$$



RATZER

