Alert archive / Illinois / River Flood Warnings in 2007

River Flood Warning 13, NWS Chicago, IL

August 19, 2007DeKalb County, Illinois

NWS Chicago, IL issued this river flood warning at Aug 19, 2007, 11:55 AM CDT for DeKalb County, Illinois. It took effect at Aug 20, 2007, 6:40 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Aug 19, 2007, 11:55 AM CDT (16:55 UTC)
In effect from
Aug 20, 2007, 6:40 PM CDT
Expired
Aug 20, 2007, 10:04 AM CDT
In force
Issued by
NWS Chicago, IL
Flood severity
Moderate

County DeKalb County, IL

The radar

The Chicago radar (KLOT), 65 km from the middle of the area, began a volume at 16:56 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 river

Written for the forecast point South Branch Kishwaukee River at De Kalb (DEKI2).

Action stage
8.5 ft
Minor stage
10 ft
Moderate stage
11 ft
Major stage
12.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05439000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS43 KLOT 191655
FLWLOT
 
FLOOD WARNING 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
1155 AM CDT SUN AUG 19 2007

...THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A FLOOD WARNING
FOR THE FOLLOWING RIVERS IN ILLINOIS... 

  KISHWAUKEE RIVER AT BELVIDERE AFFECTING BOONE COUNTY
  KISHWAUKEE RIVER NEAR PERRYVILLE AFFECTING WINNEBAGO COUNTY
  ROCK RIVER AT ROCKTON AFFECTING WINNEBAGO COUNTY
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY
  ROCK RIVER AT ROCKFORD AFFECTING WINNEBAGO COUNTY
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY
  SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB AFFECTING DE KALB COUNTY

.THIS FLOOD WARNING IS A RESULT OF EXCESSIVE RAINFALL OVER THE 
LAST 24 HOURS AND A FORECAST OF A CONTINUED CHANCE OF PRECIPITATION OVER
THE SAME AREA...

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ADDITIONAL INFORMATION CAN BE FOUND AT WEATHER.GOV/CHICAGO. 

ILC007-200455-
/O.NEW.KLOT.FL.W.0007.070819T1902Z-070823T0651Z/
/BVDI2.3.ER.070819T1902Z.070821T0600Z.070823T0051Z.NR/
1155 AM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A 

* FLOOD WARNING FOR 
  THE KISHWAUKEE RIVER AT BELVIDERE.
* UNTIL LATE WEDNESDAY NIGHT .
* AT 1015 AM SUNDAY THE STAGE WAS 4.2 FEET. 
* RECORD FLOODING IS FORECAST. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS AFTERNOON AND CONTINUE TO
  RISE TO NEAR 16.1 FEET BY EARLY TUESDAY MORNING. THE RIVER WILL 
  FALL BELOW FLOOD STAGE BY WEDNESDAY EVENING.


$$

ILC201-200455-
/O.NEW.KLOT.FL.W.0008.070819T2230Z-070824T1200Z/
/PRYI2.3.ER.070819T2230Z.070821T0000Z.070824T0600Z.NR/
1155 AM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A 

* FLOOD WARNING FOR 
  THE KISHWAUKEE RIVER NEAR PERRYVILLE.
* FROM THIS AFTERNOON TO FRIDAY MORNING .
* AT 1030 AM SUNDAY THE STAGE WAS 8.4 FEET. 
* MAJOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 12.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND 
  CONTINUE TO RISE TO NEAR 22.4 FEET BY MONDAY EVENING. THE RIVER 
  WILL FALL BELOW FLOOD STAGE BY EARLY FRIDAY MORNING.
* IMPACT...AT 22.0 FEET...DAMAGE BEGINS IN CHERRY VALLEY.

$$

ILC201-200455-
/O.NEW.KLOT.FL.W.0009.070820T0430Z-000000T0000Z/
/ROKI2.3.ER.070820T0430Z.070821T0000Z.000000T0000Z.NR/
1155 AM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A 

* FLOOD WARNING FOR 
  THE ROCK RIVER AT ROCKTON.
* FROM THIS EVENING UNTIL FURTHER NOTICE ...
* AT 1030 AM SUNDAY THE STAGE WAS 5.4 FEET. 
* MAJOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY TONIGHT AND CONTINUE TO RISE 
  TO NEAR 14.0 FEET BY MONDAY EVENING.
* IMPACT...AT 14.0 FEET...PRAIRIE HILL ROAD 3 MILES NORTH IS 
  INUNDATED.

$$

ILC201-200454-
/O.NEW.KLOT.FL.W.0010.070820T0815Z-000000T0000Z/
/LATI2.2.ER.070820T0815Z.070821T0600Z.000000T0000Z.UU/
1155 AM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A 

* FLOOD WARNING FOR 
  THE ROCK RIVER AT LATHAM PARK.
* FROM LATE TONIGHT UNTIL FURTHER NOTICE ...
* AT 1015 AM SUNDAY THE STAGE WAS 5.5 FEET. 
* MODERATE FLOODING IS FORECAST. 
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY MONDAY AND CONTINUE TO 
  RISE TO NEAR 11.9 FEET BY EARLY TUESDAY MORNING.


$$

ILC201-200454-
/O.NEW.KLOT.FL.W.0011.070820T0925Z-070825T1800Z/
/RABI2.3.ER.070820T0925Z.070821T0600Z.070825T1200Z.UU/
1155 AM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A 

* FLOOD WARNING FOR 
  THE ROCK RIVER AT ROCKFORD.
* FROM LATE TONIGHT TO SATURDAY AFTERNOON .
* AT 1015 AM SUNDAY THE STAGE WAS 3.1 FEET. 
* MAJOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY MONDAY AND CONTINUE TO 
  RISE TO NEAR 11.8 FEET BY EARLY TUESDAY MORNING. THE RIVER WILL 
  FALL BELOW FLOOD STAGE BY SATURDAY MORNING.


$$

ILC141-200454-
/O.NEW.KLOT.FL.W.0012.070820T0947Z-070825T0900Z/
/BYRI2.3.ER.070820T0947Z.070821T1200Z.070825T0300Z.UU/
1155 AM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A 

* FLOOD WARNING FOR 
  THE ROCK RIVER AT BYRON.
* FROM LATE TONIGHT TO LATE FRIDAY NIGHT .
* AT 1030 AM SUNDAY THE STAGE WAS 7.4 FEET. 
* MAJOR FLOODING IS FORECAST. 
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY MONDAY AND CONTINUE TO 
  RISE TO NEAR 18.9 FEET BY TUESDAY MORNING. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY FRIDAY EVENING.


$$

ILC037-200454-
/O.NEW.KLOT.FL.W.0013.070820T1200Z-070821T2043Z/
/DEKI2.2.ER.070820T1200Z.070821T0000Z.070821T1443Z.NO/
1155 AM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A 

* FLOOD WARNING FOR 
  THE SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB.
* FROM MONDAY MORNING TO TUESDAY AFTERNOON .
* AT 1030 AM SUNDAY THE STAGE WAS 4.7 FEET. 
* MODERATE FLOODING IS FORECAST. 
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY MORNING AND CONTINUE TO
  RISE TO NEAR 12.2 FEET BY MONDAY EVENING. THE RIVER WILL FALL BELOW
  FLOOD STAGE BY LATE TUESDAY MORNING.
* IMPACT...AT 12.1 FEET...RIVER FLOODS RIVERHEIGHTS GOLF COURSE IN DE 
  KALB.

$$
4 follow-up statements
000 
WGUS83 KLOT 192013
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
313 PM CDT SUN AUG 19 2007

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
ILLINOIS...
 
  KISHWAUKEE RIVER AT BELVIDERE AFFECTING BOONE COUNTY 
  KISHWAUKEE RIVER NEAR PERRYVILLE AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT ROCKTON AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT ROCKFORD AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY 
  SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB AFFECTING DE KALB COUNTY 

.A WARM FRONT WILL REMAIN DRAPED TO THE SOUTH OF THE REGION TONIGHT.  
MEANWHILE...STRONG SOUTHERLY FLOW OF VERY MOIST TROPICAL AIR WILL 
CONTINUE TO MOVE INTO NORTHERN ILLINOIS THROUGH THE OVERNIGHT HOURS.
THIS WILL LEAD TO VERY HEAVY RAINFALL ACROSS THE REGION AS THUNDERSTORMS 
CONTINUE TO DEVELOP TO THE NORTH OF THE WARM FRONT.  ATMOSPHERIC 
CONDITIONS ARE SUCH THAT THUNDERSTORMS ARE EXPECTED TO MOVE OVER THE 
SAME LOCATIONS OVER AND OVER AGAIN...LEADING TO VERY HEAVY RAINFALL 
ACROSS THE AREA.    

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC007-200813-
/O.EXT.KLOT.FL.W.0007.000000T0000Z-070823T1600Z/
/BVDI2.3.ER.070820T0255Z.070821T0600Z.070823T1000Z.NR/
313 PM CDT SUN AUG 19 2007

...FLOOD WARNING EXTENDED UNTIL THURSDAY MORNING...
 
THE FLOOD WARNING CONTINUES FOR
  THE KISHWAUKEE RIVER AT BELVIDERE.
* UNTIL THURSDAY MORNING ...OR UNTIL THE WARNING IS CANCELLED.
* AT 230 PM SUNDAY THE STAGE WAS 5.0 FEET. 
* RECORD FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY TONIGHT AND CONTINUE TO RISE 
  TO NEAR 16.3 FEET BY EARLY TUESDAY MORNING. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY THURSDAY MORNING.

$$

ILC201-200813-
/O.EXT.KLOT.FL.W.0008.070820T0046Z-070824T2248Z/
/PRYI2.3.ER.070820T0046Z.070821T0000Z.070824T1648Z.NR/
313 PM CDT SUN AUG 19 2007

...FLOOD WARNING EXTENDED UNTIL FRIDAY AFTERNOON...
 
THE FLOOD WARNING CONTINUES FOR
  THE KISHWAUKEE RIVER NEAR PERRYVILLE.
* FROM THIS EVENING TO FRIDAY AFTERNOON ...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 230 PM SUNDAY THE STAGE WAS 9.7 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 12.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS EVENING AND CONTINUE TO 
  RISE TO NEAR 22.8 FEET BY MONDAY EVENING. THE RIVER WILL FALL BELOW
  FLOOD STAGE BY LATE FRIDAY MORNING.
* IMPACT...AT 22.0 FEET...DAMAGE BEGINS IN CHERRY VALLEY.

$$

ILC201-200813-
/O.EXT.KLOT.FL.W.0009.070820T1144Z-000000T0000Z/
/ROKI2.3.ER.070820T1144Z.070821T0600Z.000000T0000Z.NR/
313 PM CDT SUN AUG 19 2007

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT ROCKTON.
* FROM MONDAY MORNING UNTIL FURTHER NOTICE .
* AT 230 PM SUNDAY THE STAGE WAS 5.6 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY MORNING AND CONTINUE TO
  RISE TO NEAR 14.9 FEET BY EARLY TUESDAY MORNING.
* IMPACT...AT 14.0 FEET...PRAIRIE HILL ROAD 3 MILES NORTH IS 
  INUNDATED.

$$

ILC201-200813-
/O.EXT.KLOT.FL.W.0010.070820T1200Z-000000T0000Z/
/LATI2.3.ER.070820T1200Z.070821T1800Z.000000T0000Z.UU/
313 PM CDT SUN AUG 19 2007

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT LATHAM PARK.
* FROM MONDAY MORNING UNTIL FURTHER NOTICE .
* AT 215 PM SUNDAY THE STAGE WAS 5.8 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY MORNING AND CONTINUE TO
  RISE TO NEAR 13.1 FEET BY TUESDAY AFTERNOON.


$$

ILC201-200813-
/O.EXT.KLOT.FL.W.0011.070820T1135Z-000000T0000Z/
/RABI2.3.ER.070820T1135Z.070821T1800Z.000000T0000Z.UU/
313 PM CDT SUN AUG 19 2007

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT ROCKFORD.
* FROM MONDAY MORNING UNTIL FURTHER NOTICE .
* AT 230 PM SUNDAY THE STAGE WAS 3.2 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY MORNING AND CONTINUE TO
  RISE TO NEAR 13.7 FEET BY TUESDAY AFTERNOON.


$$

ILC141-200812-
/O.EXT.KLOT.FL.W.0012.070820T0925Z-070825T0300Z/
/BYRI2.3.ER.070820T0925Z.070821T1200Z.070824T2100Z.UU/
313 PM CDT SUN AUG 19 2007

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT BYRON.
* FROM LATE TONIGHT TO FRIDAY EVENING ...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 200 PM SUNDAY THE STAGE WAS 7.8 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY MONDAY AND CONTINUE TO 
  RISE TO NEAR 19.0 FEET BY TUESDAY MORNING. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY FRIDAY AFTERNOON.


$$

ILC037-200812-
/O.EXT.KLOT.FL.W.0013.070820T1415Z-070822T1520Z/
/DEKI2.3.ER.070820T1415Z.070821T0600Z.070822T0920Z.NR/
313 PM CDT SUN AUG 19 2007

...FLOOD WARNING EXTENDED UNTIL WEDNESDAY MORNING...
 
THE FLOOD WARNING CONTINUES FOR
  THE SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB.
* FROM MONDAY MORNING TO WEDNESDAY MORNING ...OR UNTIL THE WARNING IS
  CANCELLED.
* AT 200 PM SUNDAY THE STAGE WAS 5.1 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY MORNING AND CONTINUE TO
  RISE TO NEAR 15.2 FEET BY EARLY TUESDAY MORNING. THE RIVER WILL 
  FALL BELOW FLOOD STAGE BY WEDNESDAY MORNING.

$$

GITRO
000 
WGUS83 KLOT 200130
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
830 PM CDT SUN AUG 19 2007

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
ILLINOIS...
 
  KISHWAUKEE RIVER AT BELVIDERE AFFECTING BOONE COUNTY 
  KISHWAUKEE RIVER NEAR PERRYVILLE AFFECTING WINNEBAGO COUNTY 
  PECATONICA RIVER NEAR SHIRLAND AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT ROCKTON AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT ROCKFORD AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY 
  SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB AFFECTING DE KALB COUNTY 

.WARM MOIST AIR WILL CONTINUE TO MOVE INTO NORTHERN ILLINOIS 
TONIGHT...RISING ABOVE A WARM FRONT DRAPED TO THE SOUTH OF THE 
REGION.  THIS WILL LEAD TO CONTINUED SHOWER AND THUNDERSTORM 
DEVELOPMENT WITH VERY HEAVY RAINFALL ACROSS THE REGION.  MODEL 
PRECIPITATION ESTIMATES THAT AS MUCH AS 4 TO 5 INCHES OF 
RAINFALL WILL BE POSSIBLE ACROSS SOME LOCATIONS THROUGH MONDAY
AFTERNOON...SENDING RIVER LEVELS WELL ABOVE FLOOD STAGE.  IT SHOULD BE
NOTED HOWEVER THAT RIVER LEVELS ARE BASED UPON MODEL PRECIPITATION
ESTIMATES AND IF LOWER PRECIPITATION AMOUNTS ARE RECEIVED...RIVER 
STAGES WILL BE LOWER THAN WHAT IS FORECASTED CURRENTLY.  

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC007-201330-
/O.EXT.KLOT.FL.W.0007.000000T0000Z-070823T1617Z/
/BVDI2.3.ER.070820T0726Z.070821T1800Z.070823T1017Z.NR/
830 PM CDT SUN AUG 19 2007

...FLOOD WARNING EXTENDED UNTIL THURSDAY MORNING...
 
THE FLOOD WARNING CONTINUES FOR
  THE KISHWAUKEE RIVER AT BELVIDERE.
* UNTIL THURSDAY MORNING ...OR UNTIL THE WARNING IS CANCELLED.
* AT 700 PM SUNDAY THE STAGE WAS 5.7 FEET. 
* RECORD FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY MONDAY AND CONTINUE TO 
  RISE TO NEAR 15.1 FEET BY TUESDAY AFTERNOON. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY THURSDAY MORNING.

$$

ILC201-201330-
/O.EXT.KLOT.FL.W.0008.000000T0000Z-070824T1800Z/
/PRYI2.2.ER.070820T0440Z.070821T1800Z.070824T1200Z.NO/
830 PM CDT SUN AUG 19 2007

THE FLOOD WARNING CONTINUES FOR
  THE KISHWAUKEE RIVER NEAR PERRYVILLE.
* UNTIL FRIDAY AFTERNOON ...OR UNTIL THE WARNING IS CANCELLED.
* AT 730 PM SUNDAY THE STAGE WAS 10.8 FEET. 
* MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 12.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY TONIGHT AND CONTINUE TO RISE 
  TO NEAR 21.5 FEET BY TUESDAY AFTERNOON. THE RIVER WILL FALL BELOW 
  FLOOD STAGE BY FRIDAY MORNING.
* IMPACT...AT 22.0 FEET...DAMAGE BEGINS IN CHERRY VALLEY.

$$

ILC201-201330-
/O.EXT.KLOT.FL.W.0009.070820T1436Z-000000T0000Z/
/ROKI2.2.ER.070820T1436Z.070821T0600Z.000000T0000Z.NR/
830 PM CDT SUN AUG 19 2007

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT ROCKTON.
* FROM MONDAY MORNING UNTIL FURTHER NOTICE .
* AT 730 PM SUNDAY THE STAGE WAS 5.9 FEET. 
* MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY MORNING AND CONTINUE TO
  RISE TO NEAR 13.7 FEET BY EARLY TUESDAY MORNING.
* IMPACT...AT 13.5 FEET...OLD RIVER ROAD WEST OF ROSCOE BRIDGE IS 
  INUNDATED.

$$

ILC201-201330-
/O.EXT.KLOT.FL.W.0010.070820T1510Z-000000T0000Z/
/LATI2.2.ER.070820T1510Z.070821T0600Z.000000T0000Z.UU/
830 PM CDT SUN AUG 19 2007

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT LATHAM PARK.
* FROM MONDAY MORNING UNTIL FURTHER NOTICE .
* AT 700 PM SUNDAY THE STAGE WAS 6.0 FEET. 
* MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY MORNING AND CONTINUE TO
  RISE TO NEAR 11.9 FEET BY EARLY TUESDAY MORNING.


$$

ILC201-201330-
/O.EXT.KLOT.FL.W.0011.070820T1523Z-070827T0000Z/
/RABI2.3.ER.070820T1523Z.070821T1200Z.070826T1800Z.UU/
830 PM CDT SUN AUG 19 2007

...FLOOD WARNING NOW EXPECTED TO END SUNDAY AUGUST 26...
 
THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT ROCKFORD.
* FROM MONDAY MORNING TO SUNDAY AUGUST 26 ...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 700 PM SUNDAY THE STAGE WAS 3.2 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY MORNING AND CONTINUE TO
  RISE TO NEAR 12.0 FEET BY TUESDAY MORNING. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY SUNDAY AFTERNOON.

$$

ILC141-201330-
/O.EXT.KLOT.FL.W.0012.070820T1500Z-070825T1200Z/
/BYRI2.3.ER.070820T1500Z.070821T1800Z.070825T0600Z.UU/
830 PM CDT SUN AUG 19 2007

...FLOOD WARNING EXTENDED UNTIL SATURDAY MORNING...
 
THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT BYRON.
* FROM MONDAY MORNING TO SATURDAY MORNING ...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 715 PM SUNDAY THE STAGE WAS 8.5 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY MORNING AND CONTINUE TO
  RISE TO NEAR 18.8 FEET BY TUESDAY AFTERNOON. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY EARLY SATURDAY MORNING.

$$

ILC201-201330-
/O.EXT.KLOT.FL.W.0017.070821T0730Z-000000T0000Z/
/SIRI2.2.ER.070821T0730Z.070823T0000Z.000000T0000Z.NO/
830 PM CDT SUN AUG 19 2007

THE FLOOD WARNING CONTINUES FOR
  THE PECATONICA RIVER NEAR SHIRLAND.
* FROM LATE MONDAY NIGHT UNTIL FURTHER NOTICE .
* AT 700 PM SUNDAY THE STAGE WAS 7.4 FEET. 
* MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 12.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY TUESDAY MORNING AND 
  CONTINUE TO RISE TO NEAR 16.0 FEET BY WEDNESDAY EVENING.
* IMPACT...AT 15.7 FEET...THE SHIRLAND HARRISON ROAD FLOODS.

$$

ILC037-201329-
/O.EXT.KLOT.FL.W.0013.070820T2149Z-070822T0330Z/
/DEKI2.2.ER.070820T2149Z.070821T0600Z.070821T2130Z.NO/
830 PM CDT SUN AUG 19 2007

THE FLOOD WARNING CONTINUES FOR
  THE SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB.
* FROM MONDAY AFTERNOON TO TUESDAY EVENING ...OR UNTIL THE WARNING IS
  CANCELLED.
* AT 715 PM SUNDAY THE STAGE WAS 5.2 FEET. 
* MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY MONDAY AFTERNOON AND CONTINUE 
  TO RISE TO NEAR 12.1 FEET BY EARLY TUESDAY MORNING. THE RIVER WILL 
  FALL BELOW FLOOD STAGE BY TUESDAY AFTERNOON.
* IMPACT...AT 12.1 FEET...RIVER FLOODS RIVERHEIGHTS GOLF COURSE IN DE 
  KALB.

$$

GITRO
000 
WGUS83 KLOT 201031
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
531 AM CDT MON AUG 20 2007

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
ILLINOIS...
 
  ROCK RIVER AT ROCKFORD AFFECTING WINNEBAGO COUNTY
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
ILLINOIS...
 
  KISHWAUKEE RIVER AT BELVIDERE AFFECTING BOONE COUNTY 
  KISHWAUKEE RIVER NEAR PERRYVILLE AFFECTING WINNEBAGO COUNTY 
  PECATONICA RIVER NEAR SHIRLAND AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT ROCKTON AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY 
  ROCK RIVER AT BYRON AFFECTING OGLE COUNTY 
  SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB AFFECTING DE KALB COUNTY 

.SYNOPSIS...A WARM FRONT WILL BE THE FOCUS FOR THUNDERSTORMS WITH HEAVY 
RAIN OVER NORTHERN ILLINOIS AND SOUTHERN WISCONSIN TODAY THROUGH WEDENSDAY. 

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC007-202231-
/O.EXT.KLOT.FL.W.0007.000000T0000Z-070823T1800Z/
/BVDI2.3.ER.070820T1227Z.070821T1800Z.070823T1200Z.NR/
531 AM CDT MON AUG 20 2007

...FLOOD WARNING EXTENDED UNTIL THURSDAY AFTERNOON...
 
THE FLOOD WARNING CONTINUES FOR
  THE KISHWAUKEE RIVER AT BELVIDERE.
* UNTIL THURSDAY AFTERNOON ...OR UNTIL THE WARNING IS CANCELLED.
* AT 430 AM MONDAY THE STAGE WAS 6.6 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS MORNING AND CONTINUE TO 
  RISE TO NEAR 12.8 FEET BY TUESDAY AFTERNOON. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY THURSDAY MORNING.

$$

ILC201-202231-
/O.EXT.KLOT.FL.W.0008.000000T0000Z-070824T2024Z/
/PRYI2.2.ER.070820T0712Z.070822T0000Z.070824T1424Z.NO/
531 AM CDT MON AUG 20 2007

...FLOOD WARNING EXTENDED UNTIL FRIDAY AFTERNOON...
 
THE FLOOD WARNING CONTINUES FOR
  THE KISHWAUKEE RIVER NEAR PERRYVILLE.
* UNTIL FRIDAY AFTERNOON ...OR UNTIL THE WARNING IS CANCELLED.
* AT 430 AM MONDAY THE STAGE WAS 12.4 FEET. 
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 12.0 FEET. 
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 19.3 FEET BY 
  TUESDAY EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE LATE FRIDAY 
  MORNING.

$$

ILC201-202231-
/O.EXT.KLOT.FL.W.0009.070820T1938Z-070823T1500Z/
/ROKI2.2.ER.070820T1938Z.070821T1800Z.070823T0900Z.NO/
531 AM CDT MON AUG 20 2007

...FLOOD WARNING NOW EXPECTED TO END THURSDAY MORNING...
 
THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT ROCKTON.
* FROM THIS AFTERNOON TO THURSDAY MORNING ...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 430 AM MONDAY THE STAGE WAS 7.5 FEET. 
* MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS AFTERNOON AND CONTINUE TO
  RISE TO NEAR 12.2 FEET BY TUESDAY AFTERNOON. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY THURSDAY MORNING.
* IMPACT...AT 12.0 FEET...WATER BEGINS TO FLOW OVER LOW LYING ROADS 
  ALONG THE RIVER IN ROSCOE.

$$

ILC201-202231-
/O.EXT.KLOT.FL.W.0010.070821T0234Z-070823T1200Z/
/LATI2.2.ER.070821T0234Z.070822T0000Z.070823T0600Z.UU/
531 AM CDT MON AUG 20 2007

...FLOOD WARNING NOW EXPECTED TO END THURSDAY MORNING...
 
THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT LATHAM PARK.
* FROM THIS EVENING TO THURSDAY MORNING ...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 415 AM MONDAY THE STAGE WAS 7.1 FEET. 
* MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY TONIGHT AND CONTINUE TO RISE 
  TO NEAR 11.2 FEET BY TUESDAY EVENING. THE RIVER WILL FALL BELOW 
  FLOOD STAGE BY EARLY THURSDAY MORNING.

$$

ILC201-201101-
/O.CAN.KLOT.FL.W.0011.000000T0000Z-070827T0000Z/
/RABI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
531 AM CDT MON AUG 20 2007

THE FLOOD WARNING IS CANCELLED FOR
  THE ROCK RIVER AT ROCKFORD.
* AT 430 AM MONDAY THE STAGE WAS 3.3 FEET. 
* FLOOD STAGE IS 9.0 FEET. 
* FORECAST...THE RIVER WILL CREST BELOW FLOOD STAGE AT 3.8 FEET 
  TUESDAY EVENING.


$$

ILC141-202230-
/O.EXT.KLOT.FL.W.0012.070821T0500Z-070824T1200Z/
/BYRI2.3.ER.070821T0500Z.070822T0600Z.070824T0600Z.UU/
531 AM CDT MON AUG 20 2007

THE FLOOD WARNING CONTINUES FOR
  THE ROCK RIVER AT BYRON.
* FROM LATE TONIGHT TO FRIDAY MORNING ...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 430 AM MONDAY THE STAGE WAS 9.6 FEET. 
* MAJOR FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY EARLY TUESDAY AND CONTINUE TO 
  RISE TO NEAR 16.3 FEET BY EARLY WEDNESDAY MORNING. THE RIVER WILL 
  FALL BELOW FLOOD STAGE BY EARLY FRIDAY MORNING.


$$

ILC037-202230-
/O.EXT.KLOT.FL.W.0013.070820T2340Z-070822T0032Z/
/DEKI2.2.ER.070820T2340Z.070821T0600Z.070821T1832Z.NO/
531 AM CDT MON AUG 20 2007

THE FLOOD WARNING CONTINUES FOR
  THE SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB.
* FROM THIS EVENING TO TUESDAY EVENING ...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 430 AM MONDAY THE STAGE WAS 7.0 FEET. 
* MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS EVENING AND CONTINUE TO 
  RISE TO NEAR 11.2 FEET BY EARLY TUESDAY. THE RIVER WILL FALL BELOW 
  FLOOD STAGE BY TUESDAY AFTERNOON.
* IMPACT...AT 11.0 FEET...STREET FLOODING BEGINS IN NORTHERN PART OF 
  DE KALB.

$$

ILC201-202230-
/O.EXT.KLOT.FL.W.0017.070822T1030Z-070825T0300Z/
/SIRI2.1.ER.070822T1030Z.070823T0600Z.070824T2100Z.NO/
531 AM CDT MON AUG 20 2007

...FLOOD WARNING NOW EXPECTED TO END FRIDAY EVENING...
 
THE FLOOD WARNING CONTINUES FOR
  THE PECATONICA RIVER NEAR SHIRLAND.
* FROM LATE TUESDAY NIGHT TO FRIDAY EVENING ...OR UNTIL THE WARNING 
  IS CANCELLED.
* AT 415 AM MONDAY THE STAGE WAS 8.2 FEET. 
* MINOR FLOODING IS FORECAST.
* FLOOD STAGE IS 12.0 FEET. 
* FORECAST...RISE ABOVE FLOOD STAGE BY WEDNESDAY MORNING AND CONTINUE
  TO RISE TO NEAR 12.6 FEET BY EARLY THURSDAY MORNING. THE RIVER WILL
  FALL BELOW FLOOD STAGE BY FRIDAY AFTERNOON.
* IMPACT...AT 12.0 FEET...WATER OVERFLOWS LOW LYING AREAS NEAR THE 
  RIVER.

$$
000 
WGUS83 KLOT 201504
FLSLOT
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 
1004 AM CDT MON AUG 20 2007

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
ILLINOIS...
 
  PECATONICA RIVER NEAR SHIRLAND AFFECTING WINNEBAGO COUNTY
  ROCK RIVER AT LATHAM PARK AFFECTING WINNEBAGO COUNTY
  SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB AFFECTING DE KALB COUNTY

.OVERNIGHT RAINFALL AMOUNTS WERE LESS THAN FORECAST THEREFORE RIVER
CRESTS HAVE BEEN REVISED LOWER. RISES ARE EXPECTED AT THE FOLLOWING
LOCATIONS BUT WATER LEVELS SHOULD CREST BELOW FLOOD STAGE.

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ILC201-201534-
/O.CAN.KLOT.FL.W.0010.000000T0000Z-070823T1200Z/
/LATI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
1004 AM CDT MON AUG 20 2007

THE FLOOD WARNING IS CANCELLED FOR
  THE ROCK RIVER AT LATHAM PARK.
* AT 900 AM MONDAY THE STAGE WAS 7.7 FEET. 
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...THE RIVER WILL CREST BELOW FLOOD STAGE AT 9.4 FEET 
  TUESDAY AFTERNOON.


$$

ILC201-201534-
/O.CAN.KLOT.FL.W.0017.000000T0000Z-070825T0300Z/
/SIRI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1004 AM CDT MON AUG 20 2007

THE FLOOD WARNING IS CANCELLED FOR
  THE PECATONICA RIVER NEAR SHIRLAND.
* AT 900 AM MONDAY THE STAGE WAS 8.6 FEET. 
* FLOOD STAGE IS 12.0 FEET. 
* FORECAST...THE RIVER WILL CREST BELOW FLOOD STAGE AT 11.6 FEET 
  THURSDAY MORNING.
* IMPACT...AT 12.0 FEET...WATER OVERFLOWS LOW LYING AREAS NEAR THE 
  RIVER.

$$

ILC037-201534-
/O.CAN.KLOT.FL.W.0013.000000T0000Z-070822T0032Z/
/DEKI2.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1004 AM CDT MON AUG 20 2007

THE FLOOD WARNING IS CANCELLED FOR
  THE SOUTH BRANCH KISHWAUKEE RIVER AT DE KALB.
* AT 915 AM MONDAY THE STAGE WAS 7.2 FEET. 
* FLOOD STAGE IS 10.0 FEET. 
* FORECAST...THE RIVER WILL CREST BELOW FLOOD STAGE AT 9.4 FEET THIS 
  EVENING.
* IMPACT...AT 8.5 FEET...WATER BEGINS TO AFFECT LOWEST AREAS NEAR THE 
  RIVER ON THE SOUTH SIDE OF DE KALB.

$$

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this river flood warning went out at Aug 19, 6:50 AM CDT, 5 hours 5 minutes earlier.

Area forecast discussion, Aug 19, 6:50 AM CDT, 5 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
650 AM CDT SUN AUG 19 2007

.DISCUSSION...
338 AM CDT

SHOWERS AND THUNDERSTORMS ARE MOVING EAST ACROSS NORTH CENTRAL AND
NORTHEAST ILLINOIS THIS MORNING. OUR FLASH FLOOD MONITOR PROGRAM
SHOWS THE RAINFALL THAT HAS FALLEN IN THE LAST THREE HOURS STILL
BELOW FLASH FLOOD GUIDANCE. THE FLASH FLOOD GUIDANCE IS THE AMOUNT
OF RAIN NEEDED DURING A CERTAIN TIME FRAME TO PRODUCE FLASH
FLOODING. WE EXPECT RAIN TODAY SO WE WILL KEEP THE FLASH FLOOD WATCH
FOR THIS AFTERNOON AND TONIGHT.

AN EAST WEST CROSS SECTION OF RADAR REFLECTIVITY DATA SHOWS THE
BANDED NATURE OF THESE SHOWERS AND THUNDERSTORMS. THIS PATTERN
SUGGEST FRONTOGENESIS. THE LOCALLY RUN WRF SHOWS THIS AS HIGH VALUES
OF NEGATIVE OMEGA (UPWARD LIFT) IN A CYCLIC PATTERN ALONG OUR
NORTHERN COUNTIES. THERE WERE PRESSURE SURFACE PRESSURE FALLS AT 08
UTC OVER NORTHEAST ILLINOIS...A LOW LEVEL JET SEEN ON THE PROFILER
DATA AT 850 SEEN ENTERING EASTERN IOWA AND A TROUGH AT 700 MB SEEN
ON THE ON THE PROFILER DATA AND ACARS SOUNDING INVERSION AT ORD AT
756 UTC. THESE SHOW THAT THE WARM FRONT IS MOVING NORTH. THIS IS
ALSO ENOUGH EVIDENCE OF FORCING TO PRODUCE THE THUNDERSTORMS THIS
MORNING. THE NATIONAL WRF AND OUR LOCAL WRF SHOW THAT THESE
CONDITIONS WILL CONTINUE TODAY. AN UPPER AIR TROUGH WILL MOVE INTO
ILLINOIS BY MIDNIGHT TUESDAY MORNING. WE EXPECT MORE SHOWERS AND
THUNDERSTORMS MONDAY AND MONDAY NIGHT. THERE WILL BE PERIODS OF
HEAVY RAIN TONIGHT AND MONDAY. THIS AS THE FRONT STALLS OVER THE
AREA AND MID TO LOW LEVEL JET STREAK MOVES ACROSS SOUTHERN WISCONSIN
AND NORTHERN ILLINOIS. THIS IS SEEN ON THE GFS MODEL FORECAST.

FOR THE REST OF THE WEEK...A LARGE TROUGH OVER NORTHERN PLAINS AND
SOUTHERN CANADA WILL MOVE THROUGH NORTHERN GREAT LAKES THURSDAY.
THEN THE FLOW ALOFT WILL BE ZONAL WITH SOME SHORT WAVE TROUGH MOVING
THROUGH. WE WILL KEEP THE CHANCES OF PRECIPITATION FOR THE END OF
THE WEEK.

THE TEMPERATURE FORECAST FOR TODAY THROUGH TUESDAY WERE ADJUSTED
BECAUSE OF THE RAIN AND CLOUDS FOR THOSE DAYS. WE LOWER THE HIGHS A
LITTLE SINCE THE LAST FORECAST.

&&

.AVIATION...
650 AM CDT

SHORT WAVE THAT MOVED FROM IA INTO NORTHERN IL OVERNIGHT NOW MOVING
OFF TO THE E WITH COOLING CLOUD TOPS AND INCREASING COVERAGE OF SHRA
AND TSRA ACROSS NORTHERN IN INTO W CENTRAL OH. A TEMPORARY DECREASE
IN CONVECTIVE ACTIVITY EXPECTED INTO MID OR LATE MORNING UNTIL TROF
MOVING ACROSS NW IA AND S CENTRAL MN MOVES ESE ACROSS NORTHERN IL
WITH ANOTHER ROUND OF SHRA AND TSRA. SEVERAL HOUR LONG BOUT OF
MODERATE TO HEAVY RA FM SOUTHERN MN ACROSS SOUTHERN WI TO SOUTHERN
LOWER MI DURING THE NIGHT ALONG BAROCLINIC ZONE. APPEARS THAT THIS
ZONE HAS SHIFTED A BIT SOUTHWARD DUE TO OUTFLOWS OF RAIN COOLED AIR
AND THIS PUTS TERMINALS UNDER EXPECTED AXIS OF TSRA LATE AFTERNOON
AND TONIGHT WITH MID LEVEL TROF LIFTING NE FROM THE CENTRAL PLAINS.
WIDSPREAD MVFR AND AREAS OF IFR CIGS JUST TO N WHERE MAIN RA AREA
WAS LOCATED LAST NIGHT AND EXPECT TO SPREAD SOUTHWARD ACROSS TEH
TERMINALS DURING THE MID AND LATE AFTERNOON AS MORE EXTENSIVE AND
CONTINUOUS RA DEVELOPS. WARM FRONT HAS BEEN LIFTING INTO CENTRAL IL
BUT STRONG RIDGE OF HI PRES FROM ONTARIO ACROSS THE LOWER LAKES WILL
KEEP IT FROM ADVANCING INTO NORTHERN PARTS OF IL OR IN MAINTAINING
E-SE SURFACE WINDS.

TRS

&&

.MARINE...
345 AM CDT

LARGE HIGH PRESSURE RIDGE FROM ONTARIO TO THE MID ATLANTIC COAST
MOVES SLOWLY EAST TODAY DECREASING THE PRESSURE GRADIENT ACROSS
LAKE MI...THOUGH OFFSET SOMEWHAT BY DEEPENING LOW PRESSURE OUT IN
ALBERTA AND THE NORTHERN HIGH PLAINS. COASTAL OBS FROM THE IL AND SE
WI SHORES STILL REPORTING GUSTS OF 20-25 KTS EARLY THIS MORNING.
PREVAILING SPPEDS ACROSS THE S PORTION OF THE LAKE SHOULD DROP TO
10-20 KT RANGE DURING THE MORING WITH THE SLIGHT SLACKENING OF THE
PRESSURE GRADIENT. WARM FRONT EXTENDING FROM THE CENTRAL PLAINS SE
ACROSS THE LOWER OH VALLEY WILL LIFT NORTHWARD TODAY AND MAY PUSH AS
FAR N AS THE SOUTH TIP OF THE LAKE...BUT E TO SE WINDS WILL PREVAIL
TONIGHT AND THROUGH MON WITH HIGH PRESURE SLOWLY DRIFTING E TO
QUEBEC AND NEW ENGLAND BY MON NIGHT AND THE LOW MOVING OUT INTO
CENTRAL CANADA AND THE NORTHERN PLAINS. THIS KEEPS A MODERATELY
TIGHT PRESSURE GRADIENT ACROSS THE UPPER LAKES. RAIN AND EMBEDDED
THUNDERSTORMS WILL BE PREVALANT ACROSS THE S PORTION OF THE LAKE
TODAY THROUGH MONDAY A LONG AN N OF THE WARM FRONT.

TRS

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...FLASH FLOOD WATCH SUNDAY THROUGH MONDAY AFTERNOON
IN...NONE.
LM...SC.Y THRU 16Z WILMETTE HBR TO CALUMET HBR...THRU 21Z WINTHROP
HBR TO WILMETTE HBR.

&&
Hazardous weather outlook, Aug 19, 4:54 AM CDT, 7 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
454 AM CDT SUN AUG 19 2007

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
201000-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
454 AM CDT SUN AUG 19 2007 /554 AM EDT SUN AUG 19 2007/

THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR NORTH
CENTRAL AND NORTHEAST ILLINOIS...AND NORTHWEST INDIANA.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS WILL OCCUR TODAY AND TONIGHT. SOME OF THE
THUNDERSTORMS MAY PRODUCE ENOUGH RAIN FOR FLASH FLOODS TO OCCUR.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE LIKELY ON MONDAY. SOME OF THE THUNDERSTORMS
COULD PRODUCE SEVERE WEATHER ON MONDAY. THERE WILL BE A CHANCE
OF THUNDERSTORMS TUESDAY THROUGH SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT FOR FLOOD
REPORTS.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ740>745-766-201000-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
CALUMET HARBOR IL TO GARY IN-GARY INDIANA TO BURNS HARBOR-
BURNS HARBOR TO MICHIGAN CITY-
LAKE MICHIGAN, WINTHROP HARBOR IL EASTWARD TO THE MID-
POINT OF THE LAKE AND SOUTHWARD TO MICHIGAN CITY MI BEYOND 5 NM
OFFSHORE-
454 AM CDT SUN AUG 19 2007

THIS PORTION OF THE HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS
AND INDIANA WATERS OF LAKE MICHIGAN.

.DAY ONE...TODAY AND TONIGHT.

THERE WILL BE THUNDERSTORMS TODAY AND TONIGHT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THUNDERSTORMS ARE LIKELY ON MONDAY. SOME OF THE THUNDERSTORMS
COULD PRODUCE SEVERE WEATHER ON MONDAY. THERE WILL BE A CHANCE
OF THUNDERSTORMS TUESDAY THROUGH SATURDAY.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

In the hours before

Local storm report, Aug 19, 10:51 AM CDT, 1 hour 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1051 AM CDT SUN AUG 19 2007

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

1039 AM     FLOOD            UNION                   42.23N 88.54W
08/19/2007                   MCHENRY            IL   TRAINED SPOTTER

            RAILWAY MUSEUM IN UNION, IL FLOODED AND EVACUATED.
            TRAILER PARK/CAMPGROUND AT UNION, IL FLOODED. WATER ROSE
            1 FOOT IN 20 MINUTES ENDING AT 1035 CDT. AREA HAS BEEN
            EVACUATED AS WELL.

1039 AM     FLOOD            5 W HUNTLEY             42.17N 88.52W
08/19/2007                   MCHENRY            IL   TRAINED SPOTTER

            WATER FLOWING ACROSS U.S. ROUTE 20 JUST EAST OF
            INTERSTATE 90.

&&

MERZLOCK

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 18, 8:26 PM CDTFlash Flood WatchLOTBoone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more41 hr
Aug 19, 11:45 AM CDTFlash Flood WarningLOTLaSalle6 hr
Aug 19, 11:55 AM CDTRiver Flood WarningLOTWinnebago22 hr
Aug 19, 11:55 AM CDTRiver Flood WarningLOTWinnebago18 hr
Aug 19, 11:55 AM CDTRiver Flood WarningLOTOgle66 hr
Aug 19, 11:55 AM CDTRiver Flood WarningLOTBoone8 days
Aug 19, 11:55 AM CDTRiver Flood WarningLOTWinnebago11 days
Aug 19, 11:55 AM CDTRiver Flood WarningLOTWinnebago14 days
Aug 19, 12:45 PM CDTRiver Flood WarningLOTLake13 days
Aug 19, 12:45 PM CDTRiver Flood WarningLOTCook11 days
Aug 19, 12:45 PM CDTRiver Flood WarningLOTCook32 hr
Aug 19, 3:24 PM CDTRiver Flood WarningLOTWinnebago19 hr
Aug 19, 6:41 PM CDTSevere Thunderstorm WarningLOTFord37 min

Nearby

River Flood Warnings in Illinois, 2007Every river flood warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.