Alert archive / Illinois / Flash Flood Watches in 2009

Flash Flood Watch 9, NWS Lincoln, IL

October 7, 200918 counties in Illinois

NWS Lincoln, IL issued this flash flood watch at Oct 7, 2009, 3:43 AM CDT for 18 counties in Illinois. It took effect at Oct 8, 2009, 7:00 AM CDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Oct 7, 2009, 3:43 AM CDT (08:43 UTC)
In effect from
Oct 8, 2009, 7:00 AM CDT
Expired
Oct 9, 2009, 1:00 PM CDT
In force
30 hr
Issued by
NWS Lincoln, IL
Flood severity
None

Counties Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Jasper County, IL, Lawrence County, IL, Macon County, IL, Moultrie County, IL, Piatt County, IL, Richland County, IL, Shelby County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 121 km from the middle of the area, began a volume at 08:44 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 nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 8.7 hours before the alert went out and 85 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2009-10-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2009-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1513 m above ground
0-6 km bulk shear
105 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS63 KILX 070843
FFAILX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
343 AM CDT WED OCT 7 2009

...FLASH FLOOD WATCH SOUTH OF I-72 THURSDAY THROUGH FRIDAY MORNING...

.WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS WILL
DEVELOP THURSDAY AND GRADUALLY DIMINISH FRIDAY AFTERNOON. BETWEEN
2 AND 4 INCHES OF RAIN IS LIKELY BY NOON FRIDAY SOUTH OF I-72 WITH
LOCALLY HIGHER AMOUNTS FROM I-70 SOUTH. THIS COULD LEAD TO FLASH
FLOODING. 

ILZ052-054>057-061>063-066>068-071>073-072100-
/O.NEW.KILX.FF.A.0009.091008T1200Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHRISTIAN-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...TAYLORVILLE...CHARLESTON...MATTOON...
SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE
343 AM CDT WED OCT 7 2009

...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL ILLINOIS...EAST 
 CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS...INCLUDING THE 
 FOLLOWING AREAS...IN CENTRAL ILLINOIS...CHRISTIAN...MOULTRIE 
 AND SHELBY. IN EAST CENTRAL ILLINOIS...CLARK...COLES...
 CUMBERLAND...DOUGLAS AND EDGAR. IN SOUTHEAST ILLINOIS...CLAY...
 CRAWFORD...EFFINGHAM...JASPER...LAWRENCE AND RICHLAND.

* FROM THURSDAY MORNING THROUGH NOON FRIDAY

* WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
  WILL DEVELOP THURSDAY SOUTH OF I-72 AND DIMINISH FROM NORTHWEST
  TO SOUTHEAST FRIDAY AFTERNOON. BETWEEN 2 AND 4 INCHES OF RAIN IS
  LIKELY SOUTH OF I-72 BY FRIDAY AFTERNOON...WITH LOCALLY HIGHER
  AMOUNTS OF 4 TO 5 INCHES FROM I-70 SOUTH. THE HEAVIEST RAIN
  SHOULD FALL DURING THURSDAY NIGHT ACROSS SOUTHEAST ILLINOIS.
  THIS HEAVY RAIN COULD LEAD TO FLASH FLOODING ESPECIALLY IN LOW
  LYING AND POOR DRAINAGE AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

KH
9 follow-up statements
000 
WGUS63 KILX 071800
FFAILX

FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
100 PM CDT WED OCT 7 2009

...FLASH FLOOD WATCH SOUTH OF I-72 THURSDAY THROUGH FRIDAY
MORNING...

.WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
WILL DEVELOP THURSDAY AND GRADUALLY DIMINISH FRIDAY AFTERNOON.
BETWEEN 2 AND 4 INCHES OF RAIN IS LIKELY BY NOON FRIDAY SOUTH OF
I-72 WITH LOCALLY HIGHER AMOUNTS FROM I-70 SOUTH. THIS COULD LEAD
TO FLASH FLOODING.

ILZ052-054>057-061>063-066>068-071>073-080200-
/O.CON.KILX.FF.A.0009.091008T1200Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHRISTIAN-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...TAYLORVILLE...CHARLESTON...MATTOON...
SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE
100 PM CDT WED OCT 7 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND 
 SOUTHEAST ILLINOIS...INCLUDING THE FOLLOWING AREAS...IN 
 CENTRAL ILLINOIS...CHRISTIAN...MOULTRIE AND SHELBY. IN EAST 
 CENTRAL ILLINOIS...CLARK...COLES...CUMBERLAND...DOUGLAS AND 
 EDGAR. IN SOUTHEAST ILLINOIS...CLAY...CRAWFORD...EFFINGHAM...
 JASPER...LAWRENCE AND RICHLAND.

* FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON

* WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
  WILL DEVELOP THURSDAY SOUTH OF I-72 AND DIMINISH FROM NORTHWEST
  TO SOUTHEAST FRIDAY AFTERNOON. BETWEEN 2 AND 4 INCHES OF RAIN IS
  LIKELY SOUTH OF I-72 BY FRIDAY AFTERNOON... WITH LOCALLY HIGHER
  AMOUNTS OF 4 TO 5 INCHES FROM I-70 SOUTH. THE HEAVIEST RAIN
  SHOULD FALL DURING THURSDAY NIGHT ACROSS SOUTHEAST ILLINOIS.
  THIS HEAVY RAIN COULD LEAD TO FLASH FLOODING ESPECIALLY IN LOW
  LYING AND POOR DRAINAGE AREAS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
000 
WGUS63 KILX 072040
FFAILX

FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
340 PM CDT WED OCT 7 2009

...FLASH FLOOD WATCH SOUTH OF I-72 THURSDAY THROUGH FRIDAY
MORNING...

.WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
WILL DEVELOP THURSDAY AND GRADUALLY DIMINISH FRIDAY AFTERNOON.
BETWEEN 2 AND 4 INCHES OF RAIN IS LIKELY BY NOON FRIDAY SOUTH OF
I-72 WITH LOCALLY HIGHER AMOUNTS FROM I-70 SOUTH. THIS COULD LEAD
TO FLASH FLOODING.

ILZ052-054>057-061>063-066>068-071>073-080400-
/O.CON.KILX.FF.A.0009.091008T1200Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHRISTIAN-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...TAYLORVILLE...CHARLESTON...MATTOON...
SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE
340 PM CDT WED OCT 7 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND 
 SOUTHEAST ILLINOIS...INCLUDING THE FOLLOWING AREAS...IN 
 CENTRAL ILLINOIS...CHRISTIAN...MOULTRIE AND SHELBY. IN EAST 
 CENTRAL ILLINOIS...CLARK...COLES...CUMBERLAND...DOUGLAS AND 
 EDGAR. IN SOUTHEAST ILLINOIS...CLAY...CRAWFORD...EFFINGHAM...
 JASPER...LAWRENCE AND RICHLAND.

* FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON

* WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY 
 RAINS WILL DEVELOP THURSDAY SOUTH OF I-72 AND DIMINISH FROM 
 NORTHWEST TO SOUTHEAST FRIDAY AFTERNOON. BETWEEN 2 AND 4 
 INCHES OF RAIN IS LIKELY SOUTH OF I-72 BY FRIDAY AFTERNOON... 
 WITH LOCALLY HIGHER AMOUNTS OF 4 TO 5 INCHES FROM I-70 SOUTH. 
 THE HEAVIEST RAIN SHOULD FALL DURING THURSDAY NIGHT ACROSS 
 SOUTHEAST ILLINOIS. THIS HEAVY RAIN COULD LEAD TO FLASH 
 FLOODING ESPECIALLY IN LOW LYING AND POOR DRAINAGE AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
000 
WGUS63 KILX 080314
FFAILX

FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
1014 PM CDT WED OCT 7 2009

...FLASH FLOOD WATCH SOUTH OF I-72 THURSDAY THROUGH FRIDAY
MORNING...

.WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
WILL DEVELOP THURSDAY MORNING AND GRADUALLY DIMINISH ON FRIDAY.
BETWEEN 2 AND 4 INCHES OF RAIN IS LIKELY BY NOON FRIDAY SOUTH OF
I-72 WITH LOCALLY HIGHER AMOUNTS FROM I-70 SOUTH. THIS COULD LEAD
TO FLASH FLOODING.

ILZ052-054>057-061>063-066>068-071>073-080915-
/O.CON.KILX.FF.A.0009.091008T1200Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHRISTIAN-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...TAYLORVILLE...CHARLESTON...MATTOON...
SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE
1014 PM CDT WED OCT 7 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 AM CDT THURSDAY
THROUGH FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND 
 SOUTHEAST ILLINOIS...INCLUDING THE FOLLOWING AREAS...IN 
 CENTRAL ILLINOIS...CHRISTIAN...MOULTRIE AND SHELBY. IN EAST 
 CENTRAL ILLINOIS...CLARK...COLES...CUMBERLAND...DOUGLAS AND 
 EDGAR. IN SOUTHEAST ILLINOIS...CLAY...CRAWFORD...EFFINGHAM...
 JASPER...LAWRENCE AND RICHLAND.

* FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON

* WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
  WILL DEVELOP THURSDAY MORNING SOUTH OF I-72 AND DIMINISH FROM
  NORTHWEST TO SOUTHEAST FRIDAY AFTERNOON. BETWEEN 2 AND 4 INCHES
  OF RAIN IS LIKELY SOUTH OF I-72 BY FRIDAY AFTERNOON... WITH
  LOCALLY HIGHER AMOUNTS SOUTH OF I-70. THE HEAVIEST RAIN SHOULD
  FALL DURING THURSDAY NIGHT ACROSS SOUTHEAST ILLINOIS. THIS HEAVY
  RAIN COULD LEAD TO FLASH FLOODING ESPECIALLY IN LOW LYING AND
  POOR DRAINAGE AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
000 
WGUS63 KILX 080821
FFAILX

FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
321 AM CDT THU OCT 8 2009

...FLASH FLOOD WATCH SOUTH OF I-72 TODAY THROUGH MID DAY FRIDAY...

.WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
WILL DEVELOP THIS MORNING AND GRADUALLY DIMINISH ON FRIDAY. BETWEEN
2 AND 4 INCHES OF RAIN IS LIKELY BY NOON FRIDAY SOUTH OF I-72 WITH
LOCALLY HIGHER AMOUNTS FROM I-70 SOUTH. THIS COULD LEAD TO FLASH
FLOODING.

ILZ052-054>057-061>063-066>068-071>073-081700-
/O.CON.KILX.FF.A.0009.091008T1200Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHRISTIAN-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...TAYLORVILLE...CHARLESTON...MATTOON...
SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE
321 AM CDT THU OCT 8 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 AM CDT THIS MORNING
THROUGH FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND 
 SOUTHEAST ILLINOIS...INCLUDING THE FOLLOWING AREAS...IN 
 CENTRAL ILLINOIS...CHRISTIAN...MOULTRIE AND SHELBY. IN EAST 
 CENTRAL ILLINOIS...CLARK...COLES...CUMBERLAND...DOUGLAS AND 
 EDGAR. IN SOUTHEAST ILLINOIS...CLAY...CRAWFORD...EFFINGHAM...
 JASPER...LAWRENCE AND RICHLAND.

* FROM 7 AM CDT THIS MORNING THROUGH FRIDAY AFTERNOON

* WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
  WILL DEVELOP THIS MORNING...AND DIMINISH FROM NORTHWEST TO
  SOUTHEAST BY FRIDAY AFTERNOON. TOTAL RAIN AMOUNTS BETWEEN 2 AND
  4 INCHES ARE LIKELY SOUTH OF I-72... WITH LOCALLY HIGHER AMOUNTS
  SOUTH OF I-70. THE HEAVIEST RAIN SHOULD FALL DURING THURSDAY
  NIGHT ACROSS SOUTHEAST ILLINOIS. THIS HEAVY RAIN COULD LEAD TO
  FLASH FLOODING...ESPECIALLY IN LOW LYING AND POOR DRAINAGE AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

SHIMON/HUETTL
000 
WGUS63 KILX 081552
FFAILX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
1052 AM CDT THU OCT 8 2009

...FLASH FLOOD WATCH SOUTH OF I-72 TODAY THROUGH MID DAY FRIDAY...

.WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
WILL CONTINUE THIS MORNING AND GRADUALLY DIMINISH ON FRIDAY. BETWEEN 3
AND 4 INCHES OF RAIN IS LIKELY BY NOON FRIDAY SOUTH OF I-72 WITH
LOCALLY HIGHER AMOUNTS FROM I-70 SOUTH. THIS COULD LEAD TO FLASH
FLOODING.

ILZ044>046-053-082200-
/O.EXA.KILX.FF.A.0009.000000T0000Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIATT-CHAMPAIGN-VERMILION-MACON-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...DECATUR
1052 AM CDT THU OCT 8 2009

...FLASH FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF CENTRAL ILLINOIS AND 
 EAST CENTRAL ILLINOIS...INCLUDING THE FOLLOWING AREAS...IN 
 CENTRAL ILLINOIS...MACON AND PIATT. IN EAST CENTRAL ILLINOIS...
 CHAMPAIGN AND VERMILION.

* THROUGH FRIDAY AFTERNOON

* WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY 
 RAINS WILL DEVELOP THIS MORNING...AND DIMINISH FROM NORTHWEST 
 TO SOUTHEAST BY FRIDAY AFTERNOON. TOTAL RAIN AMOUNTS BETWEEN 2 
 AND 4 INCHES ARE LIKELY SOUTH OF I-72... WITH LOCALLY HIGHER 
 AMOUNTS SOUTH OF I-70. THE HEAVIEST RAIN SHOULD FALL DURING 
 THURSDAY NIGHT ACROSS SOUTHEAST ILLINOIS. THIS HEAVY RAIN 
 COULD LEAD TO FLASH FLOODING...ESPECIALLY IN LOW LYING AND 
 POOR DRAINAGE AREAS. 

* SOME AREAS IN EXCESS OF 2 INCHES HAVE ALREADY FALLEN THIS
  MORNING IN FAR SOUTHEASTERN VERMILION AND NORTHEASTERN EDGAR AS
  ENHANCED CONVECTION MOVED THROUGH THE REGION. AREAS THAT SEE
  SOME THUNDER ARE AT AN INCREASED RISK FOR FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

ILZ052-054>057-061>063-066>068-071>073-082200-
/O.CON.KILX.FF.A.0009.000000T0000Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHRISTIAN-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...TAYLORVILLE...CHARLESTON...MATTOON...
SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE
1052 AM CDT THU OCT 8 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND 
 SOUTHEAST ILLINOIS...INCLUDING THE FOLLOWING AREAS...IN 
 CENTRAL ILLINOIS...CHRISTIAN...MOULTRIE AND SHELBY. IN EAST 
 CENTRAL ILLINOIS...CLARK...COLES...CUMBERLAND...DOUGLAS AND 
 EDGAR. IN SOUTHEAST ILLINOIS...CLAY...CRAWFORD...EFFINGHAM...
 JASPER...LAWRENCE AND RICHLAND.

* THROUGH FRIDAY AFTERNOON

* WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY 
 RAINS WILL DEVELOP THIS MORNING...AND DIMINISH FROM NORTHWEST 
 TO SOUTHEAST BY FRIDAY AFTERNOON. TOTAL RAIN AMOUNTS BETWEEN 2 
 AND 4 INCHES ARE LIKELY SOUTH OF I-72... WITH LOCALLY HIGHER 
 AMOUNTS SOUTH OF I-70. THE HEAVIEST RAIN SHOULD FALL DURING 
 THURSDAY NIGHT ACROSS SOUTHEAST ILLINOIS. THIS HEAVY RAIN 
 COULD LEAD TO FLASH FLOODING...ESPECIALLY IN LOW LYING AND 
 POOR DRAINAGE AREAS. 

* SOME AREAS IN EXCESS OF 2 INCHES HAVE ALREADY FALLEN THIS
  MORNING IN FAR SOUTHEASTERN VERMILION AND NORTHEASTERN EDGAR AS
  ENHANCED CONVECTION MOVED THROUGH THE REGION. AREAS THAT SEE
  SOME THUNDER ARE AT AN INCREASED RISK FOR FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
000 
WGUS63 KILX 082005
FFAILX

FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
305 PM CDT THU OCT 8 2009

...FLASH FLOOD WATCH CONTINUES SOUTH OF I-72 TONIGHT THROUGH
FRIDAY AFTERNOON...

.WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
WILL CONTINUE TONIGHT AND GRADUALLY DIMINISH ON FRIDAY. ADDITIONAL
RAINFALL OF BETWEEN 2 AND 4 INCHES IS LIKELY BY NOON FRIDAY SOUTH
OF I-72 WITH LOCALLY HIGHER AMOUNTS. STORM TOTAL RAINFALL OF BETWEEN
6 TO 7 INCHES WILL BE POSSIBLE FROM I-70 SOUTH. 

ILZ044>046-052>057-061>063-066>068-071>073-090200-
/O.CON.KILX.FF.A.0009.000000T0000Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
305 PM CDT THU OCT 8 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND 
  SOUTHEAST ILLINOIS...INCLUDING THE FOLLOWING AREAS...IN 
  CENTRAL ILLINOIS...CHRISTIAN...MACON...MOULTRIE...PIATT AND 
  SHELBY. IN EAST CENTRAL ILLINOIS...CHAMPAIGN...CLARK...COLES...
  CUMBERLAND...DOUGLAS...EDGAR AND VERMILION. IN SOUTHEAST 
  ILLINOIS...CLAY...CRAWFORD...EFFINGHAM...JASPER...LAWRENCE AND 
  RICHLAND.

* THROUGH FRIDAY AFTERNOON

* WIDESPREAD SHOWERS AND SCATTERED THUNDERSTORMS WITH HEAVY RAINS
  WILL CONTINUE TO MOVE ACROSS THE AREA TONIGHT THROUGH FRIDAY
  MORNING... AND THEN DIMINISH FROM NORTHWEST TO SOUTHEAST BY
  FRIDAY AFTERNOON. ADDITIONAL RAINFALL BETWEEN 1 AND 3 INCHES ARE
  LIKELY SOUTH OF I-72...WITH LOCALLY HIGHER AMOUNTS ALONG AND
  SOUTH OF I-70. A FEW LOCATIONS MAY SEE 6 TO 7 INCHES OF TOTAL
  RAINFALL FROM THIS STORM SYSTEM...ESPECIALLY ALONG THE
  INTERSTATE 70 CORRIDOR. THE HEAVIEST RAIN SHOULD FALL TONIGHT
  ACROSS SOUTHEAST ILLINOIS AS ANOTHER WAVE OF LOW PRESSURE MOVES
  OUT OF THE SOUTHERN PLAINS. THIS EXCESSIVE RAINFALL WILL LEAD TO
  FLASH FLOODING...ESPECIALLY IN LOW LYING AND POOR DRAINAGE
  AREAS.

* SOME AREAS IN EXCESS OF 3 INCHES HAVE ALREADY FALLEN THROUGH
  EARLY THIS AFTERNOON IN FAR SOUTHEASTERN VERMILION...NORTHEASTERN
  EDGAR AND EFFINGHAM COUNTIES. AREAS THAT SEE THUNDERSTORMS ARE
  AT AN INCREASED RISK FOR FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
SMITH
000 
WGUS63 KILX 090148
FFAILX

FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
848 PM CDT THU OCT 8 2009

...FLASH FLOOD WATCH CONTINUES SOUTH OF I-72 TONIGHT THROUGH
FRIDAY AFTERNOON...

.WIDESPREAD SHOWERS AND ISOLATED THUNDERSTORMS WITH MODERATE TO
HEAVY RAIN WILL CONTINUE TONIGHT AND GRADUALLY DIMINISH ON FRIDAY.
STORM TOTAL RAINFALL OF BETWEEN 3 TO 5 INCHES WILL BE POSSIBLE
FROM I-70 SOUTH.

ILZ044>046-052>057-061>063-066>068-071>073-091000-
/O.CON.KILX.FF.A.0009.000000T0000Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
848 PM CDT THU OCT 8 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND 
 SOUTHEAST ILLINOIS...INCLUDING THE FOLLOWING AREAS...IN 
 CENTRAL ILLINOIS...CHRISTIAN...MACON...MOULTRIE...PIATT AND 
 SHELBY. IN EAST CENTRAL ILLINOIS...CHAMPAIGN...CLARK...COLES...
 CUMBERLAND...DOUGLAS...EDGAR AND VERMILION. IN SOUTHEAST 
 ILLINOIS...CLAY...CRAWFORD...EFFINGHAM...JASPER...LAWRENCE AND 
 RICHLAND.

* THROUGH FRIDAY AFTERNOON

* WIDESPREAD SHOWERS AND ISOLATED THUNDERSTORMS WITH MODERATE TO
  HEAVY RAIN WILL CONTINUE TO MOVE ACROSS THE AREA TONIGHT THROUGH
  FRIDAY MORNING... AND THEN DIMINISH FROM NORTHWEST TO SOUTHEAST
  BY FRIDAY AFTERNOON. ADDITIONAL RAINFALL TOTALS BETWEEN 1 AND 2
  INCHES ARE LIKELY SOUTH OF I-72...WITH LOCALLY HIGHER AMOUNTS
  ALONG AND SOUTH OF I-70. A FEW LOCATIONS MAY SEE 3 TO 5 INCHES
  OF TOTAL RAINFALL FROM THIS STORM SYSTEM...ESPECIALLY ALONG THE
  INTERSTATE 70 CORRIDOR. THE HEAVIEST RAIN SHOULD FALL TONIGHT
  ACROSS SOUTHEAST ILLINOIS AS ANOTHER WAVE OF LOW PRESSURE MOVES
  OUT OF THE SOUTHERN PLAINS. THIS EXCESSIVE RAINFALL MAY LEAD TO
  FLASH FLOODING...ESPECIALLY IN LOW LYING AND POOR DRAINAGE
  AREAS.

* SOME AREAS IN EXCESS OF 3 INCHES HAVE ALREADY FALLEN THROUGH
  EARLY EVENING IN FAR SOUTHEASTERN VERMILION... NORTHEASTERN
  EDGAR AND EFFINGHAM COUNTIES. AREAS THAT SEE THUNDERSTORMS ARE
  AT AN INCREASED RISK FOR FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$
000 
WGUS63 KILX 090849
FFAILX

FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
349 AM CDT FRI OCT 9 2009

...FLASH FLOOD WATCH CONTINUES SOUTH OF I-72 THROUGH THIS
AFTERNOON...

.WIDESPREAD SHOWERS AND ISOLATED THUNDERSTORMS WITH MODERATE TO
HEAVY RAIN WILL CONTINUE THIS MORNING AND GRADUALLY DIMINISH BY
THIS AFTERNOON. STORM TOTAL RAINFALL OF BETWEEN 3 TO 5 INCHES ARE
EXPECTED...ESPECIALLY FROM I-70 SOUTH.

ILZ044>046-052>057-061>063-066>068-071>073-091800-
/O.CON.KILX.FF.A.0009.000000T0000Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
349 AM CDT FRI OCT 9 2009

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL ILLINOIS...EAST CENTRAL ILLINOIS AND 
 SOUTHEAST ILLINOIS...INCLUDING THE FOLLOWING AREAS...IN 
 CENTRAL ILLINOIS...CHRISTIAN...MACON...MOULTRIE...PIATT AND 
 SHELBY. IN EAST CENTRAL ILLINOIS...CHAMPAIGN...CLARK...COLES...
 CUMBERLAND...DOUGLAS...EDGAR AND VERMILION. IN SOUTHEAST 
 ILLINOIS...CLAY...CRAWFORD...EFFINGHAM...JASPER...LAWRENCE AND 
 RICHLAND.

* UNTIL 1 PM CDT THIS AFTERNOON

* WIDESPREAD SHOWERS AND ISOLATED THUNDERSTORMS WITH MODERATE TO
  HEAVY RAIN WILL CONTINUE TO MOVE ACROSS THE AREA THIS MORNING...
  AND THEN DIMINISH FROM NORTHWEST TO SOUTHEAST BY THIS AFTERNOON.
  ADDITIONAL RAINFALL TOTALS BETWEEN ONE HALF AND 1 INCH ARE
  LIKELY. A FEW LOCATIONS MAY SEE 4 TO 5 INCHES OF TOTAL RAINFALL
  FROM THIS STORM SYSTEM... ESPECIALLY ALONG THE INTERSTATE 70
  CORRIDOR. THIS EXCESSIVE RAINFALL MAY LEAD TO FLASH
  FLOODING...ESPECIALLY IN LOW LYING AND POOR DRAINAGE AREAS.

* SOME AREAS HAVE RECEIVED 3 TO 4 INCHES ALREADY THROUGH EARLY
  THIS MORNING...INCLUDING SOUTHEASTERN VERMILION COUNTY...SOUTH
  TO CRAWFORD COUNTY...AND WEST TO EFFINGHAM AND CLAY COUNTIES.
  AREAS THAT SEE THUNDERSTORMS ARE AT AN INCREASED RISK FOR FLASH
  FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

SHIMON
000 
WGUS63 KILX 091747
FFAILX

FLOOD WATCH
NATIONAL WEATHER SERVICE LINCOLN IL
1247 PM CDT FRI OCT 9 2009


ILZ044>046-052>057-061>063-066>068-071>073-091900-
/O.EXP.KILX.FF.A.0009.000000T0000Z-091009T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
1247 PM CDT FRI OCT 9 2009

...FLASH FLOOD WATCH WILL EXPIRE AT 1 PM CDT THIS AFTERNOON...

THE FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL ILLINOIS...EAST
CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS WILL EXPIRE AT 1 PM CDT
THIS AFTERNOON. THE HEAVIEST OF THE RAINFALL IS MOVING SOUTH OF
THE WARNED AREA. THOUGH LIGHT SHOWERS AND DRIZZLE ARE LIKELY TO
CONTINUE INTO THE EARLY EVENING HOURS...THE RAINFALL RATES HAVE
REDUCED CONSIDERABLY. WIDESPREAD AMOUNTS FROM 2 TO 4 INCHES WERE
REPORTED SOUTH OF INTERSTATE 72 FROM RAINFALL YESTERDAY AND THIS MORNING.

$$

What forecasters said that day

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

NWS Lincoln, IL wrote its last area forecast discussion before this flash flood watch went out at Oct 7, 3:31 AM CDT, 12 minutes earlier.

Area forecast discussion, Oct 7, 3:31 AM CDT, 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
331 AM CDT WED OCT 7 2009

.DISCUSSION...
ISSUED 330 AM CDT WED OCT 7 2009

FORECAST CONCERN IS HEAVY RAIN THREAT THU INTO FRI ESPECIALLY
SOUTH OF I-72 AND IF FLASH FLOOD WATCH IS NEEDED. THEN LOOKING AT
MUCH COLDER AIR FILTERING INTO IL THIS WEEKEND DUE TO LARGE UPPER
LEVEL TROF DIGGING INTO THE MIDWEST. 00Z SHORT RANGE MODELS ARE IN
FAIR AGREEMENT AND LOOKS LIKE AN EXTENDED PERIOD OF HEAVY RAIN
OVER THE SOUTHERN HALF OF IL THU INTO FRI WHERE SEVERAL INCHES OF
RAIN LIKELY. GFS CONTINUES TO BE A BIT FURTHER NORTH WITH HEAVY
RAIN AXIS INTO CENTRAL IL ALONG I-72 BUT PREFER THE FURTHER SOUTH
NAM AND ECMWF MODELS WITH HEAVY RAIN AXIS ALONG I-70.

SHORT TERM...TODAY THROUGH FRIDAY NIGHT

08Z/3 AM SURFACE MAP SHOWS STRONG 987 MB LOW PRESSURE OVER NE LAKE
HURON WITH ITS COLD FRONT WELL SE OF IL OVER WV AND SE TN WITH
CONVECTION OVER THE NORTHERN GULF COAST STATES. 1019 MB HIGH
PRESSURE WAS OVER OK AND RIDGING NORTHWARD INTO MN. PRESSURE
GRADIENT HAS BEEN GRADUALLY RELAXING OVER IL WITH WEST WINDS
DIMINISHING. PATCHES OF LOW CLOUDS NORTH OF I-70 WHILE CLEAR SKIES
OVER SOUTHERN IL SOUTH OF I-70. TEMPERATURES WERE IN THE UPPER 40S
TO NEAR 50F. ALOFT A STRONG 532 DM 500 MB LOW WAS NEAR ALPENA IN
NE LOWER MI WHILE A 562 DM 500 MB LOW WAS OVER SOUTHERN CA.

1020 MB HIGH PRESSURE DRIFTS EAST INTO THE MID/LOWER MS VALLEY BY
18Z/1 PM AND INTO KY/TN BY SUNSET AS UPPER LEVEL HEIGHTS RISE OVER
IL TODAY. THIS HIGH PRESSURE SHOULD BRING A NICE EARLY FALL DAY TO
CENTRAL/SE IL WITH MOSTLY SUNNY SKIES AND LIGHTER WINDS. HIGHS IN
THE LOW TO MID 60S WHICH IS STILL BELOW NORMAL HIGHS IN THE UPPER
60S FROM I-74 NORTH AND LOWER 70S SOUTH.

CLOUDS WILL INCREASE FROM THE SW TONIGHT WITH MID/HIGH CLOUDS
INCREASING TONIGHT AND LOWER CLOUDS INCREASING OVERNIGHT. CHANCES
OF SHOWERS AND THUNDERSTORMS LATE TONIGHT WEST OF I-57 WITH BEST
CHANCES FROM SPRINGFIELD SW WHERE LIKELY POPS AROUND JACKSONVILLE.
THIS DUE TO DEVELOP LOW PRESSURE IN EASTERN CO THAT MOVES TO THE
OK PANHANDLE BY SUNRISE THU AND MOVES NE ALONG A FRONTAL BOUNDARY
TOWARD SOUTHERN IL BY SUNRISE FRI. WILL SEE WIDESPREAD SHOWERS AND
FEW THUNDERSTORMS SPREAD NE ACROSS CENTRAL/SE IL THU WITH HEAVY
RAINS DEVELOPING BY THU AFTERNOON SOUTH OF I-72 AND CONTINUE THU
NIGHT. PRECIPITABLE WATER VALUES PEAK THU NIGHT FROM 1 TO 1.5
INCHES NORTH OF PEORIA TO 1.75 TO 2.25 INCHES SOUTH OF I-72 WITH
HIGHEST AMOUNTS SOUTH OF I-70. WILL SEE 2 TO 4 INCHES OF RAIN
SOUTH OF I-72 WITH 1 TO 2 INCHES NORTH. RAINS SHOULD GRADUALLY
SHIFT SE DURING THE DAY FRI WITH SE IL STILL HAVING HEAVY RAIN
CHANCES FRI MORNING. MOST AREAS SHOULD BE DRY FRI NIGHT AS LOW
PRESSURE LIFTS NE OF IL AND PUSHES FRONTAL BOUNDARY INTO THE SE
STATES. COOLED HIGHS NORTH OF I-70 THU/FRI WHICH STAY NORTH OF THE
FRONTAL BOUNDARY AND MET/MAV ONLY IN THE MID/UPPER 50S.

ISSUED FLASH FLOOD WATCH THU INTO FRI MORNING SOUTH OF I-72.

HUETTL

LONG TERM...SATURDAY THROUGH TUESDAY.

UNSEASONABLY COLD HIGH PRESSURE WILL BUILD EASTWARD FROM THE UPPER
PLAINS ON SATURDAY...WHICH WILL PROVIDE A DRY AND MOSTLY SUNNY DAY.
THE COLDEST AIR WILL GRADUALLY ARRIVE AS THE WEEKEND PROGRESSES...SO
HIGHS ON SATURDAY SHOULD STILL REACH INTO THE LOW 50S TO NEAR 60.
HOWEVER...AS THE H85 TEMPS DIP TO AROUND -2C TO -4C BY 12Z
SUNDAY...OUR NORTHERN CWA WILL LIKELY SEE TEMPS DIP BELOW FREEZING
FOR THE FIRST TIME. A FROST/FREEZE HEADLINE MAY BE NEEDED FOR LATE
SATURDAY NIGHT/SUNDAY MORNING IF THOSE CONDITIONS CONTINUE TO BE
EXPECTED.

HIGHS ON SUNDAY WILL BE A FEW DEGREES COLDER THAN SATURDAY...WITH
HIGHS IN THE MID 40S NORTH...AND MID 50S SOUTH. INCREASING CLOUD
COVER WILL ALSO WORK TO KEEP TEMPS COOLER...AS A WEAK IMPULSE LIFTS
NORTHEAST OUT OF THE PLAINS. VIRGA WILL LIKELY SHOW UP ON RADAR ON
SUNDAY AFTERNOON...WITH A FEW SPRINKLES POSSIBLE. WILL KEEP THE
SLIGHT CHANCE POPS ON SUNDAY.

SUNDAY NIGHT...WE INCREASED POPS TO THE CHANCE CATEGORY NORTH OF
LINCOLN TO CMI...AS A QUICK PUSH OF WARM AIR ADVECTION IN THE
LOW-MID LEVELS PRODUCES A WAVE OF PRECIP. DUE TO THE DEPTH OF THE
COLD AIR...IT APPEARS SOME SNOW SHOWERS WILL BE POSSIBLE FOR
PIA/BMI/CMI SUNDAY NIGHT...MAINLY AFTER MIDNIGHT. THE MAIN PUSH OF
MEASURABLE PRECIP WILL BE SUNDAY EVENING...WITH DIMINISHING QPF
AMOUNTS AFTER MIDNIGHT. ANY SNOW THAT FALLS WOULD LIKELY MELT AS IT
FELL ON THE WARM GROUND. LOWS WILL DROP TO AROUND FREEZING NORTH.

SOME LINGERING SHOWERS WILL BE POSSIBLE EARLY MONDAY MORNING...SO WE
KEPT SOME SLIGHT CHC POPS IN THE SOUTHEAST. HOWEVER...MOST AREAS
WILL SEE DRY CONDITIONS ALL DAY ON MONDAY. H85 TEMPS WILL DIP TO -6C
AS A REINFORCING SHOT OF COLD AIR GETS PULLED INTO IL BEHIND THE
SUNDAY NIGHT SHORTWAVE. SO DESPITE SOME SUNSHINE ON MONDAY...HIGHS
WILL REMAIN CLOSE TO SUNDAYS READINGS.

A WARMING TREND WILL BEGIN ON TUESDAY...AS SW FLOW AND WAA AT H85
HELPS TEMPS REACH BACK INTO THE 50S FOR HIGHS.

SHIMON

&&

.AVIATION...
ISSUED 1131 PM CDT TUE OCT 6 2009

ASIDE FROM A FEW MORE HOURS OF GUSTY WEST NORTHWEST WINDS...QUIET
AVIATION WEATHER CONDITIONS ARE EXPECTED THROUGH THE 06Z TAF
PERIOD. SOME WRAP AROUND VFR CIGS WILL PERSIST INTO THE OVERNIGHT
HOURS IN THE WAKE OF TODAY/S COLD FRONT...BUT A FAIR AMOUNT OF SUN
IS EXPECTED WEDNESDAY AS HIGH PRESSURE BUILDS ACROSS THE REGION.
VFR LEVEL MID/HIGH CLOUD COVER WILL BEGIN TO RETURN WEDNESDAY
EVENING IN ADVANCE OF OUR NEXT STORM SYSTEM...BUT IT WILL BE VERY
HIGH BASED THROUGH 06Z. CONDITIONS ARE EXPECTED TO DETERIORATE
CONSIDERABLY ON THURSDAY...BUT THAT IS BEYOND THE VALID TIME OF
THIS FORECAST.

BAK

&&

.ILX WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH FROM THURSDAY MORNING THROUGH FRIDAY AFTERNOON
FOR ILZ052-054>057-061>063-066>068-071>073.

&&
Hazardous weather outlook, Oct 6, 3:22 PM CDT, 12 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
ISSUED BY NATIONAL WEATHER SERVICE CHICAGO IL
322 PM CDT TUE OCT 6 2009

ILZ027>031-036>038-040>057-061-072030-
CASS-CHAMPAIGN-CHRISTIAN-COLES-DE WITT-DOUGLAS-EDGAR-FULTON-KNOX-
LOGAN-MACON-MARSHALL-MASON-MCLEAN-MENARD-MORGAN-MOULTRIE-PEORIA-
PIATT-SANGAMON-SCHUYLER-SCOTT-SHELBY-STARK-TAZEWELL-VERMILION-
WOODFORD-
322 PM CDT TUE OCT 6 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS AND EAST CENTRAL ILLINOIS.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ANOTHER SYSTEM WILL AFFECT THE REGION LATE WEDNESDAY NIGHT THROUGH
FRIDAY EVENING...WITH THE POTENTIAL FOR SHOWERS AND THUNDERSTORMS.
THERE IS ALSO THE POTENTIAL FOR HEAVY RAINFALL ACROSS CENTRAL
ILLINOIS AS THIS SYSTEM WILL HAVE ABUNDANT MOISTURE AS IT SLOWLY
MOVES THROUGH THE AREA. REMAIN ALERT FOR UPDATES ON THE LOCATIONS
TO POSSIBLY OBSERVE HIGHER AMOUNTS OF RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

ILZ062-063-066>068-071>073-072030-
CLARK-CLAY-CRAWFORD-CUMBERLAND-EFFINGHAM-JASPER-LAWRENCE-RICHLAND-
322 PM CDT TUE OCT 6 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
ILLINOIS AND SOUTHEAST ILLINOIS.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ANOTHER SYSTEM WILL AFFECT THE REGION LATE WEDNESDAY NIGHT THROUGH
FRIDAY EVENING...WITH THE POTENTIAL FOR SHOWERS AND THUNDERSTORMS.
THERE IS ALSO THE POTENTIAL FOR HEAVY RAINFALL ACROSS CENTRAL
ILLINOIS AS THIS SYSTEM WILL HAVE ABUNDANT MOISTURE AS IT SLOWLY
MOVES THROUGH THE AREA. REMAIN ALERT FOR UPDATES ON THE LOCATIONS
TO POSSIBLY OBSERVE HIGHER AMOUNTS OF RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

WFO ILX

Nearby

Flash Flood Watches in Illinois, 2009Every flash flood watch in 2009

Sources

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