Alert archive / Illinois / Flash Flood Warnings in 2015

Flash Flood Warning 76, NWS Lincoln, IL

December 26, 20155 counties in Illinois

NWS Lincoln, IL issued this flash flood warning at Dec 26, 2015, 8:01 PM CST for 5 counties in Illinois. It was in force for 8 hr. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Dec 26, 2015, 8:01 PM CST (02:01 UTC)
Expired
Dec 27, 2015, 4:00 AM CST
In force
8 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties Christian County, IL, Effingham County, IL, Macon County, IL, Moultrie County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 99 km from the middle of the area, began a volume at 02:03 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.

What was reported inside it

TimeReportWhereRemark
Dec 26, 11:00 PM CSTHEAVY RAIN 4.22Shelbyville, ILSTORM TOTAL RAINFALL SO FAR...SWOP REPORT
Dec 26, 11:30 PM CSTHEAVY RAIN 4.1Sullivan, ILSTORM TOTAL RAINFALL SO FAR
Dec 27, 1:30 AM CSTHEAVY RAIN 4.965 Nw Nokomis, ILWATER ON ROADWAYS OVER USUAL SPOTS...ALSO OVER ROADS NOT USUALLY FLOODED. LAW ENFORCEMENT CLOSED SEVERAL HIGHWAYS...FIELDS ARE FLOODED...CREEKS AND DITCHES ARE AT BANKFULL. STILL RAINING.
Dec 27, 1:45 AM CSTHEAVY RAIN 4.4Morrisonville, ILMEASURED RAINFALL SINCE 7 AM SATURDAY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.0 hours before the alert went out and 97 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 2015-12-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2015-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 square meters per square second.1939587897Sfc1 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
455 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
78 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.

707 
WGUS53 KILX 270201
FFWILX
ILC021-049-115-139-173-271000-
/O.NEW.KILX.FF.W.0076.151227T0201Z-151227T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
801 PM CST SAT DEC 26 2015

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MOULTRIE COUNTY IN CENTRAL ILLINOIS...
  SOUTHEASTERN MACON COUNTY IN CENTRAL ILLINOIS...
  NORTHWESTERN EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...
  CHRISTIAN COUNTY IN CENTRAL ILLINOIS...
  SHELBY COUNTY IN CENTRAL ILLINOIS...

* UNTIL 400 AM CST SUNDAY
    
* AT 759 PM CST...DOPPLER RADAR INDICATED ADDITIONAL HEAVY RAINFALL
  ACROSS THE WARNED AREA. 1 TO 3 INCHES OF RAIN HAS ALREADY FALLEN
  WITH AN ADDITIONAL 1 TO 2 INCHES POSSIBLE OVERNIGHT. FLASH FLOODING
  IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EFFINGHAM...TAYLORVILLE...SHELBYVILLE...SULLIVAN...PANA...MOUNT
  ZION...ALTAMONT...ARTHUR...MOWEAQUA...KINCAID...BETHANY...
  ASSUMPTION...BLUE MOUND...MACON...LOVINGTON...MORRISONVILLE...
  STONINGTON...WINDSOR...STEWARDSON AND FINDLAY.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 57 BETWEEN MILE MARKERS 158 AND 170.
 INTERSTATE 70 BETWEEN MILE MARKERS 78 AND 98.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3900 8881 3922 8881 3922 8914 3935 8914
      3935 8952 3962 8950 3978 8885 3979 8848
      3916 8848 3898 8876

$$

SMITH
2 follow-up statements
854 
WGUS73 KILX 270744
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
144 AM CST SUN DEC 27 2015

ILC021-049-115-139-173-271000-
/O.CON.KILX.FF.W.0076.000000T0000Z-151227T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOULTRIE-MACON-EFFINGHAM-CHRISTIAN-SHELBY-
144 AM CST SUN DEC 27 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 AM CST SUNDAY
FOR MOULTRIE...SOUTHEASTERN MACON...NORTHWESTERN EFFINGHAM...
CHRISTIAN AND SHELBY COUNTIES...

AT 137 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO
SHOW A LARGE AREA OF RAIN WITH ISOLATED THUNDERSTORMS ACROSS THE
WARNED AREA. RAINFALL TOTALS HAVE RANGED FROM 2 TO 4 INCHES SO FAR
WITH THE POTENTIAL FOR ANOTHER ONE INCH BEFORE THE RAIN INTENSITY
DECREASES TOWARD MORNING. LOCAL LAW ENFORCEMENT OFFICIALS REPORTED
NUMEROUS ROADS WERE FLOODED ACROSS THE WARNED AREA EARLY THIS MORNING
ESPECIALLY ACROSS SHELBY AND CHRISTIAN COUNTIES DUE TO THE HEAVY 
RAINFALL. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EFFINGHAM...TAYLORVILLE...SHELBYVILLE...SULLIVAN...PANA...MOUNT
ZION...ALTAMONT...ARTHUR...MOWEAQUA...KINCAID...BETHANY...
ASSUMPTION...BLUE MOUND...MACON...LOVINGTON...MORRISONVILLE...
STONINGTON...WINDSOR...STEWARDSON AND FINDLAY.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 57 BETWEEN MILE MARKERS 158 AND 170.
 INTERSTATE 70 BETWEEN MILE MARKERS 78 AND 98.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES. 

&&

LAT...LON 3900 8881 3922 8881 3922 8914 3935 8914
      3935 8952 3962 8950 3978 8885 3979 8848
      3916 8848 3898 8876

$$

SMITH
783 
WGUS73 KILX 270958
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
358 AM CST SUN DEC 27 2015

ILC021-049-115-139-173-271002-
/O.EXP.KILX.FF.W.0076.000000T0000Z-151227T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOULTRIE-MACON-EFFINGHAM-CHRISTIAN-SHELBY-
358 AM CST SUN DEC 27 2015

...THE FLASH FLOOD WARNING FOR MOULTRIE...SOUTHEASTERN MACON...
NORTHWESTERN EFFINGHAM...CHRISTIAN AND SHELBY COUNTIES WILL EXPIRE AT
400 AM CST...

THE FLASH FLOOD WARNING HAS BEEN REPLACED WITH AN AREAL FLOOD
WARNING. LIGHT TO MODERATE RAIN WILL CONTINUE ACROSS THE AREA THIS
MORNING. FLOODING WILL CONTINUE ON AREA CREEKS AND STREAMS AND LOW
LYING ROADS. THIS FLOODING HAS RESULTED IN SEVERAL ROAD CLOSURES.
NEVER DRIVE THROUGH FLOOD WATERS! THE WATER MAY BE TOO DEEP TO DRIVE
THROUGH SAFELY! TURN AROUND DON'T DROWN!

LAT...LON 3900 8881 3922 8881 3922 8914 3935 8914
      3935 8952 3962 8950 3978 8885 3979 8848
      3916 8848 3898 8876

$$

SHIMON

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 26, 8:18 PM CSTRiver Flood WarningILXCrawford, Jasper9 days
Dec 26, 9:16 PM CSTRiver Flood WarningILXSangamon9 days
Dec 26, 9:16 PM CSTRiver Flood WarningILXMenard12 days
Dec 26, 9:16 PM CSTRiver Flood WarningILXCass, Mason, Menard12 days
Dec 26, 9:16 PM CSTRiver Flood WarningILXCass, Mason13 days
Dec 26, 9:21 PM CSTRiver Flood WarningILXMason, Menard6 days
Dec 26, 9:32 PM CSTRiver Flood WarningILXMarshall, Putnam22 days
Dec 26, 10:28 PM CSTFlash Flood WarningILXChampaign, Coles, Cumberland, Douglas, Edgar, Vermilion8 hr
Dec 26, 11:03 PM CSTRiver Flood WarningILXMcLean, Tazewell, Woodford5 days
Dec 27, 4:03 AM CSTAreal Flood WarningILXChristian, Effingham, Macon, Moultrie, Piatt, Sangamon and 1 more12 hr
Dec 27, 5:15 AM CSTAreal Flood WarningILXChampaign, Clark, Coles, Cumberland, Douglas, Edgar and 1 more12 hr
Dec 27, 10:41 AM CSTAreal Flood WarningILXEffingham6 hr
Dec 27, 3:15 PM CSTWind AdvisoryILXCass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more26 hr
Dec 27, 3:51 PM CSTAreal Flood WarningILXChampaign, Christian, Clark, Clay, Coles, Cumberland and 10 more24 hr
Dec 27, 4:09 PM CSTWinter Storm WarningILXKnox, McLean, Marshall, Peoria, Stark, Woodford26 hr
Dec 27, 4:09 PM CSTFreezing Rain AdvisoryILXFulton, McLean, Tazewell20 hr

Nearby

Flash Flood Warnings in Illinois, 2015Every flash flood warning in 2015

Sources

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