Alert archive / Illinois / Flash Flood Warnings in 2015

Flash Flood Warning 32, NWS St. Louis, MO

June 25, 2015Calhoun County, Jersey County, Illinois; Lincoln County, Saint Charles County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 25, 2015, 6:32 PM CDT for Calhoun County, Jersey County, Illinois; Lincoln County, Saint Charles County, Missouri. It was in force for 14 hr. 5 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
Jun 25, 2015, 6:32 PM CDT (23:32 UTC)
Expired
Jun 26, 2015, 8:30 AM CDT
In force
14 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Calhoun County, IL, Jersey County, IL, Lincoln County, MO, Saint Charles County, MO

The radar

The St Louis radar (KLSX), 38 km from the middle of the area, began a volume at 23:33 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
Jun 25, 7:45 PM CDTFLASH FLOODMeppen, ILILLINOIS ROUTE 1 FLOODED TO 6 INCHES DEEP IN NUMEROUS SPOTS BETWEEN HARDIN AND BRUSSELS. MANY LOW SPOTS FLOODED AND NEARLY ALL SMALL CREEKS AND STREAMS OUT OF BANKS
Jun 25, 8:15 PM CDTFLASH FLOODWinfield, MOWATER OF UNKNOWN DEPTH FLOWING ACROSS ARGENTVILLE ROAD NORTHWEST OF WINFIELD...REPORT BASED ON PICTURE FROM SOCIAL MEDIA
Jun 25, 8:46 PM CDTFLASH FLOODWinfield, MOMHP TROOP C REPORTING SIGNFICANT FLOODING WITH WATER RESCUES IN LINCOLN COUNTY. WINFIELD APPEARS ONE OF THE WORST AREAS WITH HIGHWAY 79 IMPASSABLE NORTH OF HIGHWAY 47...SEVERAL CARS STUCK IN FLOOD WATERS
Jun 26, 5:00 AM CDTHEAVY RAIN 5Winfield, MOLOCK AND DAM25... 24 HOUR REPORT SENT AT 500AM... MOST FELL SINCE 4PM YESTERDAY AFTERNOON
Jun 26, 7:00 AM CDTHEAVY RAIN 3.114 Nne Orchard Farms, MO

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 12:00Z, 11.5 hours before the alert went out and 204 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 12:00Z on 2015-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2015-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 square meters per square second.193958Sfc1 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
2 J/kg
Mixed-layer CIN
-330 J/kg
Mixed-layer LCL
1898 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
237 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.

219 
WGUS53 KLSX 252332
FFWLSX
ILC013-083-MOC113-183-260530-
/O.NEW.KLSX.FF.W.0032.150625T2332Z-150626T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
632 PM CDT THU JUN 25 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
  NORTH CENTRAL ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHERN JERSEY COUNTY IN SOUTHWEST ILLINOIS...

* UNTIL 1230 AM CDT

* AT 628 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE 
  WARNED AREA. BETWEEN 1 TO 2 INCHES WITH LOCALLY HIGHER AMOUNTS HAS
  FALLEN IN THE PAST HOUR.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BATCHTOWN...MEPPEN...ELSAH...GRAFTON...ORCHARD FARMS...PORTAGE 
  DES SIOUX AND WINFIELD.



THIS WARNING INCLUDES PERE MARQUETTE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3902 9022 3900 9023 3900 9027 3895 9027
      3883 9037 3885 9060 3891 9081 3914 9077

$$

BYRD
3 follow-up statements
858 
WGUS73 KLSX 260146
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
846 PM CDT THU JUN 25 2015

ILC013-083-MOC113-183-260530-
/O.CON.KLSX.FF.W.0032.000000T0000Z-150626T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JERSEY IL-CALHOUN IL-LINCOLN MO-ST. CHARLES MO-
846 PM CDT THU JUN 25 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTH CENTRAL ST.
CHARLES...SOUTHEASTERN LINCOLN...CALHOUN AND SOUTHERN JERSEY COUNTIES
UNTIL 1230 AM CDT...

AT 842 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT 8 TO 9 
WATER RESCUES WERE ONGOING ACROSS THE COUNTY DUE TO FLOODED ROADS. 
THUNDERSTORMS WITH VERY HEAVY RAINFALL WILL PERSIST ACROSS THE 
WARNED AREA THROUGH 11 PM. UP TO 5 INCHES WITH LOCALLY HIGHER 
AMOUNTS HAS FALLEN OVER THE WARNED AREA SINCE 5 PM.

RUNOFF FROM THIS EXCESSIVE RAINFALL IS CAUSING FLASH FLOODING. SOME 
LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...BATCHTOWN... 
MEPPEN...BRUSSELS...ELSAH...GRAFTON...ORCHARD FARMS...PORTAGE DES 
SIOUX AND WINFIELD.

THIS WARNING INCLUDES PERE MARQUETTE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3902 9022 3900 9023 3900 9027 3895 9027
      3883 9037 3885 9060 3891 9081 3914 9077

$$

BYRD
046 
WGUS53 KLSX 260508
FFWLSX
ILC013-083-MOC113-183-261330-
/O.EXT.KLSX.FF.W.0032.000000T0000Z-150626T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1208 AM CDT FRI JUN 26 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
  NORTH CENTRAL ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHERN JERSEY COUNTY IN SOUTHWEST ILLINOIS...

* UNTIL 830 AM CDT

* AT 1202 AM CDT...RADAR INDICATED THAT THE RAINFALL OVER
  THE AREA HAD TEMPORARILY ENDED.  HOWEVER...HIGH WATER
  LEVELS CONTINUE DUE TO THE 4 TO 6 INCHES OF RAIN THAT
  HAMMERED SOUTHEAST LINCOLN...SOUTHWEST JERSEY...EXTREME
  NORTHERN ST CHARLES...AND CALHOUN COUNTIES EARLY THURSDAY EVENING. 
  IT ADDITION...IT APPEARS LIKELY THAT ADDITIONAL HEAVY RAIN WILL 
  BE DEVELOPING OVER THE WARNING AREA DURING THE PREDAWN 
  HOURS.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ELSAH...GRAFTON...ORCHARD FARMS...PORTAGE DES SIOUX AND WINFIELD.

THIS WARNING INCLUDES PERE MARQUETTE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 3902 9022 3900 9023 3900 9027 3895 9027
      3883 9037 3885 9060 3891 9081 3914 9077

$$

TRUETT
986 
WGUS73 KLSX 260741
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
241 AM CDT FRI JUN 26 2015

ILC013-083-MOC113-183-261330-
/O.CON.KLSX.FF.W.0032.000000T0000Z-150626T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JERSEY IL-CALHOUN IL-LINCOLN MO-ST. CHARLES MO-
241 AM CDT FRI JUN 26 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTH CENTRAL ST.
CHARLES...SOUTHEASTERN LINCOLN...CALHOUN AND SOUTHERN JERSEY COUNTIES
UNTIL 830 AM CDT...

AT 237 AM CDT...DOPPLER RADAR INDICATED THAT THE HEAVY RAIN HAD 
STOPPED FOR THE TIME BEING...BUT THE DEPARTMENT OF TRANSPORTATION 
CONTINUED TO REPORT MANY ROAD CLOSURES ACROSS THE WARNED AREA.  
ADDITIONALLY...RADAR ESTIMATED THAT 3 TO 5 INCHES OF RAIN HAD FALLEN 
ACROSS THE AREA EARLIER IN THE EVENING AND FLOODING CONTINUES TO BE 
A THREAT.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...ELSAH...
GRAFTON...ORCHARD FARMS...PORTAGE DES SIOUX AND WINFIELD.

THIS WARNING INCLUDES PERE MARQUETTE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3902 9022 3900 9023 3900 9027 3895 9027
      3883 9037 3885 9060 3891 9081 3914 9077

$$

CARNEY

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 7:43 PM CDTRiver Flood WarningLSXBrown9 days
Jun 24, 11:31 PM CDTFlash Flood WatchLSXAdams, Brown, Calhoun, Greene, Jersey, Pike7 hr
Jun 25, 4:06 AM CDTFlash Flood WatchLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more39 hr
Jun 25, 5:00 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey60 min
Jun 25, 5:51 PM CDTSevere Thunderstorm WarningLSXJersey, Madison, Saint Clair54 min
Jun 25, 5:56 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey19 min
Jun 24, 11:11 PM CDTSevere Thunderstorm WarningLSXKnox, Lewis64 min
Jun 25, 12:07 AM CDTSevere Thunderstorm WarningLSXKnox, Lewis, Marion, Shelby38 min
Jun 25, 1:09 AM CDTFlash Flood WarningLSXKnox, Lewis6 hr
Jun 25, 2:39 AM CDTFlash Flood WarningLSXMarion, Shelby7 hr
Jun 25, 3:20 AM CDTRiver Flood WarningLSXMarion52 hr
Jun 25, 7:03 AM CDTFlash Flood WarningLSXKnox, Lewis4 hr
Jun 25, 9:19 AM CDTRiver Flood WarningLSXMonroe62 hr
Jun 25, 9:26 AM CDTFlash Flood WarningLSXLewis, Marion, Shelby4 hr
Jun 25, 10:54 AM CDTFlash Flood WarningLSXKnox, Lewis4 hr
Jun 25, 1:28 PM CDTAreal Flood WarningLSXMarion, Shelby7 hr
Jun 25, 2:51 PM CDTAreal Flood WarningLSXKnox, Lewis6 hr
Jun 25, 3:21 PM CDTRiver Flood WarningLSXLincoln3 days
Jun 25, 6:54 PM CDTSevere Thunderstorm WarningLSXLincoln66 min

Nearby

Flash Flood Warnings in Illinois, 2015Flash Flood Warnings in Missouri, 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.