Alert archive / Illinois / Flash Flood Warnings in 2015

Flash Flood Warning 13, NWS St. Louis, MO

June 15, 2015Adams County, Illinois

NWS St. Louis, MO issued this flash flood warning at Jun 15, 2015, 7:07 PM CDT for Adams County, Illinois. It was in force for 6 hr. 6 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 15, 2015, 7:07 PM CDT (00:07 UTC)
Expired
Jun 16, 2015, 1:00 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

County Adams County, IL

The radar

The St Louis radar (KLSX), 145 km from the middle of the area, began a volume at 00:07 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 15, 7:52 PM CDTFLASH FLOOD1 S Golden, ILILLINOIS ROUTE 94 FLOODED AND IMPASSIBLE.
Jun 15, 7:52 PM CDTFLASH FLOODPaloma, ILU.S. ROUTE 24 AT THE PALOMA VIADUCT ARE FLOODED AND IMPASSIBLE.
Jun 15, 8:45 PM CDTHEAVY RAIN 51 Ne Coatsburg, ILLIGHT RAIN STILL FALLING.
Jun 15, 9:20 PM CDTFLASH FLOODBeverly, ILA FEW SMALL ROADS ARE IMPASSIBLE IN AND AROUND THE TOWN OF BEVERLY DUE TO FLOWING WATER OVER THEM.
Jun 15, 9:23 PM CDTFLASH FLOOD1 Ne Coatsburg, IL2000TH STREET JUST NORTHEAST OF COATSBURG IMPASSIBLE DUE TO ABOUT A FOOT AND A HALF OF SWIFTLY FLOWING WATER OVER THE ROADWAY.
Jun 15, 10:30 PM CDTFLASH FLOOD1 S Golden, ILILLINOIS ROUTE 94 STILL CLOSED DUE TO FLOODING. SOME SECONDARY ROADS HAVE BEEN WASHED OUT. US 24 IS BACK OPEN NOW. SEVERAL CARS WERE STUCK IN THE VIADUCTS WHEN THEY WERE FLOODED EARLIER THIS EVENING. NO INJURIES WITH THESE VEHICLES.

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

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.1 hours before the alert went out and 198 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, Davenport, at 00:00Z on 2015-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 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, Davenport, at 00:00Z on 2015-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -166 square meters per square second.19395878Sfc1 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
50 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-166 m²/s²
0-3 km storm-relative helicity
-5 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

773 
WGUS53 KLSX 160007
FFWLSX
ILC001-160600-
/O.NEW.KLSX.FF.W.0013.150616T0007Z-150616T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
707 PM CDT MON JUN 15 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ADAMS COUNTY IN WEST CENTRAL ILLINOIS...

* UNTIL 100 AM CDT

* AT 704 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA. UP TO TWO AND A HALF INCHES HAS FALLEN IN THE PAST 
  HOUR. WILL CONTINUE TO SEE HIGH RAINFALL RATES WITH THESE STORMS
  AS THEY KEEP TRAINING ACROSS THE SAME PORTION OF ADAMS COUNTY OVER
  THE NEXT SEVERAL HOURS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  QUINCY...BEVERLY...CAMP POINT...CLAYTON...FALL CREEK...GOLDEN...
  MENDON AND PAYSON.


THIS WARNING ALSO INCLUDES...
INTERSTATE 172 FROM EXIT 2 TO EXIT 19.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

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 3976 9093 3976 9132 3991 9142 3993 9142
      3996 9145 4019 9151 4019 9092

$$

BYRD
2 follow-up statements
137 
WGUS73 KLSX 160044
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
744 PM CDT MON JUN 15 2015

ILC001-160600-
/O.CON.KLSX.FF.W.0013.000000T0000Z-150616T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ADAMS IL-
744 PM CDT MON JUN 15 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR ADAMS COUNTY UNTIL 100
AM CDT...

AT 734 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUED TO SLOWLY 
MOVE EAST ACROSS NORTHERN ADAMS COUNTY. UP TO FIVE INCHES OF RAIN 
HAS FALLEN IN THE PAST HOUR AND A HALF...IN AN AREA FROM JUST SOUTH
OF MENDON EAST NORTHEASTWARD TO GOLDEN.

THIS LINE OF STORMS IS ALONG A VERY SLOW MOVING COLD FRONT. AS THIS 
LINE MOVES SOUTH ACROSS ADAMS COUNTY THIS EVENING...WILL SEE HEAVY 
RAINFALL MOVE SOUTH INTO THE QUINCY...COLUMBUS AND CLAYTON AREAS BY 
8PM...THEN INTO FAR SOUTHEASTERN ADAMS COUNTY BY 9 PM.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING 
INCLUDE...FOWLER...PALOMA...COATSBURG...CAMP POINT... 
GOLDEN...QUINCY...CLAYTON...BEVERLY...FALL CREEK...AND PAYSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE ALSO SUBJECT TO FLOODING.

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 3976 9093 3976 9132 3991 9142 3993 9142
      3996 9145 4019 9151 4019 9092

$$

BYRD
308 
WGUS73 KLSX 160238
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
938 PM CDT MON JUN 15 2015

ILC001-160600-
/O.CON.KLSX.FF.W.0013.000000T0000Z-150616T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ADAMS IL-
938 PM CDT MON JUN 15 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR ADAMS COUNTY UNTIL 100
AM CDT...

AT 929 PM CDT...EMERGENCY MANAGEMENT REPORTED THAT FLASH FLOODING WAS
OCCURRING IN NORTHERN PORTIONS OF ADAMS COUNTY AROUND PALOMA... 
COATSBURG...GOLDEN AND BEVERLY. NUMEROUS ROADS WERE FLOODED 
INCLUDING ILLINOIS ROUTE 94 AND US HIGHWAY 24 AS WELL AS SECONDARY 
ROADS. SOME ROADS HAD AT LEAST A FOOT OF FAST FLOWING WATER OVER 
THEM.

THE RAIN WILL CONTINUE TO TAPER OFF OVER THE NEXT HOUR WITH 
ADDITIONAL RAINFALL UNDER HALF AN INCH EXPECTED.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE... 
FOWLER...PALOMA...COATSBURG...CAMP POINT...GOLDEN...COLUMBUS... 
KINGSTON...AND BEVERLY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE ALSO SUBJECT TO FLOODING.

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.

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 3976 9093 3976 9132 3991 9142 3993 9142
      3996 9145 4019 9151 4019 9092

$$

BYRD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 12:59 AM CDTAreal Flood WarningLSXAdams10 hr
Jun 16, 1:38 AM CDTRiver Flood WarningLSXBrown7 days
Jun 16, 3:42 AM CDTFlash Flood WatchLSXBond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more4 days
Jun 16, 3:12 PM CDTAreal Flood AdvisoryLSXMadison, Monroe, Saint Clair6 hr
Jun 16, 3:47 PM CDTAreal Flood AdvisoryLSXMonroe, Randolph6 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.