Alert archive / Illinois / Flash Flood Warnings in 2015

Flash Flood Warning 4, NWS Lincoln, IL

May 30, 2015Effingham County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 30, 2015, 4:16 PM CDT for Effingham County, Illinois. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 30, 2015, 4:16 PM CDT (21:16 UTC)
Expired
May 30, 2015, 10:15 PM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

County Effingham County, IL

The radar

The Evansville,IN radar (KVWX), 117 km from the middle of the area, began a volume at 21:20 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 12:00Z, 9.3 hours before the alert went out and 118 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 2015-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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 2015-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
6 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
30 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.

616 
WGUS53 KILX 302116
FFWILX
ILC049-310315-
/O.NEW.KILX.FF.W.0004.150530T2116Z-150531T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
416 PM CDT SAT MAY 30 2015

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 1015 PM CDT
    
* AT 415 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING   
  ADDITIONAL HEAVY RAIN ACROSS THE WARNED AREA. TWO TO THREE INCHES  
  OF RAIN HAS ALREADY FALLEN WITH AN ADDITIONAL ONE TO TWO INCHES 
  POSSIBLE OVER THE NEXT COUPLE OF HOURS WHICH WILL PRODUCE FLASH
  FLOODING IN THE WARNED AREA.  

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EFFINGHAM...ALTAMONT...TEUTOPOLIS...WATSON...DIETERICH...BEECHER
  CITY...EDGEWOOD...SHUMWAY...MONTROSE...MOCCASIN...MASON...LAKE
  SARA...ELLIOTSTOWN...HEARTVILLE...EFFINGHAM COUNTY AIRPORT AND
  ALTAMONT RESERVOIR.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 57 BETWEEN MILE MARKERS 144 AND 166.
 INTERSTATE 70 BETWEEN MILE MARKERS 80 AND 104.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

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

&&

LAT...LON 3892 8879 3920 8879 3921 8853 3919 8847
      3917 8847 3917 8837 3908 8836 3893 8838

$$

SMITH
1 follow-up statement
585 
WGUS73 KILX 310044
FFSILX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
744 PM CDT SAT MAY 30 2015

ILC049-310315-
/O.CON.KILX.FF.W.0004.000000T0000Z-150531T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EFFINGHAM IL-
744 PM CDT SAT MAY 30 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
EFFINGHAM COUNTY...

AT 741 PM CDT...DOPPLER RADAR INDICATED THAT THE INTESE RAINFALL 
THAT PRODUCED FLASH FLOODING OVER PARTS OF EFFINGHAM COUNTY THIS 
AFTERNOON HAS ENDED...HOWEVER...THE THREAT FOR FLASH FLOODING WILL 
CONTINUE THROUGH THE EVENING. RAINFALL TOTALED FROM 2 TO LOCALLY
3 INCHES OVER PARTS OF THE COUNTY THIS AFTERNOON...AND THAT IS
IN ADDITION TO THE RAINFALL RECEIVED OVER THE AREA DURING THE
PAST COUPLE OF DAYS. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EFFINGHAM...ALTAMONT...TEUTOPOLIS...WATSON...DIETERICH...BEECHER
CITY...EDGEWOOD...SHUMWAY...MONTROSE...MOCCASIN...MASON...LAKE
SARA...ELLIOTSTOWN...HEARTVILLE...EFFINGHAM COUNTY AIRPORT AND
ALTAMONT RESERVOIR.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 57 BETWEEN MILE MARKERS 144 AND 166.
 INTERSTATE 70 BETWEEN MILE MARKERS 80 AND 104.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3892 8879 3920 8879 3921 8853 3919 8847
      3917 8847 3917 8837 3908 8836 3893 8838

$$

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 12:14 PM CDTSevere Thunderstorm WarningILXClark, Crawford, Jasper31 min
May 30, 12:35 PM CDTSpecial Weather StatementILXCrawford25 min
May 30, 1:10 PM CDTSpecial Weather StatementILXClark20 min
May 30, 1:24 PM CDTSpecial Weather StatementILXEdgar36 min
May 30, 4:29 PM CDTSevere Thunderstorm WarningILXClark, Coles, Cumberland, Edgar31 min
May 30, 4:58 PM CDTSevere Thunderstorm WarningILXLawrence32 min
May 30, 5:13 PM CDTSpecial Weather StatementILXChampaign32 min
May 30, 5:14 PM CDTSevere Thunderstorm WarningILXEdgar46 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.