Alert archive / Indiana / Flash Flood Warnings in 2012

Flash Flood Warning 1, NWS Northern Indiana

March 15, 2012Pulaski County, Starke County, Indiana

NWS Northern Indiana issued this flash flood warning at Mar 15, 2012, 7:20 PM EDT for Pulaski County, Starke County, Indiana. It was in force for 6 hr. 1 report 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
Mar 15, 2012, 7:20 PM EDT (23:20 UTC)
Expired
Mar 16, 2012, 1:00 AM EDT
In force
6 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Pulaski County, IN, Starke County, IN

The radar

The Northern Indiana radar (KIWX), 93 km from the middle of the area, began a volume at 23:21 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
Mar 15, 9:43 PM EDTFLASH FLOOD1 W North Judson, INREPORT OF WATER IN BASEMENT OF A HOME NEAR NORTH JUDSON

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, 11.3 hours before the alert went out and 194 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 2012-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1579 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 2012-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 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
1579 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
117 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.

012 
WGUS53 KIWX 152320
FFWIWX
INC131-149-160500-
/O.NEW.KIWX.FF.W.0001.120315T2320Z-120316T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
620 PM CDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN PULASKI COUNTY IN NORTHWEST INDIANA
  SOUTHERN STARKE COUNTY IN NORTHWEST INDIANA

* UNTIL 1200 AM CDT

* AT 616 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN FROM TRAINING THUNDERSTORMS ALONG A SAN PIERRE TO 
NORTH JUDSON LINE IN THE WARNED AREA. THIS LINE OF THUNDERSTORMS 
CONTINUES TO BACKBUILD TO THE WEST TOWARD WHEATFIELD AND WILL 
CONTINUE TO PRODUCE TORRENTIAL ACROSS SOUTHWEST AND SOUTHERN STARKE 
COUNTY INTO NORTHERN PULASKI COUNTY ALONG A CLARKS TO BEARDSTOWN 
LINE OVER THE NEXT HOUR.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINONA...
  TOTO...LOMAX...ENGLISH LAKE...NORTH JUDSON AND KNOX

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES 2 TO 3 INCHES OF 
RAIN HAD ALREADY FALLEN WITH ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 
INCHES POSSIBLE IN THE WARNED AREA OVER THE NEXT HOUR.

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
NORTHERN INDIANA.

&&

LAT...LON 4125 8692 4127 8688 4128 8684 4128 8681
      4131 8676 4130 8652 4112 8653 4116 8694
      4125 8694

$$
1 follow-up statement
940 
WGUS73 KIWX 160453
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1153 PM CDT THU MAR 15 2012

INC131-149-160502-
/O.EXP.KIWX.FF.W.0001.000000T0000Z-120316T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARKE IN-PULASKI IN-
1153 PM CDT THU MAR 15 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT MIDNIGHT CDT FOR NORTHERN
PULASKI AND SOUTHERN STARKE COUNTIES...

THUNDERSTORMS HAVE DIMINISHED ACROSS THE WARNING AREA. ADDITIONAL 
ISOLATED THUNDERSTORMS ARE EXPECTED TO REMAIN SOUTH AND EAST OF THE 
WARNING AREA THROUGH THE REMAINDER OF THE NIGHT. NO ADDITIONAL 
REPORTS OF FLOODING HAVE BEEN RECEIVED LATE THIS EVENING. 
THEREFORE...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 
MIDNIGHT CDT.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN 
NORTHERN INDIANA.

LAT...LON 4125 8692 4127 8688 4128 8684 4128 8681
      4131 8676 4130 8652 4112 8653 4116 8694
      4125 8694

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 15, 5:01 AM EDTSpecial Weather StatementIWXKosciusko44 min
Mar 15, 5:26 AM EDTSpecial Weather StatementIWXAllen, DeKalb, Noble, Whitley64 min
Mar 15, 6:25 AM EDTSpecial Weather StatementIWXWells50 min
Mar 15, 3:58 PM EDTSpecial Weather StatementIWXPulaski32 min
Mar 15, 5:21 PM EDTSpecial Weather StatementIWXPulaski39 min
Mar 15, 5:22 PM EDTSpecial Weather StatementIWXNoble23 min
Mar 15, 5:29 PM EDTSevere Thunderstorm WarningIWXFulton, Pulaski46 min
Mar 15, 5:51 PM EDTSevere Thunderstorm WarningIWXLaPorte, Starke54 min
Mar 15, 6:11 PM EDTSpecial Weather StatementIWXMiami34 min
Mar 15, 6:43 PM EDTSevere Thunderstorm WarningIWXPulaski, Starke47 min
Mar 15, 7:17 PM EDTSpecial Weather StatementIWXWabash43 min
Mar 15, 7:28 PM EDTSevere Thunderstorm WarningIWXSteuben47 min
Mar 15, 7:32 PM EDTSpecial Weather StatementIWXPulaski28 min

Nearby

Flash Flood Warnings in Indiana, 2012Every flash flood warning in 2012

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.