Alert archive / Indiana / Flash Flood Warnings in 2003

Flash Flood Warning 20, NWS Northern Indiana

July 6, 2003White County, Indiana

NWS Northern Indiana issued this flash flood warning at Jul 6, 2003, 5:45 PM EST for White County, Indiana. It was in force for 2 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
Jul 6, 2003, 5:45 PM EST (22:45 UTC)
Expired
Jul 6, 2003, 7:45 PM EST
In force
2 hr
Issued by
NWS Northern Indiana
Area
Counties, with a storm outline in the text

County White County, IN

The radar

The Northern Indiana radar (KIWX), 119 km from the middle of the area, began a volume at 22:49 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, 10.8 hours before the alert went out and 161 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 2003-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1041 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2003-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.1939Sfc1 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
1041 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KIWX 062252
FFWIWX
INC181-070145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
545 PM EST SUN JUL 6 2003

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WHITE COUNTY IN INDIANA

* UNTIL 845 PM EST

* AT 545 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SCATTERED THUNDERSTORMS OVER WHITE COUNTY. MORE THUNDERSTORMS WERE 
  DEVELOPING OVER NORTHWEST INDIANA AND NORTHEAST ILLINOIS...MOVING  
  EAST AT 30 MPH. SHERIFF REPORTED MANY COUNTY ROADS FLOODED WITH    
  RUNNING WATER 1 TO 4 FEET DEEP WITH THE WORST FLOODING FROM        
  CHALMERS TO BROOKSTON.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.

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

LAT...LON 4085 8700 4092 8699 4090 8664 4074 8658
          4074 8677 4059 8678 4057 8711 4084 8712
1 follow-up statement
000 
WGUS73 KIWX 070053
FFSIWX
INC181-070145-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
745 PM EST SUN JUL 6 2003

...FLASH FLOOD WARNING CONTINUES...

THE FLASH FLOOD WARNING CONTINUES FOR

  WHITE COUNTY IN INDIANA

UNTIL 845 PM EST...

AT 745 PM EST...RADAR INDICATED SEVERE THUNDERSTORMS OVER SOUTHERN 
WHITE COUNTY. RADAR ALSO INDICATES UP TO FOUR INCHES OF RAIN 
HAS ALREADY FALLEN OVER WHITE COUNTY THIS AFTERNOON AND THIS EVENING.
OTHER THUNDERSTORMS OVER EASTERN ILLINOIS SHOULD ALSO AFFECT WHITE 
COUNTY THIS EVENING. FLOODING HAS ALREADY BEEN REPORTED
ON THE LITTLE MONON CREEK NORTHEAST OF MONON. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 2:24 PM ESTSevere Thunderstorm WarningIWXPulaski66 min
Jul 6, 2:47 PM ESTFlash Flood WarningIWXWhite118 min
Jul 6, 2:50 PM ESTSevere Thunderstorm WarningIWXStarke55 min
Jul 6, 3:36 PM ESTSevere Thunderstorm WarningIWXCass, White54 min
Jul 6, 3:39 PM ESTSevere Thunderstorm WarningIWXSaint Joseph51 min
Jul 6, 4:00 PM ESTFlash Flood WarningIWXPulaski2 hr
Jul 6, 4:12 PM ESTSevere Thunderstorm WarningIWXWhitley63 min
Jul 6, 4:31 PM ESTSevere Thunderstorm WarningIWXPulaski, Starke59 min
Jul 6, 4:44 PM ESTSevere Thunderstorm WarningIWXHuntington46 min
Jul 6, 4:59 PM ESTFlash Flood WarningIWXStarke61 min
Jul 6, 5:15 PM ESTFlash Flood WarningIWXHuntington2 hr
Jul 6, 5:40 PM ESTFlash Flood WarningIWXAdams, Wells2 hr
Jul 6, 5:52 PM ESTSevere Thunderstorm WarningIWXAdams23 min
Jul 6, 6:59 PM ESTSevere Thunderstorm WarningIWXLaPorte46 min

Nearby

Flash Flood Warnings in Indiana, 2003Every flash flood warning in 2003

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.