Alert archive / Indiana / Flash Flood Warnings in 2003

Flash Flood Warning 27, NWS Northern Indiana

July 21, 2003Allen County, Indiana

NWS Northern Indiana issued this flash flood warning at Jul 21, 2003, 4:30 AM EST for Allen County, Indiana. It was in force for 3 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 21, 2003, 4:30 AM EST (09:30 UTC)
Expired
Jul 21, 2003, 7:30 AM EST
In force
3 hr
Issued by
NWS Northern Indiana
Area
Counties, with a storm outline in the text

County Allen County, IN

The radar

The Northern Indiana radar (KIWX), 60 km from the middle of the area, began a volume at 09:32 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.5 hours before the alert went out and 213 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, Cncnati-Daytn, OH at 00:00Z on 2003-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 756 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, Cncnati-Daytn, OH at 00:00Z on 2003-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
756 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1300 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KIWX 210936
FFWIWX
INC003-211330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
430 AM EST MON JUL 21 2003

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

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

* UNTIL 830 AM EST

* AT 430 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS ALLEN COUNTY INDIANA 
EARLY THIS MORNING. SPY RUN CREEK IS EXPECTED TO CREST AT 10 FEET 
AROUND 7AM.  AT THIS STAGE FLOODING OCCURS IN FRANKE PARK... AND THE 
EASTBROOK AND WESTBROOK NEIGHBORHOODS. 

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

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

LAT...LON 4096 8521 4095 8535 4114 8535 4122 8501
          4126 8478 4097 8479
2 follow-up statements
000 
WGUS73 KIWX 211157
FFSIWX
INC003-211345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
649 AM EST MON JUL 21 2003

...FLASH FLOOD WARNING CONTINUES...

THE FLASH FLOOD WARNING CONTINUES FOR

  ALLEN COUNTY IN INDIANA

UNTIL 830 AM EST...

AT 645 AM NATIONAL WEATHER SERVICE RADAR INDICATED A LARGE AREA OF 
THUNDERSTORMS OVER NORTHEAST INDIANA...MOVING EAST AT 40 MPH.  RAIN 
WILL END OVER ALLEN COUNTY BY 900 AM EST. THE STAGE OF SPY RUN CREEK 
WAS 9.95 FEET AT 630 AM.  THE CREEK IS EXPECTED TO CREST NEAR 11 
FEET AROUND 8 AM. THIS WILL RESULT IN FLOODING IN FRANKE PARK... AND 
THE EASTBROOK AND WESTBROOK NEIGHBORHOODS. 

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.
000 
WGUS73 KIWX 211259
FFSIWX
INC003-211330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
756 AM EST MON JUL 21 2003

...FLASH FLOOD WARNING CONTINUES...

THE FLASH FLOOD WARNING CONTINUES FOR

  ALLEN COUNTY IN INDIANA

UNTIL 830 AM EST...

AT 755 AM NATIONAL WEATHER SERVICE RADAR INDICATED RAIN WAS ENDING 
OVER ALLEN COUNTY INDIANA. RUNOFF FROM THE HEAVY RAINFALL OVERNIGHT 
HAS ALLOWED STREAMS...DITCHES AND CULVERTS TO RAPIDLY FILL WITH 
WATER AND FLOOD. 6 TO 12 INCHES OF STANDING AND FLOWING WATER HAS 
BEEN REPORTED AT MANY LOCATIONS ACROSS THE CITY OF FORT WAYNE. 
NUMEROUS CITY STREETS ARE CLOSED TO DUE TO HIGH WATER. SOME 
BUILDINGS IN FORT WAYNE ALSO HAVE FLOODING IN THE LOWEST LEVELS.   
2 TO 4 INCHES OF RAIN FELL IN ALLEN COUNTY BETWEEN 100 AM AND 
700 AM EST.

THE STAGE OF SPY RUN CREEK WAS 10.91 FEET AT 630 AM...FLOOD STAGE IS 
8 FEET.  THE CREEK IS EXPECTED TO CREST NEAR 11.5 FEET BETWEEN 
800 AM AND 900 AM. THIS WILL RESULT IN FLOODING IN FRANKE PARK... 
AND THE EASTBROOK AND WESTBROOK NEIGHBORHOODS. 

WITH THE RAIN ENDING...FLOOD WATERS SHOULD BEGIN TO RECEDE LATER 
THIS MORNING. 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 20, 7:06 PM ESTSevere Thunderstorm WarningIWXSaint Joseph39 min
Jul 20, 7:39 PM ESTSevere Thunderstorm WarningIWXElkhart66 min
Jul 20, 8:06 PM ESTSevere Thunderstorm WarningIWXWhitley54 min
Jul 20, 11:48 PM ESTSevere Thunderstorm WarningIWXElkhart57 min
Jul 20, 11:58 PM ESTSevere Thunderstorm WarningIWXKosciusko, Noble47 min
Jul 21, 12:38 AM ESTSevere Thunderstorm WarningIWXAllen, DeKalb, Whitley67 min
Jul 21, 1:08 AM ESTSevere Thunderstorm WarningIWXWhite52 min
Jul 21, 1:14 AM ESTSevere Thunderstorm WarningIWXFulton31 min
Jul 21, 1:30 AM ESTSevere Thunderstorm WarningIWXKosciusko45 min
Jul 21, 1:38 AM ESTSevere Thunderstorm WarningIWXPulaski, Starke52 min
Jul 21, 3:12 AM ESTTornado WarningIWXCass33 min
Jul 21, 3:24 AM ESTSevere Thunderstorm WarningIWXMiami36 min
Jul 21, 3:39 AM ESTSevere Thunderstorm WarningIWXWabash51 min
Jul 21, 5:42 AM ESTSevere Thunderstorm WarningIWXBlackford33 min
Jul 21, 5:54 AM ESTSevere Thunderstorm WarningIWXJay36 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.