Alert archive / Indiana / Flash Flood Warnings in 2006

Flash Flood Warning 3, NWS Indianapolis, IN

April 19, 2006Knox County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Apr 19, 2006, 1:06 AM CDT for Knox County, Indiana. It was in force for 114 min. 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: Apr 19, 2006, 1:06 AM CDT (06:06 UTC)
Expired: Apr 19, 2006, 3:00 AM CDT
In force: 114 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

County Knox County, IN

The radar

The Evansville,IN radar (KVWX), 56 km from the middle of the area, began a volume at 06:05 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

Time	Report	Where	Remark
Apr 19, 1:06 AM CDT	FLASH FLOOD	Vincennes, IN	WATER OVER HIGHWAY 67 IN SEVERAL LOCATIONS
Apr 19, 1:06 AM CDT	HEAVY RAIN 1.5	Vincennes, IN	MEASURED 1.5 INCHES OF RAIN WITH AN HOURLY RATE OF 3.2 INCHES
Apr 19, 1:35 AM CDT	FLASH FLOOD	Vincennes, IN	WATER OVER NUMEROUS ROADS IN VINCENNES
Apr 19, 1:45 AM CDT	FLOOD	1 N Vincennes, IN	U.S. 41 WATER OVER ROADS
Apr 19, 1:45 AM CDT	FLOOD	2 S Bruceville, IN	STATE ROAD 67 WATER OVER ROADWAYS
Apr 19, 2:20 AM CDT	FLOOD	Vincennes, IN	CONSIDERABLE FLOODING OVER THE ENTIRE VINCENNES AREA.

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 00:00Z, 6.1 hours before the alert went out and 191 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1825 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KIND 190606
FFWIND
INC083-190800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
106 AM CDT WED APR 19 2006

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KNOX COUNTY IN SOUTHWEST INDIANA
  THIS INCLUDES THE CITY OF VINCENNES

* UNTIL 300 AM CDT

* AT 101 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  OAKTOWN...EDWARDSPORT...BRUCEVILLE AND BICKNELL.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

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 3856 8756 3856 8729 3871 8728 3888 8720
      3888 8751 3876 8750

$$

CO

1 follow-up statement

000 
WGUS73 KIND 190654
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
247 AM EDT WED APR 19 2006

INC083-190800-
KNOX-
147 AM CDT WED APR 19 2006

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM CDT FOR KNOX
COUNTY...

AT 145 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED STATE ROAD 
67 JUST SOUTH OF BRUCEVILLE WAS FLOODED.  STATE ROAD 41 ONE MILE 
NORTH OF VINCENNES WAS ALSO REPORTED TO BE FLOODED.

HEAVY RAINS WILL PERSIST THROUGH 300 AM CDT. ANOTHER 1 TO 2 INCHES 
OF RAIN WILL BE POSSIBLE.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OAKTOWN...
EDWARDSPORT...BRUCEVILLE AND BICKNELL.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 3856 8756 3856 8729 3871 8728 3888 8720
      3888 8751 3876 8750

$$

CO

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 18, 11:49 PM CDT	Severe Thunderstorm Warning	IND	Knox	56 min
Apr 19, 12:05 AM CDT	Severe Thunderstorm Warning	IND	Sullivan	41 min
Apr 19, 12:34 AM CDT	Severe Thunderstorm Warning	IND	Clay	41 min
Apr 19, 12:42 AM CDT	Severe Thunderstorm Warning	IND	Knox	63 min
Apr 19, 12:51 AM CDT	Severe Thunderstorm Warning	IND	Greene	39 min
Apr 19, 1:32 AM CDT	Severe Thunderstorm Warning	IND	Monroe	36 min
Apr 19, 2:17 AM CDT	Flash Flood Warning	IND	Daviess, Martin	118 min
Apr 19, 2:41 AM CDT	Severe Thunderstorm Warning	IND	Knox	33 min
Apr 19, 2:51 AM CDT	Flash Flood Warning	IND	Knox	84 min
Apr 19, 4:10 AM CDT	Flash Flood Warning	IND	Daviess	2 hr
Apr 19, 4:13 AM CDT	Flash Flood Warning	IND	Martin	3 hr

Nearby

Flash Flood Warnings in Indiana, 2006 Every flash flood warning in 2006

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.