Alert archive / Indiana / Areal Flood Warnings in 2011

Areal Flood Warning 21, NWS Indianapolis, IN

April 23, 2011Jackson County, Jennings County, Indiana

NWS Indianapolis, IN issued this areal flood warning at Apr 23, 2011, 6:48 AM EDT for Jackson County, Jennings County, Indiana. 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: Apr 23, 2011, 6:48 AM EDT (10:48 UTC)
Expired: Apr 23, 2011, 1:00 PM EDT
In force: 6 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Jackson County, IN, Jennings County, IN

The radar

The Louisville radar (KLVX), 99 km from the middle of the area, began a volume at 10:48 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, 10.8 hours before the alert went out and 176 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: 565 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 265 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

495 
WGUS43 KIND 231048
FLWIND

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
648 AM EDT SAT APR 23 2011

INC071-079-231700-
/O.NEW.KIND.FA.W.0021.110423T1048Z-110423T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON-JENNINGS-
648 AM EDT SAT APR 23 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLOOD WARNING FOR...
  EASTERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA...
  JENNINGS COUNTY IN SOUTHEAST INDIANA...

* UNTIL 100 PM EDT SATURDAY

* AT 647 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLOODING ACROSS THE WARNED AREA. AUTOMATED EQUIPMENT AT BRUSH      
  CREEK NEAR NEBRASKA INDICATED FLOODING OCCURRING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...SEYMOUR...
  NORTH VERNON AND VERNON.

THIS WARNING INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 37 AND 53.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
MUTTON CREEK...GRAHAM CREEK...BIG OX CREEK...OTTER CREEK...VERNON
FORK...MUSCATATUCK RIVER...GRASSY FORK...TEA CREEK...SIXMILE CREEK...
COFFEE CREEK...POLLY BRANCH...BIG CREEK...RUSH BRANCH...LITTLE GRAHAM
CREEK...BEAR CREEK...CROOKED CREEK...FISH CREEK...CANA CREEK...SANDY
BRANCH...LEWIS BRANCH...EAST FORK WHITE RIVER...FINCH BRANCH...
PLEASANT RUN...LONG BRANCH AND POWDER CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3873 8591 3900 8591 3910 8545 3892 8545
      3891 8554 3889 8555 3888 8558 3885 8559
      3885 8562 3883 8562 3881 8565 3881 8570
      3882 8574 3880 8581 3873 8585 3872 8590

$$

NIELD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 8:37 PM EDT	River Flood Warning	IND	Shelby	7 days
Apr 22, 8:37 PM EDT	River Flood Warning	IND	Clay, Greene	8 days
Apr 22, 11:00 PM EDT	Special Weather Statement	IND	Daviess	30 min
Apr 22, 11:33 PM EDT	Special Weather Statement	IND	Brown, Monroe	27 min
Apr 22, 11:37 PM EDT	Severe Thunderstorm Warning	IND	Brown, Johnson, Monroe	23 min
Apr 23, 12:01 AM EDT	Severe Thunderstorm Warning	IND	Delaware, Madison	29 min
Apr 23, 12:17 AM EDT	Areal Flood Warning	IND	Daviess, Greene, Knox, Martin, Sullivan	6 hr
Apr 23, 12:37 AM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Lawrence, Monroe	23 min
Apr 23, 12:48 AM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Randolph	27 min
Apr 23, 12:52 AM EDT	Tornado Warning	IND	Brown, Jackson, Lawrence, Monroe	23 min
Apr 23, 1:14 AM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	31 min
Apr 23, 1:33 AM EDT	Tornado Warning	IND	Bartholomew, Jackson, Jennings	42 min
Apr 23, 1:47 AM EDT	Severe Thunderstorm Warning	IND	Decatur	28 min
Apr 23, 11:25 AM EDT	River Flood Warning	IND	Carroll, Tippecanoe, White	6 hr
Apr 23, 12:22 PM EDT	Areal Flood Warning	IND	Daviess, Knox, Lawrence, Martin	6 hr
Apr 23, 1:08 PM EDT	Areal Flood Warning	IND	Jackson, Jennings	6 hr
Apr 23, 1:27 PM EDT	Flash Flood Watch	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	5 days

Nearby

Areal Flood Warnings in Indiana, 2011 Every areal flood warning in 2011

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.