Alert archive / Indiana / Areal Flood Warnings in 2011

Areal Flood Warning 25, NWS Indianapolis, IN

April 27, 2011Bartholomew County, Jackson County, Jennings County, Indiana

NWS Indianapolis, IN issued this areal flood warning at Apr 27, 2011, 5:32 AM EDT for Bartholomew County, Jackson County, Jennings County, Indiana. It was in force for 30 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 27, 2011, 5:32 AM EDT (09:32 UTC)
Expired: Apr 28, 2011, 11:30 AM EDT
In force: 30 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Bartholomew County, IN, Jackson County, IN, Jennings County, IN

The radar

The Indianapolis radar (KIND), 83 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 182 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: 781 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 622 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 255 m²/s²
0-3 km storm-relative helicity: 275 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 4.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Indianapolis, IN wrote its last area forecast discussion before this areal flood warning went out at Apr 27, 3:48 AM EDT, 1 hour 44 minutes earlier.

Area forecast discussion, Apr 27, 3:48 AM EDT, 1 hour 44 minutes before

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Hazardous weather outlook, Apr 26, 7:16 PM EDT, 10 hours 16 minutes before

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In the hours before

Special weather statement, Apr 27, 2:06 AM EDT, 3 hours 26 minutes before

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Local storm report, Apr 27, 4:38 AM EDT, 54 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 8:26 PM EDT	Severe Thunderstorm Warning	IND	Carroll	34 min
Apr 26, 9:21 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke	39 min
Apr 26, 9:34 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Howard, Tippecanoe	41 min
Apr 26, 11:35 PM EDT	Flash Flood Warning	IND	Daviess, Greene, Knox, Lawrence, Martin, Monroe and 1 more	5 hr
Apr 26, 11:42 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Sullivan	24 min
Apr 27, 12:48 AM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	5 hr
Apr 27, 1:10 AM EDT	Severe Thunderstorm Warning	IND	Decatur, Jennings	50 min
Apr 27, 2:06 AM EDT	Special Weather Statement	IND	Clinton, Howard, Tipton	39 min
Apr 27, 7:04 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks, Marion	41 min
Apr 27, 7:05 PM EDT	Tornado Warning	IND	Boone, Hendricks, Marion	40 min

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.