Alert archive / Indiana / Areal Flood Warnings in 2011

Areal Flood Warning 61, NWS Indianapolis, IN

July 12, 2011Daviess County, Indiana

NWS Indianapolis, IN issued this areal flood warning at Jul 12, 2011, 6:46 PM EDT for Daviess 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 counties it named.

The facts

Issued: Jul 12, 2011, 6:46 PM EDT (22:46 UTC)
Expired: Jul 13, 2011, 1:00 AM EDT
In force: 6 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

County Daviess County, IN

The radar

The Evansville,IN radar (KVWX), 75 km from the middle of the area, began a volume at 22:50 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 208 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: 1615 J/kg
Mixed-layer CIN: -167 J/kg
Mixed-layer LCL: 777 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: -14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Jul 12, 6:36 PM EDT, 10 minutes earlier.

Area forecast discussion, Jul 12, 6:36 PM EDT, 10 minutes before

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Hazardous weather outlook, Jul 12, 5:44 PM EDT, 1 hour 2 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 8:09 PM EDT	Severe Thunderstorm Warning	IND	Carroll	21 min
Jul 11, 8:11 PM EDT	Severe Thunderstorm Warning	IND	Clinton, Howard, Tipton	34 min
Jul 11, 8:11 PM EDT	Severe Thunderstorm Warning	IND	Randolph	14 min
Jul 11, 8:32 PM EDT	Severe Thunderstorm Warning	IND	Clinton, Tipton	43 min
Jul 11, 9:08 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Hamilton, Tipton	52 min
Jul 11, 9:31 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton, Hancock, Hendricks, Madison, Marion	39 min
Jul 12, 3:30 AM EDT	Excessive Heat Warning	IND	Daviess, Knox, Lawrence, Martin	17 hr
Jul 12, 3:30 AM EDT	Heat Advisory	IND	Bartholomew, Brown, Clay, Decatur, Greene, Jackson and 6 more	17 hr
Jul 12, 6:25 PM EDT	Areal Flood Warning	IND	Knox	6 hr
Jul 12, 7:22 PM EDT	Special Weather Statement	IND	Martin	38 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.