Alert archive / Indiana / Areal Flood Warnings in 2011

Areal Flood Warning 37, NWS Indianapolis, IN

May 3, 20117 counties in Indiana

NWS Indianapolis, IN issued this areal flood warning at May 3, 2011, 10:51 AM EDT for 7 counties in Indiana. It was in force for 24 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: May 3, 2011, 10:51 AM EDT (14:51 UTC)
Expired: May 4, 2011, 10:34 AM EDT
In force: 24 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Daviess County, IN, Greene County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Sullivan County, IN

The radar

The Evansville,IN radar (KVWX), 97 km from the middle of the area, began a volume at 14:54 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, 2.9 hours before the alert went out and 199 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: 1506 m above ground
0-6 km bulk shear: 88 kt
0-1 km storm-relative helicity: -52 m²/s²
0-3 km storm-relative helicity: -14 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 3, 6:29 AM EDT, 4 hours 22 minutes earlier.

Area forecast discussion, May 3, 6:29 AM EDT, 4 hours 22 minutes before

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Hazardous weather outlook, May 3, 4:24 AM EDT, 6 hours 27 minutes before

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    <section class="card" role="status" aria-live="polite">
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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
May 3, 10:57 AM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings, Johnson and 2 more	24 hr
May 3, 12:45 PM EDT	River Flood Warning	IND	Morgan, Owen	44 hr
May 3, 12:45 PM EDT	River Flood Warning	IND	Clay, Greene	28 hr

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.