Alert archive / Indiana / Areal Flood Warnings in 2013

Areal Flood Warning 3, NWS Indianapolis, IN

April 19, 201320 counties in Indiana

NWS Indianapolis, IN issued this areal flood warning at Apr 19, 2013, 12:23 AM EDT for 20 counties in Indiana. It was in force for 33 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 19, 2013, 12:23 AM EDT (04:23 UTC)
Expired: Apr 20, 2013, 9:30 AM EDT
In force: 33 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Brown County, IN, Clay County, IN, Daviess County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Owen County, IN, Putnam County, IN, Sullivan County, IN, Tipton County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 43 km from the middle of the area, began a volume at 04:25 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 00:00Z, 4.4 hours before the alert went out and 190 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: 6 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 476 m above ground
0-6 km bulk shear: 82 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 131 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 Apr 18, 10:44 PM EDT, 1 hour 39 minutes earlier.

Area forecast discussion, Apr 18, 10:44 PM EDT, 1 hour 39 minutes before

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Hazardous weather outlook, Apr 18, 7:50 PM EDT, 4 hours 33 minutes before

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In the hours before

Local storm report, Apr 18, 6:38 PM EDT, 5 hours 45 minutes before

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Local storm report, Apr 18, 8:32 PM EDT, 3 hours 51 minutes before

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Local storm report, Apr 18, 9:38 PM EDT, 2 hours 45 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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Local storm report, Apr 18, 10:28 PM EDT, 1 hour 55 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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 18, 8:01 PM EDT	Areal Flood Advisory	IND	Boone, Clinton, Howard, Montgomery, Putnam	4 hr
Apr 18, 8:37 PM EDT	Areal Flood Advisory	IND	Boone, Hamilton, Hancock, Hendricks, Johnson, Marion and 2 more	4 hr
Apr 18, 9:06 PM EDT	Areal Flood Warning	IND	Boone, Carroll, Clinton, Fountain, Hendricks, Howard and 6 more	36 hr
Apr 19, 3:25 AM EDT	Freeze Watch	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	11 hr
Apr 19, 4:49 AM EDT	River Flood Warning	IND	Hamilton, Marion	52 hr
Apr 19, 4:49 AM EDT	River Flood Warning	IND	Carroll, Tippecanoe, White	29 hr
Apr 19, 6:57 AM EDT	River Flood Warning	IND	Marion, Morgan	50 hr
Apr 19, 2:42 PM EDT	Freeze Warning	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	17 hr

Nearby

Areal Flood Warnings in Indiana, 2013 Every areal flood warning in 2013

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.