Alert archive / Indiana / Areal Flood Warnings in 2013

Areal Flood Warning 2, NWS Indianapolis, IN

April 18, 201312 counties in Indiana

NWS Indianapolis, IN issued this areal flood warning at Apr 18, 2013, 9:06 PM EDT for 12 counties in Indiana. It was in force for 36 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 18, 2013, 9:06 PM EDT (01:06 UTC)
Expired: Apr 20, 2013, 9:00 AM EDT
In force: 36 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Boone County, IN, Carroll County, IN, Clinton County, IN, Fountain County, IN, Hendricks County, IN, Howard County, IN, Montgomery County, IN, Parke County, IN, Putnam County, IN, Tippecanoe County, IN, Vermillion County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 66 km from the middle of the area, began a volume at 01:08 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, 1.1 hours before the alert went out and 150 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, 7:52 PM EDT, 1 hour 14 minutes earlier.

Area forecast discussion, Apr 18, 7:52 PM EDT, 1 hour 14 minutes before

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Hazardous weather outlook, Apr 18, 7:50 PM EDT, 1 hour 16 minutes before

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In the hours before

Local storm report, Apr 18, 3:12 PM EDT, 5 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
312 PM EDT THU APR 18 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0311 PM     HEAVY RAIN       6 W LEBANON             40.05N  86.57W
04/18/2013  E2.00 INCH       BOONE              IN   CO-OP OBSERVER

            STARTED AROUND NOON AND ENDED AT ABOUT 3PM.

&&

MMB

Local storm report, Apr 18, 3:45 PM EDT, 5 hours 21 minutes before

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Local storm report, Apr 18, 6:38 PM EDT, 2 hours 28 minutes before

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Local storm report, Apr 18, 8:32 PM EDT, 34 minutes before

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  <main class="wrap">
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      <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.
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      <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 19, 12:23 AM EDT	Areal Flood Warning	IND	Brown, Clay, Daviess, Greene, Hamilton, Hancock and 14 more	33 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.