Alert archive / Indiana / Areal Flood Advisories in 2017

Areal Flood Advisory 2, NWS Indianapolis, IN

April 28, 20179 counties in Indiana

NWS Indianapolis, IN issued this areal flood advisory at Apr 28, 2017, 7:29 PM EDT for 9 counties in Indiana. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 28, 2017, 7:29 PM EDT (23:29 UTC)
Expired
Apr 28, 2017, 11:30 PM EDT
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

Counties Brown County, IN, Clay County, IN, Greene County, IN, Johnson County, IN, Knox County, IN, Monroe County, IN, Morgan County, IN, Owen County, IN, Sullivan County, IN

The radar

The Indianapolis radar (KIND), 71 km from the middle of the area, began a volume at 23:31 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, 11.5 hours before the alert went out and 188 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2017-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2017-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
912 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
218 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 advisory 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 advisory went out at Apr 28, 6:54 PM EDT, 35 minutes earlier.

Area forecast discussion, Apr 28, 6:54 PM EDT, 35 minutes before
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Hazardous weather outlook, Apr 28, 4:44 PM EDT, 2 hours 45 minutes before
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In the hours before

Local storm report, Apr 28, 5:49 PM EDT, 1 hour 40 minutes before
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Local storm report, Apr 28, 5:58 PM EDT, 1 hour 31 minutes before
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<body>
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    <section class="card" role="status" aria-live="polite">
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Local storm report, Apr 28, 7:18 PM EDT, 11 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        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.

IssuedProductOfficeCountiesLasted
Apr 28, 11:31 AM EDTFlash Flood WatchINDBartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more66 hr
Apr 28, 12:47 PM EDTRiver Flood WarningINDGreene, Monroe, Owen14 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDDaviess, Greene, Knox16 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDDaviess, Greene, Knox16 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDDaviess, Gibson, Knox, Pike18 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDDaviess, Gibson, Knox, Pike20 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDGibson, Knox23 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDCarroll, Tippecanoe, White4 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDCarroll, Tippecanoe, White58 hr
Apr 28, 12:47 PM EDTRiver Flood WarningINDFountain, Parke, Tippecanoe, Vermillion, Warren16 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDFountain, Parke, Vermillion, Warren17 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDParke, Vermillion, Vigo21 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDParke, Vermillion, Vigo17 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDSullivan, Vigo21 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDKnox, Sullivan37 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDKnox, Sullivan38 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDKnox28 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDGibson, Knox, Posey22 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDTippecanoe10 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDClay, Greene9 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDJackson, Lawrence, Washington15 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDLawrence, Martin17 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDLawrence, Martin8 days
Apr 28, 12:47 PM EDTRiver Flood WarningINDMontgomery, Parke4 days
Apr 28, 5:04 PM EDTSevere Thunderstorm WarningINDParke, Vermillion, Vigo20 min
Apr 28, 6:11 PM EDTSevere Thunderstorm WarningINDClay, Greene, Knox, Sullivan34 min
Apr 28, 6:20 PM EDTAreal Flood AdvisoryINDClay, Parke, Vermillion, Vigo3 hr
Apr 28, 7:18 PM EDTSevere Thunderstorm WarningINDBartholomew, Brown, Johnson, Monroe, Morgan42 min
Apr 28, 7:43 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur, Hancock, Johnson, Rush, Shelby32 min
Apr 28, 7:47 PM EDTTornado WarningINDBartholomew, Decatur28 min

Nearby

Areal Flood Advisories in Indiana, 2017Every areal flood advisory in 2017

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.