Alert archive / Indiana / Areal Flood Advisories in 2012

Areal Flood Advisory 4, NWS Indianapolis, IN

January 17, 20127 counties in Indiana

NWS Indianapolis, IN issued this areal flood advisory at Jan 17, 2012, 6:31 PM EST for 7 counties in Indiana. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jan 17, 2012, 6:31 PM EST (23:31 UTC)
Expired
Jan 17, 2012, 10:30 PM EST
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

Counties Bartholomew County, IN, Brown County, IN, Decatur County, IN, Jackson County, IN, Jennings County, IN, Rush County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 66 km from the middle of the area, began a volume at 23:34 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.5 hours before the alert went out and 173 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, Cncnati-Daytn, OH at 12:00Z on 2012-01-17Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 818 square meters per square second.1939587897Sfc1 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
602 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
818 m²/s²
0-3 km storm-relative helicity
844 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 Jan 17, 6:16 PM EST, 15 minutes earlier.

Area forecast discussion, Jan 17, 6:16 PM EST, 15 minutes before
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Hazardous weather outlook, Jan 17, 4:27 PM EST, 2 hours 4 minutes before
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In the hours before

Local storm report, Jan 17, 2:17 PM EST, 4 hours 14 minutes before
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Local storm report, Jan 17, 5:46 PM EST, 45 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 3:53 AM ESTSpecial Weather StatementINDCarroll, Tippecanoe52 min
Jan 17, 4:41 AM ESTSpecial Weather StatementINDHoward34 min
Jan 17, 5:55 AM ESTSpecial Weather StatementINDGreene, Owen, Sullivan65 min
Jan 17, 6:10 AM ESTSevere Thunderstorm WarningINDHendricks, Johnson, Marion, Morgan35 min
Jan 17, 6:13 AM ESTSevere Thunderstorm WarningINDBartholomew, Brown, Greene, Lawrence, Monroe, Owen and 1 more62 min
Jan 17, 6:20 AM ESTSevere Thunderstorm WarningINDHamilton, Hancock, Marion25 min
Jan 17, 6:29 AM ESTSevere Thunderstorm WarningINDHancock, Henry, Madison31 min
Jan 17, 6:37 AM ESTSevere Thunderstorm WarningINDDaviess, Greene, Knox, Sullivan68 min
Jan 17, 7:06 AM ESTTornado WarningINDDaviess, Knox24 min
Jan 17, 7:18 AM ESTSevere Thunderstorm WarningINDBartholomew, Brown, Decatur, Jackson, Jennings42 min
Jan 17, 7:21 AM ESTAreal Flood AdvisoryINDDecatur, Delaware, Hamilton, Hancock, Henry, Johnson and 6 more3 hr
Jan 17, 7:23 AM ESTAreal Flood AdvisoryINDBartholomew, Brown, Daviess, Decatur, Greene, Jackson and 5 more4 hr
Jan 17, 7:27 AM ESTTornado WarningINDDaviess, Greene, Lawrence, Martin48 min
Jan 17, 8:11 AM ESTTornado WarningINDJackson, Lawrence49 min
Jan 17, 8:39 AM ESTSevere Thunderstorm WarningINDJennings21 min
Jan 17, 8:42 AM ESTSevere Thunderstorm WarningINDDaviess, Knox48 min
Jan 17, 9:00 AM ESTSpecial Weather StatementINDJennings30 min
Jan 17, 9:11 AM ESTSevere Thunderstorm WarningINDMartin34 min
Jan 17, 9:24 AM ESTSevere Thunderstorm WarningINDLawrence36 min
Jan 17, 10:05 AM ESTRiver Flood WarningINDJackson, Lawrence, Washington4 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDParke, Vermillion, Vigo51 hr
Jan 17, 10:05 AM ESTRiver Flood WarningINDSullivan, Vigo19 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDKnox, Sullivan23 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDKnox, Sullivan23 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDGibson, Knox, Posey21 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Greene, Knox14 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Greene, Knox4 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Gibson, Knox, Pike16 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Gibson, Knox, Pike19 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDGibson, Knox20 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDFountain, Parke, Tippecanoe, Vermillion, Warren16 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDFountain, Parke, Vermillion, Warren16 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDParke, Vermillion, Vigo18 days
Jan 17, 12:25 PM ESTAreal Flood AdvisoryINDBartholomew, Brown, Daviess, Decatur, Greene, Jackson and 7 more6 hr

Nearby

Areal Flood Advisories in Indiana, 2012Every areal flood advisory in 2012

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.