Alert archive / Indiana / Areal Flood Warnings in 2018

Areal Flood Warning 3, NWS Indianapolis, IN

February 25, 2018Brown County, Monroe County, Indiana

NWS Indianapolis, IN issued this areal flood warning at Feb 25, 2018, 8:11 AM EST for Brown County, Monroe County, Indiana. It was in force for 12 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: Feb 25, 2018, 8:11 AM EST (13:11 UTC)
Expired: Feb 25, 2018, 8:15 PM EST
In force: 12 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Brown County, IN, Monroe County, IN

The radar

The Indianapolis radar (KIND), 59 km from the middle of the area, began a volume at 13:10 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, 1.2 hours before the alert went out and 223 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: 844 m above ground
0-6 km bulk shear: 86 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 207 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 Feb 25, 6:22 AM EST, 1 hour 49 minutes earlier.

Area forecast discussion, Feb 25, 6:22 AM EST, 1 hour 49 minutes before

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Hazardous weather outlook, Feb 25, 4:23 AM EST, 3 hours 48 minutes before

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In the hours before

Local storm report, Feb 25, 3:43 AM EST, 4 hours 28 minutes before

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  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
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      <p id="message1">
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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.

Issued	Product	Office	Counties	Lasted
Feb 24, 9:10 PM EST	Areal Flood Warning	IND	Daviess, Jackson, Jennings, Knox, Lawrence, Martin	9 hr
Feb 24, 9:36 PM EST	River Flood Warning	IND	Johnson	62 hr

Nearby

Areal Flood Warnings in Indiana, 2018 Every areal flood warning in 2018

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.