Alert archive / Indiana / Flood Watches in 2020

Flood Watch 3, NWS Northern Indiana

May 16, 202021 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan

NWS Northern Indiana issued this flood watch at May 16, 2020, 2:58 PM EDT for 21 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan. It took effect at May 17, 2020, 4:00 PM EDT. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued: May 16, 2020, 2:58 PM EDT (18:58 UTC)
In effect from: May 17, 2020, 4:00 PM EDT
Expired: May 18, 2020, 7:59 PM EDT
In force: 28 hr
Issued by: NWS Northern Indiana
Flood severity: None

All 33 counties

Adams County, IN, Allen County, IN, Blackford County, IN, Cass County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Grant County, IN, Huntington County, IN, Jay County, IN, LaGrange County, IN, Marshall County, IN, Miami County, IN, Noble County, IN, Pulaski County, IN, Starke County, IN, Steuben County, IN, Wabash County, IN, Wells County, IN, White County, IN, Whitley County, IN, Branch County, MI, Cass County, MI, Hillsdale County, MI, Saint Joseph County, MI, Allen County, OH, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 38 km from the middle of the area, began a volume at 19:00 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, 7.0 hours before the alert went out and 299 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: 818 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 71 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 flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Northern Indiana wrote its last area forecast discussion before this flood watch went out at May 16, 1:54 PM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, May 16, 1:54 PM EDT, 1 hour 4 minutes before

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Hazardous weather outlook, May 16, 5:59 AM EDT, 8 hours 59 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
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The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 16, 2:42 AM EDT	Dense Fog Advisory	IWX	Adams, Allen, Blackford, Cass, DeKalb, Fulton and 9 more	5 hr
May 16, 3:54 PM EDT	Lakeshore Flood Warning	IWX		60 hr

Nearby

Flood Watches in Indiana, 2020 Flood Watches in Ohio, 2020 Flood Watches in Michigan, 2020 Every flood watch in 2020

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.