Alert archive / Indiana / Flood Watches in 2017

Flood Watch 1, NWS Northern Indiana

May 3, 201721 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan

NWS Northern Indiana issued this flood watch at May 3, 2017, 3:53 AM EDT for 21 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan. It took effect at May 4, 2017, 2:00 AM EDT. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued
May 3, 2017, 3:53 AM EDT (07:53 UTC)
In effect from
May 4, 2017, 2:00 AM EDT
Expired
May 5, 2017, 3:03 AM EDT
In force
25 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 07:53 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 00:00Z, 7.9 hours before the alert went out and 233 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 00:00Z on 2017-05-03Temperature 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 00:00Z on 2017-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
1120 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
351 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 3, 1:41 AM EDT, 2 hours 12 minutes earlier.

Area forecast discussion, May 3, 1:41 AM EDT, 2 hours 12 minutes before
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Hazardous weather outlook, May 2, 5:52 AM EDT, 22 hours 1 minute before
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <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 Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 3, 12:22 PM EDTRiver Flood WarningIWXAllen4 days
May 3, 12:22 PM EDTRiver Flood WarningIWXAllen, DeKalb6 days
May 3, 12:22 PM EDTRiver Flood WarningIWXAllen6 days
May 3, 12:22 PM EDTRiver Flood WarningIWXAdams, Allen7 days
May 3, 12:22 PM EDTRiver Flood WarningIWXLaPorte, Saint Joseph, Starke3 days
May 3, 3:40 PM EDTGale WatchIWX12 hr
May 3, 3:40 PM EDTSmall Craft AdvisoryIWX31 hr
May 3, 12:22 PM EDTRiver Flood WarningIWXWilliams4 days
May 3, 12:22 PM EDTRiver Flood WarningIWXDefiance, Fulton, Williams8 days

Nearby

Flood Watches in Indiana, 2017Flood Watches in Ohio, 2017Flood Watches in Michigan, 2017Every flood watch 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.