Alert archive / Indiana / Heat Advisories in 2018

Heat Advisory 2, NWS Northern Indiana

July 3, 201821 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan

NWS Northern Indiana issued this heat advisory at Jul 3, 2018, 2:26 PM EDT for 21 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan. It took effect at Jul 4, 2018, 11:00 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Jul 3, 2018, 2:26 PM EDT (18:26 UTC)
In effect from: Jul 4, 2018, 11:00 AM EDT
Expired: Jul 5, 2018, 3:11 AM EDT
In force: 16 hr
Issued by: NWS Northern Indiana

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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.4 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-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: 217 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 968 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 26 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 heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

Hazardous weather outlook, Jul 2, 2:51 PM EDT, 23 hours 35 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 6:01 PM EDT	Special Weather Statement	IWX	Adams	44 min
Jul 3, 7:05 PM EDT	Areal Flood Advisory	IWX	Williams	3 hr
Jul 3, 7:28 PM EDT	Special Weather Statement	IWX	Van Wert	32 min
Jul 3, 6:53 PM EDT	Special Weather Statement	IWX	Hillsdale	52 min

Nearby

Heat Advisories in Indiana, 2018 Heat Advisories in Ohio, 2018 Heat Advisories in Michigan, 2018 Every heat advisory 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.