Alert archive / Indiana / Heat Advisories in 2019

Heat Advisory 2, NWS Northern Indiana

July 21, 2019Blackford County, Grant County, Jay County, Indiana

NWS Northern Indiana issued this heat advisory at Jul 21, 2019, 10:32 AM EDT for Blackford County, Grant County, Jay County, Indiana. It took effect at Jul 21, 2019, 10:48 AM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jul 21, 2019, 10:32 AM EDT (14:32 UTC)
In effect from
Jul 21, 2019, 10:48 AM EDT
Expired
Jul 21, 2019, 6:00 PM EDT
In force
7 hr
Issued by
NWS Northern Indiana

Counties Blackford County, IN, Grant County, IN, Jay County, IN

The radar

The Northern Indiana radar (KIWX), 103 km from the middle of the area, began a volume at 14:35 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, 2.5 hours before the alert went out and 175 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 2019-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 899 joules per kilogram.LCLLFCEL10008507005003002001001 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 2019-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 square meters per square second.1939Sfc1 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
899 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1056 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
-21 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.

NWS Northern Indiana wrote its last area forecast discussion before this heat advisory went out at Jul 21, 7:00 AM EDT, 3 hours 32 minutes earlier.

Area forecast discussion, Jul 21, 7:00 AM EDT, 3 hours 32 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>
Hazardous weather outlook, Jul 21, 4:59 AM EDT, 5 hours 33 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.

IssuedProductOfficeCountiesLasted
Jul 20, 8:17 PM EDTSpecial Weather StatementIWXElkhart, LaGrange28 min
Jul 21, 4:39 AM EDTBeach Hazards StatementIWX49 hr
Jul 21, 3:17 PM EDTSpecial Weather StatementIWXSaint Joseph43 min
Jul 21, 3:21 PM EDTAreal Flood AdvisoryIWXLaPorte, Marshall, Saint Joseph, Starke4 hr
Jul 21, 3:29 PM EDTSpecial Weather StatementIWXPulaski, Starke61 min
Jul 21, 3:40 PM EDTFlash Flood WarningIWXLaPorte, Marshall, Saint Joseph, Starke4 hr
Jul 21, 3:46 PM EDTSmall Craft AdvisoryIWX36 hr
Jul 21, 3:53 PM EDTSevere Thunderstorm WarningIWXPulaski, Starke42 min
Jul 21, 4:09 PM EDTSpecial Weather StatementIWXElkhart51 min
Jul 21, 4:23 PM EDTAreal Flood AdvisoryIWXElkhart, Saint Joseph3 hr
Jul 21, 4:24 PM EDTSpecial Weather StatementIWXDeKalb36 min
Jul 21, 4:27 PM EDTSpecial Weather StatementIWXFulton, Marshall63 min
Jul 21, 4:50 PM EDTSpecial Weather StatementIWXHuntington, Kosciusko, Miami, Wabash, Whitley55 min
Jul 21, 5:03 PM EDTSevere Thunderstorm WarningIWXKosciusko, Wabash, Whitley29 min
Jul 21, 5:14 PM EDTSpecial Weather StatementIWXGrant, Huntington, Miami, Wabash, Wells46 min
Jul 21, 5:18 PM EDTSpecial Weather StatementIWXKosciusko, Noble42 min
Jul 21, 5:38 PM EDTSpecial Weather StatementIWXAllen, Noble, Whitley67 min
Jul 21, 6:02 PM EDTSpecial Weather StatementIWXAdams, Blackford, Jay, Wells58 min
Jul 21, 6:21 PM EDTSpecial Weather StatementIWXAllen, DeKalb54 min
Jul 21, 7:35 PM EDTAreal Flood AdvisoryIWXDeKalb, Steuben3 hr
Jul 21, 4:52 PM EDTSpecial Weather StatementIWXDefiance23 min
Jul 21, 5:27 PM EDTSpecial Weather StatementIWXHenry33 min
Jul 21, 5:48 PM EDTAreal Flood AdvisoryIWXDefiance, Henry, Williams3 hr
Jul 21, 6:47 PM EDTSpecial Weather StatementIWXVan Wert28 min
Jul 21, 6:52 PM EDTAreal Flood WarningIWXDefiance, Henry, Williams6 hr
Jul 21, 7:02 PM EDTSpecial Weather StatementIWXDefiance73 min
Jul 21, 7:20 PM EDTSpecial Weather StatementIWXAllen, Putnam, Van Wert70 min
Jul 21, 7:45 PM EDTSpecial Weather StatementIWXHenry90 min

Nearby

Heat Advisories in Indiana, 2019Every heat advisory in 2019

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.