Alert archive / Illinois / Heat Advisories in 2020

Heat Advisory 2, NWS Lincoln, IL

July 18, 202025 counties in Illinois

NWS Lincoln, IL issued this heat advisory at Jul 18, 2020, 7:55 PM CDT for 25 counties in Illinois. It took effect at Jul 18, 2020, 10:00 PM CDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Jul 18, 2020, 7:55 PM CDT (00:55 UTC)
In effect from: Jul 18, 2020, 10:00 PM CDT
Expired: Jul 19, 2020, 7:00 PM CDT
In force: 21 hr
Issued by: NWS Lincoln, IL

All 25 counties

Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Jasper County, IL, Lawrence County, IL, Logan County, IL, Macon County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Richland County, IL, Sangamon County, IL, Scott County, IL, Shelby County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 84 km from the middle of the area, began a volume at 00:54 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.

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 Lincoln, IL wrote its last area forecast discussion before this heat advisory went out at Jul 18, 6:59 PM CDT, 56 minutes earlier.

Area forecast discussion, Jul 18, 6:59 PM CDT, 56 minutes before

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Hazardous weather outlook, Jul 18, 3:18 PM CDT, 4 hours 37 minutes before

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<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.
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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 19, 5:31 AM CDT	Special Weather Statement	ILX	Stark	44 min
Jul 19, 6:41 AM CDT	Special Weather Statement	ILX	Woodford	49 min
Jul 19, 8:49 AM CDT	Special Weather Statement	ILX	Woodford	41 min
Jul 19, 9:21 AM CDT	Special Weather Statement	ILX	Knox, Peoria, Stark	39 min
Jul 19, 9:33 AM CDT	Severe Thunderstorm Warning	ILX	Knox, Marshall, Stark	42 min
Jul 19, 10:05 AM CDT	Flash Flood Warning	ILX	Marshall, Tazewell, Woodford	3 hr
Jul 19, 10:19 AM CDT	Severe Thunderstorm Warning	ILX	Marshall	26 min
Jul 19, 12:38 PM CDT	Special Weather Statement	ILX	Champaign, Vermilion	52 min
Jul 19, 1:33 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	42 min
Jul 19, 5:10 PM CDT	Flash Flood Warning	ILX	Edgar	3 hr
Jul 19, 5:40 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Edgar	50 min

Nearby

Heat Advisories in Illinois, 2020 Every heat advisory 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; radar from the NEXRAD Level II archive.