Alert archive / Illinois / Heat Advisories in 2016
Heat Advisory 1, NWS Lincoln, IL
NWS Lincoln, IL issued this heat advisory at Aug 11, 2016, 11:30 AM CDT for 16 counties in Illinois. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Aug 11, 2016, 11:30 AM CDT (16:30 UTC)
- Expired
- Aug 11, 2016, 6:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Lincoln, IL
Counties Cass County, IL, Christian County, IL, Fulton County, IL, Knox County, IL, Logan County, IL, Marshall County, IL, Mason County, IL, Menard County, IL, Morgan County, IL, Peoria County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Tazewell County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 47 km from the middle of the area, began a volume at 16:32 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
Davenport, (KDVN), launched 12:00Z, 4.5 hours before the alert went out and 157 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.
- Mixed-layer CAPE
- 481 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1029 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
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 Aug 11, 9:49 AM CDT, 1 hour 41 minutes earlier.
Area forecast discussion, Aug 11, 9:49 AM CDT, 1 hour 41 minutes before
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</html>Hazardous weather outlook, Aug 11, 5:28 AM CDT, 6 hours 2 minutes before
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</html>In the hours before
Special weather statement, Aug 11, 6:45 AM CDT, 4 hours 45 minutes before
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>Special weather statement, Aug 11, 9:54 AM CDT, 1 hour 36 minutes before
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</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>
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 7:01 PM CDT | Special Weather Statement | ILX | Coles, Douglas | 59 min |
| Aug 11, 1:49 PM CDT | Areal Flood Advisory | ILX | Knox | 116 min |
Nearby
Heat Advisories in Illinois, 2016Every heat advisory in 2016
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.