Alert archive / Illinois / Flash Flood Watches in 2013

Flash Flood Watch 2, NWS Chicago, IL

May 30, 201316 counties in Illinois; 5 counties in Indiana

NWS Chicago, IL issued this flash flood watch at May 30, 2013, 4:09 AM CDT for 16 counties in Illinois; 5 counties in Indiana. It took effect at May 30, 2013, 7:00 PM CDT. It was in force for 51 hr.

The area

The counties it named.

The facts

Issued
May 30, 2013, 4:09 AM CDT (09:09 UTC)
In effect from
May 30, 2013, 7:00 PM CDT
Expired
Jun 1, 2013, 10:00 PM CDT
In force
51 hr
Issued by
NWS Chicago, IL
Flood severity
None
All 21 counties

Boone County, IL, DeKalb County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, McHenry County, IL, Ogle County, IL, Winnebago County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN

The radar

The Chicago radar (KLOT), 15 km from the middle of the area, began a volume at 09:09 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 flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this flash flood watch went out at May 30, 3:37 AM CDT, 32 minutes earlier.

Area forecast discussion, May 30, 3:37 AM CDT, 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, May 29, 5:11 PM CDT, 10 hours 58 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 Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 8:55 PM CDTSmall Craft AdvisoryLOT24 hr
May 30, 2:00 PM CDTSevere Thunderstorm WarningLOTLee60 min
May 30, 2:35 PM CDTSpecial Marine WarningLOT85 min
May 30, 2:55 PM CDTSevere Thunderstorm WarningLOTGrundy, LaSalle, Livingston, Will65 min
May 30, 2:56 PM CDTSevere Thunderstorm WarningLOTCook, Will34 min
May 30, 3:08 PM CDTSpecial Marine WarningLOT97 min
May 30, 3:34 PM CDTSevere Thunderstorm WarningLOTGrundy, LaSalle, Livingston56 min
May 30, 3:59 PM CDTSpecial Marine WarningLOT2 hr
May 30, 4:16 PM CDTSevere Thunderstorm WarningLOTDeKalb, Grundy, Kane, Kendall, LaSalle, Will59 min
May 30, 4:22 PM CDTAreal Flood AdvisoryLOTCook, DuPage, Will3 hr
May 30, 4:28 PM CDTSevere Thunderstorm WarningLOTCook, Will47 min
May 30, 5:13 PM CDTAreal Flood AdvisoryLOTCook, Will3 hr
May 30, 5:50 PM CDTSevere Thunderstorm WarningLOTLaSalle, Lee, Ogle, Winnebago70 min
May 30, 5:56 PM CDTSpecial Weather StatementLOTFord, Iroquois64 min
May 30, 6:09 PM CDTSpecial Marine WarningLOT51 min
May 30, 6:42 PM CDTSevere Thunderstorm WarningLOTBoone, DeKalb, Lee, McHenry, Ogle, Winnebago78 min
May 30, 2:28 PM CDTSpecial Weather StatementLOTLake47 min

Nearby

Flash Flood Watches in Illinois, 2013Flash Flood Watches in Indiana, 2013Every flash flood watch in 2013

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.