Alert archive / Illinois / Flash Flood Watches in 2010

Flash Flood Watch 7, NWS Lincoln, IL

June 15, 201010 counties in Illinois

NWS Lincoln, IL issued this flash flood watch at Jun 15, 2010, 9:51 AM CDT for 10 counties in Illinois. It took effect at Jun 15, 2010, 12:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jun 15, 2010, 9:51 AM CDT (14:51 UTC)
In effect from: Jun 15, 2010, 12:00 PM CDT
Expired: Jun 15, 2010, 8:02 PM CDT
In force: 8 hr
Issued by: NWS Lincoln, IL
Flood severity: None

Counties Champaign County, IL, Clark County, IL, Coles County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Moultrie County, IL, Piatt County, IL, Shelby County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 108 km from the middle of the area, began a volume at 14:54 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.9 hours before the alert went out and 60 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: 630 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 482 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

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 Lincoln, IL wrote its last area forecast discussion before this flash flood watch went out at Jun 15, 6:15 AM CDT, 3 hours 36 minutes earlier.

Area forecast discussion, Jun 15, 6:15 AM CDT, 3 hours 36 minutes before

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Hazardous weather outlook, Jun 15, 6:00 AM CDT, 3 hours 51 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.
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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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 12:02 PM CDT	Severe Thunderstorm Warning	ILX	Cumberland, Effingham, Jasper, Shelby	58 min
Jun 15, 12:15 PM CDT	Special Weather Statement	ILX	Coles, Edgar	60 min
Jun 15, 12:56 PM CDT	Special Weather Statement	ILX	Clark	64 min
Jun 15, 1:03 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Cumberland, Edgar	57 min
Jun 15, 1:44 PM CDT	Special Weather Statement	ILX	Clark	61 min
Jun 15, 1:50 PM CDT	Special Weather Statement	ILX	Crawford	55 min
Jun 15, 1:56 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford, Cumberland, Jasper	64 min
Jun 15, 2:23 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Jasper	55 min
Jun 15, 2:43 PM CDT	Areal Flood Advisory	ILX	Knox	4 hr
Jun 15, 3:02 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham	58 min
Jun 15, 3:22 PM CDT	Flash Flood Warning	ILX	Christian, Logan, Morgan, Sangamon	5 hr
Jun 15, 3:37 PM CDT	Flash Flood Warning	ILX	Clay, Effingham	5 hr
Jun 15, 3:45 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Crawford, Cumberland, Jasper	60 min
Jun 15, 3:50 PM CDT	Areal Flood Advisory	ILX	DeWitt, Logan, McLean, Macon	3 hr
Jun 15, 3:56 PM CDT	Flash Flood Warning	ILX	Cumberland, Jasper	4 hr
Jun 15, 4:00 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Cumberland, Effingham, Richland, Shelby	42 min
Jun 15, 4:07 PM CDT	Flash Flood Warning	ILX	DeWitt, Logan, McLean, Macon	3 hr
Jun 15, 4:30 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Edgar	48 min
Jun 15, 4:32 PM CDT	Areal Flood Advisory	ILX	Champaign, Christian, DeWitt, Logan, McLean, Macon and 2 more	3 hr
Jun 15, 4:37 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford, Cumberland, Jasper, Lawrence	36 min
Jun 15, 4:42 PM CDT	Flash Flood Warning	ILX	Clark, Crawford	4 hr
Jun 15, 4:50 PM CDT	Special Weather Statement	ILX	Champaign, Douglas, Piatt	55 min
Jun 15, 5:34 PM CDT	Special Weather Statement	ILX	Champaign, Vermilion	56 min

Nearby

Flash Flood Watches in Illinois, 2010 Every flash flood watch in 2010

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.