Alert archive / Illinois / Areal Flood Advisories in 2016

Areal Flood Advisory 13, NWS Lincoln, IL

August 15, 2016Clark County, Edgar County, Illinois

NWS Lincoln, IL issued this areal flood advisory at Aug 15, 2016, 12:44 PM CDT for Clark County, Edgar County, Illinois. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 15, 2016, 12:44 PM CDT (17:44 UTC)
Expired
Aug 15, 2016, 3:45 PM CDT
In force
3 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties Clark County, IL, Edgar County, IL

The radar

The Indianapolis radar (KIND), 129 km from the middle of the area, began a volume at 17:43 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, 5.7 hours before the alert went out and 101 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, Lincoln, IL at 12:00Z on 2016-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 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, Lincoln, IL at 12:00Z on 2016-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.193958Sfc1 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
36 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
101 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 areal flood 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 areal flood advisory went out at Aug 15, 12:22 PM CDT, 22 minutes earlier.

Area forecast discussion, Aug 15, 12:22 PM CDT, 22 minutes before
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Hazardous weather outlook, Aug 15, 11:28 AM CDT, 1 hour 16 minutes before
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In the hours before

Local storm report, Aug 15, 9:13 AM CDT, 3 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
913 AM CDT MON AUG 15 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0730 AM     HEAVY RAIN       CASEY                   39.30N 87.99W
08/15/2016  M1.57 INCH       CLARK              IL   CO-OP OBSERVER

&&

JRP
Local storm report, Aug 15, 9:16 AM CDT, 3 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
916 AM CDT MON AUG 15 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       NEOGA                   39.32N 88.45W
08/15/2016  M1.32 INCH       CUMBERLAND         IL   CO-OP OBSERVER

&&

JRP
Local storm report, Aug 15, 10:04 AM CDT, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
1004 AM CDT MON AUG 15 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0952 AM     HEAVY RAIN       MORRISONVILLE           39.42N 89.46W
08/15/2016  M1.15 INCH       CHRISTIAN          IL   PUBLIC

            .

&&

GEELHART
Local storm report, Aug 15, 10:52 AM CDT, 1 hour 52 minutes before
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Local storm report, Aug 15, 11:53 AM CDT, 51 minutes before
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Local storm report, Aug 15, 12:25 PM CDT, 19 minutes before
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<body>
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      <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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      <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.

IssuedProductOfficeCountiesLasted
Aug 15, 9:55 AM CDTAreal Flood AdvisoryILXColes3 hr
Aug 15, 10:27 AM CDTRiver Flood WarningILXLawrence4 days
Aug 15, 11:00 AM CDTAreal Flood AdvisoryILXChampaign, Douglas3 hr

Nearby

Areal Flood Advisories in Illinois, 2016Every areal flood 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.