Alert archive / Illinois / Areal Flood Warnings in 2018

Areal Flood Warning 9, NWS Lincoln, IL

June 11, 2018Christian County, Shelby County, Illinois

NWS Lincoln, IL issued this areal flood warning at Jun 11, 2018, 9:05 AM CDT for Christian County, Shelby County, Illinois. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 11, 2018, 9:05 AM CDT (14:05 UTC)
Expired: Jun 11, 2018, 12:00 PM CDT
In force: 3 hr
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Flood severity: None

Counties Christian County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 80 km from the middle of the area, began a volume at 14:05 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, 2.1 hours before the alert went out and 85 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: 389 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 711 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 warning went out at Jun 11, 6:56 AM CDT, 2 hours 9 minutes earlier.

Area forecast discussion, Jun 11, 6:56 AM CDT, 2 hours 9 minutes before

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Hazardous weather outlook, Jun 11, 5:24 AM CDT, 3 hours 41 minutes before

Hazardous Weather Outlook
National Weather Service Lincoln IL
524 AM CDT Mon Jun 11 2018

ILZ027>031-036>038-040>046-048-121100-
Champaign-De Witt-Fulton-Knox-Logan-Marshall-Mason-McLean-Menard-
Peoria-Piatt-Schuyler-Stark-Tazewell-Vermilion-Woodford-
524 AM CDT Mon Jun 11 2018

This Hazardous Weather Outlook is for portions of central
Illinois, east central Illinois and west central Illinois.

.DAY ONE...TODAY AND TONIGHT...

Isolated thunderstorms are possible today and tonight across
parts of central Illinois. Severe storms are not expected, though
an isolated thunderstorm could have gusty winds and small hail
especially south of Peoria and Bloomington.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

A few thunderstorms are still possible on Tuesday. The threat of
severe storms is low, however an isolated thunderstorm could have
gusty winds and small hail. There is a chance of thunderstorms
again on Thursday and Thursday night. Isolated thunderstorms are
again possible Saturday afternoon.

Summerlike heat and humidity will return by the weekend, with
afternoon heat indices peaking in the upper 90s to near 100 degrees
from Friday through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

ILZ047-049>057-061-121100-
Cass-Christian-Coles-Douglas-Edgar-Macon-Morgan-Moultrie-Sangamon-
Scott-Shelby-
524 AM CDT Mon Jun 11 2018

...FLASH FLOOD WATCH IN EFFECT UNTIL 9 AM CDT THIS MORNING...

This Hazardous Weather Outlook is for portions of central
Illinois, east central Illinois and west central Illinois.

.DAY ONE...TODAY AND TONIGHT...

Isolated to scattered thunderstorms are expected today and
tonight. There is a marginal risk of severe thunderstorms,
especially south of I-72 with gusty winds and hail possible.
Locally heavy rains of 1 to 2 inches per hour and frequent
lightning will also be a risk.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

There is a chance of thunderstorms on Tuesday and a few
thunderstorms could become strong with gusty winds and hail
possible Tuesday afternoon. Isolated thunderstorms will be
possible Thursday afternoon into Friday and again on Saturday.

Summerlike heat and humidity will return by the weekend, with
afternoon heat indices peaking in the upper 90s to around 100
degrees from Friday through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today especially south of I-72.

ILZ062-063-066>068-071>073-121100-
Clark-Clay-Crawford-Cumberland-Effingham-Jasper-Lawrence-Richland-
524 AM CDT Mon Jun 11 2018

...FLASH FLOOD WATCH IN EFFECT UNTIL 9 AM CDT THIS MORNING...

This Hazardous Weather Outlook is for portions of east central
Illinois and southeast Illinois.

.DAY ONE...TODAY AND TONIGHT...

Scattered thunderstorms will likely occur today and tonight. There
is a marginal risk of strong to severe thunderstorms with gusty
winds and large hail possible. Locally heavy rains of 1 to 2
inches per hour and frequent lightning are also possible.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

There is a chance of thunderstorms on Tuesday into Tuesday
evening. There is a marginal risk for strong to locally severe
thunderstorms Tuesday afternoon and early Tuesday evening with
gusty winds and hail possible. Isolated thunderstorms are possible
in southeast Illinois on Thursday night and Friday and again on
Saturday.

Summerlike heat and humidity will return by the weekend, with
afternoon heat indices peaking in the upper 90s to near 100 degrees
from Friday through Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed today into early this evening.

07

In the hours before

Local storm report, Jun 11, 7:05 AM CDT, 2 hours before

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Local storm report, Jun 11, 7:06 AM CDT, 1 hour 59 minutes before

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Local storm report, Jun 11, 7:14 AM CDT, 1 hour 51 minutes before

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Local storm report, Jun 11, 7:34 AM CDT, 1 hour 31 minutes before

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Local storm report, Jun 11, 8:18 AM CDT, 47 minutes before

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Local storm report, Jun 11, 8:46 AM CDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
846 AM CDT MON JUN 11 2018

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

0700 AM     HEAVY RAIN       SHELBYVILLE             39.41N 88.80W
06/11/2018  M2.00 INCH       SHELBY             IL   CO-OP OBSERVER

&&

JRP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 7:30 PM CDT	Flash Flood Watch	ILX	Cass, Christian, Clark, Clay, Coles, Crawford and 13 more	14 hr
Jun 10, 8:38 PM CDT	River Flood Warning	ILX	Vermilion	24 hr
Jun 10, 10:37 PM CDT	Special Weather Statement	ILX	Morgan	38 min
Jun 10, 11:41 PM CDT	Special Weather Statement	ILX	Christian	49 min
Jun 11, 12:35 AM CDT	Special Weather Statement	ILX	Shelby	40 min
Jun 11, 12:53 AM CDT	Special Weather Statement	ILX	Sangamon	52 min
Jun 11, 2:17 AM CDT	Areal Flood Advisory	ILX	Cass, Christian, Morgan, Sangamon	6 hr
Jun 11, 2:35 AM CDT	Flash Flood Warning	ILX	Morgan, Sangamon	5 hr
Jun 11, 3:01 AM CDT	Special Weather Statement	ILX	Cass	44 min
Jun 11, 3:10 AM CDT	Flash Flood Warning	ILX	Christian, Moultrie, Shelby	6 hr
Jun 11, 4:05 AM CDT	Special Weather Statement	ILX	Sangamon	55 min
Jun 11, 11:07 AM CDT	River Flood Warning	ILX	Crawford, Jasper	5 days
Jun 11, 11:07 AM CDT	River Flood Warning	ILX	Lawrence	9 days
Jun 11, 2:57 PM CDT	Flash Flood Watch	ILX	Cass, Christian, Clark, Clay, Coles, Crawford and 13 more	21 hr
Jun 11, 5:57 PM CDT	Special Weather Statement	ILX	Shelby	48 min
Jun 11, 6:08 PM CDT	Severe Thunderstorm Warning	ILX	Shelby	52 min
Jun 11, 6:14 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Richland	46 min

Nearby

Areal Flood Warnings in Illinois, 2018 Every areal flood warning in 2018

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.