Alert archive / Illinois / Flash Flood Watches in 2019

Flash Flood Watch 6, NWS Lincoln, IL

June 17, 20198 counties in Illinois

NWS Lincoln, IL issued this flash flood watch at Jun 17, 2019, 3:26 AM CDT for 8 counties in Illinois. It took effect at Jun 17, 2019, 7:00 AM CDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Jun 17, 2019, 3:26 AM CDT (08:26 UTC)
In effect from
Jun 17, 2019, 7:00 AM CDT
Expired
Jun 18, 2019, 7:00 AM CDT
In force
24 hr
Issued by
NWS Lincoln, IL
Flood severity
None

Counties Clark County, IL, Clay County, IL, Crawford County, IL, Cumberland County, IL, Effingham County, IL, Jasper County, IL, Lawrence County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 87 km from the middle of the area, began a volume at 08:26 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 00:00Z, 8.4 hours before the alert went out and 137 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 00:00Z on 2019-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 00:00Z on 2019-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
18 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1260 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
14 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 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 16, 6:14 PM CDT, 9 hours 12 minutes earlier.

Area forecast discussion, Jun 16, 6:14 PM CDT, 9 hours 12 minutes before
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Hazardous weather outlook, Jun 16, 3:38 PM CDT, 11 hours 48 minutes before
Hazardous Weather Outlook
National Weather Service Lincoln IL
338 PM CDT Sun Jun 16 2019

ILZ027>031-037-038-171100-
Knox-Marshall-McLean-Peoria-Stark-Tazewell-Woodford-
338 PM CDT Sun Jun 16 2019

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

.DAY ONE...TONIGHT...

Minor flooding will continue along the Illinois River from Henry
through Peoria.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

Several rounds of showers and thunderstorms will occur Tuesday
night through Saturday. While it is still too early to pinpoint
any specific severe weather risks during that time, locally heavy
rainfall will be likely.

Minor flooding will continue along the Illinois River downstream
of Henry through mid week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

ILZ036-040>043-047>051-171100-
Cass-De Witt-Fulton-Logan-Mason-Menard-Morgan-Sangamon-Schuyler-
Scott-
338 PM CDT Sun Jun 16 2019

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

.DAY ONE...TONIGHT...

Isolated thunderstorms will be possible tonight: however, severe
weather is not expected.

Moderate to major flooding will continue along the Illinois River
downstream of Peoria.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

Several rounds of showers and thunderstorms will occur Monday
through Saturday. While it is still too early to pinpoint any
specific severe weather risks during that time, locally heavy
rainfall will be likely.

Moderate flooding will continue along the Illinois River from
Havana downstream through much of the week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

ILZ044>046-052>057-061-171100-
Champaign-Christian-Coles-Douglas-Edgar-Macon-Moultrie-Piatt-
Shelby-Vermilion-
338 PM CDT Sun Jun 16 2019

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

.DAY ONE...TONIGHT...

Scattered thunderstorms will be possible tonight. A few of the
storms could produce gusty winds and small hail.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

Several rounds of showers and thunderstorms will occur Monday
through Saturday. Some of the storms Monday could produce gusty
winds and hail.  While it is still too early to pinpoint any
specific severe weather risks beyond Monday, locally heavy
rainfall will be likely.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

ILZ062-063-066>068-071>073-171100-
Clark-Clay-Crawford-Cumberland-Effingham-Jasper-Lawrence-Richland-
338 PM CDT Sun Jun 16 2019

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

.DAY ONE...TONIGHT...

Scattered thunderstorms will occur through tonight. Some of the
storms could become severe early this evening, with damaging wind
gusts and large hail the primary threats.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

Several rounds of showers and thunderstorms will occur Monday
through Saturday. Some of the storms Monday could produce gusty
winds and hail.  While it is still too early to pinpoint any
specific severe weather risks beyond Monday, locally heavy
rainfall will be likely.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this evening through 10pm.

Barnes

Nearby

Flash Flood Watches in Illinois, 2019Every flash flood watch in 2019

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.