Alert archive / Illinois / Flash Flood Warnings in 2019

Flash Flood Warning 52, NWS Paducah, KY

July 16, 2019Alexander County, Pulaski County, Illinois

NWS Paducah, KY issued this flash flood warning at Jul 16, 2019, 10:22 PM CDT for Alexander County, Pulaski County, Illinois. It was in force for 6 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
Jul 16, 2019, 10:22 PM CDT (03:22 UTC)
Expired
Jul 17, 2019, 4:15 AM CDT
In force
6 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

Counties Alexander County, IL, Pulaski County, IL

The radar

The Paducah radar (KPAH), 44 km from the middle of the area, began a volume at 03:24 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

Nashville Metro, TN (KBNA), launched 00:00Z, 3.4 hours before the alert went out and 264 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, Nashville Metro, TN at 00:00Z on 2019-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Nashville Metro, TN at 00:00Z on 2019-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
8 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1571 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Paducah, KY wrote its last area forecast discussion before this flash flood warning went out at Jul 16, 7:34 PM CDT, 2 hours 48 minutes earlier.

Area forecast discussion, Jul 16, 7:34 PM CDT, 2 hours 48 minutes before
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Hazardous weather outlook, Jul 16, 4:09 PM CDT, 6 hours 13 minutes before
Hazardous Weather Outlook
National Weather Service Paducah KY
409 PM CDT Tue Jul 16 2019

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-172115-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
409 PM CDT Tue Jul 16 2019

This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.

.DAY ONE...Tonight

Scattered showers and thunderstorms are expected tonight. The
primary hazard will be locally heavy rainfall. A Flash Flood Watch
remains in effect for southeast Missouri, extreme western
Kentucky, and a small part of southern Illinois through this
evening. In addition, a few storms east of the Mississippi River
could be capable of producing a brief tornado.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

An extended period of excessive heat is anticipated Thursday
through early next week. Maximum afternoon heat index values from
around 105 to 110 degrees are expected.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 17, 3:36 PM CDTExcessive Heat WarningPAHBallard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 16 more4 days
Jul 17, 6:32 PM CDTSpecial Weather StatementPAHAlexander, Jackson, Pulaski, Union58 min
Jul 17, 6:41 PM CDTSevere Thunderstorm WarningPAHJackson, Union49 min
Jul 17, 6:57 PM CDTSevere Thunderstorm WarningPAHAlexander48 min
Jul 17, 5:25 PM CDTSevere Thunderstorm WarningPAHBollinger50 min
Jul 17, 5:37 PM CDTSpecial Weather StatementPAHCarter, Wayne38 min
Jul 17, 5:40 PM CDTSpecial Weather StatementPAHPerry50 min
Jul 17, 5:43 PM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau, Perry32 min
Jul 17, 6:10 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Perry50 min
Jul 17, 6:21 PM CDTSpecial Weather StatementPAHBollinger, Scott, Wayne54 min
Jul 17, 6:30 PM CDTAreal Flood AdvisoryPAHBollinger, Wayne3 hr

Nearby

Flash Flood Warnings in Illinois, 2019Every flash flood warning 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.