Alert archive / Kentucky / Flash Flood Warnings in 2020

Flash Flood Warning 66, NWS Paducah, KY

July 1, 2020Calloway County, Kentucky

NWS Paducah, KY issued this flash flood warning at Jul 1, 2020, 3:41 PM CDT for Calloway County, Kentucky. 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 1, 2020, 3:41 PM CDT (20:41 UTC)
Expired
Jul 1, 2020, 9:45 PM CDT
In force
6 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

County Calloway County, KY

The radar

The Paducah radar (KPAH), 67 km from the middle of the area, began a volume at 20:42 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 12:00Z, 8.7 hours before the alert went out and 159 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 12:00Z on 2020-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2020-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
959 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
47 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 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 1, 3:28 PM CDT, 13 minutes earlier.

Area forecast discussion, Jul 1, 3:28 PM CDT, 13 minutes before
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Hazardous weather outlook, Jul 1, 3:06 AM CDT, 12 hours 35 minutes before
Hazardous Weather Outlook
National Weather Service Paducah KY
306 AM CDT Wed Jul 1 2020

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-021000-
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-
306 AM CDT Wed Jul 1 2020

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

.DAY ONE...Today and Tonight

A Flash Flood Watch is in effect for most of southern Illinois,
southeast Missouri and west Kentucky through the evening. Refer to
the Watch for details.

There is a chance for a few severe thunderstorms today and this
evening. Damaging winds and marginally severe hail will be
possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

There is a chance of thunderstorms Thursday across all but the
Evansville Tri State area. Friday, thunderstorm chances will be
limited to the Ozark Foothills of southeast Missouri. Thunderstorm
chances return Sunday and continue into next week for most of the
area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed through tonight.

In the hours before

Local storm report, Jul 1, 2:30 PM CDT, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
230 PM CDT WED JUL 1 2020

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

0220 PM     FLASH FLOOD      MARION                  37.74N 88.94W
07/01/2020                   WILLIAMSON         IL   TRAINED SPOTTER

            MULTIPLE ROADS COVERED IN MARION.

&&

ATL
Special weather statement, Jul 1, 2:36 PM CDT, 1 hour 5 minutes before
Special Weather Statement
National Weather Service Paducah KY
236 PM CDT Wed Jul 1 2020

KYZ003-004-012000-
Carlisle KY-Ballard KY-
236 PM CDT Wed Jul 1 2020

...SIGNIFICANT WEATHER ADVISORY FOR CARLISLE AND BALLARD COUNTIES
UNTIL 300 PM CDT...

At 235 PM CDT, Doppler radar was tracking a strong thunderstorm over
Wickliffe, moving east at 15 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
La Center, Bardwell, Wickliffe, Barlow, Mound City, Lovelaceville,
Kevil and Blandville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3681 8918 3684 8918 3685 8914 3694 8910
      3697 8910 3700 8916 3703 8918 3707 8918
      3709 8916 3710 8914 3710 8888 3695 8881
      3680 8881
TIME...MOT...LOC 1935Z 272DEG 14KT 3694 8905

DWS
Special weather statement, Jul 1, 2:47 PM CDT, 54 minutes before
Special Weather Statement
National Weather Service Paducah KY
247 PM CDT Wed Jul 1 2020

ILZ090-094-KYZ005-012015-
Massac IL-Pope IL-McCracken KY-
247 PM CDT Wed Jul 1 2020

...SIGNIFICANT WEATHER ADVISORY FOR MASSAC...SOUTHERN POPE AND
MCCRACKEN COUNTIES UNTIL 315 PM CDT...

At 246 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near New Columbia to near Barkley Regional
Airport. Movement was east at 20 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Paducah, Metropolis, Lone Oak, Brookport, Barkley Regional Airport,
West Paducah and Kevil.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3695 8882 3711 8889 3733 8871 3718 8846
      3707 8854 3708 8857 3706 8855 3694 8863
TIME...MOT...LOC 1946Z 285DEG 17KT 3728 8868 3706 8887

DWS
Special weather statement, Jul 1, 3:07 PM CDT, 34 minutes before
Special Weather Statement
National Weather Service Paducah KY
307 PM CDT Wed Jul 1 2020

KYZ005-006-008-009-012100-
Marshall KY-Calloway KY-McCracken KY-Graves KY-
307 PM CDT Wed Jul 1 2020

...SIGNIFICANT WEATHER ADVISORY FOR CALLOWAY...MARSHALL...
SOUTHEASTERN MCCRACKEN AND GRAVES COUNTIES UNTIL 400 PM CDT...

At 307 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Lone Oak to near Latham. Movement was east
at 35 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Paducah, Murray, Mayfield, Benton, Calvert City, Reidland, Lone Oak,
Lynnville, Sedalia, Wingo, Hardin, Hazel, Water Valley, Lowes, New
Concord, Fancy Farm, Kirksey, Brewers, Aurora and Dukedom.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3650 8881 3705 8880 3704 8860 3702 8850
      3705 8842 3706 8834 3705 8831 3695 8821
      3669 8807 3657 8804 3650 8805
TIME...MOT...LOC 2007Z 269DEG 31KT 3701 8863 3649 8867

DWS
Local storm report, Jul 1, 3:19 PM CDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
319 PM CDT WED JUL 1 2020

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

0100 PM     FLOOD            WITTENBERG              37.65N 89.53W
07/01/2020                   PERRY              MO   EMERGENCY MNGR

            HEAVY RAIN CAUSED A SMALL LANDSLIDE OF A
            QUARTER OF AN ACRE. TIME ESTIMATED.

&&

DWS
Local storm report, Jul 1, 3:39 PM CDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:17 PM CDTSpecial Weather StatementPAHGraves43 min
Jun 30, 7:48 PM CDTAreal Flood AdvisoryPAHCrittenden3 hr
Jun 30, 8:07 PM CDTAreal Flood AdvisoryPAHCalloway, Graves3 hr
Jun 30, 8:46 PM CDTAreal Flood AdvisoryPAHChristian, Trigg6 hr
Jun 30, 8:48 PM CDTSpecial Weather StatementPAHTodd42 min
Jul 1, 1:37 PM CDTAreal Flood AdvisoryPAHFulton3 hr
Jul 1, 2:01 PM CDTSpecial Weather StatementPAHFulton, Hickman59 min
Jul 1, 2:36 PM CDTSpecial Weather StatementPAHBallard, Carlisle24 min
Jul 1, 2:42 PM CDTAreal Flood AdvisoryPAHCarlisle, Fulton, Hickman3 hr
Jul 1, 2:47 PM CDTSpecial Weather StatementPAHMcCracken28 min
Jul 1, 2:56 PM CDTAreal Flood AdvisoryPAHBallard, McCracken3 hr
Jul 1, 3:02 PM CDTAreal Flood AdvisoryPAHGraves3 hr
Jul 1, 3:07 PM CDTSpecial Weather StatementPAHCalloway, Graves, Marshall53 min
Jul 1, 3:20 PM CDTFlash Flood WarningPAHGraves3 hr
Jul 1, 3:30 PM CDTAreal Flood AdvisoryPAHCalloway, Marshall3 hr
Jul 1, 4:01 PM CDTSpecial Weather StatementPAHLyon, Trigg44 min
Jul 1, 4:40 PM CDTAreal Flood AdvisoryPAHTrigg3 hr
Jun 30, 7:40 PM CDTAreal Flood WarningPAHJohnson, Union12 hr
Jul 1, 1:17 PM CDTAreal Flood AdvisoryPAHJackson, Perry3 hr
Jul 1, 1:22 PM CDTSpecial Weather StatementPAHJackson38 min
Jul 1, 1:54 PM CDTSpecial Weather StatementPAHJefferson36 min
Jul 1, 2:28 PM CDTFlash Flood WarningPAHWilliamson56 min
Jul 1, 11:56 AM CDTSpecial Weather StatementPAHPerry49 min
Jul 1, 12:15 PM CDTSevere Thunderstorm WarningPAHBollinger, Cape Girardeau, Perry45 min
Jul 1, 12:26 PM CDTSpecial Weather StatementPAHCarter, Wayne49 min
Jul 1, 12:32 PM CDTFlash Flood WarningPAHBollinger, Perry3 hr
Jul 1, 1:01 PM CDTSpecial Weather StatementPAHMississippi29 min
Jul 1, 1:14 PM CDTSpecial Weather StatementPAHStoddard31 min

Nearby

Flash Flood Warnings in Kentucky, 2020Every flash flood warning in 2020

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.