A weak cold front over eastern Missouri triggered numerous showers and thunderstorms. Some of these storms were very slow-moving and produced copious amounts of rain.
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The episode as NWS PAH wrote it up.
A weak cold front over eastern Missouri triggered numerous showers and thunderstorms. Some of these storms were very slow-moving and produced copious amounts of rain.
The local office's own words before the first event, 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 the first event at Jun 4, 1:04 PM CST, 2 hours 41 minutes earlier.
Area Forecast Discussion National Weather Service Paducah KY 204 PM CDT Sun Jun 4 2017 .SHORT TERM...(Tonight through Tuesday night) Issued at 138 PM CDT Sun Jun 4 2017 The first 24 hours of the period will feature a weak, nearly stationary surface boundary north of the region, with a trof of low pressure aloft situated from the mid MS River Valley southwest into the southern Plains. Moist southerly flow around the eastern periphery of the upper low will continue to move north/northeast into the forecast area tonight into Monday. Scattered to numerous showers and thunderstorms will be common place, with highest chances over western KY, where better forcing should develop/persist. Very meager shear aloft should preclude much of an organized storm threat, but high PW values could lead to some locally heavy rainfall. Will linger Pops along/ahead of the sfc boundary thru the day Monday, but rain chances should diminish Monday night into Tuesday as northwest flow aloft will finally become established and push of the sfc boundary southeast through the area. Finally, for Tuesday-Tuesday night, we see a more vigorous blast of cooler/drier air incoming behind the front, as the primary upper vortex sits/spins over the Great Lakes, and drives a reinforcing and refreshing blast of Canadian air well to the south/across the bulk of the Ohio river valley. A 15 to 20F drop in dew points in the 24 hour period from Monday to Tuesday will signal this refreshing change to our early June airmass. .LONG TERM...(Wednesday through Sunday) Issued at 138 PM CDT Sun Jun 4 2017 Fairly high confidence through the work week...decreasing as the we head into the weekend. Surface high pressure will dominate the weather pattern through the week. This is accompanied with a northwest flow aloft. This combination will cut off any Gulf moisture influx. Also in the wake of the cold front much drier air will in place at the start of the extended...complimented with a strong inversion aloft. This should negate any convection through most of the week. The one thing that has changed from previous runs which generated some precipitation Friday into Friday night via operational models...have now backed off a great deal. They are still trying to bring a front or trough to the area but the retreating high over the eastern seaboard tries to retrograde back toward the lower Ohio Valley. This combined with fairly low moisture supply will work to curtail anything that tries to fire. I could easily expect to see some fluctuations with the solutions from Friday into the weekend but prior to that the forecast seems very sound. There will be slow warming trend in the extended. Highs will start out in the 70s Wednesday and warm to near normal by the end of the week and possibly slightly above normal by Sunday. && .AVIATION... Issued at 145 PM CDT Sun Jun 4 2017 Ongoing isolated to sct convection now taking place over the western tip of KY will likely continue well into the evening tonight and possibly through much of the 18Z TAF period. Outside of any convection, VFR conditions will likely prevail with light and variable winds. && .PAH WATCHES/WARNINGS/ADVISORIES... IL...None. MO...None. IN...None. KY...None. && SHORT TERM...GM LONG TERM...KH
Hazardous Weather Outlook National Weather Service Paducah KY 307 AM CDT Sun Jun 4 2017 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-051000- 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- 307 AM CDT Sun Jun 4 2017 This Hazardous Weather Outlook is for portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. .DAY ONE...Today and Tonight A chance of thunderstorms is best today during the heat of the day, but any time chances will bring as its primary hazards locally heavy rain and lightning. .DAYS TWO THROUGH SEVEN...Monday through Saturday Lingering thunderstorm chances exist Monday, until a cold front can make passage. Locally heavy rain and lightning will remain the primary storm hazards until the front's passage brings an end to the chance of storms. A chance of thunderstorms returns to the forecast over part of the outlook area Friday and Friday Night. At this time, it appears that any storms that develop should remain below severe limits. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
241 PM CDT SUN JUN 04 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0239 PM HEAVY RAIN 2 N JEFFERSONVILLE 38.47N 88.40W
06/04/2017 U0.00 INCH WAYNE IL TRAINED SPOTTER
STANDING WATER ALONG PORTIONS OF HIGHWAY 45 JUST NORTH OF
COMMUNITY.
&&
SMITTYPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PADUCAH KY
258 PM CDT SUN JUN 04 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0248 PM HEAVY RAIN DIX 38.44N 88.94W
06/04/2017 M1.80 INCH JEFFERSON IL TRAINED SPOTTER
REPORTED JUST SOUTH OF HIGHWAY 37.
&&
SMITTYThe national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Water was over portions of a secondary road northwest of Manitou. Small streams were flooded in the Manitou area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Kentucky in 2017Every state in 2017This day in weather historyWarnings in Kentucky, June 2017
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 700653.