Showers and thunderstorms pushed east across the Ohio Valley in association with an upper level disturbance passing overhead.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS ILN wrote it up.
Showers and thunderstorms pushed east across the Ohio Valley in association with an upper level disturbance passing overhead.
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 Wilmington, OH wrote its last area forecast discussion before the first event at May 26, 3:38 AM EST, 1 hour 20 minutes earlier.
AREA FORECAST DISCUSSION National Weather Service Wilmington OH 438 AM EDT Sun May 26 2019 .SYNOPSIS... Showers and thunderstorms will affect the region today as a front drops south into the area. The front will lift back north on Memorial Day keeping scattered storms in the forecast. Warm and humid conditions will be the rule into next week. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... Thunderstorm complex in western Indiana is forecast to reach western sections of the fa by 12Z. Models are suggesting that it will be weakening as it does. This initial complex should be east of the fa by noon. Additional thunderstorms are expected to develop in the afternoon ahead of a surface front dropping south into region. Have gone likely PoPs across the middle of the fa. Westerly flow around 40 kts will aid development for some organized storms. SPC has left the much of the region in a slight risk for today with strong winds and hail the main threats. Will continue the mention in the HWO. Today will be another warm and humid day. Dewpoints will remain in the mid 60s, while highs will ranging from the upper 70a in West Central Ohio to the mid to upper 80s in nrn KY. && .SHORT TERM /6 PM THIS EVENING THROUGH TUESDAY/... The front will drop south of the region before stalling near the Ohio River. Pcpn should diminish with the loss of heating. Temperatures will be a little cooler on the north side of the front, as lows will range in the lower 60s in the north to the mid 60s south. The front will lift north across the region on Monday. Expect some scattered storms to pop around the front throughout the day. Highs will one again range from the upper 70s to mid 80s. Mid level ridge builds Monday night and Tuesday, pushing the front into the Great Lakes. Storms will be sliding east through the Lakes and the southern edge could brush northern areas Monday night. Tuesday is forecast to be dry with highs in the mid to upper 80s. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... Southwest flow aloft ahead of an upper level trof will keep moist and unstable air advecting into the region. Showers and thunderstorms will develop during the day. As the upper level trof slides east Wednesday night and Thursday, showers and thunderstorms will remain a possibility. Finally by Thursday night, a cold front will push through the region, bringing an end to the active weather. Friday should be dry as high pressure ridge slides across the area, but scattered thunderstorms will be possible again by Saturday as another upper level trof slides through the Great Lakes. && .AVIATION /08Z SUNDAY THROUGH THURSDAY/... Shortwave energy ejecting downstream of an upper level trough pushing east into MO will cross northern Ohio early today. As it does, moisture profiles will exceed 1.5" and approach 2" PWAT values. This ample lift and available moisture will see thunderstorm activity begin in the north this morning, spreading slowly south later in the day with a weak surface cold front. MVFR conditions will be found briefly in thunderstorm activity, primarily this afternoon. Otherwise, VFR conditions will be found with the exception of pre-dawn MVFR vsbys at KLUK, at times dropping to LIFR or VLIFR early in the TAF period. Earlier forecast discussion is well said and remains valid reasoning with the latest TAF update: On Sunday, in a very moist airmass, aforementioned embedded energy aloft will move west to east across the region during the afternoon and evening. At the same time, frontal boundary will slowly sag south into the area. With the embedded energy aloft, increasing low level forcing with the front, and increasing diurnal instability, will result in an increase in shower/thunderstorm coverage throughout the day. Have placed some MVFR visibilities in the terminals at this time. Given moist airmass, thunderstorms will be capable of MVFR ceilings and IFR or less visibilities. However, this is too early to pinpoint at the terminals at this time. Winds will gradually shift from the southwest to the west and then eventually northwest as the front sags slowly south through the region during the afternoon and evening. Once the embedded energy moves by later Sunday evening, and with the loss of diurnal instability, coverage of showers and thunderstorms should wane. Models suggest that MVFR/IFR ceilings and visibilities may develop in the moist environment near and just behind the slow-moving frontal boundary as it drifts toward the Ohio River. OUTLOOK...MVFR/IFR ceilings and visibilities possible Monday morning. Thunderstorms possible at times Monday, then again Wednesday and Thursday. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...None. KY...None. IN...None. && SYNOPSIS...AR/Sites NEAR TERM...Sites SHORT TERM...Sites LONG TERM...Sites AVIATION...Franks
Hazardous Weather Outlook National Weather Service Wilmington OH 501 AM EDT Sun May 26 2019 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046- 051>056-060>065-070>074-077>082-088-270915- Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Ohio- Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant- Pendleton-Bracken-Robertson-Mason-Lewis-Hardin-Mercer-Auglaize-Darke- Shelby-Logan-Union OH-Delaware-Miami-Champaign-Clark-Madison- Franklin OH-Licking-Preble-Montgomery-Greene-Fayette OH-Pickaway- Fairfield-Butler-Warren-Clinton-Ross-Hocking-Hamilton-Clermont-Brown- Highland-Adams-Pike-Scioto- 501 AM EDT Sun May 26 2019 This Hazardous Weather Outlook is for East Central Indiana, Southeast Indiana, Northeast Kentucky, Northern Kentucky, Central Ohio, South Central Ohio, Southwest Ohio and West Central Ohio. .DAY ONE...Today and tonight. Showers and thunderstorms will affect the region today. Damaging winds and large hail will be a possibility with these storms. Heavy rainfall will be a concern, resulting in potential flooding issues. .DAYS TWO THROUGH SEVEN...Monday through Saturday. An isolated strong to severe thunderstorm will be possible Monday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed.
Special Weather Statement
National Weather Service Wilmington OH
514 AM EDT Sun May 26 2019
OHZ034-260945-
Mercer OH-
514 AM EDT Sun May 26 2019
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT MERCER COUNTY UNTIL 545
AM EDT...
At 514 AM EDT, radar indicated strong thunderstorms along a line
extending from Monroeville to Berne to Pennville, moving east at 40
mph.
STORM HAZARDS INCLUDE...
Winds to 40 mph...
Locations impacted include...
Celina, Coldwater, St. Henry, Fort Recovery, Rockford, Wabash,
Mendon, Burkettsville, Montezuma, Chattanooga, Tama, Neptune and
Carthagena.
To report hazardous weather conditions, go to our website at
weather.gov/iln and submit your report via social media, when you can
do so safely.
LAT...LON 4073 8446 4048 8446 4035 8458 4035 8480
4073 8480
TIME...MOT...LOC 0914Z 283DEG 35KT 4095 8486 4067 8493 4047 8512
FranksSpecial Weather Statement National Weather Service Wilmington OH 542 AM EDT Sun May 26 2019 OHZ034-035-042-043-051-261015- Auglaize OH-Darke OH-Shelby OH-Mercer OH-Miami OH- 542 AM EDT Sun May 26 2019 ...A LINE OF STRONG THUNDERSTORMS WILL AFFECT WESTERN SHELBY... DARKE...SOUTHWESTERN AUGLAIZE...SOUTHEASTERN MERCER AND WESTERN MIAMI COUNTIES UNTIL 615 AM EDT... At 542 AM EDT, radar indicated strong thunderstorms along a line extending from near Union City to near Fountain City, moving east at 40 mph. STORM HAZARDS INCLUDE... Winds to 40 mph... Locations impacted include... Piqua, Greenville, West Milton, New Bremen, Minster, Versailles, Covington, Arcanum, Newport, Bradford, Union City, Fort Loramie, Pleasant Hill, Ansonia, New Madison, Union, Webster, Wayne Lakes, Russia and Gettysburg. To report hazardous weather conditions, go to our website at weather.gov/iln and submit your report via social media, when you can do so safely. LAT...LON 4048 8428 3992 8428 3992 8481 4035 8480 TIME...MOT...LOC 0942Z 260DEG 33KT 4027 8482 3999 8482 Franks
The Cincinnati radar (KILN), 111 km away, was scanning. The volume nearest the first event began at 09:57 UTC.
9 thunderstorm wind. Local standard time, as filed.
Trees fell onto Wildcat Road, causing a car accident.
Trees were downed onto Childrens Home-Bradford Road.
A tree fell onto a house in Piqua.
Trees and power lines were downed at the intersection of State Route 47 and Herring Road.
A tree was downed.
A tree was downed.
Multiple utility poles were downed, causing a road closure at the intersection of Jerome Road and Blaney Road.
A few trees and power lines were downed.
Two small trees were downed along with several large branches from larger trees.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2019Every state in 2019This day in weather historyWarnings in Ohio, May 2019
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: 817236, 817237, 817239, 817241, 817244, 817245, 817248, 817252, 817251.