Showers and thunderstorms developed ahead of a cold front moving through the Ohio Valley.
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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 developed ahead of a cold front moving through the Ohio Valley.
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 Jul 17, 8:46 AM EST, 3 hours 52 minutes earlier.
AREA FORECAST DISCUSSION National Weather Service Wilmington OH 946 AM EDT Wed Jul 17 2024 .SYNOPSIS... A cold front will move through today. Cooler and drier conditions will then move into the area for several days. && .NEAR TERM /UNTIL 8 PM THIS EVENING/... Current satellite and mosaic radar loops show tight/compact MCV over Kentucky about to cross into West Virginia. Rain associated with this system has rapidly dissipated this morning so this morning's update was focused on near term rain chances (lowering) as satellite data indicates we have a little time before showers/storms re-initiate with the cold frontal / upper trough passage later this morning and primarily this afternoon. Boundary layer flow will be veering with time this morning due to the positive tilt nature of the mid and upper trough, but enough height falls impinging on a 1.75-2.00" PWAT ribbon over the southeast half of the ILN forecast area, should be enough to allow scattered showers and storms to increase in coverage once the convective temps (around 80F) are breached and low level forcing from the front arrives. 17.12Z KILN sounding is rather moist, with weak mid lapse rates aloft, and weak effective shear. However, flow aloft will increase a bit as the trough approaches and moves through, so a localized gusty storm can't be ruled out at the peak of the heating cycle...most likely in central Ohio but perhaps further southwest along and east of I-71 into south- central Ohio or northeast Kentucky. Modest forecast DCAPE (owing to rather moist troposphere and lapse rates) should keep threat quite limited. Probably one of those days when looking at the radar in an instantaneous fashion would suggest a 20-40% PoP would be warranted, but over time should be rather good coverage in a bulk sense considering increasing flow aloft, especially southeast 2/3 of the forecast area, so maintained 60-70% rain chances in the peak of the afternoon especially along and southeast of I-71. Should see a rather quick decrease in shower/storm coverage by mid-evening owing to drying and front shifting out of the area. && .SHORT TERM /8 PM THIS EVENING THROUGH 6 PM THURSDAY/... Precipitation will taper off during the first half of the night tonight as the cold front pushes east of the area. Cooler and drier conditions will then move into the area. With low temperatures tonight, some area locations will drop down into the 50s, while others will be in the 60s. High temperatures on Thursday will be in the 70s to around 80 degrees. With CAA on Thursday, expect cu to develop. && .LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/... Surface high pressure will slide slowly east across the southern Great Lakes and upper Ohio Valley through the weekend. This will lead to dry conditions and slightly moderating temperatures. Highs on Friday will be in the upper 70s to lower 80s, increasing to highs in the low to mid 80s by Sunday. Mid level troughing over the central US will shift slowly east through early next week. As it does the surface high will weaken across our area as moisture begins to increase from the the south. This will result in increasing chances for showers/thunderstorms from south to north across the area Monday into Tuesday. Highs both Monday and Tuesday will be mainly in the low to mid 80s. && .AVIATION /14Z WEDNESDAY THROUGH SUNDAY/... There will be some isolated to scattered shower activity around this morning. Handled this with a vcsh and shra mention. There are some MVFR cigs that will continue to move into portions of the region for a few hours this morning. A cold front will approach and then move through today. This will allow for showers and thunderstorms at times until the passage of this feature. There will also be a wind shift with the front. OUTLOOK...No significant weather is expected at this time. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...None. KY...None. IN...None. && SYNOPSIS... NEAR TERM...Binau SHORT TERM... LONG TERM...JGL AVIATION...
Hazardous Weather Outlook National Weather Service Wilmington OH 424 AM EDT Wed Jul 17 2024 INZ050-058-059-066-073>075-080-KYZ089>096-OHZ026-034-035-042>046- 051>056-060>065-070>072-077-078-180930- Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Ohio-Switzerland- Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-Pendleton-Hardin- Mercer-Auglaize-Darke-Shelby-Logan-Delaware-Miami-Champaign-Clark- Madison-Licking-Preble-Montgomery-Greene-Pickaway-Fairfield-Butler- Warren-Clinton-Hamilton-Clermont- 424 AM EDT Wed Jul 17 2024 This Hazardous Weather Outlook is for east central Indiana, southeast Indiana, northern Kentucky, central Ohio, southwest Ohio and west central Ohio. .DAY ONE...Today and tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. KYZ097>100-OHZ073-074-079>082-088-180930- Bracken-Robertson-Mason-Lewis-Ross-Hocking-Brown-Highland-Adams-Pike- Scioto- 424 AM EDT Wed Jul 17 2024 This Hazardous Weather Outlook is for northeast Kentucky, northern Kentucky, central Ohio, south central Ohio and southwest Ohio. .DAY ONE...Today and tonight. Isolated strong to severe storms will be possible this afternoon. Damaging winds will be the primary threat. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. There is a low probability for widespread hazardous weather. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
Special Weather Statement
National Weather Service Wilmington OH
118 PM EDT Wed Jul 17 2024
OHZ035-043-171745-
Auglaize OH-Shelby OH-
118 PM EDT Wed Jul 17 2024
...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN SHELBY
AND SOUTHWESTERN AUGLAIZE COUNTIES THROUGH 145 PM EDT...
At 117 PM EDT, a strong thunderstorm was located over New Bremen,
moving southeast at 25 mph.
HAZARD...Wind gusts up to 40 mph, half inch hail, and frequent
cloud-to-ground lightning.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Hail may cause minor damage to
vegetation. Lightning can cause serious injury or death.
Locations impacted include...
Sidney, New Bremen, Minster, Anna, Fort Loramie, Botkins,
Kettlersville, Mccartyville, Egypt, Swanders, and Lake Loramie State
Park.
This includes I-75 in Ohio between mile markers 97 and 103.
If outdoors, consider seeking shelter inside a sturdy building.
When thunder roars, go indoors! Do not stay in the open or seek
shelter under trees when lightning threatens.
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 4038 8445 4047 8442 4044 8411 4029 8419
TIME...MOT...LOC 1717Z 293DEG 20KT 4043 8437
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
BPPThe Cincinnati radar (KILN), 110 km away, was scanning. The volume nearest the first event began at 17:36 UTC.
5 thunderstorm wind. Local standard time, as filed.
A tree fell onto a road.
A tree was downed.
A few trees were downed.
An eight inch diameter tree was downed along Arapaho Avenue.
A tree was downed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2024Every state in 2024This day in weather historyWarnings in Ohio, July 2024
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: 1191361, 1191362, 1191363, 1191365, 1191367.