Alert archive / Indiana / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 131, NWS Wilmington, OH

August 25, 2018Boone County, Kentucky; Dearborn County, Ohio County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 25, 2018, 8:03 PM EDT for Boone County, Kentucky; Dearborn County, Ohio County, Indiana. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 25, 2018, 8:03 PM EDT (00:03 UTC)
Expired
Aug 25, 2018, 8:30 PM EDT
In force
27 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Dearborn County, IN, Ohio County, IN, Boone County, KY

The radar

The Cincinnati radar (KILN), 102 km from the middle of the area, began a volume at 00:06 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

Lincoln, IL (KILX), launched 00:00Z, 0.1 hours before the alert went out and 342 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, Lincoln, IL at 00:00Z on 2018-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2353 joules per kilogram.LCLEL10008507005003002001001 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, Lincoln, IL at 00:00Z on 2018-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
2353 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1453 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
174 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 severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 25, 7:53 PM EDT, 10 minutes earlier.

Area forecast discussion, Aug 25, 7:53 PM EDT, 10 minutes before
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Hazardous weather outlook, Aug 25, 3:40 AM EDT, 16 hours 23 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
340 AM EDT Sat Aug 25 2018

INZ050-058-059-066-073>075-080-KYZ089>096-OHZ034-035-042-043-051-060-
061-070-071-077-078-261200-
Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Ohio-
Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-
Pendleton-Mercer-Auglaize-Darke-Shelby-Miami-Preble-Montgomery-
Butler-Warren-Hamilton-Clermont-
340 AM EDT Sat Aug 25 2018

This Hazardous Weather Outlook is for East Central Indiana,
Southeast Indiana, Northern Kentucky, Southwest Ohio and West
Central Ohio.

.DAY ONE...Today and Tonight.

There is a low probability for widespread hazardous weather.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Heat and humidity will return for the beginning of next week. Heat
indicies are forecast to range from the mid to upper 90s Sunday,
with upper 90s to near 100 expected for Monday and Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

KYZ097>100-OHZ026-044>046-052>056-062>065-072>074-079>082-088-261200-
Bracken-Robertson-Mason-Lewis-Hardin-Logan-Union OH-Delaware-
Champaign-Clark-Madison-Franklin OH-Licking-Greene-Fayette OH-
Pickaway-Fairfield-Clinton-Ross-Hocking-Brown-Highland-Adams-Pike-
Scioto-
340 AM EDT Sat Aug 25 2018

This Hazardous Weather Outlook is for Northeast Kentucky, Northern
Kentucky, Central Ohio, South Central Ohio, Southwest Ohio and West
Central Ohio.

.DAY ONE...Today and Tonight.

There is a low probability for widespread hazardous weather.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Heat and humidity will return for the beginning of next week. Heat
indicies are forecast to range from the upper 90s to near 100 Monday
and Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 25, 5:20 PM EDT, 2 hours 43 minutes before
Special Weather Statement
National Weather Service Wilmington OH
520 PM EDT SAT AUG 25 2018

OHZ042-051-060-061-252145-
Montgomery OH-Darke OH-Preble OH-Miami OH-
520 PM EDT SAT AUG 25 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN PREBLE...
SOUTHEASTERN DARKE...NORTHWESTERN MONTGOMERY AND SOUTHWESTERN MIAMI
COUNTIES UNTIL 545 PM EDT...

At 520 PM EDT, radar indicated a strong thunderstorm near Arcanum,
moving east at 45 mph.

STORM HAZARDS INCLUDE...
Winds to 45 mph...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Dayton, Troy, Trotwood, Vandalia, Englewood, West Milton, Arcanum,
Lewisburg, Pleasant Hill, New Madison, Clayton, Union, Brookville,
Wayne Lakes, Phillipsburg, Eldorado, Verona, West Manchester, Laura
and Pitsburg.

This includes the following Interstates...
 I-70 in Ohio between mile markers 20 and 31.
 I-75 in Ohio between mile markers 72 and 76.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when a thunderstorm approaches.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

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 3986 8470 4005 8471 4008 8422 3982 8424
TIME...MOT...LOC 2120Z 276DEG 41KT 3994 8460

KC
Special weather statement, Aug 25, 5:43 PM EDT, 2 hours 20 minutes before
Special Weather Statement
National Weather Service Wilmington OH
543 PM EDT SAT AUG 25 2018

OHZ051-053-061-062-252215-
Montgomery OH-Clark OH-Greene OH-Miami OH-
543 PM EDT SAT AUG 25 2018

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL CLARK...
NORTHWESTERN GREENE...NORTHERN MONTGOMERY AND SOUTHERN MIAMI COUNTIES
UNTIL 615 PM EDT...

At 543 PM EDT, radar indicated a strong thunderstorm over Englewood,
moving east at 45 mph.

STORM HAZARDS INCLUDE...
Winds to 45 mph...
Pea size hail...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Dayton, Beavercreek, Huber Heights, Fairborn, Trotwood, Vandalia,
Englewood, Tipp City, New Carlisle, West Milton, Wright-Patterson
Afb, Enon, Brown, Riverside, Clayton, Union, Brookville, Shiloh,
Phillipsburg and Donnelsville.

This includes the following Interstates...
 I-70 in Ohio between mile markers 20 and 48.
 I-75 in Ohio between mile markers 54 and 67.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when a thunderstorm approaches.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

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 3996 8441 3994 8391 3972 8399 3981 8446
TIME...MOT...LOC 2143Z 276DEG 40KT 3987 8431

KC
Special weather statement, Aug 25, 6:15 PM EDT, 1 hour 48 minutes before
Special Weather Statement
National Weather Service Wilmington OH
615 PM EDT SAT AUG 25 2018

INZ058-066-252300-
Fayette IN-Franklin IN-
615 PM EDT SAT AUG 25 2018

...A STRONG THUNDERSTORM WILL AFFECT WESTERN FRANKLIN AND SOUTHERN
FAYETTE COUNTIES UNTIL 700 PM EDT...

At 615 PM EDT, radar indicated a strong thunderstorm near Rushville,
moving east at 40 mph.

STORM HAZARDS INCLUDE...
Winds to 40 mph...
Pea size hail...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Connersville, Oldenburg, Glenwood, Lake Santee, Blooming Grove,
Columbia, Metamora, Bunker Hill, Laurel, Alquina, Andersonville,
Hamburg, Alpine, Nulltown, Peppertown, Everton, Saint Peter and Buena
Vista.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when a thunderstorm approaches.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

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 3963 8504 3931 8503 3936 8530 3966 8530
TIME...MOT...LOC 2215Z 286DEG 36KT 3960 8539

KC
Special weather statement, Aug 25, 6:41 PM EDT, 1 hour 22 minutes before
Special Weather Statement
National Weather Service Wilmington OH
641 PM EDT SAT AUG 25 2018

OHZ062>064-072-252315-
Fayette OH-Clinton OH-Pickaway OH-Greene OH-
641 PM EDT SAT AUG 25 2018

...A STRONG THUNDERSTORM WILL AFFECT FAYETTE...NORTHEASTERN
CLINTON...WEST CENTRAL PICKAWAY AND SOUTHEASTERN GREENE COUNTIES
UNTIL 715 PM EDT...

At 641 PM EDT, radar indicated a strong thunderstorm over
Jeffersonville, moving east at 45 mph.

STORM HAZARDS INCLUDE...
Winds to 40 mph...
Pea size hail...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Washington Court House, Jamestown, Jeffersonville, Bloomingburg, New
Holland, Staunton, Good Hope, Bowersville, Milledgeville, Octa,
Paintersville, Deer Creek Lake, Interstate 71 at State Route 38,
Rosemoor, Jasper Mills, Madison Mills, Rock Mills, Gladstone,
Bookwalter and Bell Center.

This includes I-71 in Ohio between mile markers 58 and 75.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when a thunderstorm approaches.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

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 3965 8315 3941 8335 3960 8386 3977 8372
      3976 8365 3972 8365 3970 8341
TIME...MOT...LOC 2241Z 287DEG 40KT 3962 8355

KC
Special weather statement, Aug 25, 6:54 PM EDT, 1 hour 9 minutes before
Special Weather Statement
National Weather Service Wilmington OH
654 PM EDT SAT AUG 25 2018

INZ066-073-252345-
Franklin IN-Ripley IN-
654 PM EDT SAT AUG 25 2018

...A STRONG THUNDERSTORM WILL AFFECT WESTERN FRANKLIN AND NORTHERN
RIPLEY COUNTIES UNTIL 745 PM EDT...

At 654 PM EDT, radar indicated a strong thunderstorm over Lake
Santee, moving southeast at 45 mph.

STORM HAZARDS INCLUDE...
Winds to 50 mph...
Pea size hail...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Batesville, Milan, Osgood, Oldenburg, Moores Hill, Lake Santee,
Sunman, Metamora, Laurel, Napoleon, Millhousen, Andersonville,
Huntersville, Hamburg, Ballstown, Penntown, Interstate 74 at State
Route 101, Peppertown, Otter Village and Buena Vista.

This includes I-74 in Indiana between mile markers 145 and 157.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when a thunderstorm approaches.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

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 3927 8530 3953 8530 3953 8520 3938 8507
      3931 8507 3910 8510 3910 8543 3913 8544
      3920 8544
TIME...MOT...LOC 2254Z 301DEG 41KT 3940 8534

KC

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 26, 7:19 AM EDTSpecial Weather StatementILNDelaware26 min
Aug 26, 7:37 AM EDTSpecial Weather StatementILNClinton23 min
Aug 26, 8:18 AM EDTSpecial Weather StatementILNScioto27 min
Aug 26, 8:21 AM EDTSpecial Weather StatementILNHighland24 min
Aug 26, 8:46 AM EDTSpecial Weather StatementILNPike29 min
Aug 26, 9:10 AM EDTAreal Flood AdvisoryILNHighland, Pike, Ross87 min
Aug 26, 5:56 PM EDTSpecial Weather StatementILNClinton19 min
Aug 26, 6:07 PM EDTSpecial Weather StatementILNFranklin23 min
Aug 26, 6:19 PM EDTSevere Thunderstorm WarningILNHocking, Pickaway, Ross41 min
Aug 26, 6:49 PM EDTSevere Thunderstorm WarningILNPickaway26 min
Aug 26, 6:53 PM EDTSpecial Weather StatementILNFairfield37 min
Aug 26, 7:00 PM EDTSpecial Weather StatementILNPickaway30 min
Aug 26, 7:00 PM EDTSevere Thunderstorm WarningILNHighland26 min
Aug 26, 7:05 PM EDTSpecial Weather StatementILNFairfield25 min
Aug 26, 7:32 PM EDTSpecial Weather StatementILNFairfield28 min
Aug 25, 8:26 PM EDTSpecial Weather StatementILNBoone34 min
Aug 25, 8:30 PM EDTSevere Thunderstorm WarningILNBoone, Gallatin23 min
Aug 25, 8:52 PM EDTSpecial Weather StatementILNGrant23 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2018Severe Thunderstorm Warnings in Kentucky, 2018Every severe thunderstorm warning in 2018

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.