Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 107, NWS Wilmington, OH

May 19, 2017Clark County, Greene County, Madison County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at May 19, 2017, 1:59 AM EDT for Clark County, Greene County, Madison County, Ohio. It was in force for 31 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: May 19, 2017, 1:59 AM EDT (05:59 UTC)
Expired: May 19, 2017, 2:30 AM EDT
In force: 31 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clark County, OH, Greene County, OH, Madison County, OH

The radar

The Cincinnati radar (KILN), 47 km from the middle of the area, began a volume at 06:00 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.0 hours before the alert went out and 46 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1869 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1266 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 5.7

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 May 18, 10:12 PM EDT, 3 hours 47 minutes earlier.

Area forecast discussion, May 18, 10:12 PM EDT, 3 hours 47 minutes before

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Hazardous weather outlook, May 18, 8:31 PM EDT, 5 hours 28 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington OH
831 PM EDT Thu May 18 2017

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-200045-
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-
831 PM EDT Thu May 18 2017

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

.DAY ONE...Tonight.

There is a low probability for widespread hazardous weather.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, May 18, 10:16 PM EDT, 3 hours 43 minutes before

Special Weather Statement
National Weather Service Wilmington OH
1016 PM EDT THU MAY 18 2017

OHZ034-035-044-190300-
Auglaize OH-Logan OH-Mercer OH-
1016 PM EDT THU MAY 18 2017

...STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN LOGAN...AUGLAIZE
AND CENTRAL MERCER COUNTIES UNTIL 1100 PM EDT...

At 1015 PM EDT, radar indicated strong thunderstorms near Coldwater,
moving east at 45 mph.

STORM HAZARDS INCLUDE...
Winds to 40 mph...
Very heavy rain...

Locations impacted include...
Celina, Wapakoneta, St. Marys, Coldwater, Fort Shawnee, Cridersville,
New Knoxville, Waynesfield, Chippewa Park, Moulton, Wabash, Buckland,
Uniopolis, Montezuma, Fryburg, St. Johns, Neptune, Bulkhead and New
Hampshire.

This includes I-75 in Ohio between mile markers 106 and 118.

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 4064 8411 4064 8388 4053 8388 4053 8386
      4051 8386 4048 8423 4048 8434 4047 8434
      4043 8480 4061 8480 4066 8415 4066 8411
TIME...MOT...LOC 0215Z 272DEG 41KT 4052 8469

Coniglio

Special weather statement, May 18, 10:36 PM EDT, 3 hours 23 minutes before

Special Weather Statement
National Weather Service Wilmington OH
1036 PM EDT THU MAY 18 2017

OHZ026-190315-
Hardin OH-
1036 PM EDT THU MAY 18 2017

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN HARDIN COUNTY UNTIL
1115 PM EDT...

At 1035 PM EDT, radar indicated a strong thunderstorm near Belle
Center, moving east at 45 mph.

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

Locations impacted include...
Kenton, Roundhead, Mount Victory, Ridgeway, Hepburn, Silver Creek,
Mentzer, Jumbo, Pfeiffer, Walton and State Route 195 at State Route
235.

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 4050 8342 4050 8352 4051 8356 4053 8388
      4065 8388 4066 8342
TIME...MOT...LOC 0235Z 272DEG 49KT 4056 8368

Coniglio

Local storm report, May 18, 11:35 PM EDT, 2 hours 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
1135 PM EDT THU MAY 18 2017

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

1124 PM     FLOOD            5 SSE KENTON            40.58N 83.56W
05/18/2017                   HARDIN             OH   TRAINED SPOTTER

            MINOR STREET FLOODING.

&&

Special weather statement, May 19, 12:37 AM EDT, 1 hour 22 minutes before

Special Weather Statement
National Weather Service Wilmington OH
1237 AM EDT FRI MAY 19 2017

OHZ053-054-062-190500-
Madison OH-Clark OH-Greene OH-
1237 AM EDT FRI MAY 19 2017

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN CLARK...
NORTHEASTERN GREENE AND SOUTHERN MADISON COUNTIES UNTIL 100 AM EDT...

At 1236 AM EDT, radar indicated a strong thunderstorm near South
Charleston, moving east at 35 mph.

STORM HAZARDS INCLUDE...
Winds to 40 mph...
Frequent cloud-to-ground lightning...

Locations impacted include...
London, Jefferson, West Jefferson, South Charleston, Lake Darby,
Lafayette, South Solon, Midway, Newport, Lilly Chapel, Selma,
Gladstone, Madison Lake, Big Plain, Wrightsville and Chenoweth.

This includes the following Interstates...
 I-70 in Ohio between mile markers 81 and 86.
 I-71 in Ohio between mile markers 80 and 87.

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

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 3997 8325 3994 8323 3993 8323 3992 8325
      3985 8324 3974 8325 3971 8360 3972 8365
      3971 8366 3970 8372 3981 8374 4000 8325
TIME...MOT...LOC 0436Z 251DEG 30KT 3978 8355

Franks

Special weather statement, May 19, 1:27 AM EDT, 32 minutes before

Special Weather Statement
National Weather Service Wilmington OH
127 AM EDT FRI MAY 19 2017

OHZ054-055-064-190600-
Madison OH-Franklin OH-Pickaway OH-
127 AM EDT FRI MAY 19 2017

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN FRANKLIN...NORTHWESTERN
PICKAWAY AND SOUTHEASTERN MADISON COUNTIES UNTIL 200 AM EDT...

At 127 AM EDT, radar indicated a strong thunderstorm near London,
moving east at 20 mph.

STORM HAZARDS INCLUDE...
Winds to 30 mph...
Pea size hail...
Frequent cloud-to-ground lightning...

Locations impacted include...
Columbus, Grove City, London, Groveport, Ashville, Mount Sterling,
South Bloomfield, Obetz, Commercial Point, Urbancrest, Midway,
Harrisburg, Orient, Lockbourne, Darbyville, Newport, Chenoweth,
Georgesville, Madison Lake and Darbydale.

This includes the following Interstates...
 I-70 in Ohio between mile markers 104 and 107.
 I-71 in Ohio between mile markers 77 and 105.

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

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 3968 8286 3969 8325 3970 8326 3971 8349
      3988 8350 3995 8288
TIME...MOT...LOC 0527Z 266DEG 17KT 3979 8340

Sites

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 10:16 PM EDT	Special Weather Statement	ILN	Auglaize, Mercer	44 min
May 18, 10:36 PM EDT	Special Weather Statement	ILN	Hardin	39 min
May 18, 10:39 PM EDT	Areal Flood Advisory	ILN	Auglaize, Mercer	3 hr
May 19, 12:37 AM EDT	Special Weather Statement	ILN	Madison	23 min
May 19, 1:27 AM EDT	Special Weather Statement	ILN	Madison	33 min
May 19, 2:28 AM EDT	Special Weather Statement	ILN	Madison	32 min
May 19, 4:25 AM EDT	Special Weather Statement	ILN	Greene	35 min
May 19, 12:35 PM EDT	Special Weather Statement	ILN	Scioto	25 min
May 19, 1:00 PM EDT	Special Weather Statement	ILN	Fairfield	30 min
May 19, 1:33 PM EDT	Special Weather Statement	ILN	Fairfield	27 min
May 19, 1:56 PM EDT	Special Weather Statement	ILN	Fairfield, Licking	34 min
May 19, 2:24 PM EDT	Special Weather Statement	ILN	Licking	36 min
May 19, 3:14 PM EDT	Special Weather Statement	ILN	Miami	31 min
May 19, 3:22 PM EDT	Special Weather Statement	ILN	Darke	23 min
May 19, 3:30 PM EDT	Areal Flood Advisory	ILN	Darke, Miami, Shelby	3 hr
May 19, 3:36 PM EDT	Severe Thunderstorm Warning	ILN	Darke	39 min
May 19, 3:43 PM EDT	Special Weather Statement	ILN	Champaign, Miami	47 min
May 19, 3:56 PM EDT	Areal Flood Advisory	ILN	Auglaize, Champaign, Clark, Darke, Logan, Mercer and 2 more	3 hr
May 19, 3:59 PM EDT	Severe Thunderstorm Warning	ILN	Miami	46 min
May 19, 4:09 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Madison, Union	51 min
May 19, 4:12 PM EDT	Special Weather Statement	ILN	Hamilton	33 min
May 19, 4:14 PM EDT	Special Weather Statement	ILN	Miami	31 min
May 19, 4:22 PM EDT	Special Weather Statement	ILN	Butler, Warren	23 min
May 19, 4:25 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Warren	35 min
May 19, 4:27 PM EDT	Special Weather Statement	ILN	Champaign	48 min
May 19, 4:36 PM EDT	Special Weather Statement	ILN	Clark, Montgomery	39 min
May 19, 4:49 PM EDT	Severe Thunderstorm Warning	ILN	Clinton, Greene, Warren	26 min
May 19, 4:50 PM EDT	Special Weather Statement	ILN	Clermont	40 min
May 19, 4:52 PM EDT	Special Weather Statement	ILN	Franklin	23 min
May 19, 4:53 PM EDT	Special Weather Statement	ILN	Greene, Madison	52 min
May 19, 4:56 PM EDT	Areal Flood Advisory	ILN	Champaign, Clark, Delaware, Franklin, Licking, Madison and 1 more	3 hr
May 19, 5:10 PM EDT	Special Weather Statement	ILN	Brown, Clinton, Fayette, Highland	50 min
May 19, 5:14 PM EDT	Special Weather Statement	ILN	Franklin	31 min
May 19, 5:16 PM EDT	Special Weather Statement	ILN	Licking	29 min
May 19, 5:18 PM EDT	Severe Thunderstorm Warning	ILN	Clermont	42 min
May 19, 5:22 PM EDT	Special Weather Statement	ILN	Fayette, Madison	23 min
May 19, 5:35 PM EDT	Special Weather Statement	ILN	Adams, Ross	40 min
May 19, 5:40 PM EDT	Special Weather Statement	ILN	Franklin, Licking, Pickaway	50 min
May 19, 5:50 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Fairfield, Fayette, Highland, Pickaway, Pike and 1 more	25 min
May 19, 5:56 PM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Licking	34 min
May 19, 6:07 PM EDT	Special Weather Statement	ILN	Adams, Pike	53 min
May 19, 6:11 PM EDT	Severe Thunderstorm Warning	ILN	Hocking, Pickaway, Pike, Ross	34 min
May 19, 6:13 PM EDT	Special Weather Statement	ILN	Fairfield	47 min
May 19, 6:30 PM EDT	Special Weather Statement	ILN	Hocking	45 min
May 19, 6:45 PM EDT	Severe Thunderstorm Warning	ILN	Hocking	15 min
May 19, 6:53 PM EDT	Special Weather Statement	ILN	Scioto	37 min
May 19, 3:55 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Gallatin, Grant, Kenton	50 min
May 19, 4:17 PM EDT	Areal Flood Advisory	ILN	Gallatin	3 hr
May 19, 4:31 PM EDT	Special Weather Statement	ILN	Gallatin	29 min
May 19, 4:40 PM EDT	Severe Thunderstorm Warning	ILN	Bracken, Grant, Kenton, Pendleton	50 min
May 19, 5:27 PM EDT	Special Weather Statement	ILN	Owen	33 min
May 19, 5:59 PM EDT	Severe Thunderstorm Warning	ILN	Grant, Owen	31 min
May 19, 6:01 PM EDT	Special Weather Statement	ILN	Bracken, Mason, Pendleton	29 min
May 19, 6:03 PM EDT	Tornado Warning	ILN	Grant, Owen	27 min
May 19, 6:04 PM EDT	Areal Flood Advisory	ILN	Carroll, Grant, Owen	3 hr
May 19, 6:32 PM EDT	Special Weather Statement	ILN	Owen	28 min
May 19, 2:31 PM EDT	Special Weather Statement	ILN	Ripley	29 min
May 19, 3:00 PM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Ripley	22 min
May 19, 3:08 PM EDT	Special Weather Statement	ILN	Ohio, Switzerland	52 min
May 19, 3:20 PM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Ohio, Ripley, Switzerland	40 min
May 19, 3:35 PM EDT	Areal Flood Advisory	ILN	Ripley	3 hr
May 19, 3:35 PM EDT	Special Weather Statement	ILN	Ripley	25 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2017 Every severe thunderstorm warning in 2017

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.