Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 106, NWS Wilmington, OH

May 1, 2017Pike County, Scioto County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at May 1, 2017, 10:59 AM EDT for Pike County, Scioto County, Ohio. It was in force for 22 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 1, 2017, 10:59 AM EDT (14:59 UTC)
Expired: May 1, 2017, 11:21 AM EDT
In force: 22 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Pike County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 87 km from the middle of the area, began a volume at 15:00 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 12:00Z, 3.0 hours before the alert went out and 86 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: 77 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 753 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 461 m²/s²
0-3 km storm-relative helicity: 464 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.2

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 1, 9:41 AM EDT, 1 hour 18 minutes earlier.

Area forecast discussion, May 1, 9:41 AM EDT, 1 hour 18 minutes before

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Hazardous weather outlook, May 1, 9:26 AM EDT, 1 hour 33 minutes before

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In the hours before

Special weather statement, May 1, 8:24 AM EDT, 2 hours 35 minutes before

Special Weather Statement
National Weather Service Wilmington OH
824 AM EDT MON MAY 1 2017

OHZ026-044>046-052>055-063-064-072-073-011330-
Champaign OH-Ross OH-Delaware OH-Logan OH-Fayette OH-Madison OH-
Clinton OH-Hardin OH-Franklin OH-Pickaway OH-Union OH-Clark OH-
824 AM EDT MON MAY 1 2017

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN CHAMPAIGN
COUNTY IN WEST CENTRAL OHIO...FRANKLIN COUNTY IN CENTRAL OHIO...
EASTERN LOGAN COUNTY IN WEST CENTRAL OHIO...FAYETTE COUNTY IN CENTRAL
OHIO...NORTHEASTERN CLINTON COUNTY IN SOUTHWESTERN OHIO...WESTERN
PICKAWAY AND DELAWARE COUNTIES IN CENTRAL OHIO...SOUTHEASTERN CLARK
AND EASTERN HARDIN COUNTIES IN WEST CENTRAL OHIO...MADISON...UNION
COUNTIES IN CENTRAL OHIO AND NORTHWESTERN ROSS COUNTIES IN
SOUTHWESTERN OHIO UNTIL 930 AM EDT...

At 823 AM EDT, radar indicated strong thunderstorms along a line
extending from near Forest to near Sabina, moving northeast at 50
mph.

STORM HAZARDS INCLUDE...
Winds to 50 mph...
Very heavy rain...

Locations impacted include...
Columbus, Dublin, Westerville, Grove City, Delaware, Upper Arlington,
Hilliard, Marysville, Washington Court House, Worthington, Bexley,
London, Kenton, Jefferson, Powell, Sunbury, Plain City, West
Jefferson, Ashville and Sabina.

This includes the following Interstates...
 I-70 in Ohio between mile markers 70 and 104.
 I-71 in Ohio between mile markers 64 and 139.

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 4070 8350 4070 8344 4069 8344 4069 8342
      4050 8342 4051 8326 4044 8325 4043 8302
      4042 8301 4041 8293 4036 8293 4035 8285
      3944 8304 3944 8368 3995 8356 4082 8363
      4082 8351
TIME...MOT...LOC 1223Z 228DEG 42KT 4083 8347 3948 8354

Special weather statement, May 1, 9:20 AM EDT, 1 hour 39 minutes before

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Local storm report, May 1, 9:24 AM EDT, 1 hour 35 minutes before

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Special weather statement, May 1, 9:58 AM EDT, 1 hour 1 minute before

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Special weather statement, May 1, 10:19 AM EDT, 40 minutes before

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Special weather statement, May 1, 10:46 AM EDT, 13 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 8:25 PM EDT	Special Weather Statement	ILN	Clermont	35 min
Apr 30, 8:53 PM EDT	Special Weather Statement	ILN	Clinton	37 min
Apr 30, 8:55 PM EDT	Special Weather Statement	ILN	Brown	35 min
Apr 30, 9:19 PM EDT	Special Weather Statement	ILN	Clinton, Highland	41 min
Apr 30, 9:40 PM EDT	Special Weather Statement	ILN	Fayette	35 min
May 1, 3:10 AM EDT	Special Weather Statement	ILN	Adams, Brown, Clermont, Clinton, Highland	35 min
May 1, 5:49 AM EDT	Special Weather Statement	ILN	Butler, Darke, Mercer, Preble	56 min
May 1, 5:53 AM EDT	Special Weather Statement	ILN	Clermont, Hamilton, Warren	67 min
May 1, 6:44 AM EDT	Special Weather Statement	ILN	Champaign, Clermont, Greene, Logan, Miami, Montgomery and 1 more	61 min
May 1, 7:28 AM EDT	Special Weather Statement	ILN	Brown, Clermont, Clinton, Highland	62 min
May 1, 7:33 AM EDT	Special Weather Statement	ILN	Champaign, Clark, Fayette, Greene, Hardin, Logan and 2 more	57 min
May 1, 7:53 AM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark	26 min
May 1, 8:19 AM EDT	Special Weather Statement	ILN	Adams, Highland	56 min
May 1, 8:24 AM EDT	Special Weather Statement	ILN	Delaware, Fayette, Franklin, Madison, Pickaway, Union	66 min
May 1, 8:28 AM EDT	Severe Thunderstorm Warning	ILN	Union	25 min
May 1, 8:45 AM EDT	Severe Thunderstorm Warning	ILN	Delaware, Union	30 min
May 1, 9:10 AM EDT	Severe Thunderstorm Warning	ILN	Franklin	20 min
May 1, 9:20 AM EDT	Special Weather Statement	ILN	Delaware, Franklin, Pickaway, Ross	55 min
May 1, 9:35 AM EDT	Areal Flood Advisory	ILN	Brown, Clermont, Highland	115 min
May 1, 9:43 AM EDT	Severe Thunderstorm Warning	ILN	Delaware	17 min
May 1, 9:58 AM EDT	Special Weather Statement	ILN	Pike, Scioto	62 min
May 1, 10:19 AM EDT	Special Weather Statement	ILN	Fairfield, Hocking, Licking	56 min
May 1, 10:46 AM EDT	Special Weather Statement	ILN	Pike, Scioto	44 min
May 1, 11:49 AM EDT	Special Weather Statement	ILN	Hocking	11 min
May 1, 11:56 AM EDT	Special Weather Statement	ILN	Licking	19 min
Apr 30, 8:05 PM EDT	Special Weather Statement	ILN	Pendleton	25 min
Apr 30, 8:28 PM EDT	Special Weather Statement	ILN	Bracken	47 min
May 1, 4:44 AM EDT	Special Weather Statement	ILN	Dearborn, Fayette, Franklin, Ripley, Union, Wayne	61 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.