Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 252, NWS Wilmington, OH

November 18, 2017Butler County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Nov 18, 2017, 5:34 PM EST for Butler County, Ohio. It was in force for 13 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Nov 18, 2017, 5:34 PM EST (22:34 UTC)
Expired: Nov 18, 2017, 5:47 PM EST
In force: 13 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Butler County, OH

The radar

The Cincinnati radar (KILN), 78 km from the middle of the area, began a volume at 22:35 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 18, 12:04 PM EST	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.6 hours before the alert went out and 79 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 689 m²/s²
0-3 km storm-relative helicity: 674 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

415 
WUUS51 KILN 182234
SVRILN
OHC017-182300-
/O.NEW.KILN.SV.W.0252.171118T2234Z-171118T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
534 PM EST SAT NOV 18 2017

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Southwestern Butler County in southwestern Ohio...

* Until 600 PM EST.

* At 533 PM EST, a severe thunderstorm was located 9 miles southwest
  of Oxford, moving east at 45 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to trees and power lines. 

* Locations impacted include...
  Hamilton, Fairfield, Reily, Millville, Mcgonigle, St. Charles and
  Layhigh.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 3944 8481 3947 8460 3934 8458 3937 8482
TIME...MOT...LOC 2233Z 267DEG 41KT 3939 8484 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Haines

2 follow-up statements

227 
WWUS51 KILN 182242
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
542 PM EST SAT NOV 18 2017

OHC017-182300-
/O.CON.KILN.SV.W.0252.000000T0000Z-171118T2300Z/
Butler OH-
542 PM EST SAT NOV 18 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EST
FOR WEST CENTRAL BUTLER COUNTY...

At 542 PM EST, a severe thunderstorm was located near Ross, moving
east at 45 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines. 

Locations impacted include...
Hamilton, Millville and Mcgonigle. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 3945 8472 3947 8460 3939 8459 3940 8470
TIME...MOT...LOC 2242Z 267DEG 41KT 3940 8471 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Haines

281 
WWUS51 KILN 182247
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
547 PM EST SAT NOV 18 2017

OHC017-182257-
/O.CAN.KILN.SV.W.0252.000000T0000Z-171118T2300Z/
Butler OH-
547 PM EST SAT NOV 18 2017

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL BUTLER COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 800 PM EST for
southwestern Ohio.

Please report previous wind damage or hail to the National Weather
Service by going to our website at weather.gov/iln and submitting
your report via social media.

LAT...LON 3945 8472 3947 8460 3939 8459 3940 8470
TIME...MOT...LOC 2246Z 267DEG 41KT 3940 8464 

$$

Haines

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 18, 8:38 AM EST	Areal Flood Advisory	ILN	Delaware, Licking, Union	3 hr
Nov 18, 9:12 AM EST	Areal Flood Advisory	ILN	Auglaize, Darke, Mercer, Miami, Shelby	3 hr
Nov 18, 9:20 AM EST	Areal Flood Advisory	ILN	Champaign, Logan, Shelby	3 hr
Nov 18, 9:36 AM EST	Flash Flood Warning	ILN	Delaware, Licking, Union	3 hr
Nov 18, 10:01 AM EST	Areal Flood Advisory	ILN	Auglaize, Delaware, Hardin, Logan, Union	2 hr
Nov 18, 10:23 AM EST	Flood Watch	ILN	Auglaize, Champaign, Darke, Delaware, Hardin, Logan and 4 more	10 hr
Nov 18, 10:29 AM EST	Areal Flood Advisory	ILN	Mercer	2 hr
Nov 18, 10:46 AM EST	Areal Flood Advisory	ILN	Auglaize, Hardin	104 min
Nov 18, 1:55 PM EST	Areal Flood Advisory	ILN	Auglaize, Darke, Mercer, Shelby	3 hr
Nov 18, 2:02 PM EST	Special Weather Statement	ILN	Mercer	28 min
Nov 18, 2:24 PM EST	Special Weather Statement	ILN	Shelby	36 min
Nov 18, 2:47 PM EST	Areal Flood Advisory	ILN	Auglaize, Hardin, Logan, Shelby	3 hr
Nov 18, 2:52 PM EST	Flash Flood Warning	ILN	Darke	3 hr
Nov 18, 2:58 PM EST	Special Weather Statement	ILN	Darke, Logan, Shelby	32 min
Nov 18, 3:16 PM EST	Flash Flood Warning	ILN	Auglaize, Shelby	3 hr
Nov 18, 3:27 PM EST	Areal Flood Advisory	ILN	Darke, Miami, Preble, Shelby	3 hr
Nov 18, 3:35 PM EST	Areal Flood Advisory	ILN	Champaign, Hardin, Logan, Miami, Shelby, Union	3 hr
Nov 18, 3:57 PM EST	Flash Flood Warning	ILN	Darke, Preble	3 hr
Nov 18, 4:17 PM EST	Special Weather Statement	ILN	Miami	28 min
Nov 18, 4:23 PM EST	Severe Thunderstorm Warning	ILN	Darke, Miami, Montgomery, Preble	24 min
Nov 18, 4:41 PM EST	Areal Flood Advisory	ILN	Butler, Preble	3 hr
Nov 18, 4:50 PM EST	Special Weather Statement	ILN	Champaign	25 min
Nov 18, 4:54 PM EST	Special Weather Statement	ILN	Butler, Montgomery, Preble	36 min
Nov 18, 5:05 PM EST	Areal Flood Advisory	ILN	Champaign, Delaware, Logan, Union	3 hr
Nov 18, 5:12 PM EST	Special Weather Statement	ILN	Delaware, Union	33 min
Nov 18, 5:16 PM EST	Severe Thunderstorm Warning	ILN	Delaware, Union	29 min
Nov 18, 5:21 PM EST	Flash Flood Warning	ILN	Champaign, Delaware, Logan, Union	3 hr
Nov 18, 5:32 PM EST	Special Weather Statement	ILN	Butler	43 min
Nov 18, 5:40 PM EST	Areal Flood Warning	ILN	Darke	39 hr
Nov 18, 5:50 PM EST	Special Weather Statement	ILN	Delaware, Union	40 min
Nov 18, 5:53 PM EST	Special Weather Statement	ILN	Clark, Greene	37 min
Nov 18, 6:05 PM EST	River Flood Warning	ILN	Shelby	32 hr
Nov 18, 6:11 PM EST	Areal Flood Warning	ILN	Auglaize, Shelby	4 hr
Nov 18, 6:14 PM EST	Special Weather Statement	ILN	Franklin, Madison	31 min
Nov 18, 6:21 PM EST	Severe Thunderstorm Warning	ILN	Franklin, Madison	24 min
Nov 18, 6:42 PM EST	Special Weather Statement	ILN	Franklin	18 min
Nov 18, 6:57 PM EST	Special Weather Statement	ILN	Franklin	33 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.