Alert archive / Ohio / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Wilmington, OH

March 15, 2012Auglaize County, Hardin County, Logan County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Mar 15, 2012, 4:57 PM EDT for Auglaize County, Hardin County, Logan County, Ohio. It was in force for 33 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 15, 2012, 4:57 PM EDT (20:57 UTC)
Expired: Mar 15, 2012, 5:30 PM EDT
In force: 33 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

Counties Auglaize County, OH, Hardin County, OH, Logan County, OH

The radar

The Cincinnati radar (KILN), 132 km from the middle of the area, began a volume at 20:58 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.

What was reported inside it

Time	Report	Where	Remark
Mar 15, 5:02 PM EDT	HAIL 1	Waynesfield, OH
Mar 15, 5:05 PM EDT	HAIL 1.75	Waynesfield, OH

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 131 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: 1236 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

597 
WUUS51 KILN 152057
SVRILN
OHC011-065-091-152130-
/O.NEW.KILN.SV.W.0013.120315T2057Z-120315T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
457 PM EDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN AUGLAIZE COUNTY IN WEST CENTRAL OHIO...
  WESTERN HARDIN COUNTY IN WEST CENTRAL OHIO...
  NORTHWESTERN LOGAN COUNTY IN WEST CENTRAL OHIO...

* UNTIL 530 PM EDT.

* AT 452 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING GOLF BALL SIZE HAIL AND WINDS TO 60 MPH. THIS STORM      
  WAS LOCATED NEAR ST. JOHNS...MOVING EAST AT 20 MPH. THIS STORM HAS 
  A HISTORY OF PRODUCING LARGE HAIL.

* LOCATIONS IMPACTED INCLUDE...
  WAYNESFIELD...
  BELLE CENTER...
  ALGER...

IN ADDITION...STATE ROUTE 195 AT STATE ROUTE 235...SILVER CREEK...
ROUNDHEAD...JUMBO...WALTON...HUNTERSVILLE AND MCGUFFEY ARE NEAR THE
PATH OF THIS SEVERE THUNDERSTORM.

THIS INCLUDES THE FOLLOWING INTERSTATE...
I-75 BETWEEN MILE MARKERS 106 AND 117...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4051 8364 4048 8414 4048 8417 4066 8417
      4066 8411 4065 8410 4065 8389 4071 8389
      4074 8370
TIME...MOT...LOC 2057Z 259DEG 15KT 4057 8404

$$
LATTO

1 follow-up statement

612 
WWUS51 KILN 152113
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
513 PM EDT THU MAR 15 2012

OHC011-065-091-152130-
/O.CON.KILN.SV.W.0013.000000T0000Z-120315T2130Z/
AUGLAIZE OH-HARDIN OH-LOGAN OH-
513 PM EDT THU MAR 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHWESTERN LOGAN...WESTERN HARDIN AND EASTERN AUGLAIZE
COUNTIES...

AT 512 PM EDT...STORM SPOTTERS REPORTED GOLF BALL SIZED HAIL IN 
WAYNESFIELD. RADAR INDICATED THAT THIS SEVERE THUNDERSTORM REMAINS 
CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND WINDS TO 60 MPH. THIS 
STORM WAS LOCATED NEAR WAYNESFIELD...MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
BELLE CENTER AND ALGER.

IN ADDITION...STATE ROUTE 195 AT STATE ROUTE 235...SILVER CREEK...
ROUNDHEAD...JUMBO...WALTON...HUNTERSVILLE AND MCGUFFEY ARE NEAR THE
PATH OF THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 4074 8370 4051 8364 4048 8413 4064 8404
      4065 8389 4071 8389
TIME...MOT...LOC 2113Z 259DEG 15KT 4058 8395

$$
LATTO

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 3:29 AM EDT	Special Weather Statement	ILN	Ross	31 min
Mar 15, 3:45 AM EDT	Special Weather Statement	ILN	Scioto	30 min
Mar 15, 4:10 AM EDT	Special Weather Statement	ILN	Ross	35 min
Mar 15, 4:49 AM EDT	Special Weather Statement	ILN	Licking	26 min
Mar 15, 4:55 AM EDT	Special Weather Statement	ILN	Licking	35 min
Mar 15, 5:56 AM EDT	Areal Flood Advisory	ILN	Fairfield, Licking	3 hr
Mar 15, 7:16 AM EDT	Special Weather Statement	ILN	Fairfield, Hocking, Licking	59 min
Mar 15, 7:30 AM EDT	River Flood Advisory	ILN	Licking	6 hr
Mar 15, 7:34 AM EDT	Areal Flood Advisory	ILN	Fairfield, Hocking	3 hr
Mar 15, 8:07 AM EDT	Areal Flood Warning	ILN	Fairfield, Licking	6 hr
Mar 15, 8:49 AM EDT	Special Weather Statement	ILN	Fairfield, Hocking, Pickaway, Ross	56 min
Mar 15, 9:11 AM EDT	Special Weather Statement	ILN	Butler, Warren	64 min
Mar 15, 9:23 AM EDT	Special Weather Statement	ILN	Auglaize	37 min
Mar 15, 10:11 AM EDT	Special Weather Statement	ILN	Hamilton	49 min
Mar 15, 10:17 AM EDT	Special Weather Statement	ILN	Butler	28 min
Mar 15, 10:18 AM EDT	Severe Thunderstorm Warning	ILN	Warren	27 min
Mar 15, 10:27 AM EDT	Areal Flood Advisory	ILN	Clermont, Hamilton, Warren	3 hr
Mar 15, 10:51 AM EDT	Special Weather Statement	ILN	Adams, Brown, Butler, Clermont, Hamilton, Highland and 3 more	54 min
Mar 15, 11:03 AM EDT	Flash Flood Warning	ILN	Clermont, Hamilton, Warren	2 hr
Mar 15, 11:18 AM EDT	Severe Thunderstorm Warning	ILN	Clinton, Warren	30 min
Mar 15, 11:30 AM EDT	Areal Flood Advisory	ILN	Adams, Brown, Clinton, Highland, Pike, Ross and 1 more	3 hr
Mar 15, 11:45 AM EDT	Special Weather Statement	ILN	Adams, Brown, Clermont, Clinton, Hamilton, Highland and 4 more	60 min
Mar 15, 11:55 AM EDT	Special Weather Statement	ILN	Fayette, Greene, Pickaway	65 min
Mar 15, 11:59 AM EDT	Areal Flood Advisory	ILN	Clinton, Fayette, Greene, Highland, Ross	3 hr
Mar 15, 12:17 PM EDT	River Flood Advisory	ILN	Licking	5 hr
Mar 15, 1:59 PM EDT	Areal Flood Advisory	ILN	Licking	2 hr
Mar 15, 2:32 PM EDT	Special Weather Statement	ILN	Fairfield, Pickaway	58 min
Mar 15, 3:29 PM EDT	Special Weather Statement	ILN	Miami	46 min
Mar 15, 3:49 PM EDT	Special Weather Statement	ILN	Fayette	41 min
Mar 15, 3:51 PM EDT	Flash Flood Watch	ILN	Adams, Brown, Clermont, Hamilton, Highland, Hocking and 3 more	14 hr
Mar 15, 4:18 PM EDT	Special Weather Statement	ILN	Auglaize	42 min
Mar 15, 4:26 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Hardin	34 min
Mar 15, 4:48 PM EDT	Special Weather Statement	ILN	Shelby	42 min
Mar 15, 4:51 PM EDT	Special Weather Statement	ILN	Hamilton	69 min
Mar 15, 5:07 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Logan, Shelby	38 min
Mar 15, 5:24 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Hardin, Logan, Shelby	36 min
Mar 15, 5:39 PM EDT	Areal Flood Advisory	ILN	Hamilton	3 hr
Mar 15, 5:42 PM EDT	Severe Thunderstorm Warning	ILN	Logan, Shelby	48 min
Mar 15, 5:45 PM EDT	Severe Thunderstorm Warning	ILN	Clermont	45 min
Mar 15, 5:59 PM EDT	Severe Thunderstorm Warning	ILN	Hamilton	46 min
Mar 15, 6:09 PM EDT	Severe Thunderstorm Warning	ILN	Brown	36 min
Mar 15, 6:20 PM EDT	Areal Flood Advisory	ILN	Shelby	115 min
Mar 15, 6:22 PM EDT	Areal Flood Advisory	ILN	Brown, Butler, Clermont, Hamilton, Warren	3 hr
Mar 15, 6:24 PM EDT	Special Weather Statement	ILN	Butler, Hamilton, Preble	51 min
Mar 15, 6:25 PM EDT	Severe Thunderstorm Warning	ILN	Logan, Shelby	33 min
Mar 15, 6:29 PM EDT	Severe Thunderstorm Warning	ILN	Clermont	46 min
Mar 15, 6:42 PM EDT	Severe Thunderstorm Warning	ILN	Butler, Montgomery, Preble, Warren	32 min
Mar 15, 6:53 PM EDT	Special Weather Statement	ILN	Brown	52 min
Mar 15, 7:15 PM EDT	Special Weather Statement	ILN	Adams, Brown, Clermont, Darke, Miami, Montgomery and 1 more	60 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2012 Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.