Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Wilmington, OH

March 15, 2012Fayette County, Union County, Wayne County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Mar 15, 2012, 5:46 PM EDT for Fayette County, Union County, Wayne County, Indiana. It was in force for 44 min. 1 report 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, 5:46 PM EDT (21:46 UTC)
Expired: Mar 15, 2012, 6:30 PM EDT
In force: 44 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

Counties Fayette County, IN, Union County, IN, Wayne County, IN

The radar

The Indianapolis radar (KIND), 101 km from the middle of the area, began a volume at 21:49 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, 6:15 PM EDT	HAIL 1	Connersville, IN

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 15, 5:28 PM EDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.8 hours before the alert went out and 115 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.

623 
WUUS51 KILN 152146
SVRILN
INC041-161-177-152230-
/O.NEW.KILN.SV.W.0021.120315T2146Z-120315T2230Z/

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

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAYETTE COUNTY IN EAST CENTRAL INDIANA...
  UNION COUNTY IN EAST CENTRAL INDIANA...
  SOUTHERN WAYNE COUNTY IN EAST CENTRAL INDIANA...

* UNTIL 630 PM EDT.

* AT 545 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND WINDS TO 60 MPH. THIS STORM WAS
  LOCATED NEAR GLENWOOD...MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CONNERSVILLE...
  RICHMOND...
  LIBERTY...
  CENTERVILLE...

IN ADDITION...COLUMBIA...BUNKER HILL...NULLTOWN...METTEL FIELD...
BEESONS...WATERLOO...ALQUINA AND SPRINGERSVILLE ARE NEAR THE PATH OF
THIS SEVERE THUNDERSTORM.

THIS INCLUDES THE FOLLOWING INTERSTATE...
I-70 BETWEEN MILE MARKERS 145 AND 152...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR SOUTHEASTERN INDIANA AND NORTHERN KENTUCKY AND
SOUTHWESTERN OHIO.

&&

LAT...LON 3971 8530 3992 8488 3968 8481 3959 8482
      3955 8530 3968 8531
TIME...MOT...LOC 2147Z 251DEG 17KT 3964 8529

$$

1 follow-up statement

796 
WWUS51 KILN 152228
SVSILN

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

INC041-161-177-152239-
/O.EXP.KILN.SV.W.0021.000000T0000Z-120315T2230Z/
UNION IN-FAYETTE IN-WAYNE IN-
628 PM EDT THU MAR 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WAYNE...FAYETTE AND
UNION COUNTIES IN EAST CENTRAL INDIANA WILL EXPIRE AT 630 PM EDT...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

SMALL HAIL IS STILL POSSIBLE WITH THIS STORM.

PLEASE REPORT PREVIOUS WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3971 8530 3992 8488 3968 8481 3959 8482
      3955 8530 3968 8531
TIME...MOT...LOC 2229Z 251DEG 17KT 3970 8505

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 8:55 AM EDT	Special Weather Statement	ILN	Ohio, Switzerland	65 min
Mar 15, 9:34 AM EDT	Special Weather Statement	ILN	Fayette, Union	41 min
Mar 15, 10:27 AM EDT	Areal Flood Advisory	ILN	Dearborn	3 hr
Mar 15, 3:51 PM EDT	Flash Flood Watch	ILN	Dearborn, Ohio, Ripley, Switzerland	14 hr
Mar 15, 4:29 PM EDT	Special Weather Statement	ILN	Ohio	61 min
Mar 15, 4:51 PM EDT	Special Weather Statement	ILN	Dearborn, Ohio, Ripley, Switzerland	69 min
Mar 15, 5:06 PM EDT	Severe Thunderstorm Warning	ILN	Ohio, Switzerland	39 min
Mar 15, 5:39 PM EDT	Areal Flood Advisory	ILN	Dearborn, Ohio, Ripley, Switzerland	3 hr
Mar 15, 5:40 PM EDT	Severe Thunderstorm Warning	ILN	Switzerland	35 min
Mar 15, 5:59 PM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Ohio, Switzerland	46 min
Mar 15, 6:06 PM EDT	Flash Flood Warning	ILN	Dearborn, Ohio, Ripley, Switzerland	2 hr
Mar 15, 6:24 PM EDT	Special Weather Statement	ILN	Union, Wayne	51 min

Nearby

Severe Thunderstorm Warnings in Indiana, 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.