Alert archive / Ohio / Tornado Warnings in 2011

Tornado Warning 28, NWS Wilmington, OH

April 23, 2011Scioto County, Ohio

NWS Wilmington, OH issued this tornado warning at Apr 23, 2011, 4:58 PM EDT for Scioto County, Ohio. It was in force for 21 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: Apr 23, 2011, 4:58 PM EDT (20:58 UTC)
Expired: Apr 23, 2011, 5:19 PM EDT
In force: 21 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

County Scioto County, OH

The radar

The Charleston,WV radar (KRLX), 103 km from the middle of the area, began a volume at 20:59 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, 9.0 hours before the alert went out and 118 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: 25 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 544 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 405 m²/s²
0-3 km storm-relative helicity: 323 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

638 
WFUS51 KILN 232058
TORILN
OHC145-232130-
/O.NEW.KILN.TO.W.0028.110423T2058Z-110423T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
458 PM EDT SAT APR 23 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN SCIOTO COUNTY IN SOUTHWEST OHIO...

* UNTIL 530 PM EDT.

* AT 456 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 5 MILES
  NORTHWEST OF FRANKLIN FURNACE......MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FRANKLIN FURNACE...
  SCIOTODALE...
  WHEELERSBURG...
  SOUTH WEBSTER...

IN ADDITION...HAVERHILL...PORTSMOUTH REGIONAL AIRPORT...POWELLSVILLE
AND LYRA ARE NEAR THE PATH OF THIS DANGEROUS THUNDERSTORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

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

&&

LAT...LON 3861 8286 3867 8286 3868 8288 3874 8288
      3876 8291 3885 8287 3886 8276 3885 8265
      3876 8265 3873 8269 3869 8269 3867 8276
      3860 8274 3857 8282
TIME...MOT...LOC 2058Z 261DEG 40KT 3867 8288

$$

1 follow-up statement

156 
WWUS51 KILN 232119
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
519 PM EDT SAT APR 23 2011

OHC145-232129-
/O.CAN.KILN.TO.W.0028.000000T0000Z-110423T2130Z/
SCIOTO OH-
519 PM EDT SAT APR 23 2011

...THE TORNADO WARNING FOR SOUTHEASTERN SCIOTO COUNTY HAS BEEN
CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
TORNADO WARNING HAS BEEN CANCELLED.

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

LAT...LON 3861 8286 3867 8286 3868 8288 3874 8288
      3876 8291 3885 8287 3886 8276 3885 8265
      3876 8265 3873 8269 3869 8269 3867 8276
      3860 8274 3857 8282
TIME...MOT...LOC 2119Z 261DEG 40KT 3871 8258

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 8:57 PM EDT	Areal Flood Advisory	ILN	Adams, Scioto	3 hr
Apr 23, 12:42 AM EDT	Special Weather Statement	ILN	Mercer	48 min
Apr 23, 12:49 AM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Mercer	26 min
Apr 23, 1:08 AM EDT	Areal Flood Advisory	ILN	Butler, Clermont, Clinton, Hamilton, Warren	5 hr
Apr 23, 1:13 AM EDT	Special Weather Statement	ILN	Darke, Shelby	47 min
Apr 23, 1:15 AM EDT	Special Weather Statement	ILN	Brown, Highland, Pike	45 min
Apr 23, 1:27 AM EDT	River Flood Warning	ILN	Adams	33 hr
Apr 23, 1:56 AM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Mercer	19 min
Apr 23, 2:11 AM EDT	Areal Flood Advisory	ILN	Brown, Clinton, Fayette, Highland	16 hr
Apr 23, 2:21 AM EDT	Flash Flood Warning	ILN	Hamilton	3 hr
Apr 23, 2:50 AM EDT	Areal Flood Advisory	ILN	Adams, Pike, Ross, Scioto	16 hr
Apr 23, 3:08 AM EDT	Flash Flood Warning	ILN	Brown, Highland	3 hr
Apr 23, 4:20 AM EDT	Flash Flood Warning	ILN	Scioto	3 hr
Apr 23, 5:59 AM EDT	Areal Flood Advisory	ILN	Butler, Clermont, Clinton, Hamilton, Warren	7 hr
Apr 23, 7:06 AM EDT	Special Weather Statement	ILN	Scioto	24 min
Apr 23, 9:20 AM EDT	Flash Flood Warning	ILN	Adams, Scioto	4 hr
Apr 23, 12:51 PM EDT	Areal Flood Advisory	ILN	Clermont, Hamilton	6 hr
Apr 23, 1:45 PM EDT	Flash Flood Warning	ILN	Hamilton	8 hr
Apr 23, 3:21 PM EDT	Tornado Warning	ILN	Brown, Clermont	24 min
Apr 23, 3:31 PM EDT	Flash Flood Warning	ILN	Adams, Brown, Clermont, Clinton, Hamilton, Highland and 2 more	6 hr
Apr 23, 3:42 PM EDT	Tornado Warning	ILN	Adams, Brown	48 min
Apr 23, 4:14 PM EDT	Areal Flood Advisory	ILN	Butler, Champaign, Clark, Clinton, Fairfield, Fayette and 11 more	6 hr
Apr 23, 4:19 PM EDT	Tornado Warning	ILN	Adams, Pike, Scioto	41 min
Apr 23, 4:44 PM EDT	Special Weather Statement	ILN	Pike	31 min
Apr 23, 5:27 PM EDT	River Flood Warning	ILN	Adams, Brown	50 hr
Apr 23, 5:27 PM EDT	River Flood Warning	ILN	Clermont	29 hr

Nearby

Tornado Warnings in Ohio, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.