Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 7, NWS Wilmington, OH

February 28, 2011Scioto County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Feb 28, 2011, 7:13 AM EST 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: Feb 28, 2011, 7:13 AM EST (12:13 UTC)
Expired: Feb 28, 2011, 7:34 AM EST
In force: 21 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

County Scioto County, OH

The radar

The Charleston,WV radar (KRLX), 104 km from the middle of the area, began a volume at 12:12 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
Feb 28, 1:40 AM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 0.2 hours before the alert went out and 117 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: 539 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: -195 m²/s²
0-3 km storm-relative helicity: -105 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.

526 
WUUS51 KILN 281213
SVRILN
OHC145-281245-
/O.NEW.KILN.SV.W.0007.110228T1213Z-110228T1245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
713 AM EST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN SCIOTO COUNTY IN SOUTHWEST OHIO...

* UNTIL 745 AM EST.

* AT 711 AM EST...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
  CAPABLE OF PRODUCING WINDS TO 60 MPH. THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM MINFORD TO 7 MILES WEST OF FRANKLIN
  FURNACE...MOVING EAST AT 60 MPH.

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

IN ADDITION...HAVERHILL...POWELLSVILLE AND LYRA ARE NEAR THE PATH OF
THESE SEVERE THUNDERSTORMS.

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EST MONDAY MORNING FOR
NORTHEASTERN KENTUCKY AND SOUTHWEST OHIO.

&&

LAT...LON 3861 8287 3873 8288 3875 8291 3872 8300
      3893 8288 3894 8276 3886 8276 3885 8265
      3878 8265 3875 8265 3874 8269 3869 8269
      3867 8272 3867 8277 3860 8275 3857 8282
TIME...MOT...LOC 1213Z 267DEG 52KT 3891 8277 3864 8293

$$

HATZOS

1 follow-up statement

239 
WWUS51 KILN 281234
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
734 AM EST MON FEB 28 2011

OHC145-281244-
/O.CAN.KILN.SV.W.0007.000000T0000Z-110228T1245Z/
SCIOTO OH-
734 AM EST MON FEB 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SCIOTO COUNTY HAS BEEN
CANCELLED...

THE THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA...THEREFORE THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 AM.

LAT...LON 3861 8287 3873 8288 3875 8291 3872 8300
      3893 8288 3894 8276 3886 8276 3885 8265
      3878 8265 3875 8265 3874 8269 3869 8269
      3867 8272 3867 8277 3860 8275 3857 8282
TIME...MOT...LOC 1234Z 267DEG 52KT 3891 8238 3864 8254

$$

HATZOS

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 1:03 AM EST	Areal Flood Warning	ILN	Auglaize, Darke, Hardin, Logan, Mercer, Miami and 1 more	57 hr
Feb 28, 2:25 AM EST	Tornado Warning	ILN	Auglaize, Hardin, Logan	16 min
Feb 28, 3:21 AM EST	Tornado Warning	ILN	Hardin, Logan, Union	24 min
Feb 28, 3:45 AM EST	Flash Flood Warning	ILN	Darke, Hardin, Logan, Miami, Shelby, Union	3 hr
Feb 28, 3:54 AM EST	River Flood Warning	ILN	Miami, Shelby	64 hr
Feb 28, 4:25 AM EST	Tornado Warning	ILN	Champaign, Union	35 min
Feb 28, 5:11 AM EST	Areal Flood Warning	ILN	Champaign, Clark, Darke, Delaware, Franklin, Greene and 8 more	6 hr
Feb 28, 5:29 AM EST	Severe Thunderstorm Warning	ILN	Adams, Brown, Clermont, Clinton, Fayette, Hamilton and 3 more	31 min
Feb 28, 5:34 AM EST	Severe Thunderstorm Warning	ILN	Fairfield, Fayette, Franklin, Hocking, Licking, Pickaway and 1 more	26 min
Feb 28, 5:56 AM EST	Severe Thunderstorm Warning	ILN	Adams, Brown, Clermont, Fayette, Highland, Pike and 2 more	49 min
Feb 28, 5:59 AM EST	Severe Thunderstorm Warning	ILN	Adams, Brown	46 min
Feb 28, 6:00 AM EST	Severe Thunderstorm Warning	ILN	Fairfield, Hocking, Licking, Pickaway, Ross	45 min
Feb 28, 6:41 AM EST	Areal Flood Advisory	ILN	Adams, Brown, Clermont, Clinton, Hamilton, Highland and 4 more	3 hr
Feb 28, 6:51 AM EST	Severe Thunderstorm Warning	ILN	Adams, Pike, Ross, Scioto	24 min
Feb 28, 7:36 AM EST	River Flood Warning	ILN	Miami	33 hr
Feb 28, 8:53 AM EST	River Flood Warning	ILN	Mercer	3 days
Feb 28, 9:53 AM EST	Areal Flood Advisory	ILN	Adams, Brown, Clermont, Pike, Scioto	112 min
Feb 28, 11:05 AM EST	Areal Flood Advisory	ILN	Champaign, Darke, Logan, Miami, Shelby, Union	3 hr
Feb 28, 11:43 AM EST	Areal Flood Advisory	ILN	Adams, Brown, Clermont, Pike, Scioto	3 hr
Feb 28, 1:19 PM EST	River Flood Warning	ILN	Miami, Montgomery	27 hr
Feb 28, 2:25 PM EST	River Flood Warning	ILN	Pickaway	13 days
Feb 28, 2:27 PM EST	River Flood Warning	ILN	Pike, Scioto	67 hr
Feb 28, 2:44 PM EST	River Flood Warning	ILN	Franklin, Madison, Pickaway	12 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Every severe thunderstorm warning 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.