Alert archive / Ohio / Tornado Warnings in 2011

Tornado Warning 32, NWS Wilmington, OH

April 27, 2011Clark County, Ohio

NWS Wilmington, OH issued this tornado warning at Apr 27, 2011, 9:52 AM EDT for Clark County, Ohio. It was in force for 23 min. 3 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: Apr 27, 2011, 9:52 AM EDT (13:52 UTC)
Expired: Apr 27, 2011, 10:15 AM EDT
In force: 23 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon

County Clark County, OH

The radar

The Cincinnati radar (KILN), 61 km from the middle of the area, began a volume at 13:55 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
Apr 27, 9:52 AM EDT	TSTM WND DMG	2 Nne New Carlisle, OH	NUMEROUS TREES AND POWER LINES DOWN NEAR SR 235 AND SIGLER RD.
Apr 27, 9:52 AM EDT	TSTM WND DMG	New Carlisle, OH	AWNINGS AND DOOR RIPPED OFF BUILDING.
Apr 27, 9:53 AM EDT	TORNADO	New Carlisle, OH	NWS STORM SURVEY CONFIRMS LOW-END EF0 TORNADO WHICH TOUCHED DOWN SOUTH OF NEW CARLISLE AND TERMINATED ON THE NORTHEAST SIDE OF THE CITY. DAMAGE INCLUDED UPROOTED TREES...MINOR ROOF DAMAGE...AND OTHER MINOR STRUCTURAL DAMAGE TO THE CITY POOL COMPLEX. THIS DAMAG

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, 1.9 hours before the alert went out and 60 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: 279 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 470 m²/s²
0-3 km storm-relative helicity: 503 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

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

932 
WFUS51 KILN 271352
TORILN
OHC023-271415-
/O.NEW.KILN.TO.W.0032.110427T1352Z-110427T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
952 AM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CLARK COUNTY IN WEST CENTRAL OHIO...

* UNTIL 1015 AM EDT.

* AT 951 AM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR CRYSTAL
  LAKES......MOVING NORTHEAST AT 20 MPH. IN ADDITION TO THE
  TORNADO...THIS STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT
  LINE WINDS.

* LOCATIONS IMPACTED INCLUDE...
  ENON...
  SPRINGFIELD...

IN ADDITION...GREEN MEADOWS...DONNELSVILLE...SNYDERVILLE...STATE
ROUTE 41 AT STATE ROUTE 235...NORTH HAMPTON...BUCK CREEK STATE
PARK...NEW MOOREFIELD AND DIALTON ARE NEAR THE PATH OF THIS DANGEROUS
THUNDERSTORM.

THIS INCLUDES THE FOLLOWING INTERSTATE...
I-70 BETWEEN MILE MARKERS 43 AND 51...

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 4003 8374 3997 8367 3984 8398 3985 8403
      3993 8405 4000 8404 4004 8401
TIME...MOT...LOC 1352Z 232DEG 15KT 3991 8400

$$

1 follow-up statement

106 
WWUS51 KILN 271357
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
957 AM EDT WED APR 27 2011

OHC023-271415-
/O.CON.KILN.TO.W.0032.000000T0000Z-110427T1415Z/
CLARK OH-
957 AM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 AM EDT FOR
NORTHWESTERN CLARK COUNTY...

AT 957 AM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
STATE ROUTE 41 AT STATE ROUTE 235...MOVING NORTHEAST AT 45 MPH. IN
ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS.

LOCATIONS IMPACTED INCLUDE...
SPRINGFIELD.

IN ADDITION...STATE ROUTE 41 AT STATE ROUTE 235...NORTH HAMPTON...
LAWRENCEVILLE...DIALTON...BUCK CREEK STATE PARK...TREMONT CITY AND
NEW MOOREFIELD ARE NEAR THE PATH OF THIS STORM.

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. 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 4003 8374 3997 8367 3984 8398 3985 8403
      3993 8405 4000 8404 4004 8401
TIME...MOT...LOC 1357Z 214DEG 41KT 3997 8398

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 3:23 AM EDT	Special Weather Statement	ILN	Darke	37 min
Apr 27, 3:38 AM EDT	Areal Flood Advisory	ILN	Darke, Preble	3 hr
Apr 27, 4:04 AM EDT	Areal Flood Advisory	ILN	Butler, Hamilton	3 hr
Apr 27, 4:46 AM EDT	Areal Flood Advisory	ILN	Auglaize, Miami, Montgomery, Shelby	3 hr
Apr 27, 7:15 AM EDT	Special Weather Statement	ILN	Preble	60 min
Apr 27, 8:17 AM EDT	Special Weather Statement	ILN	Butler, Hamilton, Montgomery, Warren	43 min
Apr 27, 8:23 AM EDT	Areal Flood Advisory	ILN	Clermont, Hamilton	3 hr
Apr 27, 9:00 AM EDT	Severe Thunderstorm Warning	ILN	Clermont, Hamilton	45 min
Apr 27, 9:24 AM EDT	Severe Thunderstorm Warning	ILN	Adams, Brown, Clermont, Clinton, Highland, Warren	51 min
Apr 27, 9:30 AM EDT	Special Weather Statement	ILN	Champaign, Clark, Greene, Hardin, Logan, Miami and 3 more	60 min
Apr 27, 9:49 AM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Clinton, Fayette, Greene, Logan and 6 more	41 min
Apr 27, 10:10 AM EDT	Severe Thunderstorm Warning	ILN	Clinton, Fayette, Highland, Pickaway, Ross	50 min
Apr 27, 10:11 AM EDT	Areal Flood Advisory	ILN	Adams, Brown, Clermont, Highland	3 hr
Apr 27, 10:14 AM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Fayette, Greene, Logan, Madison and 1 more	30 min
Apr 27, 10:28 AM EDT	Special Weather Statement	ILN	Adams, Pike, Ross	62 min
Apr 27, 10:53 AM EDT	Special Weather Statement	ILN	Delaware, Franklin, Union	52 min
Apr 27, 11:01 AM EDT	Special Weather Statement	ILN	Fairfield, Pickaway, Ross	29 min
Apr 27, 11:05 AM EDT	Severe Thunderstorm Warning	ILN	Franklin, Pickaway	25 min
Apr 27, 11:12 AM EDT	Severe Thunderstorm Warning	ILN	Fairfield, Franklin, Pickaway, Ross	48 min
Apr 27, 11:27 AM EDT	River Flood Advisory	ILN	Hamilton	10 hr
Apr 27, 11:29 AM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Licking	31 min
Apr 27, 12:04 PM EDT	Special Weather Statement	ILN	Licking	41 min
Apr 27, 7:15 PM EDT	Special Weather Statement	ILN	Scioto	60 min
Apr 27, 7:38 PM EDT	Areal Flood Advisory	ILN	Adams, Pike, Scioto	6 hr
Apr 27, 7:53 PM EDT	Special Weather Statement	ILN	Brown	52 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.