Alert archive / Ohio / Tornado Warnings in 2019

Tornado Warning 13, NWS Wilmington, OH

April 12, 2019Clark County, Ohio

NWS Wilmington, OH issued this tornado warning at Apr 12, 2019, 8:35 AM EDT for Clark County, Ohio. It was in force for 9 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: Apr 12, 2019, 8:35 AM EDT (12:35 UTC)
Expired: Apr 12, 2019, 8:44 AM EDT
In force: 9 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Clark County, OH

The radar

The Cincinnati radar (KILN), 63 km from the middle of the area, began a volume at 12:36 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 12, 8:35 AM EDT	TORNADO	1 Sw South Vienna, OH	VIDEO SENT VIA FACEBOOK TO TV MEDIA, RELAYED TO NWS. BRIEF SPIN UP, APPARANTLY OVER OPEN FIELDS.
Apr 12, 8:36 AM EDT	TSTM WND DMG	1 W Catawba, OH	SIDING DAMAGE ON HOUSE AND BARN, ROOF DAMAGE, FIVE TREES SNAPPED ABOVE GROUND, DECK DAMAGE. TIME ESTIMATED FROM RADAR.

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, 0.6 hours before the alert went out and 61 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: 14 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 1489 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 494 m²/s²
0-3 km storm-relative helicity: 549 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

526 
WFUS51 KILN 121235
TORILN
OHC023-121300-
/O.NEW.KILN.TO.W.0013.190412T1235Z-190412T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
835 AM EDT FRI APR 12 2019

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Northeastern Clark County in west central Ohio...

* Until 900 AM EDT.
    
* At 835 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near Springfield, moving northeast at 65 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Springfield, Harmony, Brighton, South Vienna, Catawba, Buck Creek
  State Park and Plattsburg.

This includes I-70 in Ohio between mile markers 60 and 70.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 4001 8351 3996 8352 3990 8355 3987 8369
      3994 8376 4002 8367
TIME...MOT...LOC 1235Z 234DEG 56KT 3994 8368 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Binau

2 follow-up statements

418 
WWUS51 KILN 121239
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
839 AM EDT FRI APR 12 2019

OHC023-121300-
/O.CON.KILN.TO.W.0013.000000T0000Z-190412T1300Z/
Clark OH-
839 AM EDT FRI APR 12 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR
NORTHEASTERN CLARK COUNTY...
    
At 839 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Mechanicsburg, moving northeast at 65 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Brighton, South Vienna, Catawba and Plattsburg. 

This includes I-70 in Ohio between mile markers 63 and 70.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 4001 8351 3996 8352 3990 8355 3988 8365
      3997 8372 4002 8367
TIME...MOT...LOC 1239Z 232DEG 56KT 3999 8361 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

Binau

760 
WWUS51 KILN 121244
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
844 AM EDT FRI APR 12 2019

OHC023-121254-
/O.CAN.KILN.TO.W.0013.000000T0000Z-190412T1300Z/
Clark OH-
844 AM EDT FRI APR 12 2019

...THE TORNADO WARNING FOR NORTHEASTERN CLARK COUNTY IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.

Please report previous tornadoes, wind damage or hail to the National
Weather Service by going to our website at weather.gov/iln and
submitting your report via social media.

LAT...LON 4001 8351 3996 8352 3990 8355 3988 8365
      3997 8372 4002 8367
TIME...MOT...LOC 1242Z 234DEG 56KT 4004 8352 

$$

Binau

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 6:27 AM EDT	Special Weather Statement	ILN	Darke	33 min
Apr 12, 7:25 AM EDT	Special Weather Statement	ILN	Butler	35 min
Apr 12, 7:31 AM EDT	Special Weather Statement	ILN	Montgomery, Preble	44 min
Apr 12, 7:38 AM EDT	Severe Thunderstorm Warning	ILN	Butler, Montgomery, Warren	37 min
Apr 12, 7:47 AM EDT	Severe Thunderstorm Warning	ILN	Champaign, Hardin, Logan, Miami, Shelby	28 min
Apr 12, 7:50 AM EDT	Special Weather Statement	ILN	Hamilton, Warren	25 min
Apr 12, 7:56 AM EDT	Tornado Warning	ILN	Clermont, Hamilton	8 min
Apr 12, 8:04 AM EDT	Severe Thunderstorm Warning	ILN	Clermont, Hamilton, Warren	26 min
Apr 12, 8:05 AM EDT	Special Weather Statement	ILN	Clark, Greene, Montgomery	25 min
Apr 12, 8:06 AM EDT	Special Weather Statement	ILN	Clermont	24 min
Apr 12, 8:20 AM EDT	Severe Thunderstorm Warning	ILN	Champaign, Clark, Greene, Madison	25 min
Apr 12, 8:26 AM EDT	Special Weather Statement	ILN	Clermont	19 min
Apr 12, 8:27 AM EDT	Special Weather Statement	ILN	Clermont, Clinton	33 min
Apr 12, 8:40 AM EDT	Special Weather Statement	ILN	Brown	20 min
Apr 12, 8:54 AM EDT	Special Weather Statement	ILN	Brown, Fayette, Highland, Madison	36 min
Apr 12, 9:07 AM EDT	Special Weather Statement	ILN	Delaware	23 min
Apr 12, 9:12 AM EDT	Severe Thunderstorm Warning	ILN	Delaware	18 min
Apr 12, 9:19 AM EDT	Special Weather Statement	ILN	Adams, Pike, Ross	26 min
Apr 12, 9:29 AM EDT	Special Weather Statement	ILN	Fairfield, Franklin, Licking, Pickaway, Ross	46 min
Apr 12, 9:46 AM EDT	Special Weather Statement	ILN	Pike, Ross	29 min

Nearby

Tornado Warnings in Ohio, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.