Alert archive / Ohio / Tornado Warnings in 2017

Tornado Warning 9, NWS Wilmington, OH

March 26, 2017Delaware County, Franklin County, Ohio

NWS Wilmington, OH issued this tornado warning at Mar 26, 2017, 7:52 PM EDT for Delaware County, Franklin County, Ohio. It was in force for 23 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 26, 2017, 7:52 PM EDT (23:52 UTC)
Expired: Mar 26, 2017, 8:15 PM EDT
In force: 23 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Delaware County, OH, Franklin County, OH

What was reported inside it

Time	Report	Where	Remark
Mar 26, 8:15 PM EDT	HAIL 0.75	3 Nne Gahanna, OH

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, 11.9 hours before the alert went out and 110 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: 36 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 732 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

200 
WFUS51 KILN 262352
TORILN
OHC041-049-270015-
/O.NEW.KILN.TO.W.0009.170326T2352Z-170327T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
752 PM EDT SUN MAR 26 2017

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Northeastern Franklin County in central Ohio...
  Southeastern Delaware County in central Ohio...

* Until 815 PM EDT.

* At 752 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Upper Arlington, moving east at 30 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...
  Columbus, Westerville, Upper Arlington, Gahanna, Worthington,
  Minerva Park, Easton, Polaris, New Albany, Riverlea, Clintonville,
  Huber Ridge and Center Village.

This includes I-71 in Ohio between mile markers 112 and 121.
 
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 4014 8276 4003 8277 4000 8303 4009 8310
      4024 8276
TIME...MOT...LOC 2352Z 253DEG 24KT 4005 8304 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Novak

2 follow-up statements

112 
WWUS51 KILN 270003
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
803 PM EDT SUN MAR 26 2017

OHC041-049-270015-
/O.CON.KILN.TO.W.0009.000000T0000Z-170327T0015Z/
Franklin OH-Delaware OH-
803 PM EDT SUN MAR 26 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
NORTHEASTERN FRANKLIN AND SOUTHEASTERN DELAWARE COUNTIES...
    
At 803 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Minerva Park, moving east at 30 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...
Columbus, Westerville, Gahanna, Worthington, Minerva Park, Easton,
New Albany, Riverlea, Center Village and Huber Ridge.

This includes I-71 in Ohio between mile markers 115 and 121.
 
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 4014 8276 4003 8277 4001 8297 4011 8305
      4024 8276
TIME...MOT...LOC 0003Z 253DEG 24KT 4007 8294 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Novak

224 
WWUS51 KILN 270015
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
815 PM EDT SUN MAR 26 2017

OHC041-049-270024-
/O.EXP.KILN.TO.W.0009.000000T0000Z-170327T0015Z/
Franklin OH-Delaware OH-
815 PM EDT SUN MAR 26 2017

...THE TORNADO WARNING FOR NORTHEASTERN FRANKLIN AND SOUTHEASTERN
DELAWARE COUNTIES WILL EXPIRE AT 815 PM EDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and 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 4014 8276 4003 8277 4001 8297 4011 8305
      4024 8276
TIME...MOT...LOC 0014Z 253DEG 24KT 4009 8285 

$$

Novak

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 5:17 PM EDT	Special Weather Statement	ILN	Darke	28 min
Mar 26, 5:40 PM EDT	Special Weather Statement	ILN	Hamilton	35 min
Mar 26, 6:08 PM EDT	Special Weather Statement	ILN	Shelby	37 min
Mar 26, 6:23 PM EDT	Special Weather Statement	ILN	Greene	37 min
Mar 26, 6:40 PM EDT	Special Weather Statement	ILN	Clinton	35 min
Mar 26, 6:42 PM EDT	Special Weather Statement	ILN	Madison	33 min
Mar 26, 6:48 PM EDT	Tornado Warning	ILN	Clark, Greene, Madison	27 min
Mar 26, 7:13 PM EDT	Tornado Warning	ILN	Franklin, Madison	32 min
Mar 26, 7:45 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin	30 min

Nearby

Tornado Warnings in Ohio, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.