Alert archive / Ohio / Tornado Warnings in 2016

Tornado Warning 22, NWS Wilmington, OH

August 20, 2016Champaign County, Madison County, Union County, Ohio

NWS Wilmington, OH issued this tornado warning at Aug 20, 2016, 9:14 PM EDT for Champaign County, Madison County, Union County, Ohio. It was in force for 31 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: Aug 20, 2016, 9:14 PM EDT (01:14 UTC)
Expired: Aug 20, 2016, 9:45 PM EDT
In force: 31 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Champaign County, OH, Madison County, OH, Union County, OH

The radar

The Cincinnati radar (KILN), 77 km from the middle of the area, began a volume at 01:15 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 00:00Z, 1.2 hours before the alert went out and 76 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: 264 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 922 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted.

495 
WFUS51 KILN 210114
TORILN
OHC021-097-159-210145-
/O.NEW.KILN.TO.W.0022.160821T0114Z-160821T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
914 PM EDT SAT AUG 20 2016

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL UNION COUNTY IN CENTRAL OHIO...
  SOUTHEASTERN CHAMPAIGN COUNTY IN WEST CENTRAL OHIO...
  NORTH CENTRAL MADISON COUNTY IN CENTRAL OHIO...

* UNTIL 945 PM EDT.

* AT 913 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MECHANICSBURG...MOVING EAST AT 20 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...
  MECHANICSBURG...MUTUAL...STATE ROUTE 4 AT STATE ROUTE 161...
  CHUCKERY...ROSEDALE AND PLUMWOOD.

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 8340 4005 8368 4012 8369 4017 8338
TIME...MOT...LOC 0113Z 264DEG 18KT 4008 8364 

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

$$

HAINES

1 follow-up statement

780 
WWUS51 KILN 210137
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
937 PM EDT SAT AUG 20 2016

OHC021-097-159-210146-
/O.EXP.KILN.TO.W.0022.000000T0000Z-160821T0145Z/
UNION OH-CHAMPAIGN OH-MADISON OH-
937 PM EDT SAT AUG 20 2016

...THE TORNADO WARNING FOR SOUTH CENTRAL UNION COUNTY IN CENTRAL
OHIO...SOUTHEASTERN CHAMPAIGN COUNTY IN WEST CENTRAL OHIO AND NORTH
CENTRAL MADISON COUNTIES IN CENTRAL OHIO WILL EXPIRE AT 945 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

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 8340 4005 8368 4012 8369 4017 8338
TIME...MOT...LOC 0135Z 264DEG 18KT 4008 8364 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 8:06 PM EDT	Severe Thunderstorm Warning	ILN	Logan, Union	24 min
Aug 20, 9:06 PM EDT	Special Weather Statement	ILN	Champaign	24 min

Nearby

Tornado Warnings in Ohio, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.