Alert archive / Ohio / Tornado Warnings in 2016

Tornado Warning 21, NWS Wilmington, OH

August 20, 2016Champaign County, Logan County, Ohio

NWS Wilmington, OH issued this tornado warning at Aug 20, 2016, 7:42 PM EDT for Champaign County, Logan County, Ohio. It was in force for 33 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, 7:42 PM EDT (23:42 UTC)
Expired
Aug 20, 2016, 8:15 PM EDT
In force
33 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Champaign County, OH, Logan County, OH

The radar

The Cincinnati radar (KILN), 98 km from the middle of the area, began a volume at 23:43 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 12:00Z, 11.7 hours before the alert went out and 97 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2016-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 293 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2016-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
293 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
703 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

839 
WFUS51 KILN 202342
TORILN
OHC021-091-210015-
/O.NEW.KILN.TO.W.0021.160820T2342Z-160821T0015Z/

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

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CHAMPAIGN COUNTY IN WEST CENTRAL OHIO...
  SOUTHEASTERN LOGAN COUNTY IN WEST CENTRAL OHIO...

* UNTIL 815 PM EDT.

* AT 741 PM EDT...A SEVERE THUNDERSTORM WITH A HISTORY OF
  PRODUCING A TORNADO NEAR DE GRAFF...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...
  BELLEFONTAINE...WEST LIBERTY...NORTH LEWISBURG...DE GRAFF...
  RUSHSYLVANIA...VALLEY HI...ZANESFIELD...MIDDLEBURG...SPRINGHILLS...
  EAST LIBERTY...PICKRELLTOWN AND NEW JERUSALEM.

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 4022 8356 4021 8389 4034 8392 4050 8358
TIME...MOT...LOC 2341Z 253DEG 25KT 4030 8383 

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

$$

HAINES
2 follow-up statements
702 
WWUS51 KILN 202356
SVSILN

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

OHC021-091-210015-
/O.CON.KILN.TO.W.0021.000000T0000Z-160821T0015Z/
CHAMPAIGN OH-LOGAN OH-
756 PM EDT SAT AUG 20 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
NORTHEASTERN CHAMPAIGN AND EASTERN LOGAN COUNTIES...
    
AT 756 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BELLEFONTAINE...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...
BELLEFONTAINE...WEST LIBERTY...NORTH LEWISBURG...RUSHSYLVANIA...
VALLEY HI...ZANESFIELD...MIDDLEBURG...EAST LIBERTY...
PICKRELLTOWN AND NEW JERUSALEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4022 8356 4022 8381 4037 8385 4050 8358
TIME...MOT...LOC 2356Z 253DEG 25KT 4033 8370 

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

$$

HAINES
174 
WWUS51 KILN 210008
SVSILN

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

OHC021-091-210016-
/O.EXP.KILN.TO.W.0021.000000T0000Z-160821T0015Z/
CHAMPAIGN OH-LOGAN OH-
808 PM EDT SAT AUG 20 2016

...THE TORNADO WARNING FOR NORTHEASTERN CHAMPAIGN AND EASTERN LOGAN
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.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
UNION AND LOGAN COUNTIES.

LAT...LON 4022 8356 4022 8381 4037 8385 4050 8358
TIME...MOT...LOC 0004Z 253DEG 25KT 4033 8370 

$$

AR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 8:16 PM EDTAreal Flood AdvisoryILNClermont, Hamilton, Warren119 min
Aug 20, 5:43 PM EDTSpecial Weather StatementILNMercer32 min
Aug 20, 5:50 PM EDTSpecial Weather StatementILNDarke40 min
Aug 20, 5:53 PM EDTSpecial Weather StatementILNMercer37 min
Aug 20, 5:59 PM EDTSevere Thunderstorm WarningILNDarke, Miami, Shelby31 min
Aug 20, 6:04 PM EDTSevere Thunderstorm WarningILNAuglaize, Darke, Mercer, Shelby26 min
Aug 20, 6:15 PM EDTTornado WarningILNAuglaize, Darke, Mercer, Shelby8 min
Aug 20, 6:26 PM EDTTornado WarningILNDarke, Miami19 min
Aug 20, 6:32 PM EDTSpecial Weather StatementILNShelby28 min
Aug 20, 6:42 PM EDTTornado Warning Tornado observedILNMiami, Shelby33 min
Aug 20, 6:48 PM EDTSpecial Weather StatementILNAuglaize27 min
Aug 20, 7:02 PM EDTTornado WarningILNChampaign, Logan, Miami, Shelby28 min
Aug 20, 7:22 PM EDTTornado WarningILNChampaign, Logan23 min
Aug 20, 7:37 PM EDTSevere Thunderstorm WarningILNChampaign, Clark, Darke, Miami, Shelby23 min
Aug 20, 7:57 PM EDTAreal Flood AdvisoryILNChampaign, Logan, Miami, Shelby3 hr

Nearby

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