Alert archive / Ohio / Tornado Warnings in 2016

Tornado Warning 20, NWS Wilmington, OH

August 20, 2016Champaign County, Logan County, Ohio

NWS Wilmington, OH issued this tornado warning at Aug 20, 2016, 7:22 PM EDT for Champaign County, Logan 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
Aug 20, 2016, 7:22 PM EDT (23:22 UTC)
Expired
Aug 20, 2016, 7:45 PM EDT
In force
23 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), 101 km from the middle of the area, began a volume at 23:25 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

TimeReportWhereRemark
Aug 20, 7:40 PM EDTTORNADO4 Se De Graff, OHTRAINED SPOTTER REPORTED TORNADO ON THE GROUND.

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, 11.4 hours before the alert went out and 100 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.

251 
WFUS51 KILN 202322
TORILN
OHC021-091-202345-
/O.NEW.KILN.TO.W.0020.160820T2322Z-160820T2345Z/

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

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHAMPAIGN COUNTY IN WEST CENTRAL OHIO...
  SOUTHERN LOGAN COUNTY IN WEST CENTRAL OHIO...

* UNTIL 745 PM EDT.

* AT 721 PM EDT...A SEVERE THUNDERSTORM WITH THE HISTORY OF
  PRODUCING A TORNADO WAS LOCATED NEAR DE GRAFF...MOVING EAST AT 25
  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...DE GRAFF...QUINCY...VALLEY HI...
  ZANESFIELD...ROSEWOOD...CARYSVILLE...SPRINGHILLS...MCMORRAN...
  PICKRELLTOWN AND LOGANSVILLE.

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 4045 8373 4022 8357 4020 8400 4031 8401
TIME...MOT...LOC 2321Z 251DEG 22KT 4025 8398 

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

$$

HAINES
1 follow-up statement
808 
WWUS51 KILN 202343
SVSILN

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

OHC021-091-202352-
/O.EXP.KILN.TO.W.0020.000000T0000Z-160820T2345Z/
CHAMPAIGN OH-LOGAN OH-
743 PM EDT SAT AUG 20 2016

...THE TORNADO WARNING FOR NORTHERN CHAMPAIGN AND SOUTHERN LOGAN
COUNTIES WILL EXPIRE AT 745 PM EDT...
    
THE TORNADO WARNING THAT WAS PREVIOUSLY IN EFFECT HAS BEEN REISSUED
FOR NORTHERN CHAMPAIGN AND LOGAN COUNTIES AND IS IN EFFECT UNTIL 815
PM. PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.

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 4045 8373 4022 8357 4020 8400 4031 8401
TIME...MOT...LOC 2341Z 251DEG 22KT 4025 8398 

$$

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, 7:37 PM EDTSevere Thunderstorm WarningILNChampaign, Clark, Darke, Miami, Shelby23 min
Aug 20, 7:42 PM EDTTornado WarningILNChampaign, Logan33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.