Alert archive / Ohio / Tornado Warnings in 2016

Tornado Warning 18, NWS Wilmington, OH

August 20, 2016Miami County, Shelby County, Ohio

NWS Wilmington, OH issued this tornado warning at Aug 20, 2016, 6:42 PM EDT for Miami County, Shelby 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, 6:42 PM EDT (22:42 UTC)
Expired
Aug 20, 2016, 7:15 PM EDT
In force
33 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Tornado
Observed
Hail
0.0 in

Counties Miami County, OH, Shelby County, OH

The radar

The Cincinnati radar (KILN), 89 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 89 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.

320 
WFUS51 KILN 202242
TORILN
OHC109-149-202315-
/O.NEW.KILN.TO.W.0018.160820T2242Z-160820T2315Z/

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

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MIAMI COUNTY IN WEST CENTRAL OHIO...
  SOUTH CENTRAL SHELBY COUNTY IN WEST CENTRAL OHIO...

* UNTIL 715 PM EDT.

* AT 640 PM EDT...A CONFIRMED TORNADO WAS LOCATED OVER PIQUA...MOVING
  NORTHEAST AT 30 MPH.

  HAZARD...DAMAGING TORNADO. 

  SOURCE...SPOTTER OBSERVED TORNADO.

  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...
  PIQUA...FLETCHER AND LOCKINGTON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4011 8432 4017 8434 4027 8413 4015 8403
TIME...MOT...LOC 2240Z 246DEG 24KT 4014 8431 

TORNADO...OBSERVED
HAIL...0.00IN

$$

HAINES
2 follow-up statements
637 
WWUS51 KILN 202255
SVSILN

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

OHC109-149-202315-
/O.CON.KILN.TO.W.0018.000000T0000Z-160820T2315Z/
MIAMI OH-SHELBY OH-
655 PM EDT SAT AUG 20 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR
NORTHEASTERN MIAMI AND SOUTH CENTRAL SHELBY COUNTIES...
    
AT 654 PM EDT...A CONFIRMED TORNADO WAS LOCATED NEAR PIQUA...MOVING
NORTHEAST AT 30 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

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...
PIQUA...FLETCHER AND LOCKINGTON. 

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 4013 8423 4020 8426 4027 8413 4015 8403
TIME...MOT...LOC 2254Z 246DEG 24KT 4018 8420 

TORNADO...OBSERVED
HAIL...0.00IN

$$

HAINES
566 
WWUS51 KILN 202309
SVSILN

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

OHC109-149-202317-
/O.EXP.KILN.TO.W.0018.000000T0000Z-160820T2315Z/
MIAMI OH-SHELBY OH-
709 PM EDT SAT AUG 20 2016

...THE TORNADO WARNING FOR NORTHEASTERN MIAMI AND SOUTH CENTRAL
SHELBY COUNTIES WILL EXPIRE AT 715 PM EDT...
    
THE TORNADO WARNING THAT WAS PREVIOUSLY IN EFFECT HAS BEEN REISSUED
FOR MIAMI...CHAMPAIGN...SHELBY AND LOGAN COUNTIES AND IS IN EFFECT
UNTIL 730 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 4013 8423 4020 8426 4027 8413 4015 8403
TIME...MOT...LOC 2305Z 246DEG 24KT 4018 8420 

$$

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, 6:48 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, 7:42 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.