Alert archive / Indiana / Tornado Warnings in 2016

Tornado Warning 8, NWS Northern Indiana

August 20, 2016Wells County, Indiana

NWS Northern Indiana issued this tornado warning at Aug 20, 2016, 5:05 PM EDT for Wells County, Indiana. It was in force for 12 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, 5:05 PM EDT (21:05 UTC)
Expired
Aug 20, 2016, 5:17 PM EDT
In force
12 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Wells County, IN

The radar

The Northern Indiana radar (KIWX), 71 km from the middle of the area, began a volume at 21:05 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, 9.1 hours before the alert went out and 197 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.

188 
WFUS53 KIWX 202105
TORIWX
INC179-202130-
/O.NEW.KIWX.TO.W.0008.160820T2105Z-160820T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
505 PM EDT SAT AUG 20 2016

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA  HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN WELLS COUNTY IN NORTHEASTERN INDIANA...

* UNTIL 530 PM EDT
    
* AT 505 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MARKLE...OR NEAR OSSIAN...MOVING
  NORTHEAST 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. 

* THIS DANGEROUS STORM WILL BE NEAR...
  OSSIAN AROUND 520 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
KINGSLAND AND UNIONDALE.

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.

&&

LAT...LON 4079 8527 4083 8530 4090 8517 4084 8513
TIME...MOT...LOC 2105Z 239DEG 23KT 4083 8526 

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

$$

MCS
1 follow-up statement
588 
WWUS53 KIWX 202117
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
517 PM EDT SAT AUG 20 2016

INC179-202127-
/O.CAN.KIWX.TO.W.0008.000000T0000Z-160820T2130Z/
WELLS IN-
517 PM EDT SAT AUG 20 2016

...THE TORNADO WARNING FOR NORTHEASTERN WELLS COUNTY IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE...THE WARNING HAS BEEN CANCELLED.  HOWEVER HEAVY RAIN IS
STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4079 8527 4083 8530 4090 8517 4084 8513
TIME...MOT...LOC 2116Z 239DEG 23KT 4087 8517 

$$

MCS

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 20, 4:18 AM EDTBeach Hazards StatementIWX45 hr
Aug 20, 2:56 PM EDTSpecial Weather StatementIWXFulton34 min
Aug 20, 3:21 PM EDTSpecial Weather StatementIWXMiami24 min
Aug 20, 3:49 PM EDTSpecial Weather StatementIWXGrant26 min
Aug 20, 4:01 PM EDTSpecial Weather StatementIWXKosciusko29 min
Aug 20, 4:04 PM EDTSpecial Weather StatementIWXLaGrange26 min
Aug 20, 4:16 PM EDTSpecial Weather StatementIWXGrant29 min
Aug 20, 4:33 PM EDTSpecial Weather StatementIWXBlackford, Grant, Wells42 min
Aug 20, 4:52 PM EDTSpecial Weather StatementIWXAllen38 min
Aug 20, 5:21 PM EDTSpecial Weather StatementIWXAdams, Jay39 min
Aug 20, 5:46 PM EDTTornado WarningIWXAllen16 min

Nearby

Tornado Warnings in Indiana, 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.