Alert archive / Indiana / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 7, NWS Northern Indiana

April 21, 2016Cass County, Fulton County, Miami County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Apr 21, 2016, 9:37 PM EDT for Cass County, Fulton County, Miami County, Indiana. It was in force for 34 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: Apr 21, 2016, 9:37 PM EDT (01:37 UTC)
Expired: Apr 21, 2016, 10:11 PM EDT
In force: 34 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cass County, IN, Fulton County, IN, Miami County, IN

The radar

The Northern Indiana radar (KIWX), 72 km from the middle of the area, began a volume at 01:38 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

Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 211 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: 9 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1090 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: -9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

076 
WUUS53 KIWX 220137
SVRIWX
INC017-049-103-220230-
/O.NEW.KIWX.SV.W.0007.160422T0137Z-160422T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
937 PM EDT THU APR 21 2016

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MIAMI COUNTY IN NORTH CENTRAL INDIANA...
  SOUTHWESTERN FULTON COUNTY IN NORTH CENTRAL INDIANA...
  NORTHEASTERN CASS COUNTY IN NORTH CENTRAL INDIANA...

* UNTIL 1030 PM EDT

* AT 937 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ROYAL
  CENTER...OR 9 MILES NORTH OF LOGANSPORT...MOVING EAST AT 20 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  FULTON...MACY...METEA...GRASS CREEK...FLETCHER...TWELVE MILE...
  MARSHTOWN...DEEDSVILLE...LUCERNE...LEASES CORNER AND NYENA LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
SOME FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4082 8641 4093 8646 4104 8614 4085 8608
TIME...MOT...LOC 0137Z 257DEG 15KT 4089 8638 

HAIL...1.00IN
WIND...60MPH
 
$$

MARSILI

2 follow-up statements

067 
WWUS53 KIWX 220153
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
953 PM EDT THU APR 21 2016

INC017-049-103-220230-
/O.CON.KIWX.SV.W.0007.000000T0000Z-160422T0230Z/
MIAMI IN-FULTON IN-CASS IN-
953 PM EDT THU APR 21 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR NORTHWESTERN MIAMI...SOUTH CENTRAL FULTON AND NORTHEASTERN CASS
COUNTIES...

AT 952 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHWEST
OF MEXICO...OR 11 MILES NORTHEAST OF LOGANSPORT...MOVING EAST AT 20
MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

LOCATIONS IMPACTED INCLUDE...
FULTON...MACY...DEEDSVILLE...NYENA LAKE AND TWELVE MILE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4085 8630 4094 8633 4104 8614 4085 8608
TIME...MOT...LOC 0152Z 271DEG 18KT 4088 8621 

HAIL...1.00IN
WIND...60MPH
 
$$

MARSILI

949 
WWUS53 KIWX 220211
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1011 PM EDT THU APR 21 2016

INC017-049-103-220218-
/O.CAN.KIWX.SV.W.0007.000000T0000Z-160422T0230Z/
MIAMI IN-FULTON IN-CASS IN-
1011 PM EDT THU APR 21 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MIAMI...SOUTH
CENTRAL FULTON AND NORTHEASTERN CASS COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER...GUSTY WINDS TO 40
MPH AND SOME SMALL HAIL WILL REMAIN POSSIBLE THROUGH 1030 PM EDT
ACROSS NORTHERN MIAMI COUNTY.

LAT...LON 4085 8630 4094 8633 4104 8614 4085 8608
TIME...MOT...LOC 0205Z 257DEG 15KT 4090 8612 

$$

MARSILI

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 8:42 PM EDT	Special Weather Statement	IWX	White	33 min
Apr 21, 9:28 PM EDT	Special Weather Statement	IWX	Fulton	32 min
Apr 21, 9:58 PM EDT	Special Weather Statement	IWX	Miami, Wabash	32 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2016 Every severe thunderstorm warning 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.