Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 49, NWS Northern Indiana

July 1, 20124 counties in Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 1, 2012, 3:27 PM EDT for 4 counties in Indiana. It was in force for 42 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: Jul 1, 2012, 3:27 PM EDT (19:27 UTC)
Expired: Jul 1, 2012, 4:09 PM EDT
In force: 42 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, Wabash County, IN

The radar

The Northern Indiana radar (KIWX), 52 km from the middle of the area, began a volume at 19:27 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

Time	Report	Where	Remark
Jul 1, 3:50 PM EDT	TSTM WND DMG	2 Se Gilead, IN	REPORTS OF TREES DOWN SOUTHEAST OF GILEAD. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 1, 1:16 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.5 hours before the alert went out and 234 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: 2061 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1957 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

578 
WUUS53 KIWX 011927
SVRIWX
INC017-049-103-169-012015-
/O.NEW.KIWX.SV.W.0049.120701T1927Z-120701T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
327 PM EDT SUN JUL 1 2012

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

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

* UNTIL 415 PM EDT

* AT 322 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS SEVERE STORM WAS LOCATED 
  10 MILES SOUTH OF ROCHESTER...AND MOVING EAST AT 20 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  AKRON...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE CHILI...
GILEAD...STOCKDALE...DISKO...ROANN...LAKETON AND IJAMSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH...
PREPARE IMMEDIATELY FOR QUARTER SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH...ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4102 8623 4105 8597 4105 8582 4084 8581
      4084 8622
TIME...MOT...LOC 1927Z 266DEG 17KT 4094 8610
WIND...HAIL 60MPH 1.00IN

$$

2 follow-up statements

960 
WWUS53 KIWX 011947
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
347 PM EDT SUN JUL 1 2012

INC017-011957-
/O.CAN.KIWX.SV.W.0049.000000T0000Z-120701T2015Z/
CASS IN-
347 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CASS COUNTY IS
CANCELLED...

AT 346 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD WEAKENED OR
MOVED OUT AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4085 8614 4103 8614 4105 8595 4105 8582
      4100 8581 4084 8581
TIME...MOT...LOC 1947Z 266DEG 17KT 4095 8598

$$

INC049-103-169-012015-
/O.CON.KIWX.SV.W.0049.000000T0000Z-120701T2015Z/
FULTON IN-WABASH IN-MIAMI IN-
347 PM EDT SUN JUL 1 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHERN MIAMI...NORTHWESTERN WABASH AND EXTREME EAST CENTRAL
FULTON COUNTIES...

AT 346 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS SEVERE STORM WAS
LOCATED 7 MILES SOUTH OF AKRON...OR ABOUT 12 MILES WEST OF NORTH
MANCHESTER...AND MOVING EAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  STOCKDALE...DISKO...ROANN...IJAMSVILLE AND LAKETON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH...
PREPARE IMMEDIATELY FOR QUARTER SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH....ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4085 8614 4103 8614 4105 8595 4105 8582
      4100 8581 4084 8581
TIME...MOT...LOC 1947Z 266DEG 17KT 4095 8598
WIND...HAIL 60MPH 1.00IN

$$

073 
WWUS53 KIWX 012009
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
409 PM EDT SUN JUL 1 2012

INC049-103-169-012019-
/O.CAN.KIWX.SV.W.0049.000000T0000Z-120701T2015Z/
FULTON IN-WABASH IN-MIAMI IN-
409 PM EDT SUN JUL 1 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MIAMI...NORTHWESTERN
WABASH AND EXTREME EAST CENTRAL FULTON COUNTIES IS CANCELLED...

AT 404 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD MOVED OUT OF
THE AREA AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.

&&

LAT...LON 4085 8614 4103 8614 4105 8595 4105 8582
      4100 8581 4084 8581
TIME...MOT...LOC 2009Z 266DEG 17KT 4096 8584

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 1:04 PM EDT	Special Weather Statement	IWX	White	26 min
Jul 1, 2:02 PM EDT	Special Marine Warning	IWX		118 min
Jul 1, 2:10 PM EDT	Special Weather Statement	IWX	White	35 min
Jul 1, 2:23 PM EDT	Severe Thunderstorm Warning	IWX	LaPorte, Pulaski, Saint Joseph, Starke	37 min
Jul 1, 2:24 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Grant, Miami, Wabash	51 min
Jul 1, 2:44 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Fulton, Miami, Pulaski, White	46 min
Jul 1, 2:56 PM EDT	Severe Thunderstorm Warning	IWX	Fulton, LaPorte, Marshall, Pulaski, Saint Joseph, Starke	49 min
Jul 1, 2:59 PM EDT	Special Weather Statement	IWX	Wabash	31 min
Jul 1, 3:16 PM EDT	Severe Thunderstorm Warning	IWX	Huntington, Wabash	44 min
Jul 1, 3:34 PM EDT	Severe Thunderstorm Warning	IWX	Kosciusko, Marshall	26 min
Jul 1, 3:43 PM EDT	Severe Thunderstorm Warning	IWX	Adams, Huntington, Wells	47 min
Jul 1, 3:59 PM EDT	Special Weather Statement	IWX	Huntington, Wabash	31 min
Jul 1, 3:59 PM EDT	Severe Thunderstorm Warning	IWX	Jay	46 min
Jul 1, 4:06 PM EDT	Special Weather Statement	IWX	LaGrange	24 min
Jul 1, 4:13 PM EDT	Special Weather Statement	IWX	Allen, DeKalb, Noble	32 min
Jul 1, 4:18 PM EDT	Severe Thunderstorm Warning	IWX	Adams, Jay	42 min
Jul 1, 4:25 PM EDT	Severe Thunderstorm Warning	IWX	LaGrange, Steuben	50 min
Jul 1, 4:52 PM EDT	Severe Thunderstorm Warning	IWX	DeKalb, Steuben	38 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Every severe thunderstorm warning in 2012

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.