Alert archive / Indiana / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Northern Indiana

June 1, 2009Adams County, Allen County, Wells County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 1, 2009, 7:06 PM EDT for Adams County, Allen County, Wells County, Indiana. It was in force for 41 min. 3 reports 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: Jun 1, 2009, 7:06 PM EDT (23:06 UTC)
Expired: Jun 1, 2009, 7:47 PM EDT
In force: 41 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon

Counties Adams County, IN, Allen County, IN, Wells County, IN

The radar

The Northern Indiana radar (KIWX), 77 km from the middle of the area, began a volume at 23:06 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
Jun 1, 7:06 PM EDT	HAIL 0.75	4 N Bluffton, IN
Jun 1, 7:07 PM EDT	HAIL 0.25	Decatur, IN
Jun 1, 7:15 PM EDT	HAIL 0.25	Hoagland, IN	PEA SIZE HAIL IN HOAGLAND ALONG WITH RAINFALL RATES OF 1 INCH PER HOUR.

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
Jun 1, 3:37 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.1 hours before the alert went out and 192 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1714 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 172 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.

000 
WUUS53 KIWX 012306
SVRIWX
INC001-003-179-020000-
/O.NEW.KIWX.SV.W.0021.090601T2306Z-090602T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
706 PM EDT MON JUN 1 2009

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ADAMS COUNTY IN NORTHEAST INDIANA
  SOUTHEASTERN ALLEN COUNTY IN NORTHEAST INDIANA
  NORTHEASTERN WELLS COUNTY IN NORTHEAST INDIANA

* UNTIL 800 PM EDT

* AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING UP TO QUARTER  
  SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE SEVERE  
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM POE TO MURRAY...OR 
  ALONG A LINE EXTENDING FROM 5 MILES NORTHEAST OF OSSIAN TO 4 MILES 
  NORTH OF BLUFFTON...AND MOVING EAST AT 25 MPH.

* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  DECATUR...
  MONROEVILLE...
  MIDDLETOWN AND CURRYVILLE...
  MAGLEY...
  WILLIAMS...PREBLE AND PETERSON...
  MONMOUTH...

THIS INCLUDES INTERSTATE 469 BETWEEN MILE MARKERS 5 AND 13.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF SEVERE THUNDERSTORMS. 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.

&&

LAT...LON 4077 8522 4097 8520 4103 8480 4081 8480
TIME...MOT...LOC 2306Z 270DEG 21KT 4095 8512 4080 8515

$$

1 follow-up statement

000 
WWUS53 KIWX 012347
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
747 PM EDT MON JUN 1 2009

INC001-003-179-012357-
/O.CAN.KIWX.SV.W.0021.000000T0000Z-090602T0000Z/
ALLEN IN-ADAMS IN-WELLS IN-
747 PM EDT MON JUN 1 2009

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WELLS...NORTHERN
ADAMS AND SOUTHEASTERN ALLEN COUNTIES IN NORTHEAST INDIANA IS
CANCELLED...

AT 747 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS 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.

IF YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW 
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4077 8522 4097 8520 4103 8480 4081 8480
TIME...MOT...LOC 2347Z 270DEG 21KT 4095 8480 4080 8483

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 5:10 AM EDT	Special Marine Warning	IWX		95 min
Jun 1, 5:24 AM EDT	Special Weather Statement	IWX	LaPorte, Saint Joseph	51 min
Jun 1, 6:09 AM EDT	Special Weather Statement	IWX	Elkhart, Fulton, Kosciusko, Marshall, Pulaski, Starke	66 min
Jun 1, 6:42 AM EDT	Special Weather Statement	IWX	Adams, Allen, DeKalb, Huntington, LaGrange, Noble and 3 more	63 min
Jun 1, 7:33 AM EDT	Special Weather Statement	IWX	Adams, Blackford, Grant, Jay, Wells	57 min
Jun 1, 8:35 AM EDT	Special Weather Statement	IWX	Blackford, Jay, Wells	25 min
Jun 1, 5:56 PM EDT	Special Weather Statement	IWX	Wells	34 min
Jun 1, 6:00 PM EDT	Special Weather Statement	IWX	Grant	30 min
Jun 1, 6:09 PM EDT	Severe Thunderstorm Warning	IWX	Grant	66 min
Jun 1, 6:19 PM EDT	Severe Thunderstorm Warning	IWX	Grant, Huntington, Miami, Wabash	56 min
Jun 1, 6:31 PM EDT	Flash Flood Watch	IWX	Adams, Blackford, Cass, Grant, Huntington, Jay and 4 more	7 hr
Jun 1, 6:45 PM EDT	Severe Thunderstorm Warning	IWX	Adams, Blackford, Huntington, Jay, Wells	60 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2009 Every severe thunderstorm warning in 2009

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.