Alert archive / Indiana / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 113, NWS Northern Indiana

June 11, 2011Blackford County, Grant County, Jay County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jun 11, 2011, 2:42 AM EDT for Blackford County, Grant County, Jay County, Indiana. It was in force for 25 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
Jun 11, 2011, 2:42 AM EDT (06:42 UTC)
Expired
Jun 11, 2011, 3:07 AM EDT
In force
25 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Hail
0.5 in
Wind
60.0 mph

Counties Blackford County, IN, Grant County, IN, Jay County, IN

The radar

The Northern Indiana radar (KIWX), 115 km from the middle of the area, began a volume at 06:45 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, 6.7 hours before the alert went out and 290 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, Lincoln, IL at 00:00Z on 2011-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1004 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, Lincoln, IL at 00:00Z on 2011-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.19395878Sfc1 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
1004 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1475 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
113 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.

267 
WUUS53 KIWX 110642
SVRIWX
INC009-053-075-110745-
/O.NEW.KIWX.SV.W.0113.110611T0642Z-110611T0745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
242 AM EDT SAT JUN 11 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BLACKFORD COUNTY IN EAST CENTRAL INDIANA...
  JAY COUNTY IN EAST CENTRAL INDIANA...
  SOUTHEASTERN GRANT COUNTY IN CENTRAL INDIANA...

* UNTIL 345 AM EDT

* AT 237 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE SEVERE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 12 MILES WEST OF DUNKIRK TO 3 MILES WEST OF DUNKIRK
  TO REDKEY TO 24 MILES SOUTH OF REDKEY...AND MOVING EAST AT 55 MPH.

* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  PORTLAND...
  SHAMROCK LAKES...
  MILL GROVE...
  DUNKIRK...
  REDKEY...
  NEW MOUNT PLEASANT...
  COMO...

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE 
TRENTON...POWERS...LIBER...COLLETT...CENTER...COLLEGE CORNER...BLUFF 
POINT...BLAINE...BRICE AND BOUNDARY CITY.

LAT...LON 4039 8522 4039 8555 4040 8555 4056 8479
      4032 8481 4031 8521
TIME...MOT...LOC 0640Z 253DEG 49KT 4045 8536 4040 8522
          4033 8515 4001 8512
WIND...HAIL 60MPH <.50IN

$$
2 follow-up statements
484 
WWUS53 KIWX 110659
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
259 AM EDT SAT JUN 11 2011

INC053-110707-
/O.CAN.KIWX.SV.W.0113.000000T0000Z-110611T0745Z/
GRANT IN-
259 AM EDT SAT JUN 11 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GRANT COUNTY IS
CANCELLED...

AT 255 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD 
EXITED GRANT COUNTY AND NO LONGER POSES IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED. GUSTY WINDS TO 40 MPH AND BRIEF TORRENTIAL RAIN WILL 
REMAIN POSSIBLE HOWEVER.

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 4039 8522 4039 8543 4042 8537 4056 8479
      4032 8481 4031 8521
TIME...MOT...LOC 0657Z 253DEG 49KT 4046 8530 4046 8512
          4034 8503 4009 8517

$$

INC009-075-110745-
/O.CON.KIWX.SV.W.0113.000000T0000Z-110611T0745Z/
JAY IN-BLACKFORD IN-
259 AM EDT SAT JUN 11 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM EDT
FOR SOUTHEASTERN BLACKFORD AND JAY COUNTIES...

AT 255 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS TO 60 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM 9 MILES NORTHWEST OF DUNKIRK TO 6 MILES NORTHEAST OF 
DUNKIRK TO 5 MILES EAST OF REDKEY TO 19 MILES SOUTH OF REDKEY...AND 
MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  PORTLAND...BLAINE...CENTER...BLUFF POINT...COLLETT...COLLEGE
  CORNER...LIBER...BOUNDARY CITY...BRICE AND SALAMONIA.

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 4039 8522 4039 8543 4042 8537 4056 8479
      4032 8481 4031 8521
TIME...MOT...LOC 0657Z 253DEG 49KT 4046 8530 4046 8512
          4034 8503 4009 8517
WIND...HAIL 60MPH <.50IN

$$
637 
WWUS53 KIWX 110707
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
307 AM EDT SAT JUN 11 2011

INC009-075-110716-
/O.CAN.KIWX.SV.W.0113.000000T0000Z-110611T0745Z/
JAY IN-BLACKFORD IN-
307 AM EDT SAT JUN 11 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BLACKFORD AND JAY
COUNTIES IS CANCELLED...

AT 304 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD
WEAKENED AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. 
BRIEF HEAVY RAINS AND WIND GUSTS TO 40 MPH WILL REMAIN POSSIBLE WITH 
THESE THUNDERSTORMS.

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 4039 8522 4039 8543 4042 8537 4056 8479
      4032 8481 4031 8521
TIME...MOT...LOC 0706Z 253DEG 49KT 4046 8530 4046 8512
          4034 8503 4009 8517

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 2:19 AM EDTSpecial Weather StatementIWXBlackford, Jay41 min
Jun 11, 5:11 AM EDTRip Current StatementIWX39 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2011Every severe thunderstorm warning in 2011

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.