Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 3, NWS Northern Indiana

April 27, 2011Jay County, Indiana

NWS Northern Indiana issued this tornado warning at Apr 27, 2011, 10:54 PM EDT for Jay County, Indiana. It was in force for 51 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: Apr 27, 2011, 10:54 PM EDT (02:54 UTC)
Expired: Apr 27, 2011, 11:45 PM EDT
In force: 51 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon

County Jay County, IN

The radar

The Northern Indiana radar (KIWX), 119 km from the middle of the area, began a volume at 02:56 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
Apr 27, 11:35 PM EDT	TSTM WND GST 57	New Corydon, IN

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
Apr 27, 7:22 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.9 hours before the alert went out and 151 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: 775 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 521 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

032 
WFUS53 KIWX 280254
TORIWX
INC075-280345-
/O.NEW.KIWX.TO.W.0003.110428T0254Z-110428T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1054 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  JAY COUNTY IN EAST CENTRAL INDIANA...

* UNTIL 1145 PM EDT

* AT 1052 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE SQUALL LINE CAPABLE OF PRODUCING BRIEF RAIN-WRAPPED
  TORNADOES IN ADDITION TO WIDESPREAD STRAIGHT LINE WIND DAMAGE.
  ALONG A LINE EXTENDING FROM 4 MILES NORTH OF REDKEY TO 12 MILES
  SOUTH OF REDKEY TO 23 MILES SOUTH OF REDKEY...AND MOVING NORTHEAST
  AT 35 MPH.

* LOCATIONS IN THE PATH OF THESE SEVERE STORMS INCLUDE...
  PORTLAND...

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
POWERS...NEW MOUNT PLEASANT...COMO...CENTER...BLAINE...COLLETT...
LIBER...COLLEGE CORNER...BRYANT...BLUFF POINT...WESTCHESTER AND
BRICE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE WITH. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES
OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF
NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST DITCH OR OTHER LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4032 8522 4038 8521 4039 8520 4045 8520
      4059 8483 4059 8480 4057 8479 4032 8480
      4032 8481
TIME...MOT...LOC 0254Z 218DEG 32KT 4041 8511 4018 8512
          4003 8519

$$


JC

3 follow-up statements

667 
WWUS53 KIWX 280307
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1107 PM EDT WED APR 27 2011

INC075-280345-
/O.CON.KIWX.TO.W.0003.000000T0000Z-110428T0345Z/
JAY IN-
1107 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR JAY
COUNTY...

AT 1104 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE
STORM WAS LOCATED 11 MILES SOUTH OF PORTLAND...OR ABOUT 10 MILES
SOUTHEAST OF DUNKIRK...AND MOVING NORTHEAST AT 60 MPH.

LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  PORTLAND...

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
SALAMONIA...BRICE...BELLFOUNTAIN...BRYANT...TRINITY...WESTCHESTER AND
NEW CORYDON.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT THURSDAY MORNING
FOR NORTHEASTERN INDIANA AND WEST CENTRAL OHIO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

&&

LAT...LON 4032 8515 4048 8513 4059 8483 4059 8480
      4057 8479 4032 8480
TIME...MOT...LOC 0307Z 212DEG 62KT 4033 8501

$$


JC

883 
WWUS53 KIWX 280321
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1121 PM EDT WED APR 27 2011

INC075-280345-
/O.CON.KIWX.TO.W.0003.000000T0000Z-110428T0345Z/
JAY IN-
1121 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR EASTERN
JAY COUNTY...

AT 1117 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF SEVERE THUNDERSTORMS WITH STRONG ROTATION. THIS 
STORM IS ALSO CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING 
WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A 
LINE EXTENDING FROM PORTLAND TO 17 MILES SOUTH OF PORTLAND...AND 
MOVING NORTHEAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  BOUNDARY CITY...BRYANT...BRICE...WESTCHESTER...SALAMONIA...
  BELLFOUNTAIN...TRINITY AND NEW CORYDON.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT THURSDAY MORNING
FOR NORTHEASTERN INDIANA AND WEST CENTRAL OHIO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

&&

LAT...LON 4032 8508 4049 8509 4059 8483 4059 8480
      4057 8479 4032 8480
TIME...MOT...LOC 0320Z 214DEG 39KT 4046 8499 4022 8493

$$


JC

542 
WWUS53 KIWX 280342
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1142 PM EDT WED APR 27 2011

INC075-280352-
/O.EXP.KIWX.TO.W.0003.000000T0000Z-110428T0345Z/
JAY IN-
1142 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR EASTERN JAY COUNTY WILL EXPIRE AT 1145 PM
EDT...

AT 1138 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD
MOVED OUT OF THE AREA. THEREFORE...THE TORNADO WARNING HAS BEEN
ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT THURSDAY MORNING
FOR NORTHEASTERN INDIANA AND WEST CENTRAL OHIO.

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 4032 8508 4049 8509 4059 8483 4059 8480
      4057 8479 4032 8480
TIME...MOT...LOC 0342Z 214DEG 39KT 4066 8481 4042 8475

$$


JC

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 12:56 AM EDT	River Flood Warning	IWX	Carroll, White	35 hr
Apr 28, 1:28 AM EDT	Wind Advisory	IWX	Adams, Allen, Blackford, Cass, DeKalb, Fulton and 10 more	10 hr
Apr 28, 1:52 AM EDT	Areal Flood Warning	IWX	Cass, Elkhart, Fulton, Grant, Huntington, Kosciusko and 11 more	9 hr
Apr 28, 3:21 AM EDT	Areal Flood Warning	IWX	Adams, Jay	9 hr
Apr 28, 4:27 AM EDT	Small Craft Advisory	IWX		25 hr
Apr 28, 9:02 AM EDT	River Flood Warning	IWX	Elkhart, Noble	47 hr
Apr 28, 9:02 AM EDT	River Flood Warning	IWX	Elkhart, Saint Joseph	3 days
Apr 28, 9:02 AM EDT	River Flood Warning	IWX	Elkhart, Saint Joseph	58 hr
Apr 28, 9:05 AM EDT	River Flood Watch	IWX	Elkhart	12 hr
Apr 28, 12:29 PM EDT	River Flood Warning	IWX	Allen	46 hr
Apr 28, 4:08 PM EDT	River Flood Warning	IWX	Elkhart, Saint Joseph	30 hr

Nearby

Tornado Warnings in Indiana, 2011 Every tornado warning in 2011 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.