Alert archive / Indiana / Tornado Warnings in 2012
Tornado Warning 4, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at Aug 4, 2012, 6:18 PM EDT for Berrien County, Michigan; LaPorte County, Saint Joseph County, Indiana. It was in force for 42 min. 7 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
- Aug 4, 2012, 6:18 PM EDT (22:18 UTC)
- Expired
- Aug 4, 2012, 7:00 PM EDT
- In force
- 42 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
Counties LaPorte County, IN, Saint Joseph County, IN, Berrien County, MI
The radar
The Northern Indiana radar (KIWX), 76 km from the middle of the area, began a volume at 22:20 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 |
|---|---|---|---|
| Aug 4, 6:20 PM EDT | TSTM WND DMG | Rolling Prairie, IN | TREES AND POWER LINES DOWN. |
| Aug 4, 6:20 PM EDT | TORNADO | Rolling Prairie, IN | PRELIMINARY DAMAGE SURVEY BY EMERGENCY MANAGER INDICATES DAMAGE TO A RESIDENCE SOUTHEAST OF ROLLING PRARIE CONSISTENT WITH A TORNADIC ROTATION. WINDS DESTROYED THE CARPORT GARAGE AND ROOF SEPARATED SLIGHTLY FROM THE FRAME OF THE HOME. A NEARBY BARN WAS ALSO DE |
| Aug 4, 6:33 PM EDT | TSTM WND DMG | 2 N Niles, MI | 6 INCH TO 1 FOOT TREE LIMBS AND TREES DOWN. ALSO HAIL THE SIZE OF PING PONG BALLS. |
| Aug 4, 6:33 PM EDT | HAIL 1.5 | 2 N Niles, MI | 6 INCH TO 1 FOOT TREE LIMBS AND TREES DOWN. ALSO HAIL THE SIZE OF PING PONG BALLS. |
| Aug 4, 6:38 PM EDT | TSTM WND DMG | Galien, MI | LARGE TREE BRANCH DOWN. TIME ESTIMATED FROM RADAR. |
| Aug 4, 6:38 PM EDT | TSTM WND GST 65 | 4 W Roseland, IN | ESTIMATED 60 TO 70 MPH WINDS. TIME ESTIMATED FROM RADAR. |
| Aug 4, 6:50 PM EDT | TSTM WND DMG | 5 N La Porte, IN | A SMALL TREE REPORTED DOWN. |
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 |
|---|---|---|---|
| Aug 4, 5:35 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.3 hours before the alert went out and 253 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.
- Mixed-layer CAPE
- 3403 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 817 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
161
WFUS53 KIWX 042218
TORIWX
INC091-141-MIC021-042300-
/O.NEW.KIWX.TO.W.0004.120804T2218Z-120804T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
618 PM EDT SAT AUG 4 2012
THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN LA PORTE COUNTY IN NORTHWEST INDIANA...
NORTHWESTERN ST. JOSEPH COUNTY IN NORTH CENTRAL INDIANA...
SOUTHERN BERRIEN COUNTY IN SOUTHWEST MICHIGAN...
* UNTIL 700 PM EDT/600 PM CDT/
* AT 515 PM CDT...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. 4
MILES EAST OF LA PORTE...AND MOVING NORTHEAST AT 35 MPH.
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH IS ALSO POSSIBLE WITH THIS
SEVERE STORM.
* LOCATIONS IN THE PATH OF THIS SEVERE STORM INCLUDE...
NEW CARLISLE...
ROSELAND...BUCHANAN AND SOUTH BEND...
NILES...
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE HUDSON
LAKE...GALIEN...CHAIN-O-LAKES...LYDICK...DAYTON AND BERTRAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE WITH DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH. 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.
TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE
TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT
877-633-6772.
&&
LAT...LON 4191 8624 4168 8623 4160 8652 4165 8671
4174 8676
TIME...MOT...LOC 2218Z 242DEG 29KT 4164 8661
$$3 follow-up statements
507
WWUS53 KIWX 042225
SVSIWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
625 PM EDT SAT AUG 4 2012
INC091-141-MIC021-042300-
/O.CON.KIWX.TO.W.0004.000000T0000Z-120804T2300Z/
ST. JOSEPH IN-LA PORTE IN-BERRIEN MI-
625 PM EDT SAT AUG 4 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT/600 PM CDT/
FOR SOUTHEASTERN BERRIEN...NORTHEASTERN LA PORTE AND NORTHWESTERN ST.
JOSEPH COUNTIES...
AT 520 PM CDT...A POSSIBLE TORNADO WAS INDICATED BY NATIONAL WEATHER
SERVICE DOPPLER RADAR WITH THIS LINE OF DANGEROUS STORMS NEAR
ROLLING PRAIRIE...OR ABOUT 6 MILES NORTHEAST OF LA PORTE...AND
MOVING NORTHEAST AT 35 MPH.
LOCATIONS IN THE PATH OF THIS TORNADO WAS INCLUDE...
NEW CARLISLE...
BUCHANAN AND SOUTH BEND...
ROSELAND...
NILES...
OTHER LOCATIONS IMPACTED BY THIS POSSIBLE TORNADO INCLUDE HUDSON
LAKE...LYDICK...CHAIN-O-LAKES...DAYTON AND BERTRAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.
TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL
WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON
TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE
TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT
877-633-6772.
&&
LAT...LON 4162 8652 4166 8665 4176 8670 4191 8624
4168 8623
TIME...MOT...LOC 2224Z 242DEG 29KT 4167 8657
$$194 WWUS53 KIWX 042232 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 632 PM EDT SAT AUG 4 2012 INC091-141-MIC021-042300- /O.CON.KIWX.TO.W.0004.000000T0000Z-120804T2300Z/ ST. JOSEPH IN-LA PORTE IN-BERRIEN MI- 632 PM EDT SAT AUG 4 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM EDT/600 PM CDT/ FOR SOUTHEASTERN BERRIEN...NORTHEASTERN LA PORTE AND NORTHWESTERN ST. JOSEPH COUNTIES... AT 629 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION LOCATED NEAR NEW CARLISLE...OR ABOUT 11 MILES NORTHEAST OF LA PORTE...AND MOVING NORTHEAST AT 35 MPH. LOCATIONS IN THE PATH OF THIS TORNADO WAS INCLUDE... BUCHANAN... NILES AND ROSELAND... OTHER LOCATIONS IMPACTED BY THIS INCLUDE LYDICK...CHAIN-O-LAKES... DAYTON...INDIAN VILLAGE AND BERTRAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT 877-633-6772. && LAT...LON 4168 8650 4179 8661 4191 8624 4170 8623 TIME...MOT...LOC 2232Z 242DEG 29KT 4170 8649 $$
969 WWUS53 KIWX 042252 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 652 PM EDT SAT AUG 4 2012 INC091-141-MIC021-042302- /O.EXP.KIWX.TO.W.0004.000000T0000Z-120804T2300Z/ ST. JOSEPH IN-LA PORTE IN-BERRIEN MI- 652 PM EDT SAT AUG 4 2012 ...THE TORNADO WARNING FOR SOUTHEASTERN BERRIEN...NORTHEASTERN LA PORTE AND NORTHWESTERN ST. JOSEPH COUNTIES WILL EXPIRE AT 700 PM EDT/600 PM CDT/... AT 652 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE STORM WHICH PROMPTED THE WARNING HAD WEAKENED. THEREFORE...THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...POST YOUR INFORMATION ON THE NATIONAL WEATHER SERVICE NORTHERN INDIANA FACEBOOK PAGE...OR YOU CAN POST ON TWITTER WITH THE HASH TAG... @ N W S I W X. REPORTS CAN ALSO BE MADE TO THE NATIONAL PUBLIC OBSERVATION REPORTING HOTLINE TOLL FREE AT 877-633-6772. && LAT...LON 4168 8650 4179 8661 4191 8624 4170 8623 TIME...MOT...LOC 2252Z 242DEG 29KT 4178 8630 $$
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 4:17 PM EDT | Rip Current Statement | IWX | 38 hr | |
| Aug 4, 5:35 PM EDT | Severe Thunderstorm Warning | IWX | Berrien | 70 min |
| Aug 4, 6:08 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass | 52 min |
| Aug 4, 6:39 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Saint Joseph | 51 min |
| Aug 4, 6:50 PM EDT | Severe Thunderstorm Warning | IWX | Berrien, Cass, Saint Joseph | 28 min |
| Aug 4, 3:48 PM EDT | Special Weather Statement | IWX | Cass | 27 min |
| Aug 4, 3:55 PM EDT | Severe Thunderstorm Warning | IWX | Cass, Miami | 50 min |
| Aug 4, 4:20 PM EDT | Small Craft Advisory | IWX | 31 hr | |
| Aug 4, 4:24 PM EDT | Special Weather Statement | IWX | Grant | 21 min |
| Aug 4, 4:44 PM EDT | Special Weather Statement | IWX | Huntington | 31 min |
| Aug 4, 4:49 PM EDT | Special Weather Statement | IWX | Miami | 26 min |
| Aug 4, 4:51 PM EDT | Special Weather Statement | IWX | Marshall | 24 min |
| Aug 4, 4:57 PM EDT | Special Marine Warning | IWX | 2 hr | |
| Aug 4, 5:17 PM EDT | Special Weather Statement | IWX | Huntington, Wells, Whitley | 28 min |
| Aug 4, 5:18 PM EDT | Special Weather Statement | IWX | Kosciusko, Marshall | 27 min |
| Aug 4, 5:38 PM EDT | Special Weather Statement | IWX | Fulton | 52 min |
| Aug 4, 5:50 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Marshall, Pulaski | 40 min |
| Aug 4, 6:03 PM EDT | Special Weather Statement | IWX | Allen | 27 min |
| Aug 4, 6:11 PM EDT | Severe Thunderstorm Warning | IWX | Marshall, Saint Joseph, Starke | 49 min |
| Aug 4, 6:16 PM EDT | Special Weather Statement | IWX | LaGrange | 29 min |
| Aug 4, 7:01 PM EDT | Severe Thunderstorm Warning | IWX | Fulton, Kosciusko, Marshall, Miami, Wabash | 33 min |
| Aug 4, 7:12 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Kosciusko, Noble, Whitley | 48 min |
| Aug 4, 7:23 PM EDT | Severe Thunderstorm Warning | IWX | Grant | 52 min |
| Aug 4, 7:29 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Huntington, Wabash, Wells, Whitley | 46 min |
| Aug 4, 7:31 PM EDT | Special Weather Statement | IWX | Steuben | 44 min |
| Aug 4, 7:40 PM EDT | Severe Thunderstorm Warning | IWX | Allen, DeKalb | 50 min |
| Aug 4, 7:57 PM EDT | Areal Flood Advisory | IWX | Allen, DeKalb, Steuben | 93 min |
Nearby
Tornado Warnings in Indiana, 2012Tornado Warnings in Michigan, 2012Every tornado warning in 2012Tornadoes 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.