Alert archive / Indiana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 82, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jul 18, 2012, 11:26 PM CDT for 4 counties in Indiana. It was in force for 64 min. 5 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
- Jul 18, 2012, 11:26 PM CDT (04:26 UTC)
- Expired
- Jul 19, 2012, 12:30 AM CDT
- In force
- 64 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 0.5 in
- Wind
- 70.0 mph
Counties LaPorte County, IN, Marshall County, IN, Saint Joseph County, IN, Starke County, IN
The radar
The Northern Indiana radar (KIWX), 62 km from the middle of the area, began a volume at 04:28 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 18, 11:35 PM CDT | TSTM WND DMG | La Porte, IN | NUMEROUS TREES AND POWER LINES DOWN |
| Jul 18, 11:54 PM CDT | TSTM WND GST 72 | Lakeville, IN | ASSOCIATED WITH OUTFLOW BOUNDARY. RELAYED BY WSBT |
| Jul 18, 11:55 PM CDT | TSTM WND DMG | New Carlisle, IN | NUMEROUS TREES DOWN |
| Jul 19, 12:00 AM CDT | TSTM WND DMG | Lakeville, IN | NUMEROUS REPORTS OF TREES DOWN |
| Jul 19, 12:00 AM CDT | TSTM WND DMG | New Carlisle, IN | REPORT OF A TREE DOWN ACROSS ROAD IN NEW CARLISLE. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.4 hours before the alert went out and 242 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
- 904 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 2326 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
869
WUUS53 KIWX 190426
SVRIWX
INC091-099-141-149-190530-
/O.NEW.KIWX.SV.W.0082.120719T0426Z-120719T0530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1226 AM EDT THU JUL 19 2012
THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MARSHALL COUNTY IN NORTH CENTRAL INDIANA...
EASTERN LA PORTE COUNTY IN NORTHWEST INDIANA...
ST. JOSEPH COUNTY IN NORTH CENTRAL INDIANA...
NORTHERN STARKE COUNTY IN NORTHWEST INDIANA...
* UNTIL 130 AM EDT/1230 AM CDT/
* AT 1120 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH. THESE SEVERE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 10 MILES NORTH OF LA PORTE TO 3 MILES WEST OF
KINGSFORD HEIGHTS TO 7 MILES WEST OF KNOX...AND MOVING EAST AT
40 MPH. THESE STORMS HAVE A HISTORY OF PRODUCING 60 TO 70 MPH
WINDS IN NORTHWEST INDIANA. A GUST FRONT AHEAD OF THE MAIN LINE OF
STORMS MAY ALSO PRODUCE WINDS TO 60 MPH.
* LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
LA PORTE AND KINGSFORD HEIGHTS...
KNOX...
HAMLET...
NEW CARLISLE...
WALKERTON AND KOONTZ LAKE...
NORTH LIBERTY...
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
TRACY...KINGSBURY...BREMS...SOUTH CENTER...STILLWELL...SALEM
HEIGHTS...ROLLING PRARIE...BYRON...FISH LAKE...HUDSON LAKE...
GROVERTOWN AND OAK GROVE.
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 4175 8607 4154 8608 4125 8610 4129 8688
4150 8678 4175 8678
TIME...MOT...LOC 0425Z 256DEG 16KT 4175 8676 4149 8673
4130 8674
WIND...HAIL 70MPH <.50IN
$$3 follow-up statements
705
WWUS53 KIWX 190454
SVSIWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1254 AM EDT THU JUL 19 2012
INC091-099-141-149-190530-
/O.CON.KIWX.SV.W.0082.000000T0000Z-120719T0530Z/
STARKE IN-ST. JOSEPH IN-LA PORTE IN-MARSHALL IN-
1254 AM EDT THU JUL 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM
EDT/1230 AM CDT/ FOR MARSHALL...EASTERN LA PORTE...ST. JOSEPH AND
NORTHEASTERN STARKE COUNTIES...
AT 1250 AM EDT/1150 PM CDT/...LAW ENFORCEMENT REPORTED WIDESPREAD
TREE AND POWERLINE DAMAGE ACROSS LAPORTE COUNTY. THIS LINE OF STORMS
IS LIKELY PRODUCING DESTRUCTIVE WINDS OF 70 TO 80 MPH...ESPECIALLY
NEAR NORTH LIBERTY AND HEADING TOWARD LAKEVILLE.
THESE STORMS ARE MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
GULIVOIRE PARK...SOUTH BEND...GEORGETOWN...PLYMOUTH...MISHAWAKA...
BREMEN...GRANGER...LAKEVILLE...ROSELAND AND OSCEOLA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.
&&
LAT...LON 4129 8678 4150 8672 4175 8667 4175 8607
4154 8608 4125 8610
TIME...MOT...LOC 0452Z 256DEG 25KT 4177 8651 4152 8637
4130 8657
WIND...HAIL 80MPH <.50IN
$$348
WWUS53 KIWX 190514
SVSIWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
114 AM EDT THU JUL 19 2012
INC091-149-190522-
/O.CAN.KIWX.SV.W.0082.000000T0000Z-120719T0530Z/
STARKE IN-LA PORTE IN-
1214 AM CDT THU JUL 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LA PORTE AND
NORTHEASTERN STARKE COUNTIES IS CANCELLED...
AT 1212 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE LINE OF SEVERE THUNDERSTORMS 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 4129 8647 4150 8647 4166 8648 4175 8652
4175 8607 4154 8608 4125 8610
TIME...MOT...LOC 0512Z 256DEG 25KT 4180 8633 4155 8619
4133 8639
$$
INC099-141-190530-
/O.CON.KIWX.SV.W.0082.000000T0000Z-120719T0530Z/
ST. JOSEPH IN-MARSHALL IN-
114 AM EDT THU JUL 19 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM
EDT/1230 AM CDT/ FOR NORTHERN MARSHALL AND ST. JOSEPH COUNTIES...
AT 112 AM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS. THESE SEVERE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEW CARLISLE TO LAKEVILLE TO CULVER. DAMAGING WINDS
WERE ALSO AHEAD OF THIS LINE ALONG AN OUTFLOW BOUNDARY NEAR THE
ELKHART AND ST JOSEPH COUNTY LINE. THE STORMS AND OUTFLOW ARE MOVING
EAST AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
GEORGETOWN...PLYMOUTH...MISHAWAKA...GRANGER...BREMEN...ROSELAND...
OSCEOLA...BOURBON...WOODLAND AND LINKVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN NORTHERN INDIANA.
&&
LAT...LON 4129 8647 4150 8647 4166 8648 4175 8652
4175 8607 4154 8608 4125 8610
TIME...MOT...LOC 0512Z 256DEG 32KT 4180 8633 4155 8619
4133 8639
WIND...HAIL <50MPH <.50IN
$$920
WWUS53 KIWX 190533
SVSIWX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
133 AM EDT THU JUL 19 2012
INC099-141-190541-
/O.EXP.KIWX.SV.W.0082.000000T0000Z-120719T0530Z/
ST. JOSEPH IN-MARSHALL IN-
133 AM EDT THU JUL 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MARSHALL AND WESTERN
ST. JOSEPH COUNTIES IN INDIANA HAS EXPIRED...
AT 130 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD
WEAKENED AND MOVED OUT OF THE AREA. THEREFORE...THE SEVERE
THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE.
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
KOSCIUSKO COUNTY...NORTHEASTERN MARSHALL...EASTERN ST. JOSEPH...AND
ELKHART COUNTY IN NORTH CENTRAL INDIANA UNTIL 200 AM EDT.
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 4129 8647 4150 8647 4166 8648 4175 8652
4175 8607 4154 8608 4125 8610
TIME...MOT...LOC 0514Z 256DEG 32KT 4180 8631 4155 8617
4133 8637
$$The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 8:03 PM CDT | Special Weather Statement | IWX | Steuben | 57 min |
| Jul 18, 9:50 PM CDT | Special Marine Warning | IWX | 115 min | |
| Jul 18, 10:43 PM CDT | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph | 62 min |
| Jul 18, 11:29 PM CDT | Flash Flood Warning | IWX | LaPorte, Saint Joseph | 3 hr |
| Jul 19, 12:03 AM CDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall, Saint Joseph | 57 min |
| Jul 19, 12:12 AM CDT | Areal Flood Advisory | IWX | Marshall, Saint Joseph, Starke | 3 hr |
| Jul 19, 12:45 AM CDT | Special Weather Statement | IWX | LaGrange, Noble, Whitley | 60 min |
| Jul 19, 1:33 AM CDT | Special Weather Statement | IWX | DeKalb, LaGrange, Noble, Steuben | 57 min |
| Jul 19, 3:04 AM CDT | Special Weather Statement | IWX | Elkhart, Saint Joseph | 41 min |
| Jul 19, 4:19 AM CDT | Areal Flood Advisory | IWX | Elkhart, Fulton, Kosciusko, LaGrange, Marshall, Noble and 2 more | 3 hr |
| Jul 19, 4:35 AM CDT | Flash Flood Warning | IWX | Allen, DeKalb, Huntington, Kosciusko, LaGrange, Noble and 4 more | 115 min |
| Jul 19, 4:53 AM CDT | Flash Flood Warning | IWX | Allen, DeKalb | 3 hr |
| Jul 19, 5:22 AM CDT | Flash Flood Warning | IWX | Elkhart, LaGrange, LaPorte, Noble, Saint Joseph | 3 hr |
| Jul 19, 5:44 AM CDT | Special Weather Statement | IWX | Huntington, Kosciusko, Miami, Wabash, Whitley | 61 min |
| Jul 19, 2:28 PM CDT | Small Craft Advisory | IWX | 31 hr | |
| Jul 19, 5:03 PM CDT | Rip Current Statement | IWX | 34 hr | |
| Jul 19, 6:16 PM CDT | Special Weather Statement | IWX | Miami | 44 min |
| Jul 19, 6:19 PM CDT | Special Weather Statement | IWX | Blackford | 41 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2012Every 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.