Alert archive / Indiana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 75, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jul 17, 2012, 8:08 PM EDT for LaGrange County, Indiana. It was in force for 52 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
- Jul 17, 2012, 8:08 PM EDT (00:08 UTC)
- Expired
- Jul 17, 2012, 9:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County LaGrange County, IN
The radar
The Northern Indiana radar (KIWX), 46 km from the middle of the area, began a volume at 00:11 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 17, 8:23 PM EDT | TSTM WND DMG | Lagrange, IN | POWERLINE DOWN AT 1290N AND 300E |
| Jul 17, 8:34 PM EDT | TSTM WND DMG | Lagrange, IN | TREE DOWN AND LANDED ON SUV IN WEST SIDE OF DOWNTOWN LAGRANGE |
| Jul 17, 8:35 PM EDT | TSTM WND DMG | Lagrange, IN | SEVERAL TREES DOWNED AND POWER OUTAGES COUNTYWIDE RELAYED BY MEDIA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 0.1 hours before the alert went out and 196 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
- 267 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 2405 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
729 WUUS53 KIWX 180008 SVRIWX INC087-180100- /O.NEW.KIWX.SV.W.0075.120718T0008Z-120718T0100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 808 PM EDT TUE JUL 17 2012 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LAGRANGE COUNTY IN NORTHEAST INDIANA... * UNTIL 900 PM EDT * AT 806 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS SEVERE STORM WAS LOCATED NEAR LAGRANGE...AND MOVING EAST AT 20 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... LAGRANGE... OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE ONTARIO...BRIGHTON...PLATO...MONGO...BRUSHY PRAIRIE...INDIANOLA AND BIG LONG LAKE. 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 4174 8520 4155 8522 4162 8556 4171 8555 TIME...MOT...LOC 0008Z 282DEG 16KT 4166 8545 WIND...HAIL 60MPH 1.00IN $$
2 follow-up statements
275 WWUS53 KIWX 180028 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 828 PM EDT TUE JUL 17 2012 INC087-180100- /O.CON.KIWX.SV.W.0075.000000T0000Z-120718T0100Z/ LAGRANGE IN- 828 PM EDT TUE JUL 17 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR CENTRAL LAGRANGE COUNTY... AT 825 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS SEVERE STORM WAS LOCATED 3 MILES EAST OF LAGRANGE...AND MOVING EAST AT 20 MPH. A SECOND THUNDERSTORM WAS ALSO MOVING INTO WESTERN LAGRANGE COUNTY AND THIS STORM MAY CONTAIN WINDS UP TO 55 MPH. LOCATIONS IMPACTED INCLUDE... PLATO...BRUSHY PRAIRIE...MONGO...INDIANOLA AND BIG LONG LAKE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA. && LAT...LON 4169 8553 4174 8520 4155 8522 4162 8556 TIME...MOT...LOC 0027Z 282DEG 16KT 4164 8534 WIND...HAIL 60MPH 1.00IN $$
321 WWUS53 KIWX 180058 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 858 PM EDT TUE JUL 17 2012 INC087-180107- /O.EXP.KIWX.SV.W.0075.000000T0000Z-120718T0100Z/ LAGRANGE IN- 858 PM EDT TUE JUL 17 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LAGRANGE COUNTY WILL EXPIRE AT 900 PM EDT... AT 857 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD WEAKENED. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE. A REPORT OF A DOWNED POWERLINE WAS RECEIVED IN LAGRANGE COUNTY. 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 4169 8553 4174 8520 4155 8522 4162 8556 TIME...MOT...LOC 0057Z 282DEG 16KT 4161 8517 $$
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:14 PM EDT | Special Weather Statement | IWX | Elkhart, LaPorte, Saint Joseph | 61 min |
| Jul 17, 8:31 PM EDT | Special Weather Statement | IWX | Steuben | 59 min |
| Jul 17, 8:45 PM EDT | Severe Thunderstorm Warning | IWX | DeKalb, LaGrange, Steuben | 26 min |
| Jul 17, 8:59 PM EDT | Areal Flood Advisory | IWX | LaGrange, Steuben | 3 hr |
| Jul 18, 3:55 AM EDT | Heat Advisory | IWX | Adams, Allen, Blackford, Cass, Fulton, Grant and 8 more | 13 hr |
| Jul 18, 12:41 PM EDT | Special Weather Statement | IWX | Wabash | 19 min |
| Jul 18, 12:53 PM EDT | Special Weather Statement | IWX | Allen | 22 min |
| Jul 18, 1:09 PM EDT | Special Weather Statement | IWX | Allen | 36 min |
| Jul 18, 1:13 PM EDT | Special Weather Statement | IWX | Huntington | 32 min |
| Jul 18, 1:22 PM EDT | Severe Thunderstorm Warning | IWX | Allen | 38 min |
| Jul 18, 1:43 PM EDT | Special Weather Statement | IWX | Allen | 32 min |
| Jul 18, 1:48 PM EDT | Special Weather Statement | IWX | Allen | 27 min |
| Jul 18, 1:53 PM EDT | Severe Thunderstorm Warning | IWX | Adams, Allen, Wells | 27 min |
| Jul 18, 1:57 PM EDT | Areal Flood Advisory | IWX | Adams, Allen, Wells | 3 hr |
| Jul 18, 2:10 PM EDT | Special Weather Statement | IWX | Fulton | 35 min |
| Jul 18, 2:32 PM EDT | Special Weather Statement | IWX | Adams, Blackford, Jay | 28 min |
| Jul 18, 2:44 PM EDT | Special Weather Statement | IWX | Pulaski | 31 min |
| Jul 18, 2:48 PM EDT | Special Weather Statement | IWX | Wabash | 27 min |
| Jul 18, 2:51 PM EDT | Special Weather Statement | IWX | Miami | 24 min |
| Jul 18, 3:04 PM EDT | Special Weather Statement | IWX | Blackford, Jay | 26 min |
| Jul 18, 3:18 PM EDT | Special Weather Statement | IWX | Wabash | 27 min |
| Jul 18, 3:42 PM EDT | Special Weather Statement | IWX | Blackford | 33 min |
| Jul 18, 5:01 PM EDT | Special Weather Statement | IWX | Cass, White | 59 min |
| Jul 18, 5:08 PM EDT | Special Weather Statement | IWX | Marshall, Starke | 52 min |
| Jul 18, 6:05 PM EDT | Special Weather Statement | IWX | Fulton | 25 min |
| Jul 18, 6:12 PM EDT | Severe Thunderstorm Warning | IWX | Kosciusko, Marshall | 30 min |
| Jul 18, 6:48 PM EDT | Special Weather Statement | IWX | Kosciusko | 42 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.