Alert archive / Indiana / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 9, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Mar 19, 2012, 3:45 PM CDT for LaPorte County, Saint Joseph County, Starke County, Indiana. It was in force for 30 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
- Mar 19, 2012, 3:45 PM CDT (20:45 UTC)
- Expired
- Mar 19, 2012, 4:15 PM CDT
- In force
- 30 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties LaPorte County, IN, Saint Joseph County, IN, Starke County, IN
The radar
The Northern Indiana radar (KIWX), 81 km from the middle of the area, began a volume at 20:47 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 12:00Z, 8.8 hours before the alert went out and 227 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
- 1115 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 820 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
357 WUUS53 KIWX 192045 SVRIWX INC091-141-149-192115- /O.NEW.KIWX.SV.W.0009.120319T2045Z-120319T2115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 345 PM CDT MON MAR 19 2012 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN LA PORTE COUNTY IN NORTHWEST INDIANA... SOUTHWESTERN ST. JOSEPH COUNTY IN NORTH CENTRAL INDIANA... NORTH CENTRAL STARKE COUNTY IN NORTHWEST INDIANA... * UNTIL 415 PM CDT/515 PM EDT/ * AT 343 PM CDT...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 3 MILES SOUTHEAST OF KINGSFORD HEIGHTS...OR 11 MILES SOUTH OF LA PORTE...AND MOVING NORTH NORTHEAST AT 30 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... LA PORTE... OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE KINGSBURY...STILLWELL...FISH LAKE...BYRON...SPRINGVILLE AND ROLLING PRARIE. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH... PREPARE IMMEDIATELY FOR QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH...ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. 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 8674 4169 8638 4134 8660 4133 8671 TIME...MOT...LOC 2044Z 191DEG 29KT 4147 8663 WIND...HAIL 60MPH 1.00IN $$ FISHER
1 follow-up statement
297 WWUS53 KIWX 192107 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 507 PM EDT MON MAR 19 2012 INC149-192117- /O.CAN.KIWX.SV.W.0009.000000T0000Z-120319T2115Z/ STARKE IN- 407 PM CDT MON MAR 19 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL STARKE COUNTY IS CANCELLED... AT 359 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD WEAKENED OR MOVED OUT AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA. && LAT...LON 4146 8656 4169 8652 4169 8638 4145 8653 TIME...MOT...LOC 2107Z 197DEG 25KT 4153 8650 $$ INC091-141-192115- /O.CON.KIWX.SV.W.0009.000000T0000Z-120319T2115Z/ ST. JOSEPH IN-LA PORTE IN- 507 PM EDT MON MAR 19 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT/415 PM CDT/ FOR EAST CENTRAL LA PORTE AND SOUTHWESTERN ST. JOSEPH COUNTIES... AT 459 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 OVER EXTREME SOUTHWESTERN ST. JOSEPH COUNTY...OR ABOUT 14 MILES NORTHEAST OF KNOX...AND MOVING NORTH AT 30 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF EXTREME EASTERN LA PORTE AND WESTERN ST. JOSEPH COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH... PREPARE IMMEDIATELY FOR QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH....ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. 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 4146 8656 4169 8652 4169 8638 4145 8653 TIME...MOT...LOC 2107Z 197DEG 25KT 4153 8650 WIND...HAIL 60MPH 1.00IN $$
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 12:48 PM CDT | Special Weather Statement | IWX | LaPorte | 27 min |
| Mar 19, 1:18 PM CDT | Special Weather Statement | IWX | LaPorte | 42 min |
| Mar 19, 1:49 PM CDT | Special Weather Statement | IWX | Saint Joseph | 26 min |
| Mar 19, 2:09 PM CDT | Special Weather Statement | IWX | Saint Joseph | 51 min |
| Mar 19, 4:16 PM CDT | Special Weather Statement | IWX | Saint Joseph | 29 min |
| Mar 19, 4:50 PM CDT | Special Weather Statement | IWX | Saint Joseph | 25 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.