Alert archive / Michigan / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 71, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jul 14, 2012, 5:57 PM EDT for Saint Joseph County, Michigan. It was in force for 33 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
- Jul 14, 2012, 5:57 PM EDT (21:57 UTC)
- Expired
- Jul 14, 2012, 6:30 PM EDT
- In force
- 33 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 64 km from the middle of the area, began a volume at 21:57 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 14, 6:25 PM EDT | TSTM WND GST 61 | 2 Wsw Mendon, MI | 61 MPH MEASURED WIND GUST AT INTERSECTION OF M60 AND BAER RD |
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 12:00Z, 10.0 hours before the alert went out and 191 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1497 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
377 WUUS53 KIWX 142157 SVRIWX MIC149-142230- /O.NEW.KIWX.SV.W.0071.120714T2157Z-120714T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 557 PM EDT SAT JUL 14 2012 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ST. JOSEPH COUNTY IN SOUTHWEST MICHIGAN... * UNTIL 630 PM EDT * AT 552 PM EDT...LAW ENFORCEMENT REPORTED A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS SEVERE STORM WAS LOCATED 4 MILES EAST OF CONSTANTINE... OR 7 MILES SOUTH OF THREE RIVERS...AND MOVING NORTHEAST AT 20 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... CENTREVILLE... STURGIS... COLON... OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE NOTTAWA...WASEPI...FAWN RIVER...MENDON...FINDLEY...BURR OAK...FAIRFAX AND LEONIDAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS SEVERE THUNDERSTORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS SOUTHERN CASS COUNTY MICHIGAN. THIS IS A DANGEROUS SITUATION. GO TO A BASEMENT OR SMALL INTERIOR ROOM. EVACUATE MOBILE HOMES...AND SEEK SHELTER INSIDE A STURDY STRUCTURE. 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 4206 8531 4177 8529 4176 8576 4192 8577 TIME...MOT...LOC 2156Z 246DEG 18KT 4185 8556 WIND...HAIL 60MPH 1.00IN $$
2 follow-up statements
997 WWUS53 KIWX 142220 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 620 PM EDT SAT JUL 14 2012 MIC149-142230- /O.CON.KIWX.SV.W.0071.000000T0000Z-120714T2230Z/ ST. JOSEPH MI- 620 PM EDT SAT JUL 14 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR ST. JOSEPH COUNTY... AT 615 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS SEVERE STORM WAS LOCATED NEAR CONSTANTINE...OR ABOUT 6 MILES SOUTH OF THREE RIVERS... AND MOVING NORTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... THREE RIVERS...STURGIS...CENTREVILLE...COLON...WASEPI...NOTTAWA... MENDON...FINDLEY...FAIRFAX AND BURR OAK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA. && LAT...LON 4206 8531 4177 8529 4176 8576 4192 8577 TIME...MOT...LOC 2220Z 234DEG 21KT 4188 8561 WIND...HAIL 60MPH 1.00IN $$
607 WWUS53 KIWX 142232 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 632 PM EDT SAT JUL 14 2012 MIC149-142242- /O.EXP.KIWX.SV.W.0071.000000T0000Z-120714T2230Z/ ST. JOSEPH MI- 632 PM EDT SAT JUL 14 2012 ...THE SEVERE THUNDERSTORM WARNING FOR ST. JOSEPH COUNTY HAS EXPIRED... AT 629 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD WEAKENED AND MOVED OUT OF THE AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE. 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 4206 8531 4177 8529 4176 8576 4192 8577 TIME...MOT...LOC 2220Z 234DEG 21KT 4188 8561 $$
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 5:05 PM EDT | Special Weather Statement | IWX | Cass | 25 min |
| Jul 14, 5:14 PM EDT | Severe Thunderstorm Warning | IWX | Cass | 31 min |
| Jul 14, 5:38 PM EDT | Special Weather Statement | IWX | Saint Joseph | 22 min |
| Jul 14, 6:01 PM EDT | Areal Flood Advisory | IWX | Berrien, Cass | 3 hr |
Nearby
Severe Thunderstorm Warnings in Michigan, 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.