Alert archive / Michigan / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 52, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jul 1, 2012, 3:48 PM EDT for Cass County, Saint Joseph County, Michigan. It was in force for 27 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
- Jul 1, 2012, 3:48 PM EDT (19:48 UTC)
- Expired
- Jul 1, 2012, 4:15 PM EDT
- In force
- 27 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cass County, MI, Saint Joseph County, MI
The radar
The Northern Indiana radar (KIWX), 67 km from the middle of the area, began a volume at 19:50 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 1, 1:16 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 7.8 hours before the alert went out and 210 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
- 2 J/kg
- Mixed-layer CIN
- -291 J/kg
- Mixed-layer LCL
- 1587 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
994 WUUS53 KIWX 011948 SVRIWX MIC027-149-012015- /O.NEW.KIWX.SV.W.0052.120701T1948Z-120701T2015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 348 PM EDT SUN JUL 1 2012 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN CASS COUNTY IN SOUTHWEST MICHIGAN... WESTERN ST. JOSEPH COUNTY IN SOUTHWEST MICHIGAN... * UNTIL 415 PM EDT * AT 346 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 3 MILES NORTHEAST OF CASSOPOLIS...OR 8 MILES EAST OF DOWAGIAC...AND MOVING EAST AT 25 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... MARCELLUS... THREE RIVERS... OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE CALVIN CENTER...VANDALIA...PARADISE LAKE...WAKELEE...DONNELL LAKE... SHAVEHEAD LAKE...JONES...COREY LAKE...CLEAR LAKE...HOWARDSVILLE... MOTTVILLE AND MOORE PARK. 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 4205 8557 4178 8569 4186 8606 4205 8597 TIME...MOT...LOC 1948Z 283DEG 20KT 4195 8595 WIND...HAIL 60MPH 1.00IN $$ MCS
1 follow-up statement
715 WWUS53 KIWX 012001 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 401 PM EDT SUN JUL 1 2012 MIC027-149-012015- /O.CON.KIWX.SV.W.0052.000000T0000Z-120701T2015Z/ ST. JOSEPH MI-CASS MI- 401 PM EDT SUN JUL 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR EASTERN CASS AND WESTERN ST. JOSEPH COUNTIES... AT 359 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS SEVERE STORM WAS LOCATED 12 MILES WEST OF THREE RIVERS...AND MOVING EAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... THREE RIVERS...SHAVEHEAD LAKE...JONES...COREY LAKE...CLEAR LAKE AND MOTTVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA. && LAT...LON 4200 8559 4178 8569 4183 8593 4202 8585 TIME...MOT...LOC 2001Z 283DEG 20KT 4193 8586 WIND...HAIL 60MPH 1.00IN $$ MCS
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 3:25 PM EDT | Special Weather Statement | IWX | Cass | 35 min |
| Jul 1, 4:12 PM EDT | Special Weather Statement | IWX | Saint Joseph | 33 min |
| Jul 1, 4:25 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Saint Joseph | 50 min |
| Jul 1, 4:32 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 43 min |
| Jul 1, 4:52 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 38 min |
| Jul 1, 5:19 PM EDT | Flash Flood Warning | IWX | Branch, Hillsdale | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.