Alert archive / Michigan / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 2, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Mar 12, 2012, 4:05 PM EDT for Clare County, Osceola County, Michigan. It was in force for 40 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 12, 2012, 4:05 PM EDT (20:05 UTC)
- Expired
- Mar 12, 2012, 4:45 PM EDT
- In force
- 40 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clare County, MI, Osceola County, MI
The radar
The NCL Michigan radar (KAPX), 101 km from the middle of the area, began a volume at 20:05 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
Detroit, MI (KDTX), launched 12:00Z, 8.1 hours before the alert went out and 187 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
- 1981 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
561
WUUS53 KGRR 122005
SVRGRR
MIC035-133-122045-
/O.NEW.KGRR.SV.W.0002.120312T2005Z-120312T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
405 PM EDT MON MAR 12 2012
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CLARE COUNTY IN CENTRAL MICHIGAN...
EASTERN OSCEOLA COUNTY IN CENTRAL MICHIGAN...
* UNTIL 445 PM EDT
* AT 403 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5
MILES SOUTHWEST OF MARION..AND MOVING EAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
HARRISON... CLARE... MARION...
EVART... FARWELL... HIGHLAND...
HARTWICK TWP... MIDDLE BRANCH TWP... SYLVAN TWP...
SEARS... DIGHTON... SEBEWA TWP...
DODGE LAKE... LONG LAKE HEIGHTS... FREEMAN TWP...
WINTERFIELD TWP... FRANKLIN TWP... SHERIDEN TWP...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD.
&&
LAT...LON 4415 8460 4382 8460 4382 8509 4389 8510
4390 8537 4417 8537 4416 8461
TIME...MOT...LOC 2005Z 264DEG 31KT 4406 8520
WIND...HAIL 60MPH 1.00IN
$$
TJT2 follow-up statements
226
WWUS53 KGRR 122027
SVSGRR
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
427 PM EDT MON MAR 12 2012
MIC133-122037-
/O.CAN.KGRR.SV.W.0002.000000T0000Z-120312T2045Z/
OSCEOLA MI-
427 PM EDT MON MAR 12 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OSCEOLA COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS EITHER WEAKENED OR MOVED OUT
OF THE WARNED AREA.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT MONDAY EVENING
FOR SOUTHWESTERN MICHIGAN.
LAT...LON 4415 8509 4417 8508 4416 8461 4415 8460
4382 8460 4382 8509
TIME...MOT...LOC 2027Z 264DEG 31KT 4407 8493
$$
MIC035-122045-
/O.CON.KGRR.SV.W.0002.000000T0000Z-120312T2045Z/
CLARE MI-
427 PM EDT MON MAR 12 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CLARE COUNTY
UNTIL 445 PM EDT...
AT 419 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES SOUTHEAST
OF MARION...MOVING EAST AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
HARRISON... FARWELL... SEBEWA TWP...
DODGE LAKE... LONG LAKE HEIGHTS... FREEMAN TWP...
WINTERFIELD TWP... FRANKLIN TWP... SHERIDEN TWP...
LAKE GEORGE... LAKE... LEOTA...
TEMPLE... MEREDITH... BROWNS CORNER...
DOVER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT MONDAY EVENING
FOR SOUTHWESTERN MICHIGAN.
LAT...LON 4415 8509 4417 8508 4416 8461 4415 8460
4382 8460 4382 8509
TIME...MOT...LOC 2027Z 264DEG 31KT 4407 8493
WIND...HAIL 60MPH 1.00IN
$$
HOVING309
WWUS53 KGRR 122044
SVSGRR
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
444 PM EDT MON MAR 12 2012
MIC035-122053-
/O.EXP.KGRR.SV.W.0002.000000T0000Z-120312T2045Z/
CLARE MI-
444 PM EDT MON MAR 12 2012
...THE SEVERE THUNDERSTORM WARNING FOR CLARE COUNTY WILL EXPIRE AT
445 PM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT MONDAY EVENING
FOR SOUTHWESTERN MICHIGAN.
LAT...LON 4415 8509 4417 8508 4416 8461 4415 8460
4382 8460 4382 8509
TIME...MOT...LOC 2043Z 264DEG 31KT 4408 8474
$$
HOVINGThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 3:18 AM EDT | Small Craft Advisory | GRR | 17 hr | |
| Mar 12, 11:54 AM EDT | River Flood Advisory | GRR | Ionia | 5 days |
| Mar 12, 11:54 AM EDT | River Flood Advisory | GRR | Ingham | 47 hr |
| Mar 12, 1:32 PM EDT | Special Marine Warning | GRR | 100 min | |
| Mar 12, 2:18 PM EDT | Special Weather Statement | GRR | Muskegon, Oceana | 57 min |
| Mar 12, 2:45 PM EDT | Special Weather Statement | GRR | Mason | 60 min |
| Mar 12, 3:01 PM EDT | Special Weather Statement | GRR | Lake, Newaygo | 59 min |
| Mar 12, 3:10 PM EDT | Special Weather Statement | GRR | Muskegon | 50 min |
| Mar 12, 3:15 PM EDT | Special Weather Statement | GRR | Newaygo | 60 min |
| Mar 12, 3:43 PM EDT | Special Weather Statement | GRR | Mecosta | 62 min |
| Mar 12, 4:00 PM EDT | Severe Thunderstorm Warning | GRR | Mecosta, Montcalm, Newaygo | 45 min |
| Mar 12, 4:33 PM EDT | Severe Thunderstorm Warning | GRR | Isabella | 21 min |
| Mar 12, 4:36 PM EDT | Special Marine Warning | GRR | 84 min | |
| Mar 12, 5:02 PM EDT | Special Weather Statement | GRR | Van Buren | 58 min |
| Mar 12, 5:24 PM EDT | Special Weather Statement | GRR | Allegan | 66 min |
| Mar 12, 5:32 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 43 min |
| Mar 12, 5:38 PM EDT | Tornado Warning | GRR | Van Buren | 16 min |
| Mar 12, 5:44 PM EDT | Special Weather Statement | GRR | Mecosta | 61 min |
| Mar 12, 5:44 PM EDT | Tornado Warning | GRR | Kalamazoo | 43 min |
| Mar 12, 5:59 PM EDT | Tornado Warning | GRR | Allegan, Barry | 44 min |
| Mar 12, 6:08 PM EDT | Tornado Warning | GRR | Isabella, Mecosta | 37 min |
| Mar 12, 6:36 PM EDT | Tornado Warning | GRR | Eaton | 24 min |
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.