Alert archive / Michigan / Tornado Warnings in 2011
Tornado Warning 4, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this tornado warning at Apr 26, 2011, 7:43 PM EDT for Barry County, Eaton County, Michigan. It was in force for 32 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
- Apr 26, 2011, 7:43 PM EDT (23:43 UTC)
- Expired
- Apr 26, 2011, 8:15 PM EDT
- In force
- 32 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
Counties Barry County, MI, Eaton County, MI
The radar
The Grand Rapids radar (KGRR), 49 km from the middle of the area, began a volume at 23:42 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 |
|---|---|---|---|
| Apr 26, 3:02 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 11.7 hours before the alert went out and 135 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
- 547 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 687 m²/s²
- 0-3 km storm-relative helicity
- 744 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
113 WFUS53 KGRR 262343 TORGRR MIC015-045-270015- /O.NEW.KGRR.TO.W.0004.110426T2343Z-110427T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 743 PM EDT TUE APR 26 2011 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A * TORNADO WARNING FOR... EAST CENTRAL BARRY COUNTY IN SOUTHWEST MICHIGAN... NORTHWESTERN EATON COUNTY IN SOUTH CENTRAL MICHIGAN... * UNTIL 815 PM EDT * AT 738 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES SOUTHWEST OF NASHVILLE...AND MOVING NORTHEAST AT 45 MPH. THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS... GRAND LEDGE... NASHVILLE... KALAMO... MULLIKEN... VERMONTVILLE... SUNFIELD... MORGAN... ASSYRIA... HOYTVILLE... LITTLE VENICE... NEEDMORE... GRESHAM... CHESTER... QUIMBY... MAPLE GROVE... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING OBJECTS. && LAT...LON 4256 8529 4277 8504 4277 8465 4244 8511 TIME...MOT...LOC 2343Z 223DEG 39KT 4257 8511 $$ MEADE
2 follow-up statements
792 WWUS53 KGRR 262352 SVSGRR SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 752 PM EDT TUE APR 26 2011 MIC015-270002- /O.CAN.KGRR.TO.W.0004.000000T0000Z-110427T0015Z/ BARRY MI- 752 PM EDT TUE APR 26 2011 ...THE TORNADO WARNING FOR EAST CENTRAL BARRY COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS EITHER WEAKENED OR MOVED OUT OF THE WARNED AREA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING FOR SOUTHWESTERN MICHIGAN. LAT...LON 4277 8465 4247 8507 4274 8507 4277 8504 TIME...MOT...LOC 2352Z 229DEG 41KT 4265 8499 $$ MIC045-270015- /O.CON.KGRR.TO.W.0004.000000T0000Z-110427T0015Z/ EATON MI- 752 PM EDT TUE APR 26 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN EATON COUNTY UNTIL 815 PM EDT... AT 751 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 5 MILES NORTHEAST OF NASHVILLE...MOVING NORTHEAST AT 45 MPH. LOCATIONS IMPACTED INCLUDE... GRAND LEDGE... KALAMO... MULLIKEN... VERMONTVILLE... SUNFIELD... HOYTVILLE... LITTLE VENICE... NEEDMORE... GRESHAM... CHESTER... 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 1000 PM EDT TUESDAY EVENING FOR SOUTHWESTERN MICHIGAN. LAT...LON 4277 8465 4247 8507 4274 8507 4277 8504 TIME...MOT...LOC 2352Z 229DEG 41KT 4265 8499 $$ NJJ
294 WWUS53 KGRR 270017 SVSGRR SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 817 PM EDT TUE APR 26 2011 MIC045-270028- /O.EXP.KGRR.TO.W.0004.000000T0000Z-110427T0015Z/ EATON MI- 817 PM EDT TUE APR 26 2011 ...THE TORNADO WARNING FOR NORTHWESTERN EATON COUNTY HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT TUESDAY EVENING FOR SOUTHWESTERN MICHIGAN. LAT...LON 4277 8465 4247 8507 4274 8507 4277 8504 TIME...MOT...LOC 2352Z 229DEG 41KT 4265 8499 $$ NJJ
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 11:16 AM EDT | River Flood Advisory | GRR | Kent | 10 days |
| Apr 26, 11:16 AM EDT | River Flood Advisory | GRR | Osceola | 37 hr |
| Apr 26, 3:21 PM EDT | Flood Watch | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 44 hr |
| Apr 26, 4:16 PM EDT | Special Weather Statement | GRR | Ottawa | 59 min |
| Apr 26, 5:27 PM EDT | Special Weather Statement | GRR | Kent | 63 min |
| Apr 26, 5:28 PM EDT | River Flood Advisory | GRR | Allegan | 6 days |
| Apr 26, 5:34 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Kent, Ottawa | 41 min |
| Apr 26, 5:44 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella, Montcalm | 46 min |
| Apr 26, 5:48 PM EDT | Areal Flood Advisory | GRR | Allegan, Kent, Ottawa | 12 hr |
| Apr 26, 6:04 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 56 min |
| Apr 26, 6:14 PM EDT | Severe Thunderstorm Warning | GRR | Ionia, Kent, Montcalm | 46 min |
| Apr 26, 6:35 PM EDT | Tornado Warning | GRR | Ionia, Kent, Montcalm | 25 min |
| Apr 26, 6:43 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Kent | 47 min |
| Apr 26, 6:48 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Montcalm | 42 min |
| Apr 26, 6:59 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Kalamazoo | 46 min |
| Apr 26, 7:04 PM EDT | River Flood Advisory | GRR | Isabella | 15 hr |
| Apr 26, 7:07 PM EDT | Tornado Warning | GRR | Gratiot, Montcalm | 23 min |
| Apr 26, 7:12 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 31 min |
| Apr 26, 7:20 PM EDT | Tornado Warning | GRR | Barry, Calhoun, Kalamazoo | 25 min |
| Apr 26, 7:25 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella | 50 min |
| Apr 26, 7:37 PM EDT | Severe Thunderstorm Warning | GRR | Ionia, Montcalm | 38 min |
Nearby
Tornado Warnings in Michigan, 2011Every tornado warning in 2011Tornadoes in 2011
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.