Alert archive / Michigan / Tornado Warnings in 2011
Tornado Warning 8, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this tornado warning at May 29, 2011, 4:47 PM EDT for Eaton County, Michigan. It was in force for 28 min. 4 reports 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
- May 29, 2011, 4:47 PM EDT (20:47 UTC)
- Expired
- May 29, 2011, 5:15 PM EDT
- In force
- 28 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
County Eaton County, MI
The radar
The Grand Rapids radar (KGRR), 62 km from the middle of the area, began a volume at 20:49 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 |
|---|---|---|---|
| May 29, 4:54 PM EDT | TSTM WND DMG | 6 Ese Charlotte, MI | A THREE AND A HALF FOOT HEALTHY TREE IS DOWN. |
| May 29, 5:00 PM EDT | TSTM WND DMG | 4 S Eaton Rapids, MI | NUMEROUS TREES DOWN BLOCKING ROAD NEAR THE INTERSECTION OF BELLEVUE HIGHWAY AND HOUSTON ROAD. |
| May 29, 5:02 PM EDT | TSTM WND DMG | 4 Nnw Eaton Rapids, MI | ONE HOME COMPLETELY DESTROYED. 3 OTHER HOMES DAMAGED. |
| May 29, 5:12 PM EDT | TSTM WND DMG | 4 Sse Eaton Rapids, MI | SCATTERED TREE DAMAGE AND POWER LINES DOWN NEAR TUCKER AND BELLEVUE ROADS. TREES ARE MAINLY 5 TO 6 INCHES IN DIAMETER AND MAINLY HEALTHY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 29, 1:29 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 8.8 hours before the alert went out and 119 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
- 12 J/kg
- Mixed-layer CIN
- -294 J/kg
- Mixed-layer LCL
- 499 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 298 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
809
WFUS53 KGRR 292047
TORGRR
MIC045-292115-
/O.NEW.KGRR.TO.W.0008.110529T2047Z-110529T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
447 PM EDT SUN MAY 29 2011
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
* TORNADO WARNING FOR...
EATON COUNTY IN SOUTH CENTRAL MICHIGAN...
* UNTIL 515 PM EDT
* AT 445 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE SQUALL LINE CAPABLE OF PRODUCING BRIEF
RAIN-WRAPPED TORNADOES IN ADDITION TO WIDESPREAD STRAIGHT LINE WIND
DAMAGE. THIS DANGEROUS STORM WAS LOCATED NEAR BELLEVUE...AND
MOVING EAST AT 60 MPH.
THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
CHARLOTTE... EATON RAPIDS... GRAND LEDGE...
BELLEVUE... KALAMO... BROOKFIELD...
WAVERLY... MULLIKEN... DIMONDALE...
OLIVET... VERMONTVILLE... POTTERVILLE...
DELTA MILLS... HOYTVILLE... MILLETT...
LITTLE VENICE... NEEDMORE... WEST WINDSOR...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. SQUALL LINE TORNADOES ARE OFTEN
HIDDEN BY HEAVY RAIN WITHIN THE SQUALL LINE. DO NOT WAIT TO SEE OR
HEAR THE TORNADO. TAKE COVER NOW...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4266 8507 4277 8489 4277 8460 4242 8460
4242 8507
TIME...MOT...LOC 2046Z 253DEG 50KT 4238 8495
$$
TJT2 follow-up statements
261
WWUS53 KGRR 292106
SVSGRR
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
506 PM EDT SUN MAY 29 2011
MIC045-292115-
/O.CON.KGRR.TO.W.0008.000000T0000Z-110529T2115Z/
EATON MI-
506 PM EDT SUN MAY 29 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN EATON COUNTY UNTIL
515 PM EDT...
AT 503 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR EATON RAPIDS...MOVING EAST AT 55 MPH.
THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF EASTERN EATON COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING OBJECTS.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR
SOUTHWESTERN MICHIGAN.
LAT...LON 4242 8491 4263 8491 4277 8489 4277 8460
4242 8460
TIME...MOT...LOC 2106Z 248DEG 56KT 4250 8457
$$
DUKE067
WWUS53 KGRR 292115
SVSGRR
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
515 PM EDT SUN MAY 29 2011
MIC045-292125-
/O.EXP.KGRR.TO.W.0008.000000T0000Z-110529T2115Z/
EATON MI-
515 PM EDT SUN MAY 29 2011
...THE TORNADO WARNING FOR EASTERN EATON COUNTY HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA. HOWEVER...WIND GUSTS OF 50 TO 60 MPH ARE STILL POSSIBLE WITH
THIS THUNDERSTORM OVER EASTERN EATON COUNTY THROUGH 520 PM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR
SOUTHWESTERN MICHIGAN.
LAT...LON 4242 8491 4263 8491 4277 8489 4277 8460
4242 8460
TIME...MOT...LOC 2115Z 248DEG 56KT 4255 8439
$$
DUKEThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 9:38 PM EDT | River Flood Advisory | GRR | Jackson | 61 hr |
| May 29, 11:12 AM EDT | Flood Watch | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Ingham and 6 more | 11 hr |
| May 29, 1:21 PM EDT | Special Marine Warning | GRR | 84 min | |
| May 29, 1:39 PM EDT | Special Weather Statement | GRR | Allegan, Van Buren | 51 min |
| May 29, 2:25 PM EDT | Special Weather Statement | GRR | Allegan, Ottawa, Van Buren | 80 min |
| May 29, 2:38 PM EDT | Flash Flood Warning | GRR | Allegan, Van Buren | 5 hr |
| May 29, 2:44 PM EDT | Special Marine Warning | GRR | 72 min | |
| May 29, 3:14 PM EDT | Special Weather Statement | GRR | Allegan, Barry, Calhoun, Ionia, Kalamazoo, Van Buren | 61 min |
| May 29, 3:27 PM EDT | Areal Flood Advisory | GRR | Barry, Calhoun, Eaton, Ingham, Jackson, Kalamazoo | 12 hr |
| May 29, 3:58 PM EDT | Tornado Warning | GRR | Kalamazoo | 47 min |
| May 29, 4:08 PM EDT | Severe Thunderstorm Warning | GRR | Barry | 52 min |
| May 29, 4:16 PM EDT | Tornado Warning | GRR | Kalamazoo | 31 min |
| May 29, 4:25 PM EDT | Tornado Warning | GRR | Barry, Calhoun | 35 min |
| May 29, 4:54 PM EDT | Tornado Warning | GRR | Ingham, Jackson | 51 min |
| May 29, 5:01 PM EDT | Areal Flood Advisory | GRR | Clinton | 12 hr |
| May 29, 5:50 PM EDT | Flash Flood Warning | GRR | Clinton, Eaton, Ingham, Ionia | 6 hr |
| May 29, 7:55 PM EDT | River Flood Warning | GRR | Kent | 5 days |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.