Alert archive / Michigan / Tornado Warnings in 2010
Tornado Warning 21, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this tornado warning at Jul 22, 2010, 5:42 PM EDT for Calhoun County, Jackson County, Michigan. It was in force for 29 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 22, 2010, 5:42 PM EDT (21:42 UTC)
- Expired
- Jul 22, 2010, 6:11 PM EDT
- In force
- 29 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
Counties Calhoun County, MI, Jackson County, MI
The radar
The Detroit radar (KDTX), 94 km from the middle of the area, began a volume at 21:45 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 22, 4:53 PM EDT | Tornado Watch | SPC | 3 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 9.7 hours before the alert went out and 98 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
- 1135 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -8 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.
308
WFUS53 KGRR 222142
TORGRR
MIC025-075-222245-
/O.NEW.KGRR.TO.W.0021.100722T2142Z-100722T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
542 PM EDT THU JUL 22 2010
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
* TORNADO WARNING FOR...
EAST CENTRAL CALHOUN COUNTY IN SOUTH CENTRAL MICHIGAN...
JACKSON COUNTY IN SOUTH CENTRAL MICHIGAN...
* UNTIL 645 PM EDT
* AT 540 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
DANGEROUS STORM WAS LOCATED NEAR ALBION...AND MOVING EAST AT 25
MPH.
THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
JACKSON... GRASS LAKE... CONCORD...
BROOKLYN... ALBION... WATERLOO TWP...
LIBERTY TWP... MICHIGAN CENTER... VANDERCOOK LAKE...
HORTON... SANDSTONE... NAPOLEON...
LEONI... CLARK LAKE... SPRING ARBOR...
PARMA... BABCOCK... WATERLOO...
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.
TO REPORT SEVERE WEATHER...CONTACT THE NATIONAL WEATHER SERVICE IN
GRAND RAPIDS AT 1 800 647 3836.
&&
LAT...LON 4207 8421 4217 8481 4231 8482 4241 8414
4208 8413
TIME...MOT...LOC 2143Z 267DEG 24KT 4222 8472
$$
TJT2 follow-up statements
725
WWUS53 KGRR 222157
SVSGRR
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
557 PM EDT THU JUL 22 2010
MIC025-222207-
/O.CAN.KGRR.TO.W.0021.000000T0000Z-100722T2245Z/
CALHOUN MI-
557 PM EDT THU JUL 22 2010
...THE TORNADO WARNING FOR EAST CENTRAL CALHOUN COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS EITHER WEAKENED OR MOVED OUT
OF THE WARNED AREA.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR SOUTH CENTRAL MICHIGAN.
LAT...LON 4227 8470 4218 8413 4208 8413 4207 8421
4216 8472
TIME...MOT...LOC 2157Z 286DEG 23KT 4217 8463
$$
MIC075-222245-
/O.CON.KGRR.TO.W.0021.000000T0000Z-100722T2245Z/
JACKSON MI-
557 PM EDT THU JUL 22 2010
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN JACKSON COUNTY
UNTIL 645 PM EDT...
AT 553 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
STORM WAS LOCATED NEAR CONCORD...MOVING EAST AT 25 MPH.
* THIS DANGEROUS STORM WILL BE NEAR...
CONCORD AROUND 555 PM EDT...
HORTON AROUND 610 PM EDT...
LIBERTY TWP AROUND 620 PM EDT...
CLARK LAKE AROUND 630 PM EDT...
BROOKLYN AROUND 640 PM EDT...
THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
CONCORD... BROOKLYN... LIBERTY TWP...
VANDERCOOK LAKE... HORTON... NAPOLEON...
CLARK LAKE... SPRING ARBOR... NORVELL...
ACKERSON LAKE... SOUTH JACKSON... NAPOLEON ARPT...
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 1000 PM EDT THURSDAY EVENING
FOR SOUTH CENTRAL MICHIGAN.
LAT...LON 4227 8470 4218 8413 4208 8413 4207 8421
4216 8472
TIME...MOT...LOC 2157Z 286DEG 23KT 4217 8463
$$
LAURENS002
WWUS53 KGRR 222211
SVSGRR
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
611 PM EDT THU JUL 22 2010
MIC075-222222-
/O.CAN.KGRR.TO.W.0021.000000T0000Z-100722T2245Z/
JACKSON MI-
611 PM EDT THU JUL 22 2010
...THE TORNADO WARNING FOR SOUTHERN JACKSON COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS
THUNDERSTORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR SOUTH CENTRAL MICHIGAN.
LAT...LON 4227 8470 4218 8413 4208 8413 4207 8421
4216 8472
TIME...MOT...LOC 2212Z 279DEG 24KT 4217 8448
$$
LAURENSThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 10:46 AM EDT | Small Craft Advisory | GRR | 30 hr | |
| Jul 22, 2:18 PM EDT | Special Marine Warning | GRR | 72 min | |
| Jul 22, 2:47 PM EDT | Special Weather Statement | GRR | Allegan | 58 min |
| Jul 22, 4:03 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Calhoun, Eaton, Kalamazoo | 42 min |
| Jul 22, 4:05 PM EDT | Flash Flood Watch | GRR | Allegan, Clare, Isabella, Kent, Lake, Mason and 8 more | 12 hr |
| Jul 22, 4:23 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Kalamazoo, Van Buren | 52 min |
| Jul 22, 4:25 PM EDT | Tornado Warning | GRR | Barry, Calhoun, Kalamazoo | 35 min |
| Jul 22, 4:41 PM EDT | Tornado Warning | GRR | Calhoun, Kalamazoo | 49 min |
| Jul 22, 5:12 PM EDT | Areal Flood Advisory | GRR | Calhoun, Kalamazoo | 8 hr |
| Jul 22, 5:14 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Jackson | 46 min |
| Jul 22, 5:56 PM EDT | Areal Flood Advisory | GRR | Jackson | 6 hr |
| Jul 22, 7:07 PM EDT | Special Marine Warning | GRR | 83 min |
Nearby
Tornado Warnings in Michigan, 2010Every tornado warning in 2010Tornadoes in 2010
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.