Alert archive / Michigan / Tornado Warnings in 2010
Tornado Warning 13, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this tornado warning at Jun 22, 2010, 1:20 AM EDT for Kent County, Michigan. It was in force for 25 min. 1 report 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
- Jun 22, 2010, 1:20 AM EDT (05:20 UTC)
- Expired
- Jun 22, 2010, 1:45 AM EDT
- In force
- 25 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Storm-based polygon
County Kent County, MI
The radar
The Grand Rapids radar (KGRR), 26 km from the middle of the area, began a volume at 05:23 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 |
|---|---|---|---|
| Jun 22, 1:36 AM EDT | TSTM WND GST 50 | Rockford, MI |
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 |
|---|---|---|---|
| Jun 22, 12:09 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 5.3 hours before the alert went out and 182 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
- 5 J/kg
- Mixed-layer CIN
- -192 J/kg
- Mixed-layer LCL
- 1363 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
679 WFUS53 KGRR 220520 TORGRR MIC081-220545- /O.NEW.KGRR.TO.W.0013.100622T0520Z-100622T0545Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 120 AM EDT TUE JUN 22 2010 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A * TORNADO WARNING FOR... CENTRAL KENT COUNTY IN SOUTHWEST MICHIGAN... * UNTIL 145 AM EDT * AT 118 AM EDT...LOCAL LAW ENFORCEMENT REPORTED APOSSIBLE TORNADO 5 MILES SOUTH OF SPARTA. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST AT 40 MPH. * THE TORNADO WILL BE NEAR... ALPINE AROUND 120 AM EDT... ROCKFORD AROUND 125 AM EDT... BELMONT AROUND 125 AM EDT... CANNONSBURG AROUND 135 AM EDT... GRATTAN TWP AROUND 140 AM EDT... THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS... SPARTA... ROCKFORD... SPENCER TWP... GRATTAN TWP... OAKFIELD TWP... ALPINE... COMSTOCK PARK... BELMONT... WALKER... CANNONSBURG... HARVARD... PARNELL... PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE DIFFICULT TO SEE AT NIGHT. 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 4318 8578 4326 8531 4300 8531 4300 8578 TIME...MOT...LOC 0520Z 270DEG 35KT 4309 8565 $$ NJJ
2 follow-up statements
861 WWUS53 KGRR 220526 SVSGRR SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 126 AM EDT TUE JUN 22 2010 MIC081-220545- /O.CON.KGRR.TO.W.0013.000000T0000Z-100622T0545Z/ KENT MI- 126 AM EDT TUE JUN 22 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN KENT COUNTY UNTIL 145 AM EDT... AT 123 AM EDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS TORNADO WAS LOCATED NEAR SPARTA...MOVING EAST AT 35 MPH. THIS IS A VERY DANGEROUS SITUATION. LOCATIONS IMPACTED INCLUDE... SPARTA... ROCKFORD... SPENCER TWP... GRATTAN TWP... OAKFIELD TWP... ALPINE... COMSTOCK PARK... BELMONT... CANNONSBURG... HARVARD... PARNELL... PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE DIFFICULT TO SEE AT NIGHT. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4318 8578 4326 8531 4300 8531 4302 8566 TIME...MOT...LOC 0526Z 268DEG 31KT 4310 8562 $$ WDM
040 WWUS53 KGRR 220545 SVSGRR SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 145 AM EDT TUE JUN 22 2010 MIC081-220555- /O.EXP.KGRR.TO.W.0013.000000T0000Z-100622T0545Z/ KENT MI- 145 AM EDT TUE JUN 22 2010 ...THE TORNADO WARNING FOR NORTHERN KENT COUNTY HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7 AM. LAT...LON 4318 8578 4326 8532 4300 8531 4302 8566 TIME...MOT...LOC 0526Z 268DEG 31KT 4309 8562 $$ WDM
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 11:16 PM EDT | Special Marine Warning | GRR | 119 min | |
| Jun 21, 11:49 PM EDT | Special Marine Warning | GRR | 86 min | |
| Jun 22, 12:24 AM EDT | Severe Thunderstorm Warning | GRR | Allegan, Kent, Muskegon, Ottawa | 66 min |
| Jun 22, 12:58 AM EDT | Areal Flood Advisory | GRR | Kent, Muskegon, Ottawa | 10 hr |
| Jun 22, 12:59 AM EDT | Tornado Warning | GRR | Kent, Ottawa | 31 min |
| Jun 22, 1:06 AM EDT | Special Marine Warning | GRR | 24 min | |
| Jun 22, 1:12 AM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Kent, Ottawa | 48 min |
| Jun 22, 1:26 AM EDT | Flash Flood Warning | GRR | Muskegon, Ottawa | 3 hr |
| Jun 22, 1:32 AM EDT | Areal Flood Advisory | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Ionia and 3 more | 9 hr |
| Jun 22, 1:35 AM EDT | Severe Thunderstorm Warning | GRR | Allegan, Barry, Eaton, Ionia, Kent, Montcalm | 40 min |
| Jun 22, 1:48 AM EDT | Special Weather Statement | GRR | Calhoun, Kalamazoo | 57 min |
| Jun 22, 1:58 AM EDT | Severe Thunderstorm Warning | GRR | Barry, Clinton, Eaton, Ingham, Ionia | 62 min |
| Jun 22, 2:23 AM EDT | Severe Thunderstorm Warning | GRR | Barry, Calhoun, Eaton, Ingham, Jackson | 67 min |
| Jun 22, 2:27 AM EDT | Areal Flood Advisory | GRR | Calhoun, Clinton, Eaton, Ingham, Jackson | 8 hr |
| Jun 22, 11:00 AM EDT | River Flood Advisory | GRR | Allegan | 10 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.