Alert archive / Michigan / Tornado Warnings in 2002
Tornado Warning 6, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this tornado warning at Aug 1, 2002, 9:29 PM EDT for Clare County, Michigan. It was in force for 31 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
- Aug 1, 2002, 9:29 PM EDT (01:29 UTC)
- Expired
- Aug 1, 2002, 10:00 PM EDT
- In force
- 31 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Counties, with a storm outline in the text
County Clare County, MI
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 1, 6:30 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 1.5 hours before the alert went out and 186 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
- 1550 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1496 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
249 WFUS53 KGRR 020129 TORGRR MIC035-020200- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 929 PM EDT THU AUG 1 2002 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A * TORNADO WARNING FOR... CLARE COUNTY IN CENTRAL MICHIGAN * UNTIL 1000 PM EDT * AT 923 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM PRODUCING A TORNADO OVER CLARE COUNTY...OR ABOUT 14 MILES NORTH OF CLARE...MOVING NORTHEAST AT 40 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... RURAL CLARE COUNTY AT 940 PM EDT THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. LAT...LON 4403 8499 4391 8482 4409 8454 4424 8473 MWH
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 8:38 PM EDT | Severe Thunderstorm Warning | GRR | Lake | 22 min |
| Aug 1, 8:39 PM EDT | Special Marine Warning | GRR | 36 min | |
| Aug 1, 8:39 PM EDT | Special Marine Warning | GRR | 36 min | |
| Aug 1, 8:57 PM EDT | Severe Thunderstorm Warning | GRR | Newaygo | 63 min |
| Aug 1, 9:02 PM EDT | Tornado Warning | GRR | Osceola | 28 min |
| Aug 1, 9:09 PM EDT | Severe Thunderstorm Warning | GRR | Oceana | 41 min |
| Aug 1, 9:10 PM EDT | Severe Thunderstorm Warning | GRR | Mecosta | 65 min |
| Aug 1, 9:22 PM EDT | Severe Thunderstorm Warning | GRR | Muskegon | 83 min |
| Aug 1, 9:34 PM EDT | Special Marine Warning | GRR | 116 min | |
| Aug 1, 9:34 PM EDT | Special Marine Warning | GRR | 116 min | |
| Aug 1, 9:37 PM EDT | Tornado Warning | GRR | Mecosta | 23 min |
| Aug 1, 9:56 PM EDT | Tornado Warning | GRR | Newaygo | 34 min |
| Aug 1, 10:00 PM EDT | Tornado Warning | GRR | Mecosta | 30 min |
| Aug 1, 10:04 PM EDT | Tornado Warning | GRR | Montcalm | 56 min |
| Aug 1, 10:10 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 65 min |
| Aug 1, 10:20 PM EDT | Severe Thunderstorm Warning | GRR | Ottawa | 85 min |
| Aug 1, 10:47 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 58 min |
| Aug 1, 10:58 PM EDT | Severe Thunderstorm Warning | GRR | Montcalm | 17 min |
| Aug 1, 11:00 PM EDT | Severe Thunderstorm Warning | GRR | Ionia | 60 min |
| Aug 1, 11:13 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 32 min |
| Aug 1, 11:16 PM EDT | Severe Thunderstorm Warning | GRR | Allegan | 59 min |
| Aug 1, 11:20 PM EDT | Severe Thunderstorm Warning | GRR | Barry | 55 min |
| Aug 1, 11:37 PM EDT | Special Marine Warning | GRR | 113 min | |
| Aug 1, 11:37 PM EDT | Special Marine Warning | GRR | 113 min | |
| Aug 2, 12:06 AM EDT | Severe Thunderstorm Warning | GRR | Ingham | 54 min |
| Aug 2, 12:33 AM EDT | Special Marine Warning | GRR | 87 min | |
| Aug 2, 1:11 AM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Kalamazoo, Van Buren | 34 min |
| Aug 2, 1:21 AM EDT | Tornado Warning | GRR | Kalamazoo | 24 min |
| Aug 2, 1:43 AM EDT | Severe Thunderstorm Warning | GRR | Jackson | 62 min |
| Aug 2, 1:49 AM EDT | Severe Thunderstorm Warning | GRR | Jackson | 56 min |
Nearby
Tornado Warnings in Michigan, 2002Every tornado warning in 2002Tornadoes in 2002
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.