Alert archive / Michigan / Tornado Warnings in 2003
Tornado Warning 5, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this tornado warning at Aug 1, 2003, 2:25 PM EDT for Jackson County, Michigan. It was in force for 50 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, 2003, 2:25 PM EDT (18:25 UTC)
- Expired
- Aug 1, 2003, 3:15 PM EDT
- In force
- 50 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Counties, with a storm outline in the text
County Jackson County, MI
The radar
The Detroit radar (KDTX), 100 km from the middle of the area, began a volume at 18:29 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 |
|---|---|---|---|
| Aug 1, 10:45 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 6.4 hours before the alert went out and 104 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
- 212 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1092 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
675 WFUS53 KGRR 011825 TORGRR MIC075-011915- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 225 PM EDT FRI AUG 1 2003 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A * TORNADO WARNING FOR... JACKSON COUNTY IN SOUTH CENTRAL MICHIGAN * UNTIL 315 PM EDT * AT 223 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM PRODUCING A TORNADO OVER HANOVER...OR ABOUT 10 MILES WEST OF VANDERCOOK LAKE...MOVING EAST AT 30 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... HORTON AROUND 230 PM EDT VANDERCOOK LAKE...JACKSON AROUND 240 PM EDT CLARK LAKE...MICHIGAN CENTER AROUND 245 PM EDT OAK POINT...LEONI AROUND 250 PM EDT NAPOLEON...BROOKLYN...SUNSET BEACH AROUND 255 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 4223 8469 4205 8469 4203 8409 4225 8408 $$ IOD 93
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 9:25 AM EDT | Special Marine Warning | GRR | 80 min | |
| Aug 1, 9:25 AM EDT | Special Marine Warning | GRR | 80 min | |
| Aug 1, 9:25 AM EDT | Special Marine Warning | GRR | 80 min | |
| Aug 1, 9:25 AM EDT | Special Marine Warning | GRR | 80 min | |
| Aug 1, 12:17 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Montcalm | 58 min |
| Aug 1, 12:22 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Montcalm | 53 min |
| Aug 1, 12:39 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 51 min |
| Aug 1, 12:59 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 31 min |
| Aug 1, 1:01 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Eaton | 59 min |
| Aug 1, 1:20 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 55 min |
| Aug 1, 1:24 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 36 min |
| Aug 1, 1:27 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 33 min |
| Aug 1, 1:45 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 75 min |
| Aug 1, 1:57 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 33 min |
| Aug 1, 2:13 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 47 min |
| Aug 1, 4:31 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 59 min |
| Aug 1, 4:33 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 57 min |
| Aug 1, 4:41 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 64 min |
| Aug 1, 4:52 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 53 min |
| Aug 1, 4:58 PM EDT | Severe Thunderstorm Warning | GRR | Allegan | 47 min |
| Aug 1, 5:02 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 43 min |
| Aug 1, 5:10 PM EDT | Severe Thunderstorm Warning | GRR | Barry | 65 min |
| Aug 1, 5:43 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 62 min |
| Aug 1, 7:38 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 37 min |
Nearby
Tornado Warnings in Michigan, 2003Every tornado warning in 2003Tornadoes in 2003
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.