Alert archive / Michigan / Tornado Warnings in 2003

Tornado Warning 2, NWS Grand Rapids, MI

June 28, 2003Jackson County, Michigan

NWS Grand Rapids, MI issued this tornado warning at Jun 28, 2003, 5:51 PM EDT for Jackson County, Michigan. It was in force for 39 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
Jun 28, 2003, 5:51 PM EDT (21:51 UTC)
Expired
Jun 28, 2003, 6:30 PM EDT
In force
39 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), 98 km from the middle of the area, began a volume at 21:51 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.

IssuedProductOfficeLasted
Jun 28, 12:40 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.9 hours before the alert went out and 102 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.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2003-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2003-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
70 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
1302 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

318 
WFUS53 KGRR 282151
TORGRR
MIC075-282230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
550 PM EDT SAT JUN 28 2003

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* TORNADO WARNING FOR...
  JACKSON COUNTY IN SOUTH CENTRAL MICHIGAN

* UNTIL 630 PM EDT

* AT 548 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO OVER SPRING ARBOR...OR
  ABOUT 6 MILES SOUTHWEST OF JACKSON...MOVING EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   JACKSON...VANDERCOOK LAKE...CLARK LAKE AROUND 555 PM EDT
   MICHIGAN CENTER AROUND 600 PM EDT
   LEONI...OAK POINT...NAPOLEON AROUND 605 PM EDT
   GRASS LAKE...NORVELL AROUND 610 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 4221 8468 4210 8459 4212 8415 4239 8418

$$

JK EO

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 12:45 PM EDTSpecial Marine WarningGRR60 min
Jun 28, 12:45 PM EDTSpecial Marine WarningGRR60 min
Jun 28, 12:45 PM EDTSpecial Marine WarningGRR60 min
Jun 28, 12:45 PM EDTSpecial Marine WarningGRR60 min
Jun 28, 12:54 PM EDTSevere Thunderstorm WarningGRRKent, Montcalm51 min
Jun 28, 1:52 PM EDTSevere Thunderstorm WarningGRRIsabella, Mecosta38 min
Jun 28, 3:12 PM EDTSevere Thunderstorm WarningGRRIsabella48 min
Jun 28, 3:31 PM EDTSevere Thunderstorm WarningGRRKalamazoo, Van Buren59 min
Jun 28, 4:31 PM EDTSevere Thunderstorm WarningGRRCalhoun, Kalamazoo59 min
Jun 28, 5:28 PM EDTSevere Thunderstorm WarningGRRCalhoun, Jackson62 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.