Alert archive / Michigan / Tornado Warnings in 2004

Tornado Warning 9, NWS Grand Rapids, MI

June 13, 2004Montcalm County, Michigan

NWS Grand Rapids, MI issued this tornado warning at Jun 13, 2004, 1:58 PM EDT for Montcalm County, Michigan. It was in force for 32 min. 3 reports 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 13, 2004, 1:58 PM EDT (17:58 UTC)
Expired: Jun 13, 2004, 2:30 PM EDT
In force: 32 min
Issued by: NWS Grand Rapids, MI
Area: Counties, with a storm outline in the text

County Montcalm County, MI

The radar

The Grand Rapids radar (KGRR), 65 km from the middle of the area, began a volume at 18:01 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 13, 2:01 PM EDT	TSTM WND DMG	2 Se Stanton, MI	10 LARGE LIMBS AND TREES DOWN
Jun 13, 2:25 PM EDT	HAIL 0.75	4 Sw Vestaburg, MI
Jun 13, 2:27 PM EDT	HAIL 0.75	4 Sw Vestaburg, 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 13, 1:00 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 6.0 hours before the alert went out and 149 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 37 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 673 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 42 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.

000 
WFUS53 KGRR 131758
TORGRR
MIC117-131830-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
157 PM EDT SUN JUN 13 2004

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* TORNADO WARNING FOR...
  MONTCALM COUNTY IN CENTRAL MICHIGAN

* UNTIL 230 PM EDT

* AT 157 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR STANTON MOVING    
  NORTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  MCBRIDE...EDMORE AROUND 205 PM EDT
  CEDAR LAKE AROUND 210 PM EDT
  VESTABURG AROUND 215 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 4346 8498 4346 8486 4330 8486 4319 8515
          4325 8521 4335 8528

$$

RG BM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 12:44 PM EDT	Severe Thunderstorm Warning	GRR	Ottawa	31 min
Jun 13, 12:55 PM EDT	Severe Thunderstorm Warning	GRR	Kent	50 min
Jun 13, 1:28 PM EDT	Severe Thunderstorm Warning	GRR	Montcalm	47 min
Jun 13, 2:29 PM EDT	Tornado Warning	GRR	Gratiot	31 min
Jun 13, 4:54 PM EDT	Severe Thunderstorm Warning	GRR	Ionia, Kent	51 min
Jun 13, 5:22 PM EDT	Severe Thunderstorm Warning	GRR	Isabella	23 min
Jun 13, 5:25 PM EDT	Severe Thunderstorm Warning	GRR	Gratiot	50 min
Jun 13, 5:34 PM EDT	Severe Thunderstorm Warning	GRR	Clinton	56 min
Jun 13, 5:46 PM EDT	Severe Thunderstorm Warning	GRR	Ionia	14 min

Nearby

Tornado Warnings in Michigan, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.