Alert archive / Michigan / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 21, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at May 9, 2004, 6:33 PM EDT for Kalamazoo County, Michigan. It was in force for 42 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
- May 9, 2004, 6:33 PM EDT (22:33 UTC)
- Expired
- May 9, 2004, 7:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Counties, with a storm outline in the text
County Kalamazoo County, MI
The radar
The Grand Rapids radar (KGRR), 85 km from the middle of the area, began a volume at 22:33 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 |
|---|---|---|---|
| May 9, 6:45 PM EDT | TSTM WND DMG | Scotts, MI | SEVERAL TREES KNOCKED DOWN |
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 |
|---|---|---|---|
| May 9, 1:55 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 10.6 hours before the alert went out and 187 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 834 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KGRR 092233 SVRGRR MIC077-092315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 633 PM EDT SUN MAY 9 2004 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KALAMAZOO COUNTY IN SOUTHWEST MICHIGAN * UNTIL 715 PM EDT * AT 628 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER SCHOOLCRAFT...OR ABOUT 8 MILES SOUTH OF PORTAGE...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... AUSTIN LAKE...RAMONA PARK AROUND 640 PM EDT ADAMS PARK...MC KAIN CORNERS...PAVILION...EVANS AROUND 645 PM EDT SCOTTS...FULTON...MORROW LAKE AROUND 650 PM EDT GARDNERS CORNERS AROUND 655 PM EDT * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE: AUGUSTA...CLIMAX... GALESBURG...VICKSBURG...COLLINS CORNERS...POMEROY...EDGERTON AND ENGLISHVILLE LARGE HAIL...DAMAGING WINDS...AND HEAVY RAIN ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED. HAIL UP TO ONE INCH IN DIAMETER AND WINDS GREATER THAN 60 MILES AN HOUR ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED. INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. LAT...LON 4211 8579 4198 8561 4209 8531 4234 8533 $$ MJS GEO
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 8:20 PM EDT | Severe Thunderstorm Warning | GRR | Newaygo | 25 min |
| May 8, 9:01 PM EDT | Severe Thunderstorm Warning | GRR | Mecosta, Newaygo | 29 min |
| May 9, 3:17 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 58 min |
| May 9, 3:38 PM EDT | Severe Thunderstorm Warning | GRR | Barry, Eaton | 52 min |
| May 9, 3:57 PM EDT | Special Marine Warning | GRR | 93 min | |
| May 9, 3:57 PM EDT | Special Marine Warning | GRR | 93 min | |
| May 9, 3:57 PM EDT | Special Marine Warning | GRR | 93 min | |
| May 9, 4:23 PM EDT | Severe Thunderstorm Warning | GRR | Van Buren | 52 min |
| May 9, 4:28 PM EDT | Severe Thunderstorm Warning | GRR | Barry | 47 min |
| May 9, 4:44 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 46 min |
| May 9, 4:48 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 57 min |
| May 9, 5:13 PM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo | 62 min |
| May 9, 5:15 PM EDT | Severe Thunderstorm Warning | GRR | Allegan, Ottawa | 45 min |
| May 9, 5:17 PM EDT | Severe Thunderstorm Warning | GRR | Newaygo | 28 min |
| May 9, 5:58 PM EDT | Severe Thunderstorm Warning | GRR | Kent | 47 min |
| May 9, 6:29 PM EDT | Special Marine Warning | GRR | 61 min | |
| May 9, 6:29 PM EDT | Special Marine Warning | GRR | 61 min | |
| May 9, 6:29 PM EDT | Severe Thunderstorm Warning | GRR | Ionia, Montcalm | 61 min |
| May 9, 6:49 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 56 min |
| May 9, 7:12 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 33 min |
| May 9, 7:27 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 63 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2004Every severe thunderstorm warning 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.