Alert archive / Michigan / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 49, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 12, 2001, 1:09 AM EDT for Van Buren County, Michigan. It was in force for 51 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 12, 2001, 1:09 AM EDT (05:09 UTC)
- Expired
- Jun 12, 2001, 2:00 AM EDT
- In force
- 51 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
County Van Buren County, MI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 12, 1:25 AM EDT | Thunderstorm Wind 53 E | Bangor, MI |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 11, 11:30 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 5.2 hours before the alert went out and 241 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
- 258 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1239 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 75 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 120509 SVRGRR MIC159-120600- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 109 AM EDT TUE JUN 12 2001 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... VAN BUREN COUNTY IN SOUTHWEST MICHIGAN * UNTIL 200 AM EDT * AT 104 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR SOUTH HAVEN...MOVING SOUTHEAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... COVERT...LACOTA AROUND 115 AM EDT BANGOR...MCDONALD...BREEDSVILLE AROUND 120 AM EDT HARTFORD AROUND 125 AM EDT LAWRENCE...GLENDALE AROUND 130 AM EDT DECATUR...PAW PAW AROUND 140 AM EDT HAIL UP TO THE SIZE OF GOLFBALLS AND WINDS UP TO 70 MILES AN HOUR ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED. JK/DUKE
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 12:01 AM EDT | Severe Thunderstorm Warning | GRR | Muskegon, Oceana | 59 min |
| Jun 12, 12:01 AM EDT | Severe Thunderstorm Warning | GRR | Ottawa | 59 min |
| Jun 12, 12:32 AM EDT | Severe Thunderstorm Warning | GRR | Kent, Newaygo | 73 min |
| Jun 12, 12:32 AM EDT | Severe Thunderstorm Warning | GRR | Allegan | 73 min |
| Jun 12, 12:59 AM EDT | Severe Thunderstorm Warning | GRR | Ottawa | 31 min |
| Jun 12, 1:28 AM EDT | Severe Thunderstorm Warning | GRR | Barry, Kalamazoo | 47 min |
| Jun 12, 1:54 AM EDT | Severe Thunderstorm Warning | GRR | Calhoun | 51 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.