Alert archive / Michigan / Tornado Warnings in 2000
Tornado Warning 4, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this tornado warning at Jul 13, 2000, 9:37 PM EDT for Mason County, Michigan. It was in force for 23 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
- Jul 13, 2000, 9:37 PM EDT (01:37 UTC)
- Expired
- Jul 13, 2000, 10:00 PM EDT
- In force
- 23 min
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
County Mason County, MI
The radar
The Grand Rapids radar (KGRR), 138 km from the middle of the area, began a volume at 01:40 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 |
|---|---|---|---|
| Jul 13, 9:40 PM EDT | Hail 1 | Scottville, 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.6 hours before the alert went out and 146 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
- 928 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1875 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.8
The text
As transmitted, in the capitals the NWS used until 2016.
339 WFUS53 KGRR 140137 TORGRR MIC105-140200- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 937 PM EDT THU JUL 13 2000 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A * TORNADO WARNING FOR... MASON COUNTY IN WEST CENTRAL MICHIGAN * UNTIL 1000 PM EDT * AT 935 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE TORNADO 9 MILES NORTHWEST OF SCOTTVILLE...OR ABOUT 9 MILES NORTHEAST OF LUDINGTON...MOVING SOUTHEAST AT 30 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... SCOTTVILLE AROUND 945 PM EDT CUSTER AROUND 950 PM EDT WALHALLA AROUND 955 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.
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 9:04 PM EDT | Severe Thunderstorm Warning | GRR | Mason | 56 min |
| Jul 13, 9:59 PM EDT | Severe Thunderstorm Warning | GRR | Newaygo, Oceana | 61 min |
| Jul 13, 10:00 PM EDT | Tornado Warning | GRR | Mason | 15 min |
| Jul 13, 10:39 PM EDT | Severe Thunderstorm Warning | GRR | Lake | 36 min |
| Jul 14, 1:08 AM EDT | Severe Thunderstorm Warning | GRR | Gratiot | 67 min |
| Jul 14, 1:15 PM EDT | Severe Thunderstorm Warning | GRR | Clinton | 30 min |
| Jul 14, 1:56 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 34 min |
| Jul 14, 2:42 PM EDT | Severe Thunderstorm Warning | GRR | Ingham, Jackson | 48 min |
| Jul 14, 5:02 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot | 28 min |
Nearby
Tornado Warnings in Michigan, 2000Every tornado warning in 2000Tornadoes in 2000
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; radar from the NEXRAD Level II archive.