Alert archive / Michigan / Tornado Warnings in 1996
Tornado Warning 9, NWS Detroit, MI
NWS Detroit, MI issued this tornado warning at Jun 21, 1996, 11:34 PM EDT for Lapeer County, Michigan. It was in force for 56 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 21, 1996, 11:34 PM EDT (03:34 UTC)
- Expired
- Jun 22, 1996, 12:30 AM EDT
- In force
- 56 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Lapeer County, MI
The radar
The Detroit radar (KDTX), 48 km from the middle of the area, began a volume at 03:37 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 21, 11:40 PM EDT | Thunderstorm Wind 60 | Columbiaville, 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
Detroit, MI (KDTX), launched 00:00Z, 3.6 hours before the alert went out and 44 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
- 471 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 997 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDTX 220335 TORDTX MIC087-220430- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DETROIT PONTIAC MI 1134 PM EDT FRI JUN 21 1996 THE NATIONAL WEATHER SERVICE IN DETROIT PONTIAC HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 1230 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST LOWER MICHIGAN ...LAPEER COUNTY AT 1135 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A LIKELY TORNADO OVER THE NORTHEAST PART OF GENESEE COUNTY...BETWEEN CLIO AND OTISVILLE. THE SEVERE THUNDERSTORM WITH THE TORNADO WAS MOVING TO THE SOUTHEAST AT 40 MPH...AND IT WILL REACH COLUMBIAVILLE BY MIDNIGHT...AND THE LAPEER AREA BY 1215 AM. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DIDTCH OR CULVERT. DJF
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 21, 6:25 PM EDT, 5 hours 9 minutes before
MIZ050-056>083-220000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 623 PM EDT FRI JUN 21 1996 ...SEVERE THUNDERSTORM WATCH NUMBER 657 REMAINS IN EFFECT UNTIL 800 PM EDT THIS EVENING FOR THE SOUTHERN THIRD OF LOWER MICHIGAN... SEVERE THUNDERSTORM WATCH NUMBER 657 REMAINS IN EFFECT UNTIL 800 PM EDT THIS EVENING FOR THE SOUTHERN THIRD OF LOWER MICHIGAN. THE WATCH IS GENERALLY SOUTH OF A LINE FROM MUSKEGON TO PORT HURON. IN SOUTHEAST MICHIGAN...THIS WATCH INCLUDES SHIAWASSEE...GENESEE... LAPEER...ST. CLAIR...LIVINGSTON...OAKLAND...MACOMB...WASHTENAW... WAYNE...LENAWEE...AND MONROE COUNTIES. AT 620 PM EDT...DOPPLER RADAR INDICATED ISOLATED THUNDERSTORMS OVER SOUTHWEST LOWER MICHIGAN. THEY WERE LOCATED OVER NORTHWEST KENT COUNTY ABOUT 10 MILES NORTH OF GRAND RAPIDS AND OVER ST. JOSEPH COUNTY NEAR THREE RIVERS. NO SEVERE WEATHER HAS BEEN REPORTED WITH EITHER OF THESE THUNDERSTORMS. ELSEWHERE...AN AREA OF LIGHT TO MODERATE RAIN WAS LOCATED FROM THE OSCODA AREA...TO BETWEEN MOUNT PLEASANT AND HARBOR BEACH...TO BETWEEN KALAMAZOO AND PONTIAC. MOVEMENT WAS TO THE EAST 50 MILES AN HOUR. THOSE IN THE WATCH AREA ARE URGED TO PREPARE FOR THE ONSET OF POTENTIALLY SEVERE WEATHER... AND LISTEN TO NATIONAL WEATHER SERVICE WEATHER RADIO FOR THE LATEST WARNINGS AND STATEMENTS. BOYNE
Special weather statement, Jun 21, 6:39 PM EDT, 4 hours 55 minutes before
MIZ050-056>083-220000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 635 PM EDT FRI JUN 21 1996 ...SEVERE THUNDERSTORM WATCH NUMBER 657 HAS BEEN CANCELLED FOR THE SOUTHERN THIRD OF LOWER MICHIGAN... AT 630 PM...THE NATIONAL WEATHER SERVICE CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 657 WHICH WAS IN EFFECT FOR THE SOUTHERN THIRD OF LOWER MICHIGAN. THE THUNDERSTORMS WHICH PROMTED THE WATCH EARLIER IN THE AFTERNOON HAVE DECREASED DRAMATICALLY AS THEY MOVED THROUGH SOUTHWEST LOWER MICHIGAN. SINCE THE REDEVELOPMENT OF SEVERE THUNDERSTORMS IS UNLIKELY TONIGHT...THE SEVERE THUNDERSTORM WATCH WAS CANCELLED EARLY. BOYNE
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 9:52 PM EDT | Flash Flood Warning | DTX | Midland | 3 hr |
| Jun 21, 10:20 PM EDT | Severe Thunderstorm Warning | DTX | Midland | 40 min |
| Jun 21, 10:35 PM EDT | Flash Flood Warning | DTX | Bay, Saginaw | 3 hr |
| Jun 21, 10:47 PM EDT | Tornado Warning | DTX | Midland, Saginaw | 43 min |
| Jun 21, 11:14 PM EDT | Tornado Warning | DTX | Genesee | 61 min |
| Jun 21, 11:33 PM EDT | Flash Flood Warning | DTX | Tuscola | 3 hr |
| Jun 21, 11:45 PM EDT | Tornado Warning | DTX | Saginaw, Tuscola | 30 min |
| Jun 22, 12:07 AM EDT | Severe Thunderstorm Warning | DTX | Bay, Tuscola | 68 min |
| Jun 22, 12:18 AM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 57 min |
| Jun 22, 12:23 AM EDT | Flash Flood Warning | DTX | Lapeer | 3 hr |
| Jun 22, 12:30 AM EDT | Tornado Warning | DTX | Lapeer | 45 min |
| Jun 22, 12:46 AM EDT | Tornado Warning | DTX | Saint Clair | 59 min |
| Jun 22, 1:02 AM EDT | Flash Flood Warning | DTX | Saint Clair, Sanilac | 3 hr |
| Jun 22, 1:02 AM EDT | Tornado Warning | DTX | Lapeer | 43 min |
| Jun 22, 1:40 AM EDT | Tornado Warning | DTX | Saint Clair | 65 min |
Nearby
Tornado Warnings in Michigan, 1996Every tornado warning in 1996Tornadoes in 1996
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.