Alert archive / Michigan / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 5, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at May 5, 1997, 11:42 PM EDT for Wayne County, Michigan. It was in force for 48 min. 3 reports 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
- May 5, 1997, 11:42 PM EDT (03:42 UTC)
- Expired
- May 6, 1997, 12:30 AM EDT
- In force
- 48 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Wayne County, MI
The radar
The Detroit radar (KDTX), 49 km from the middle of the area, began a volume at 03:46 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 5, 11:52 PM EDT | Hail 0.75 | Westland, MI | |
| May 5, 11:54 PM EDT | Hail 0.75 | Livonia, MI | |
| May 6, 12:05 AM EDT | Hail 0.75 | Dearborn, 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
Alpena, MI (KAPX), launched 00:00Z, 3.7 hours before the alert went out and 317 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
- 701 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- -41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at May 5, 12:22 PM EDT, 11 hours 20 minutes earlier.
Area forecast discussion, May 5, 12:22 PM EDT, 11 hours 20 minutes before
SHORT TERM FORECAST NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1221 PM EDT MON MAY 5 1997 MIZ047>048-053-052100- MIDLAND...BAY CITY...SAGINAW... .NOW... MOSTLY CLOUDY SKIES AND SCATTERED SHOWERS AND THUNDERSTORMS WILL BE SEEN ACROSS THE AREA THIS AFTERNOON. SOME OF THESE THUNDERSTORMS WILL PRODUCE WIND GUSTS UP 45 MILES AN HOUR AND SMALL HAIL. TEMPERATURES WILL REMAIN AROUND 60 DEGREES. HOWEVER...A STIFF SOUTHWEST WIND AT 20 TO 30 MPH WILL XMAKE IT FEEL COOLER THAN WHAT THE THERMOMETER IS READING. BOYNE
In the hours before
Local storm report, May 5, 9:25 PM EDT, 2 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MICHIGAN
925 PM EDT MON MAY 05 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0820 PM HEMLOCK MI 1.75 INCH HAIL
05/05/97 SAGINAW PUBLIC REPORTED GOLF BALL
SIZED HAIL IN HEMLOCK
0833 PM MERRILL MI .75 INCH HAIL
05/05/97 SAGINAW SPOTTER REPORTED DIME
SIZED HAIL JUST NORTH OF
MERRILLLocal storm report, May 5, 9:28 PM EDT, 2 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MICHIGAN
925 PM EDT MON MAY 05 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0820 PM HEMLOCK MI 1.75 INCH HAIL
05/05/97 SAGINAW PUBLIC REPORTED GOLF BALL
SIZED HAIL IN HEMLOCK
0833 PM MERRILL MI .75 INCH HAIL
05/05/97 SAGINAW SPOTTER REPORTED DIME
SIZED HAIL JUST NORTH OF
MERRILLLocal storm report, May 5, 10:07 PM EDT, 1 hour 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MICHIGAN
1007 PM EDT MON MAY 05 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0820 PM HEMLOCK MI 1.75 INCH HAIL
05/05/97 SAGINAW PUBLIC REPORTED GOLF BALL
SIZED HAIL IN HEMLOCK
0833 PM MERRILL MI .75 INCH HAIL
05/05/97 SAGINAW SPOTTER REPORTED DIME
SIZED HAIL JUST NORTH OF
MERRILL
0950 PM GRAND BLANC MI .75 INCH HAIL
05/05/97 GENESEE SPOTTER REPORTED DIME
SIZED HAIL 2 MILES NORTH
OF GRAND BLANCLocal storm report, May 5, 10:09 PM EDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MICHIGAN
1007 PM EDT MON MAY 05 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0820 PM HEMLOCK MI 1.75 INCH HAIL
05/05/97 SAGINAW PUBLIC REPORTED GOLF BALL
SIZED HAIL IN HEMLOCK
0833 PM MERRILL MI .75 INCH HAIL
05/05/97 SAGINAW SPOTTER REPORTED DIME
SIZED HAIL JUST NORTH OF
MERRILL
0950 PM GRAND BLANC MI .75 INCH HAIL
05/05/97 GENESEE SPOTTER REPORTED DIME
SIZED HAIL 2 MILES NORTH
OF GRAND BLANCThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 8:25 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw | 35 min |
| May 5, 9:41 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 49 min |
| May 5, 11:35 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 25 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1997Every severe thunderstorm warning in 1997
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.