Alert archive / Michigan / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 10, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at May 18, 1997, 11:18 PM EDT for Lenawee County, Michigan. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 18, 1997, 11:18 PM EDT (03:18 UTC)
- Expired
- May 19, 1997, 12:15 AM EDT
- In force
- 57 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Lenawee County, MI
The radar
The Detroit radar (KDTX), 102 km from the middle of the area, began a volume at 03:17 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.
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 18, 11:00 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 3.3 hours before the alert went out and 106 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
- 17 J/kg
- Mixed-layer CIN
- -791 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 450 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.
In the hours before
Special weather statement, May 18, 10:45 PM EDT, 33 minutes before
MIZ047>049-053>055-068>070-075>076-082>083-190900- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1045 PM EDT SUN MAY 18 1997 ...TORNADO WATCH NUMBER 301 HAS BEEN ISSUED FOR FAR SOUTHEAST LOWER MICHIGAN UNTIL 500 AM... TORNADO WATCH NUMBER 301 HAS BEEN ISSUED FOR LIVINGSTON... OAKLAND... MACOMB... WASHTENAW... WAYNE... LENAWEE... AND MONROE COUNTIES UNTIL 500 AM. AN AREA OF STRONG TO SEVERE THUNDERSTORM FROM JUST NORTH OF JACKSON... SOUTHWEST TO SOUTH BEND INDIANA. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MPH. THESE STORMS WILL MOVE TO NEAR ANN ARBOR BY 1145 PM... DETROIT AND ADRIAN BY 1230 AM... AND INTO MONROE BY 100 AM. THE STORMS IN FAR SOUTHEAST LOWER MICHIGAN MAY PRODUCE WIND GUSTS UP TO 70 MPH... HAIL TO 1 INCH IN DIAMETER... AND POSSIBLY AN ISOLATED TORNADO. SPOTTER ACTIVATION WILL BE NEEDED LATE THIS EVENING FOR FAR SOUTHEAST LOWER MICHIGAN. THUNDERSTORMS FARTHER NORTH WILL CONTINUE MOVE ACROSS THE FLINT... SAGINAW... AND THUMB REGIONS THROUGH THE NIGHT. THESE STORMS ACROSS THE REST OF SOUTHEAST LOWER MICHIGAN WILL MOVE EAST AT 35 MPH. THESE THUNDERSTORMS MAY PRODUCE HAIL 1/2 INCH IN DIAMETER... WIND GUSTS UP TO 45 MPH AND FREQUENT LIGHTNING. AS A THUNDERSTORM APPROACHES... STAY AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE UNLESS IT IS AN EMERGENCY. STAY TUNED TO NOAA WEATHER RADIO... AND COMMERCIAL AND CABLE TELEVISION STATIONS FOR THE LATEST WARNINGS AND STATEMENTS. RBP
Special weather statement, May 18, 10:57 PM EDT, 21 minutes before
MIZ047>049-053>055-068>070-075>076-082>083-190900- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1045 PM EDT SUN MAY 18 1997 ...TORNADO WATCH NUMBER 301 HAS BEEN ISSUED FOR FAR SOUTHEAST LOWER MICHIGAN UNTIL 500 AM... TORNADO WATCH NUMBER 301 HAS BEEN ISSUED FOR LIVINGSTON... OAKLAND... MACOMB... WASHTENAW... WAYNE... LENAWEE... AND MONROE COUNTIES UNTIL 500 AM. AN AREA OF STRONG TO SEVERE THUNDERSTORM FROM JUST NORTH OF JACKSON... SOUTHWEST TO SOUTH BEND INDIANA. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MPH. THESE STORMS WILL MOVE TO NEAR ANN ARBOR BY 1145 PM... DETROIT AND ADRIAN BY 1230 AM... AND INTO MONROE BY 100 AM. THE STORMS IN FAR SOUTHEAST LOWER MICHIGAN MAY PRODUCE WIND GUSTS UP TO 70 MPH... HAIL TO 1 INCH IN DIAMETER... AND POSSIBLY AN ISOLATED TORNADO. SPOTTER ACTIVATION WILL BE NEEDED LATE THIS EVENING FOR FAR SOUTHEAST LOWER MICHIGAN. THUNDERSTORMS FARTHER NORTH WILL CONTINUE MOVE ACROSS THE FLINT... SAGINAW... AND THUMB REGIONS THROUGH THE NIGHT. THESE STORMS ACROSS THE REST OF SOUTHEAST LOWER MICHIGAN WILL MOVE EAST AT 35 MPH. THESE THUNDERSTORMS MAY PRODUCE HAIL 1/2 INCH IN DIAMETER... WIND GUSTS UP TO 45 MPH AND FREQUENT LIGHTNING. AS A THUNDERSTORM APPROACHES... STAY AWAY FROM WINDOWS. DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE UNLESS IT IS AN EMERGENCY. STAY TUNED TO NOAA WEATHER RADIO... AND COMMERCIAL AND CABLE TELEVISION STATIONS FOR THE LATEST WARNINGS AND STATEMENTS. RBP
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 10:57 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 48 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.