Alert archive / Michigan / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 12, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jun 20, 1997, 12:24 PM EDT for Saginaw County, Michigan. It was in force for 41 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
- Jun 20, 1997, 12:24 PM EDT (16:24 UTC)
- Expired
- Jun 20, 1997, 1:05 PM EDT
- In force
- 41 min
- Issued by
- NWS Detroit, MI
- Area
- Whole counties
County Saginaw County, MI
The radar
The Detroit radar (KDTX), 85 km from the middle of the area, began a volume at 16:23 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 nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 4.4 hours before the alert went out and 85 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
- 858 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1031 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 82 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, Jun 20, 11:15 AM EDT, 1 hour 9 minutes before
MIZ047>049-053>055-060>063-068>070-075-076-082-083-211200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1115 AM EDT FRI JUN 19 1997 ...SEVERE WEATHER POTENTIAL STATEMENT FOR SOUTHEAST LOWER MICHIGAN... DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER SOUTHEAST LOWER MICHIGAN THIS AFTERNOON AND TONIGHT AS VERY UNSTABLE AIR CONTINUES TO STREAM INTO THE REGION AHEAD OF A COLD FRONT. THE COLD FRONT WAS OVER THE UPPER MISSISSIPPI VALLEY LATE THIS MORNING AND WILL MOVE INTO WESTERN LOWER MICHIGAN SATURDAY MORNING. ISOLATED TO SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE...ESPECIALLY LATE THIS AFTERNOON AND EVENING. SPOTTER ACTIVATION MAY BE NECESSARY. THESE STORMS ARE CAPABLE OF PRODUCING WIND GUSTS TO 60 MPH...HEAVY DOWNPOURS AND HAIL TO 1/2 INCH IN DIAMETER. THE STORMS WILL ALSO MOVE TO THE EAST AT 25 MPH. STAY TUNED TO THIS STATION FOR THEJ LATEST WEATHER INFORMATION CONCERNING THUNDERSTORM POTENTIAL IN SOUTHEAST LOWER MICHIGAN FOR THIS AFTERNOON AND TONIGHT. GSS
Special weather statement, Jun 20, 11:28 AM EDT, 56 minutes before
MIZ053-201630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1128 AM EDT FRI JUN 20 1997 ...STRONG THUNDERSTORMS HEADING FOR SAGINAW COUNTY... AT 1125 AM WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM FROM NEAR ITHICA IN GRATIOT COUNTY EAST TO WESTERN SAGINAW COUNTY. THE STRONGEST PART OF THE STORM WAS OVER EASTERN GRATIOT COUNTY. THE STORM WAS MOVING EAST AT 30 MILES PER HOUR AND WILL AFFECT ST. CHARLES...CHESANING BY 1145 AM AND BIRCH RUN AND FRANKENMUTH BY 1215 PM. HALF INCH SIZE HAIL WAS REPORTED WITH THIS STORM EARLIER IN MONTCALM COUNTY NEAR CARSON CITY. THIS STORM WILL PRODUCE VERY HEAVY RAINFALL ALONG WITH GUSTY WINDS TO 40 MILES AN HOUR. PERSONS IN SAGINAW COUNTY SHOULD BE ALERT TO THIS APPROACHING STORM AND MOVE INTO A SAFE SHELTER IF THREATENING CONDITIONS APPROACH. DRC
Special weather statement, Jun 20, 11:30 AM EDT, 54 minutes before
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</html>The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 12:05 PM EDT | Severe Thunderstorm Warning | DTX | Midland | 50 min |
| Jun 20, 2:20 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 60 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.