Alert archive / Michigan / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 21, NWS Marquette, MI
NWS Marquette, MI issued this severe thunderstorm warning at Aug 16, 1988, 6:01 PM EDT for Marquette County, Michigan. It was in force for 59 min. 2 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
- Aug 16, 1988, 6:01 PM EDT (22:01 UTC)
- Expired
- Aug 16, 1988, 7:00 PM EDT
- In force
- 59 min
- Issued by
- NWS Marquette, MI
- Area
- Whole counties
County Marquette County, MI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 16, 6:15 PM EDT | Hail 1.5 | Marquette, MI | |
| Aug 16, 7:00 PM EDT | Thunderstorm Wind 0 | Marquette, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.0 hours before the alert went out and 246 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
- 3414 J/kg
- Mixed-layer CIN
- -192 J/kg
- Mixed-layer LCL
- 1090 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
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, Aug 16, 4:45 PM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MARQUETTE MI 445 PM EDT TUE AUG 16 1988 ...SEVERE THUNDERSTORM WATCH 392 IN EFFECT UNTIL 10 PM EDT FOR MOST OF UPPER MICHIGAN AND THE ADJOINING WATERS OF LAKE SUPERIOR... AT 434 PM EDT...AN AREA OF THUNDERSTORMS SOME WITH VERY HEAVY RAIN WAS LOCATED IN WESTERN UPPER MICHIGAN AND OUT OVER LAKE SUPERIOR. THE THUNDERSTORMS EXTENDED WEST OF A LINE FROM COPPER HARBOR TO IRON RIVER AND OUT INTO LAKE SUPERIOR. THE HEAVIEST RAINS WERE FALLING AROUND LANSE. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR. DL
The office that day
Everything else NWS Marquette, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 4:34 AM EDT | Severe Thunderstorm Warning | MQT | Alger, Schoolcraft | 56 min |
| Aug 16, 4:58 AM EDT | Severe Thunderstorm Warning | MQT | Marquette | 62 min |
| Aug 16, 7:44 AM EDT | Severe Thunderstorm Warning | MQT | Houghton, Keweenaw | 61 min |
| Aug 16, 9:07 AM EDT | Severe Thunderstorm Warning | MQT | Marquette | 68 min |
| Aug 16, 10:05 AM EDT | Severe Thunderstorm Warning | MQT | Schoolcraft | 55 min |
| Aug 16, 5:35 PM EDT | Severe Thunderstorm Warning | MQT | Baraga, Marquette | 55 min |
| Aug 16, 6:58 PM EDT | Tornado Warning | MQT | Marquette | 47 min |
| Aug 16, 7:17 PM EDT | Severe Thunderstorm Warning | MQT | Dickinson | 58 min |
| Aug 16, 7:49 PM EDT | Severe Thunderstorm Warning | MQT | Alger, Delta, Marquette | 56 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 1988Every severe thunderstorm warning in 1988
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.