Marine Thunderstorm Wind, Lake St Clair (U.S. Portion)
- When
- July 28, 12:42 PM EST
- Where
- Lake St Clair (U.S. Portion) marine zone, 5 mi NW of New Baltimore
- Measured
- 60 kt (69 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.733, -82.800
Marine Thunderstorm Winds in Lake St. Clair, July 28, 2002
2 marine thunderstorm wind, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, 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 the first event at Jul 28, 9:20 AM EST, 3 hours 22 minutes earlier.
Area forecast discussion, Jul 28, 9:20 AM EST, 3 hours 22 minutes before
SOUTHEAST MICHIGAN AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1020 AM EDT SUN JUL 28 2002 THUNDERSTORMS DEVELOPING THIS MORNING ACROSS NORTHERN INDIANA... NORTHWESTERN OHIO AND INTO LAKE ERIE. THIS IS A REGION OF HIGH THETA-E AIR...AND ALSO MOST LIKELY WHERE THE OUTFLOW BOUNDARY FROM LAST NIGHTS CONVECTION HAS SET UP (NO REAL INDICATION IN THE SURFACE OBS...BUT VISIBLE IMAGE DID INDICATE SOME BOUNDARY HERE). APPEARS TO BE AN ADDITIONAL BOUNDARY ACROSS NORTHERN LOWER AND INTO CENTRAL LOWER. GAYLORD...HTL...AND MT PLEASANT ALL HAVE THE WEST WIND...WHILE WINDS ARE ALMOST SOUTHERLY TO THE EAST. VISIBLE IMAGE ALSO PICKS UP ON THIS BOUNDARY TOO. OTHER WEAK FORCING FEATURES ARE INDICATED ON THE RUC AND MESO ETA AS THERE WILL BE A WEAK 50H SHORTWAVE MOVING ACROSS LOWER MICHIGAN. 12Z DTX SOUNDING STILL HAS DECENT WIND FLOW WITH 50 KTS AT 500 MB. ALSO WITH UPPER 80S AND 70 TO 75 DEW POINTS THERE IS NO CAP AND CAPES REACH 2500 TO 3500 J/KG. EXPECT TCU...SHOWERS AND THUNDERSTORMS TO DEVELOP AROUND THESE WEAK FORCING FEATURES THROUGH THE AFTERNOON. WILL STILL CARRY A SLIGHT CHANCE OF SEVERE STORMS GIVEN THE HIGH CAPES AND STRONG WIND FIELD. HOWEVER...EXPECT THE SEVERE CHANCES COULD DIMINISH AFTER THIS EVENING FOR THE OVERNIGHT HOURS AS THE WIND FIELD WEAKENS SLIGHTLY...AND ANY EXPECT MCS TO OUR WEST SHOULD NOT MOVE IN UNTIL MONDAY MORNING AT THE EARLIEST. WITH ALL OF THE EXPECTED CU TO DEVELOP...AND THEN SCATTERED SHOWERS AND STORMS...TEMPS WILL BE HELD IN CHECK. WILL LOWER TEMPS JUST A BIT...MORE LIKE NEAR 90 INSTEAD OF THE LOWER 90S. WITH THE LOWER TEMPS...A HEAT ADVISORY WILL NOT BE NEEDED. .DTX...NONE. RBP
In the hours before
Special weather statement, Jul 28, 10:12 AM EST, 2 hours 30 minutes before
MIZ047>049-053>055-060>063-068>070-075-076-082-083-290400- HAZARDOUS WEATHER OUTLOOK FOR SOUTHEAST MICHIGAN NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1112 AM EDT SUN JUL 28 2002 DISPATCHERS...PLEASE NOTIFY YOUR EMERGENCY MANAGERS IMMEDIATELY. HAZARDS... THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS DURING THE AFTERNOON AND EVENING OVER ALL OF SOUTHEAST MICHIGAN...BUT MAINLY SOUTH OF HIGHWAY M 59. DAMAGING WIND WILL BE THE MAIN CONCERN... WITH THE STRONGEST STORMS CAPABLE OF WIND GUSTS UP TO 60 MPH. DISCUSSION... A MOIST AND UNSTABLE AIR MASS WILL RESIDE OVER SOUTHEAST MICHIGAN THIS AFTERNOON AND TONIGHT. THERE ARE ALSO WEAK SURFACE BOUNDARIES ACROSS PORTION OF THE SOUTHERN GREAT LAKES REGION. THESE FEATURES WILL COMBINE TO GENERATE THUNDERSTORMS ACROSS SOUTHEAST LOWER MICHIGAN. THE STORMS WILL DEVELOP JUST ABOUT ANY TIME THIS AFTERNOON AND EVENING ACROSS SOUTHEAST LOWER MICHIGAN. THERE IS A SLIGHT CHANCE THAT THESE THUNDERSTORMS COULD BECOME SEVERE...BUT ANY SEVERE STORM NORTH OF M 59 SHOULD BE ISOLATED. THE THUNDERSTORMS WILL MOVE EAST AROUND 35 MPH. THE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS UP TO 60 MPH...HAIL UP TO A HALF INCH IN DIAMETER...AND BRIEF HEAVY RAINFALL. A CHANCE OF THUNDERSTORMS WILL CONTINUE OVERNIGHT...BUT THE THREAT OF SEVERE WEATHER WILL END WITH THE LOSS OF DAYTIME HEATING THIS EVENING. SPOTTER ACTIVATION... SPOTTER ACTIVATION MAY BE THIS AFTERNOON AND EVENING. OUTLOOK FOR MONDAY AND TUESDAY... THE BEST CHANCE OF SEVERE STORMS WILL BE DURING MONDAY AFTERNOON. DAMAGING WINDS WILL AGAIN BE THE MAIN HAZARD. NO HAZARDOUS WEATHER IS EXPECTED ON TUESDAY. STAY TUNED TO NOAA WEATHER RADIO... OR LOCAL MEDIA OUTLETS... FOR THE LATEST FORECAST INFORMATION FROM THE NATIONAL WEATHER SERVICE. YOU CAN ALSO OBTAIN THE LATEST FORECAST ON THE NATIONAL WEATHER SERVICE WEB SITE. HTTP://WWW.CRH.NOAA.GOV/DTX/ (ALL LOWER CASE) RBP
The radar
The Detroit radar (KDTX), 55 km away, was scanning. The volume nearest the first event began at 17:39 UTC.
Event by event
2 marine thunderstorm wind. Local standard time, as filed.
Marine Thunderstorm Wind, St Clair River
- When
- July 28, 1:27 PM EST
- Where
- St Clair River marine zone, 2 mi N of Algonac
- Measured
- 52 kt (60 mph)
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.650, -82.533
What these are
- Marine Thunderstorm Wind
- Thunderstorm winds of 34 knots or more over coastal or lake waters.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Maryland, July 28 to 29, 2002
- Heat in Pennsylvania, July 28 to 30, 2002
- Heat in Maryland, July 28 to 30, 2002
- Tornado in New York, July 28, 2002
- Damaging Wind in South Dakota, July 28, 2002
- Hail and Damaging Winds in Kansas, July 28, 2002
- Hail in South Dakota, July 28, 2002
- Damaging Wind in New York, July 28, 2002
- Hail and Damaging Wind in South Dakota, July 28, 2002
- Damaging Winds in Ohio, July 28, 2002
- Tornado and Hail in Michigan, July 28, 2002
- Hail and Damaging Winds in New York, July 28, 2002
More
Every storm in Lake St. Clair in 2002Every state in 2002This day in weather history
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 5303977, 5303976.