Marine Thunderstorm Wind, Lake St Clair (U.S. Portion)
- When
- May 1, 6:30 AM EST
- Where
- Lake St Clair (U.S. Portion) forecast zone, 6.66 mi SW of New Baltimore
- Measured
- 35 kt (40 mph) measured gust
- Reported by
- ASOS
- Coordinates
- 42.610, -82.820
Marine Thunderstorm Wind in Lake St. Clair, May 1, 2010
A thunderstorm produced a measured 40 mph wind gust.
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
- 1
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 happened
The episode as NWS DTX wrote it up.
A thunderstorm produced a measured 40 mph wind gust.
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 May 1, 6:11 AM EST, 19 minutes earlier.
Area forecast discussion, May 1, 6:11 AM EST, 19 minutes before
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</html>Hazardous weather outlook, May 1, 3:24 AM EST, 3 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 424 AM EDT SAT MAY 1 2010 MIZ047>049-053>055-060>063-068>070-020830- MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER- ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB- 424 AM EDT SAT MAY 1 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MICHIGAN ALONG AND NORTH OF M 59. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED THIS MORNING. THESE STORMS ARE NOT EXPECTED TO BE SEVERE. THE STRONGEST STORMS WILL HOWEVER BE CAPABLE OF PRODUCING PEA SIZED HAIL...WIND GUSTS TO 40 MPH AND BRIEF HEAVY RAINFALL. STORMS WILL MOVE TO THE NORTHEAST AT 40 MPH. THESE STORMS WILL BE THE RESULT OF MOISTURE ADVECTION IN ADVANCE OF A WEAKENING COLD FRONT. THUNDERSTORMS ARE THEN LIKELY AFTER MIDNIGHT AS A LOW PRESSURE SYSTEM LIFTS INTO THE REGION FROM THE SOUTH. THESE STORMS WILL BE CAPABLE OF PRODUCE INTENSE RAINFALL AND PEA SIZED HAIL AS THEY MOVE TO THE NORTHEAST AT 25 MPH. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THUNDERSTORMS ARE LIKELY SUNDAY MORNING AS LOW PRESSURE TRACKS ACROSS THE REGION. THERE IS A CHANCE OF THUNDERSTORMS MONDAY AFTERNOON AND MONDAY NIGHT AS A COLD FRONT ADVANCES ACROSS THE REGION. THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY NIGHT THROUGH FRIDAY AS A SLOW MOVING STORM SYSTEM IS FORECAST TO PASS THROUGH THE GREAT LAKES REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. MIZ075-076-082-083-020830- WASHTENAW-WAYNE-LENAWEE-MONROE- 424 AM EDT SAT MAY 1 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST MICHIGAN ALONG AND SOUTH OF INTERSTATE 94. .DAY ONE...TODAY AND TONIGHT NUMEROUS THUNDERSTORMS ARE EXPECTED THIS MORNING. THESE STORMS ARE NOT EXPECTED TO BE SEVERE. THE STRONGEST STORMS WILL HOWEVER BE CAPABLE OF PRODUCING PEA SIZED HAIL...WIND GUSTS TO 40 MPH AND BRIEF HEAVY RAINFALL. STORMS WILL MOVE TO THE NORTHEAST AT 40 MPH. THESE STORMS WILL BE THE RESULT OF MOISTURE ADVECTION IN ADVANCE OF A WEAKENING COLD FRONT. THUNDERSTORMS ARE THEN LIKELY AFTER MIDNIGHT AS A LOW PRESSURE SYSTEM LIFTS INTO THE REGION FROM THE SOUTH. THESE STORMS WILL BE CAPABLE OF PRODUCING INTENSE RAINFALL...HALF INCH DIAMETER HAIL AND WIND GUSTS TO 40 MPH AS THEY TRACK TO THE NORTHEAST AT 25 MPH. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THUNDERSTORMS ARE LIKELY SUNDAY MORNING AS LOW PRESSURE TRACKS ACROSS THE REGION. THERE IS A SLIGHT CHANCE OF SEVERE WEATHER WITH THESE STORMS SUNDAY MORNING. THERE IS A CHANCE OF THUNDERSTORMS MONDAY AFTERNOON AND MONDAY NIGHT AS A COLD FRONT ADVANCES ACROSS THE REGION. THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY NIGHT THROUGH FRIDAY AS A SLOW MOVING STORM SYSTEM IS FORECAST TO PASS THROUGH THE GREAT LAKES REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. LCZ422-423-460-LEZ444-LHZ361>363-421-422-441>443-462>464-020830- ST. CLAIR RIVER-DETROIT RIVER-LAKE ST. CLAIR- MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI- LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT BEYOND 5 NM OFF SHORE- LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM OFF SHORE- LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE- OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI- PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI- PORT SANILAC TO PORT HURON MI- LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE- LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE- LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE- 424 AM EDT SAT MAY 1 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE HURON AND LAKE ST CLAIR. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED THIS MORNING. THESE STORMS ARE NOT EXPECTED TO BE SEVERE. THE STRONGEST STORMS WILL HOWEVER BE CAPABLE OF PRODUCING PEA SIZED HAIL...WIND GUSTS TO 40 MPH AND BRIEF HEAVY RAINFALL. STORMS WILL MOVE TO THE NORTHEAST AT 40 MPH. THESE STORMS WILL BE THE RESULT OF MOISTURE ADVECTION IN ADVANCE OF A WEAKENING COLD FRONT. THUNDERSTORMS ARE THEN LIKELY AFTER MIDNIGHT AS A LOW PRESSURE SYSTEM LIFTS INTO THE REGION FROM THE SOUTH. THESE STORMS WILL BE CAPABLE OF PRODUCE INTENSE RAINFALL AND PEA SIZED HAIL AS THEY MOVE TO THE NORTHEAST AT 25 MPH. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THUNDERSTORMS ARE LIKELY SUNDAY MORNING AS LOW PRESSURE TRACKS ACROSS THE REGION. THERE IS A CHANCE OF THUNDERSTORMS MONDAY AFTERNOON AND MONDAY NIGHT AS A COLD FRONT ADVANCES ACROSS THE REGION. THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY NIGHT THROUGH FRIDAY AS A SLOW MOVING STORM SYSTEM IS FORECAST TO PASS THROUGH THE GREAT LAKES REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. SC YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).
In the hours before
Special weather statement, May 1, 4:24 AM EST, 2 hours 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 524 AM EDT SAT MAY 1 2010 MIZ075-082-011030- LENAWEE-WASHTENAW- 524 AM EDT SAT MAY 1 2010 ...SPECIAL WEATHER STATEMENT... AT 520 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 22 MILES NORTHWEST OF CHELSEA TO 15 MILES WEST OF MANCHESTER TO 11 MILES SOUTHWEST OF HUDSON...MOVING NORTHEAST AT 45 MPH. ONE HALF INCH DIAMETER HAIL...WINDS GREATER THAN 30 MPH...AND FREQUENT LIGHTNING ARE POSSIBLE WITH THESE STORMS. * THUNDERSTORMS WILL BE NEAR... MORENCI AND HUDSON BY 530 AM EDT... ONSTED AND CLAYTON BY 540 AM EDT... CHELSEA BY 545 AM EDT... MANCHESTER AND ADRIAN BY 550 AM EDT... BLISSFIELD BY 555 AM EDT... DEERFIELD AND TECUMSEH BY 600 AM EDT... BRITTON AND CLINTON BY 605 AM EDT... GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED.
Special weather statement, May 1, 5:08 AM EST, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 608 AM EDT SAT MAY 1 2010 MIZ075-076-082-083-011115- LENAWEE-MONROE-WASHTENAW-WAYNE- 608 AM EDT SAT MAY 1 2010 ...SIGNIFICANT WEATHER ADVISORY... AT 604 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM MANCHESTER TO 23 MILES SOUTH OF BLISSFIELD...MOVING NORTHEAST AT 45 MPH. PEA SIZE HAIL...WINDS GREATER THAN 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THESE STORMS. * THUNDERSTORMS WILL BE NEAR... SALINE AND PETERSBURG BY 620 AM EDT... ANN ARBOR AND TEMPERANCE BY 625 AM EDT... YPSILANTI AND IDA BY 630 AM EDT... WILLIS AND MAYBEE BY 635 AM EDT... BELLEVILLE AND MONROE BY 640 AM EDT... CARLETON BY 645 AM EDT... GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED.
The radar
The Detroit radar (KDTX), 54 km away, was scanning. The volume nearest the first event began at 11:30 UTC.
Event by event
1 marine thunderstorm wind. Local standard time, as filed.
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
- Tornadoes and Flash Flooding in Tennessee, May 1 to 4, 2010
- Tornadoes and Flash Flooding in Mississippi, May 1 to 2, 2010
- Tornadoes and Flash Flooding in Tennessee, May 1 to 15, 2010
- Tornado and Flash Flooding in Kentucky, May 1 to 16, 2010
- Tornadoes and Flash Flooding in Arkansas, May 1 to 2, 2010
- Tornadoes and Flash Flooding in Kentucky, May 1 to 3, 2010
- Lightning Strikes in Indiana, May 1, 2010
- Tornadoes and Flash Flooding in Arkansas, May 1, 2010
- Flash Flooding and Hail in Mississippi, May 1 to 2, 2010
- Flooding in West Virginia, May 1 to 3, 2010
- Hail and Damaging Winds in Texas, May 1, 2010
- Tornado and Damaging Winds in Kentucky, May 1, 2010
More
Every storm in Lake St. Clair in 2010Every state in 2010This 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 2026-09-30. Each event’s entry at NCEI: 229216.