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Home Return to list Severe Thunderstorm Warning 0049 Issued by the Detroit / Pontiac Forecast Office
Action: New Issued At: 2026-05-19 14:14:57
872
WUUS53 KDTX 191914
SVRDTX
MIC147-192030-
/O.NEW.KDTX.SV.W.0049.260519T1914Z-260519T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Detroit/Pontiac MI
314 PM EDT Tue May 19 2026
The National Weather Service in Detroit/Pontiac has issued a
* Severe Thunderstorm Warning for...
St. Clair County in southeastern Michigan...
* Until 430 PM EDT.
* At 313 PM EDT, severe thunderstorms were located along a line
extending from near Memphis to Macomb Township to near Rochester,
moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near...
Richmond and Marysville around 320 PM EDT.
Port Huron and New Baltimore around 325 PM EDT.
St. Clair around 330 PM EDT.
Marine City around 340 PM EDT.
Other locations impacted by these severe thunderstorms include
Anchorville, North Street, Adair, Rattle Run, Goodells, Smiths Creek,
Fair Haven, Wadhams, Riley Center, and Fort Gratiot.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4296 8242 4289 8247 4281 8248 4276 8247
4267 8251 4263 8251 4255 8259 4256 8264
4250 8270 4254 8275 4263 8273 4267 8275
4268 8271 4273 8273 4289 8274 4289 8298
4291 8298 4316 8264 4317 8247 4305 8242
TIME...MOT...LOC 1913Z 256DEG 40KT 4291 8267 4269 8292 4263 8309
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
BT
Action: Continued Issued At: 2026-05-19 14:33:57
245
WWUS53 KDTX 191933
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
333 PM EDT Tue May 19 2026
MIC147-192030-
/O.CON.KDTX.SV.W.0049.000000T0000Z-260519T2030Z/
St. Clair MI-
333 PM EDT Tue May 19 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR ST. CLAIR COUNTY...
At 333 PM EDT, severe thunderstorms were located along a line
extending from near Port Huron to 7 miles southeast of Memphis to
near Richmond, moving northeast at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
These severe storms will be near...
Port Huron, St. Clair, and Marysville around 340 PM EDT.
Other locations impacted by these severe thunderstorms include
Anchorville, North Street, Adair, Rattle Run, Goodells, Smiths Creek,
Fair Haven, Wadhams, Riley Center, and Fort Gratiot.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4296 8242 4289 8247 4281 8248 4276 8247
4267 8251 4263 8251 4255 8259 4256 8264
4250 8270 4254 8275 4263 8273 4267 8275
4268 8271 4273 8273 4289 8274 4289 8298
4291 8298 4316 8264 4317 8247 4305 8242
TIME...MOT...LOC 1933Z 244DEG 42KT 4300 8252 4282 8266 4275 8277
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KGK
Action: Continued Issued At: 2026-05-19 14:53:58
684
WWUS53 KDTX 191953
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
353 PM EDT Tue May 19 2026
MIC147-192030-
/O.CON.KDTX.SV.W.0049.000000T0000Z-260519T2030Z/
St. Clair MI-
353 PM EDT Tue May 19 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR ST. CLAIR COUNTY...
At 353 PM EDT, severe thunderstorms were located along a line
extending from near Lakeport to St. Clair to near Richmond, moving
northeast at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Port Huron, New Baltimore, Richmond, St. Clair, Algonac, Lakeport,
Marysville, Marine City, Memphis, Emmett, Harsens Island, Blaine,
Columbus, Anchorville, North Street, Fort Gratiot, Avoca, Fargo,
Berville, and Ruby.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4289 8247 4281 8248 4276 8247 4267 8251
4263 8251 4255 8259 4256 8264 4250 8270
4254 8275 4262 8273 4267 8275 4268 8271
4273 8273 4289 8274 4289 8298 4291 8298
4316 8264 4317 8248 4305 8242 4296 8242
TIME...MOT...LOC 1953Z 244DEG 40KT 4315 8254 4285 8250 4276 8278
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KGK
Action: Continued Issued At: 2026-05-19 15:06:29
078
WWUS53 KDTX 192006
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
406 PM EDT Tue May 19 2026
MIC147-192030-
/O.CON.KDTX.SV.W.0049.000000T0000Z-260519T2030Z/
St. Clair MI-
406 PM EDT Tue May 19 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR EASTERN ST. CLAIR COUNTY...
At 406 PM EDT, severe thunderstorms were located along a line
extending from near Marysville to 6 miles east of Richmond to near
New Baltimore, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Port Huron, New Baltimore, Richmond, St. Clair, Algonac, Lakeport,
Marysville, Marine City, Memphis, Harsens Island, Columbus,
Anchorville, North Street, Adair, Rattle Run, Goodells, Smiths Creek,
Fair Haven, Wadhams, and Fort Gratiot.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4289 8247 4281 8248 4276 8247 4267 8251
4263 8251 4255 8259 4256 8264 4253 8268
4260 8272 4267 8266 4266 8272 4268 8271
4273 8273 4289 8274 4290 8282 4317 8248
4305 8242 4296 8242
TIME...MOT...LOC 2006Z 249DEG 35KT 4289 8252 4279 8263 4270 8281
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KGK
Action: Continued Issued At: 2026-05-19 15:25:30
594
WWUS53 KDTX 192024
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
424 PM EDT Tue May 19 2026
MIC147-192030-
/O.CON.KDTX.SV.W.0049.000000T0000Z-260519T2030Z/
St. Clair MI-
424 PM EDT Tue May 19 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR SOUTHEASTERN ST. CLAIR COUNTY...
At 424 PM EDT, severe thunderstorms were located along a line
extending from St. Clair to near Marine City to near New Baltimore,
moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
New Baltimore, St. Clair, Algonac, Marysville, Marine City, Harsens
Island, Anchorville, Adair, Rattle Run, Pearl Beach, and Fair Haven.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4293 8246 4289 8247 4281 8248 4276 8247
4267 8251 4263 8251 4255 8259 4256 8264
4253 8268 4260 8272 4267 8266 4266 8272
4268 8271 4273 8273 4280 8273 4296 8243
TIME...MOT...LOC 2024Z 269DEG 32KT 4281 8252 4273 8256 4264 8270
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KGK
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