####018001393####
WHUS53 KLOT 201917

SMWLOT

LMZ740-777-202045-

/O.NEW.KLOT.MA.W.0024.240520T1917Z-240520T2045Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Chicago/Romeoville

217 PM CDT Mon May 20 2024



The National Weather Service in Chicago has issued a



* Special Marine Warning for...



  Nearshore Waters from Winthrop Harbor to Wilmette Harbor...

  Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid

Lake...



* Until 345 PM CDT.



* At 216 PM CDT, a severe thunderstorm was located 12 nm northeast of

  Elgin, or 15 nm southwest of Waukegan Harbor, moving northeast at

  40 knots.



  HAZARD...Wind gusts 34 knots or greater and large hail.



  SOURCE...Radar.



  IMPACT...Small craft could be damaged in briefly higher winds and 

           suddenly higher waves. Large hail could result in 

           structural damage.



* Locations impacted include...

  Winthrop Harbor and Waukegan Harbor.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Move to safe harbor until hazardous weather passes.



&&



LAT...LON 4246 8702 4228 8699 4211 8771 4211 8773

      4221 8780 4229 8783 4231 8782 4233 8782

      4233 8783 4237 8783 4237 8782 4236 8782

      4239 8780 4248 8780

TIME...MOT...LOC 1916Z 225DEG 40KT 4217 8806 



HAIL...>.75IN

WIND...>34KTS



$$



Yack

####018001650####
WHUS53 KDTX 201917

SMWDTX

LCZ422-460-LHZ443-202115-

/O.NEW.KDTX.MA.W.0011.240520T1917Z-240520T2115Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Detroit/Pontiac MI

317 PM EDT Mon May 20 2024



The National Weather Service in Detroit/Pontiac has issued a



* Special Marine Warning for...

  Lake St. Clair Open Lake (U.S. Portion)...

  Port Sanilac to Port Huron MI...

  St. Clair River...



* Until 515 PM EDT.



* At 317 PM EDT, severe thunderstorms were located along a line

  extending from near Lakeport to 10 nm north of New Baltimore to 12

  nm northwest of Mt Clemens Harbor Of Refuge, moving east at 10

  knots.



  HAZARD...Wind gusts 34 knots or greater and large hail.



  SOURCE...Radar.



  IMPACT...Small craft could be damaged in briefly higher winds and 

           suddenly higher waves. Large hail could result in 

           structural damage.



* Severe thunderstorms will be near...

  Lakeport around 320 PM EDT.

  New Baltimore around 335 PM EDT.

  Port Huron around 340 PM EDT.

  St. Clair around 355 PM EDT.

  Algonac around 435 PM EDT.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Move to safe harbor until hazardous weather passes.



&&



LAT...LON 4289 8247 4276 8247 4261 8252 4255 8259

      4254 8266 4244 8276 4248 8291 4254 8291

      4259 8285 4266 8284 4272 8269 4270 8261

      4265 8259 4264 8256 4265 8255 4276 8251

      4289 8252 4300 8247 4312 8251 4312 8236

TIME...MOT...LOC 1917Z 279DEG 12KT 4314 8258 4286 8278 4271 8300 



HAIL...>.75IN

WIND...>34KTS



$$



KDK