Alert archive / Illinois / Beach Hazards Statements in 2021
Beach Hazards Statement 5, NWS Chicago, IL
NWS Chicago, IL issued this beach hazards statement at Jun 30, 2021, 4:01 AM CDT for Cook County, Lake County, Illinois; Lake County, Porter County, Indiana. It took effect at Jul 1, 2021, 10:00 AM CDT. It was in force for 29 hr.
The area
The counties it named.
The facts
- Issued
- Jun 30, 2021, 4:01 AM CDT (09:01 UTC)
- In effect from
- Jul 1, 2021, 10:00 AM CDT
- Expired
- Jul 2, 2021, 2:46 PM CDT
- In force
- 29 hr
- Issued by
- NWS Chicago, IL
Counties Cook County, IL, Lake County, IL, Lake County, IN, Porter County, IN
The radar
The Chicago radar (KLOT), 54 km from the middle of the area, began a volume at 09:04 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 9.0 hours before the alert went out and 206 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
- 1000 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1133 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted.
586 WHUS43 KLOT 300901 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 401 AM CDT Wed Jun 30 2021 ILZ006-103-104-INZ001-002-301715- /O.NEW.KLOT.BH.S.0005.210701T1800Z-210703T0900Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 401 AM CDT Wed Jun 30 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake IN and Porter Counties. In Illinois, Lake IL, Northern Cook and Central Cook Counties. * WHEN...From Thursday afternoon through late Friday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. * ADDITIONAL DETAILS...Wave heights of 5 to 8 feet. Stay dry when waves are high! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
10 follow-up statements
077 WHUS43 KLOT 301601 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 1101 AM CDT Wed Jun 30 2021 ILZ006-103-104-INZ001-002-010015- /O.CON.KLOT.BH.S.0005.210701T1800Z-210703T0900Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 1101 AM CDT Wed Jun 30 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake IN and Porter Counties. In Illinois, Lake IL, Northern Cook and Central Cook Counties. * WHEN...From Thursday afternoon through late Friday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Wave heights of 5 to 8 feet are expected. Stay dry when waves are high! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ Petr
184 WHUS43 KLOT 302103 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 403 PM CDT Wed Jun 30 2021 ILZ006-103-104-INZ001-002-010515- /O.CON.KLOT.BH.S.0005.210701T1800Z-210703T0900Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 403 PM CDT Wed Jun 30 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake IN and Porter Counties. In Illinois, Lake IL, Northern Cook and Central Cook Counties. * WHEN...From Thursday afternoon through late Friday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Wave heights of up to 4 to 8 feet are expected. Stay dry when waves are high!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
276 WHUS43 KLOT 010242 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 942 PM CDT Wed Jun 30 2021 ILZ006-103-104-INZ001-002-011045- /O.CON.KLOT.BH.S.0005.210701T1800Z-210703T0900Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 942 PM CDT Wed Jun 30 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter Counties. In Illinois, Lake, Northern Cook and Central Cook Counties. * WHEN...From Thursday afternoon through late Friday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Wave heights of up to 4 to 8 feet are expected. Stay dry when waves are high!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
168 WHUS43 KLOT 010856 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 356 AM CDT Thu Jul 1 2021 ILZ006-103-104-INZ001-002-011700- /O.CON.KLOT.BH.S.0005.210701T1800Z-210703T0900Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 356 AM CDT Thu Jul 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter Counties. In Illinois, Lake, Northern Cook and Central Cook Counties. * WHEN...From Thursday afternoon through late Friday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Wave heights of up to 4 to 8 feet are expected. Stay dry when waves are high!. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
499 WHUS43 KLOT 011459 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 959 AM CDT Thu Jul 1 2021 ILZ006-103-104-INZ001-002-012300- /O.EXT.KLOT.BH.S.0005.210701T1500Z-210703T0900Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 959 AM CDT Thu Jul 1 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter Counties. In Illinois, Lake, Northern Cook and Central Cook Counties. * WHEN...Through late Friday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Wave heights of up to 4 to 8 feet are expected. Stay dry when waves are high! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ Petr
228 WHUS43 KLOT 012031 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 331 PM CDT Thu Jul 1 2021 ILZ006-103-104-INZ001-002-020445- /O.CON.KLOT.BH.S.0005.000000T0000Z-210703T0900Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 331 PM CDT Thu Jul 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter Counties. In Illinois, Lake, Northern Cook, and Central Cook Counties. * WHEN...Through late Friday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Wave heights of up to 4 to 8 feet are expected. Stay dry when waves are high! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
062 WHUS43 KLOT 020301 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 1001 PM CDT Thu Jul 1 2021 ILZ006-103-104-INZ001-002-021115- /O.CON.KLOT.BH.S.0005.000000T0000Z-210703T0900Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 1001 PM CDT Thu Jul 1 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE FRIDAY NIGHT... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...In Indiana, Lake and Porter Counties. In Illinois, Lake, Northern Cook, and Central Cook Counties. * WHEN...Through late Friday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Wave heights of up to 4 to 8 feet are occurring. Stay dry when waves are high! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
558 WHUS43 KLOT 020759 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 259 AM CDT Fri Jul 2 2021 INZ001-002-021700- /O.EXT.KLOT.BH.S.0005.000000T0000Z-210703T0300Z/ Lake IN-Porter- 259 AM CDT Fri Jul 2 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN and Porter Counties. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. * ADDITIONAL DETAILS...Wave heights of up to 4 to 7 feet are occurring. Stay dry when waves are high! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-103-104-021700- /O.EXT.KLOT.BH.S.0005.000000T0000Z-210703T0000Z/ Lake IL-Northern Cook-Central Cook- 259 AM CDT Fri Jul 2 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL and Northern and Central Cook Counties. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Wave heights of up to 4 to 7 feet are occurring. Stay dry when waves are high! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
121 WHUS43 KLOT 021756 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 1256 PM CDT Fri Jul 2 2021 INZ001-002-030200- /O.CON.KLOT.BH.S.0005.000000T0000Z-210703T0300Z/ Lake IN-Porter- 1256 PM CDT Fri Jul 2 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN and Porter Counties. * WHEN...Through early evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. * ADDITIONAL DETAILS...Wave heights of 2 to 5 feet are occurring. Stay dry when waves are high! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$ ILZ006-103-104-030000- /O.CON.KLOT.BH.S.0005.000000T0000Z-210703T0000Z/ Lake IL-Northern Cook-Central Cook- 1256 PM CDT Fri Jul 2 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL and Northern and Central Cook Counties. * WHEN...Through this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www.cpdbeaches.com. * ADDITIONAL DETAILS...Wave heights of 2 to 5 feet are occurring. Stay dry when waves are high! PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. && $$
395 WHUS43 KLOT 021946 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 246 PM CDT Fri Jul 2 2021 INZ001-002-022100- /O.CAN.KLOT.BH.S.0005.000000T0000Z-210703T0300Z/ Lake IN-Porter- 246 PM CDT Fri Jul 2 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Waves of 2 to 4 feet will continue a moderate swim risk into early evening. Please continue to use caution if at the lakefront. $$ ILZ006-103-104-022100- /O.CAN.KLOT.BH.S.0005.000000T0000Z-210703T0000Z/ Lake IL-Northern Cook-Central Cook- 246 PM CDT Fri Jul 2 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Waves of 2 to 4 feet will continue a moderate swim risk into early evening. Please continue to use caution if at the lakefront. $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:24 PM CDT | River Flood Warning | LOT | Grundy, LaSalle | 25 hr |
| Jun 29, 8:05 PM CDT | Special Weather Statement | LOT | Cook | 40 min |
| Jun 29, 9:05 PM CDT | Special Marine Warning | LOT | 37 min | |
| Jun 30, 4:09 AM CDT | Small Craft Advisory | LOT | 59 hr | |
| Jun 30, 10:40 AM CDT | Areal Flood Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Livingston and 1 more | 4 hr |
| Jun 30, 12:31 PM CDT | Areal Flood Advisory | LOT | Ford, Iroquois, Kankakee, Livingston | 119 min |
| Jun 30, 3:54 PM CDT | Areal Flood Advisory | LOT | Cook, Grundy, Kendall, Will | 3 hr |
| Jun 30, 4:48 PM CDT | River Flood Advisory | LOT | Cook | 3 hr |
| Jun 30, 5:32 AM CDT | River Flood Warning | LOT | Newton | 5 days |
| Jun 30, 11:02 AM CDT | River Flood Warning | LOT | Jasper | 53 hr |
Nearby
Beach Hazards Statements in Illinois, 2021Beach Hazards Statements in Indiana, 2021Every beach hazards statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.