Alert archive / Illinois / Beach Hazards Statements in 2021
Beach Hazards Statement 12, NWS Chicago, IL
NWS Chicago, IL issued this beach hazards statement at Aug 24, 2021, 6:13 PM CDT for Cook County, Lake County, Illinois; Lake County, Porter County, Indiana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 24, 2021, 6:13 PM CDT (23:13 UTC)
- Expired
- Aug 24, 2021, 10:00 PM CDT
- In force
- 4 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 23:14 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 12:00Z, 11.2 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
- 1513 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 1124 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
086 WHUS43 KLOT 242313 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 613 PM CDT Tue Aug 24 2021 ILZ006-103-104-INZ001-002-250300- /O.NEW.KLOT.BH.S.0012.210824T2313Z-210825T0300Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 613 PM CDT Tue Aug 24 2021 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 10 PM CDT THIS EVENING... * 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...Until 10 PM CDT 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...Waves of 3 to 6 feet due to strong onshore winds associated with thunderstorms will persist through the early evening. 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. && $$
1 follow-up statement
955 WHUS43 KLOT 250256 CFWLOT Coastal Hazard Message National Weather Service Chicago IL 956 PM CDT Tue Aug 24 2021 ILZ006-103-104-INZ001-002-250400- /O.EXP.KLOT.BH.S.0012.000000T0000Z-210825T0300Z/ Lake IL-Northern Cook-Central Cook-Lake IN-Porter- 956 PM CDT Tue Aug 24 2021 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM CDT THIS EVENING... Waves will continue to subside overnight. $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 3:19 AM CDT | Heat Advisory | LOT | Cook, DeKalb, Ford, Grundy, Iroquois, Kankakee and 6 more | 17 hr |
| Aug 24, 3:30 PM CDT | Special Marine Warning | LOT | 60 min | |
| Aug 24, 4:21 PM CDT | Special Weather Statement | LOT | Boone | 24 min |
| Aug 24, 4:33 PM CDT | Heat Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Livingston and 1 more | 26 hr |
| Aug 24, 4:58 PM CDT | Areal Flood Advisory | LOT | Boone, Lake, McHenry | 3 hr |
| Aug 24, 5:13 PM CDT | Special Weather Statement | LOT | DuPage | 32 min |
| Aug 24, 5:26 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Lee, Ogle, Winnebago | 64 min |
| Aug 24, 5:28 PM CDT | Special Marine Warning | LOT | 92 min | |
| Aug 24, 5:40 PM CDT | Flash Flood Warning | LOT | Boone, McHenry | 4 hr |
| Aug 24, 6:09 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Kane, Lee, McHenry, Ogle | 66 min |
| Aug 24, 6:19 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Lake | 17 min |
| Aug 24, 6:36 PM CDT | Flash Flood Warning | LOT | Cook, DuPage, Lake | 3 hr |
| Aug 24, 6:54 PM CDT | Special Weather Statement | LOT | Kendall, LaSalle | 51 min |
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.