Alert archive / Illinois / Wind Advisories in 2020
Wind Advisory 1, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Jan 9, 2020, 3:20 AM CST for 6 counties in Illinois; Benton County, Jasper County, Newton County, Indiana. It took effect at Jan 9, 2020, 10:00 AM CST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 9, 2020, 3:20 AM CST (09:20 UTC)
- In effect from
- Jan 9, 2020, 10:00 AM CST
- Expired
- Jan 9, 2020, 6:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Chicago, IL
Counties Ford County, IL, Grundy County, IL, Iroquois County, IL, Kankakee County, IL, LaSalle County, IL, Livingston County, IL, Benton County, IN, Jasper County, IN, Newton County, IN
The radar
The Chicago radar (KLOT), 73 km from the middle of the area, began a volume at 09:22 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, 9.3 hours before the alert went out and 105 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2143 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 377 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before this wind advisory went out at Jan 8, 11:48 PM CST, 3 hours 32 minutes earlier.
Area forecast discussion, Jan 8, 11:48 PM CST, 3 hours 32 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Jan 8, 3:37 PM CST, 11 hours 43 minutes before
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 337 PM CST Wed Jan 8 2020 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 092145- Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-Cook- La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- Lake IN-Porter-Newton-Jasper-Benton- 337 PM CST Wed Jan 8 2020 /437 PM EST Wed Jan 8 2020/ This Hazardous Weather Outlook is for portions of North Central Illinois...Northeast Illinois and Northwest Indiana. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thursday... Limited Non Thunderstorm Wind Risk. Limited Ice Accumulation Risk. Friday Night... Limited Flooding Risk. Limited Non Thunderstorm Wind Risk. Elevated Ice Accumulation Risk. Limited Snow and sleet Risk. Elevated Lakeshore Flood Risk. Saturday... Elevated Non Thunderstorm Wind Risk. Elevated Ice Accumulation Risk. Significant Snow and Sleet Risk. Elevated Lakeshore Flood Risk. DISCUSSION: There is increasing potential for a storm system to impact the region late Friday through Saturday night and possible through Sunday morning. At this time, notable ice accumulation is a possibility across portions of north central and far northeastern Illinois late Friday night and Saturday morning. Accumulating snow is also possible for the area Saturday night. However, there is still a good deal of uncertainty with the track and strength of the storm system, which will ultimately influence snow and ice accumulations and what areas are affected. Strong southerly wind gusts of 35 to 40 mph, with sporadic gusts to 45 mph, are expected on Thursday. Winds are then forecast to become northerly which will build waves, bringing a risk for lakeshore flooding late Friday night through Saturday night. Finally, waves of moderate to occasionally heavy rainfall may result in a risk for flooding for locales roughly south and east of I-55. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. LMZ740>745-092145- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 337 PM CST Wed Jan 8 2020 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Hazardous conditions for small craft. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thursday... Hazardous conditions for small craft are likely. Friday and Saturday... Gale force winds and or very hazardous waves are likely. Sunday... Hazardous conditions for small craft are likely. KJB Visit us at http://weather.gov/chicago Follow us on Facebook, Twitter, and Youtube at: www.facebook.com/nwschicago www.twitter.com/nwschicago www.youtube.com/nwschicago
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 9, 3:39 AM CST | Flood Watch | LOT | DuPage, Ford, Grundy, Iroquois, Kankakee, Kendall and 1 more | 55 hr |
| Jan 9, 3:54 AM CST | Lakeshore Flood Watch | LOT | Lake | 17 hr |
| Jan 9, 4:03 AM CST | Gale Warning | LOT | 23 hr | |
| Jan 9, 10:58 AM CST | River Flood Warning | LOT | Kankakee | 4 days |
| Jan 9, 10:58 AM CST | River Flood Warning | LOT | Grundy, Kankakee, Will | 70 hr |
| Jan 9, 11:06 AM CST | River Flood Warning | LOT | Iroquois | 7 days |
| Jan 9, 11:06 AM CST | River Flood Warning | LOT | Iroquois, Kankakee | 70 hr |
| Jan 9, 11:07 AM CST | River Flood Warning | LOT | Iroquois | 4 days |
| Jan 9, 11:15 AM CST | River Flood Watch | LOT | Grundy | 4 days |
| Jan 9, 11:15 AM CST | River Flood Watch | LOT | Livingston | 5 days |
| Jan 9, 11:15 AM CST | River Flood Watch | LOT | LaSalle | 6 days |
| Jan 9, 11:23 AM CST | River Flood Watch | LOT | Grundy | 21 days |
| Jan 9, 11:23 AM CST | River Flood Watch | LOT | LaSalle | 21 days |
| Jan 9, 11:23 AM CST | River Flood Watch | LOT | LaSalle | 21 days |
| Jan 9, 1:36 PM CST | Winter Storm Watch | LOT | Boone, DeKalb, DuPage, Kane, Kendall, Lake and 5 more | 22 hr |
| Jan 9, 2:48 PM CST | Gale Watch | LOT | 12 hr | |
| Jan 9, 9:57 AM CST | River Flood Watch | LOT | Lake | 33 hr |
| Jan 9, 10:58 AM CST | River Flood Warning | LOT | Porter | 21 days |
| Jan 9, 10:58 AM CST | River Flood Warning | LOT | Jasper, Porter | 7 days |
| Jan 9, 10:58 AM CST | River Flood Warning | LOT | Lake, Newton | 12 days |
| Jan 9, 11:06 AM CST | River Flood Warning | LOT | Jasper | 21 days |
| Jan 9, 11:06 AM CST | River Flood Warning | LOT | Newton | 21 days |
Nearby
Wind Advisories in Illinois, 2020Wind Advisories in Indiana, 2020Every wind advisory in 2020
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.