Alert archive / Michigan / Winter Storm Watches in 2017
Winter Storm Watch 3, NWS Northern Indiana
NWS Northern Indiana issued this winter storm watch at Dec 29, 2017, 3:53 PM EST for Cass County, Michigan. It took effect at Dec 30, 2017, 10:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 29, 2017, 3:53 PM EST (20:53 UTC)
- In effect from
- Dec 30, 2017, 10:00 PM EST
- Expired
- Dec 30, 2017, 4:11 AM EST
- In force
- Issued by
- NWS Northern Indiana
County Cass County, MI
The radar
The Northern Indiana radar (KIWX), 66 km from the middle of the area, began a volume at 20:51 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.9 hours before the alert went out and 332 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
- 719 m above ground
- 0-6 km bulk shear
- 116 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Northern Indiana wrote its last area forecast discussion before this winter storm watch went out at Dec 29, 3:44 PM EST, 9 minutes earlier.
Area forecast discussion, Dec 29, 3:44 PM EST, 9 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, Dec 29, 11:03 AM EST, 4 hours 50 minutes before
Hazardous Weather Outlook National Weather Service Northern Indiana 1103 AM EST Fri Dec 29 2017 INZ005>009-012>018-020-022>027-032>034-MIZ079>081-OHZ001-002-004-005- 015-016-024-025-301615- Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall- Fulton IN-Kosciusko-Whitley-Allen IN-White-Cass IN-Miami-Wabash- Huntington-Wells-Adams-Grant-Blackford-Jay-St. Joseph MI-Branch- Hillsdale-Williams-Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert- Allen OH- 1103 AM EST Fri Dec 29 2017 /1003 AM CST Fri Dec 29 2017/ This hazardous weather outlook is for portions of northern Indiana... southwest Michigan and northwest Ohio. .DAY ONE...Today and Tonight Snow is expected today with accumulations generally between 1 and 4 inches by later this evening. Please see the Winter Weather Advisory product from this office for more information. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Bitterly cold temperatures will return this weekend and continue through much of next week. The cold air will be accompanied by periodic lake effect snow. Substantial lake effect snow accumulations are possible for the Saturday night through Monday period for southwest Lower Michigan and far northern Indiana, and then again by the middle of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. && Stay tuned to NOAA Weather Radio for further details or updates...or check our web site at weather.gov/iwx INZ003-004-MIZ077-078-301615- La Porte-St. Joseph IN-Berrien-Cass MI- 1103 AM EST Fri Dec 29 2017 /1003 AM CST Fri Dec 29 2017/ This hazardous weather outlook is for portions of southwest Michigan and northern Indiana. .DAY ONE...Today and Tonight Snow is expected today with additional lake effect snow showers later tonight into Saturday. Storm total snowfall amounts of 3 to 6 inches are possible by Saturday afternoon. Please see the Winter Weather Advisory product from this office for more information. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Lingering lake effect snow showers and increasing northwest winds will continue to pose some hazardous travel conditions at least into Saturday morning. Bitterly cold temperatures will return this weekend and continue through much of next week. The cold air will be accompanied by periodic lake effect snow. Substantial lake effect snow accumulations are possible for the Saturday night through Monday period for southwest Lower Michigan and far northern Indiana, and then again by the middle of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. && Stay tuned to NOAA Weather Radio for further details or updates...or check our web site at weather.gov/iwx LMZ043-046-301615- New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI- 1103 AM EST Fri Dec 29 2017 This hazardous weather outlook is for portions of The Nearshore Waters of Southeastern Lake Michigan. .DAY ONE...Today and Tonight Conditions hazardous for small craft will continue through tonight. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Conditions hazardous to small craft are likely Saturday and periodically through this upcoming week. Gale force winds are also possible Saturday. && Stay tuned to NOAA Weather Radio for further details or updates...or check our web site at weather.gov/iwx
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 3:54 AM EST | Winter Weather Advisory | IWX | Adams, Allen, Blackford, Cass, Elkhart, Fulton and 11 more | 23 hr |
Nearby
Winter Storm Watches in Michigan, 2017Winter Storm Watches in Indiana, 2017Every winter storm watch in 2017
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.