Alert archive / Wisconsin / Winter Storm Watches in 2011

Winter Storm Watch 5, NWS Green Bay, WI

November 7, 20117 counties in Wisconsin

NWS Green Bay, WI issued this winter storm watch at Nov 7, 2011, 3:01 PM CST for 7 counties in Wisconsin. It took effect at Nov 9, 2011, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 7, 2011, 3:01 PM CST (21:01 UTC)
In effect from
Nov 9, 2011, 12:00 AM CST
Expired
Nov 8, 2011, 3:31 PM CST
In force
Issued by
NWS Green Bay, WI

Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Oneida County, WI, Vilas County, WI

The radar

The Green Bay radar (KGRB), 146 km from the middle of the area, began a volume at 21:01 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

Minneapolis, MN (KMPX), launched 12:00Z, 9.0 hours before the alert went out and 349 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2011-11-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2011-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -54 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2253 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
-54 m²/s²
0-3 km storm-relative helicity
-20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Green Bay, WI wrote its last area forecast discussion before this winter storm watch went out at Nov 7, 11:33 AM CST, 3 hours 28 minutes earlier.

Area forecast discussion, Nov 7, 11:33 AM CST, 3 hours 28 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, Nov 7, 2:47 PM CST, 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
247 PM CST MON NOV 7 2011

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-082100-
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE-
MENOMINEE-NORTHERN OCONTO-DOOR-MARATHON-SHAWANO-WOOD-PORTAGE-
WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-WINNEBAGO-CALUMET-
MANITOWOC-SOUTHERN MARINETTE-SOUTHERN OCONTO-
247 PM CST MON NOV 7 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST
WISCONSIN.

.DAY ONE...TONIGHT

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY

A STRONG STORM WILL BRING A SIGNIFICANT PRECIPITATION EVENT TO THE
AREA LATE TONIGHT INTO WEDNESDAY NIGHT. PRECIPITATION AMOUNTS OVER
AN INCH ARE POSSIBLE.

PRECIPITATION IS LIKELY TO START OUT EARLY TUESDAY MORNING AS A
RAIN AND SNOW MIX OVER CENTRAL AND NORTH-CENTRAL WISCONSIN.
HOWEVER...SURFACE TEMPERATURES ARE EXPECTED TO BE GREATER THAN FREEZING
WHEN THE PRECIPITATION ARRIVES...WHICH WILL CAUSE THE SNOW TO MELT
WHEN IT REACHES THE GROUND.

THEN ON TUESDAY NIGHT AND WEDNESDAY...THERE IS THE POTENTIAL FOR A
HEAVY BAND OF SNOW ACROSS WEST CENTRAL INTO NORTHERN WISCONSIN.
ALTHOUGH UNCERTAINTY OF THE STORM TRACK REMAINS...EARLY
INDICATIONS ARE THAT AN ACCUMULATING SNOWFALL WOULD OCCUR
NORTHWEST OF A STEVENS POINT TO IRON MOUNTAIN LINE. ANY SLIGHT
VARIATION IN THE STORM TRACK OR THE AMOUNT OF COLD AIR COULD
SIGNIFICANTLY ALTER LATER FORECASTS. PLEASE SEE THE LATEST WINTER
WEATHER HEADLINES FOR MORE INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT.

LMZ521-522-541>543-082100-
THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN-
247 PM CST MON NOV 7 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST LAKE
MICHIGAN AND THE WATERS OF GREEN BAY.

.DAY ONE...TONIGHT

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY

GALE FORCE GUSTS ARE POSSIBLE WEDNESDAY INTO WEDNESDAY NIGHT.

MPC/RDM

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 7, 3:43 PM CSTSmall Craft AdvisoryGRB37 hr

Nearby

Winter Storm Watches in Wisconsin, 2011Every winter storm watch in 2011

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.