Alert archive / Wisconsin / Special Weather Statements in 2012

Special Weather Statement, NWS Duluth, MN

August 9, 2012Douglas County, Wisconsin

NWS Duluth, MN issued this special weather statement at Aug 9, 2012, 11:32 AM CDT for Douglas County, Wisconsin. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 9, 2012, 11:32 AM CDT (16:32 UTC)
Expired: Aug 9, 2012, 12:00 PM CDT
In force: 28 min
Issued by: NWS Duluth, MN

County Douglas County, WI

The radar

The Duluth radar (KDLH), 24 km from the middle of the area, began a volume at 16:33 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, 4.5 hours before the alert went out and 233 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 921 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: -74 m²/s²
0-3 km storm-relative helicity: -25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Duluth, MN wrote its last area forecast discussion before this special weather statement went out at Aug 9, 6:43 AM CDT, 4 hours 49 minutes earlier.

Area forecast discussion, Aug 9, 6:43 AM CDT, 4 hours 49 minutes before

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  <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.
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        Please try again in a few minutes.
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Hazardous weather outlook, Aug 9, 5:05 AM CDT, 6 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
505 AM CDT THU AUG 9 2012

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-101200-
KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-
NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE-
SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA-
SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN-
CARLTON/SOUTHERN ST. LOUIS-PINE-DOUGLAS-BAYFIELD-ASHLAND-IRON-
BURNETT-WASHBURN-SAWYER-PRICE-
505 AM CDT THU AUG 9 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND
NORTHWEST WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS THE NORTHLAND TODAY.
SEVERE WEATHER IS NOT EXPECTED.

THERE IS A HIGH RISK OF RIP CURRENTS FOR THE BEACHES OF DULUTH AND
SUPERIOR TODAY DUE TO THE STRONG NORTHEAST WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THUNDERSTORMS ARE POSSIBLE ACROSS THE NORTHLAND SATURDAY NIGHT
THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

LSZ121-140>148-101200-
BAYFIELD TO OAK POINT WI-GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-
SAND ISLAND TO BAYFIELD WI-OAK POINT TO SAXON HARBOR WI-
505 AM CDT THU AUG 9 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF
WESTERN LAKE SUPERIOR.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS ARE POSSIBLE THROUGH THIS AFTERNOON.

THE COMBINATION OF STRONG NORTHEAST WINDS AND HIGH WAVES WILL
RESULT IN HAZARDOUS CONDITIONS FOR SMALL CRAFT IN THE NEAR SHORE
WATERS OF WESTERN LAKE SUPERIOR THIS MORNING THROUGH THIS EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THUNDERSTORMS ARE POSSIBLE SATURDAY NIGHT THROUGH WEDNESDAY.

GROCHOCINSKI

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB ADDRESS:
HTTP://WWW.WEATHER.GOV/DULUTH (ALL LOWER CASE)

In the hours before

Local storm report, Aug 9, 11:22 AM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1122 AM CDT THU AUG 09 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1105 AM     WATER SPOUT      5 ESE DULUTH            46.76N 92.02W
08/09/2012                   LSZ145             MN   FIRE DEPT/RESCUE

            WATER SPOUT WAS SPOTTED 2 MILES OFF OF PARK POINT AND WAS
            MOVING SSW TOWARDS PARK POINT. THE WATER SPOUT DISSIPATED
            BY APPROX. 1110 AM BEFORE REACHING LAND.

&&

SGOHDE

Special weather statement, Aug 9, 11:32 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DULUTH MN
1132 AM CDT THU AUG 9 2012

MNZ037-WIZ001-091700-
CARLTON/SOUTH ST. LOUIS-DOUGLAS-
1132 AM CDT THU AUG 9 2012

...THUNDERSTORM MOVING INTO CITY OF SUPERIOR...

AT 1129 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR SUPERIOR...MOVING SOUTHWEST AT 15 MPH.

THIS STORM HAD A HISTORY OF WATER SPOUTS OVER LAKE SUPERIOR AND IS
CAPABLE OF PRODUCING FUNNEL CLOUDS NEAR THE IMMEDIATE
SHORELINE...PEA SIZE HAIL...WIND GUSTS UP TO 30 MPH...AND BRIEF
MODERATE DOWNPOURS...

* THE THUNDERSTORM WILL BE NEAR...
  SOUTH RANGE BY 1150 AM...
  OLIVER BY NOON...

GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.

LAT...LON 4658 9228 4674 9208 4672 9201 4669 9196
      4670 9194 4669 9189 4650 9202

TENTINGER

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 8, 9:38 PM CDT	Special Weather Statement	DLH	Lake	37 min
Aug 9, 11:12 AM CDT	Special Marine Warning	DLH		23 min
Aug 9, 11:59 AM CDT	Special Weather Statement	DLH		16 min
Aug 9, 12:18 PM CDT	Special Weather Statement	DLH	Carlton	42 min
Aug 9, 12:10 PM CDT	Special Weather Statement	DLH	Sawyer	35 min
Aug 9, 12:49 PM CDT	Special Weather Statement	DLH	Washburn	41 min
Aug 9, 1:04 PM CDT	Special Weather Statement	DLH	Sawyer	41 min
Aug 9, 1:14 PM CDT	Special Weather Statement	DLH	Washburn	46 min

Nearby

Special Weather Statements in Wisconsin, 2012 Every special weather statement in 2012

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.