Alert archive / Minnesota / Special Weather Statements in 2012

Special Weather Statement, NWS Duluth, MN

May 23, 2012Lake County, Minnesota

NWS Duluth, MN issued this special weather statement at May 23, 2012, 4:47 PM CDT for Lake County, Minnesota. It was in force for 43 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: May 23, 2012, 4:47 PM CDT (21:47 UTC)
Expired: May 23, 2012, 5:30 PM CDT
In force: 43 min
Issued by: NWS Duluth, MN

County Lake County, MN

The radar

The Duluth radar (KDLH), 125 km from the middle of the area, began a volume at 21:48 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, 9.8 hours before the alert went out and 367 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: 1960 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 354 m²/s²
0-3 km storm-relative helicity: 362 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 May 23, 3:56 PM CDT, 51 minutes earlier.

Area forecast discussion, May 23, 3:56 PM CDT, 51 minutes before

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Hazardous weather outlook, May 23, 3:24 PM CDT, 1 hour 23 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DULUTH MN
324 PM CDT WED MAY 23 2012

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-241200-
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-
324 PM CDT WED MAY 23 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS WILL AFFECT MUCH OF THE NORTHLAND THROUGH THE REST
OF THE AFTERNOON AND INTO TONIGHT. HEAVY RAIN...SMALL HAIL...AND
FREQUENT LIGHTNING ARE POSSIBLE WITH THE STORMS. A FLOOD WATCH HAS
BEEN ISSUED FOR MUCH OF NORTHEASTERN MINNESOTA DUE TO THE HEAVY
RAINFALL THE REGION IS EXPECTED TO GET THROUGH THURSDAY...WHICH
COULD RESULT IN SOME FLOODING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THUNDERSTORMS ARE POSSIBLE ACROSS MUCH OF THE NORTHLAND THURSDAY.
HEAVY RAIN IS POSSIBLE WITH THE STORMS. SEVERE THUNDERSTORMS ARE
POSSIBLE IN PARTS OF NORTHWESTERN WISCONSIN...AND THE STORMS COULD
HAVE LARGE HAIL...DAMAGING WINDS...FREQUENT LIGHTNING...AND HEAVY
RAIN. A FLOOD WATCH WILL CONTINUE THROUGH THURSDAY FOR MUCH OF
NORTHEASTERN MINNESOTA DUE TO THE HEAVY RAINFALL THE REGION IS
EXPECTED TO GET...WHICH COULD RESULT IN SOME FLOODING.

THUNDERSTORMS ARE POSSIBLE ACROSS THE NORTHLAND SATURDAY NIGHT
THROUGH SUNDAY NIGHT. SEVERE STORMS ARE POSSIBLE ACROSS EAST
CENTRAL MINNESOTA SUNDAY AND SUNDAY NIGHT WHEN A WARM FRONT LIFTS
INTO CENTRAL MINNESOTA.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED FOR TOMORROW AFTERNOON
AND EVENING.

LSZ121-140>148-241200-
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-
324 PM CDT WED MAY 23 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE POSSIBLE ACROSS WESTERN LAKE SUPERIOR THROUGH
TONIGHT. SOME STORMS COULD BE STRONG WITH HEAVY RAIN...FREQUENT
LIGHTNING...AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THUNDERSTORMS ARE POSSIBLE ACROSS ACROSS WESTERN LAKE SUPERIOR
THURSDAY. SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS THE SOUTH SHORE
OF LAKE SUPERIOR IN NORTHWESTERN WISCONSIN...AND THE STORMS COULD
HAVE LARGE HAIL...DANGEROUS WINDS...FREQUENT LIGHTNING...AND HEAVY
RAIN.

GUSTY WESTERLY WINDS ARE EXPECTED TO DEVELOP THURSDAY NIGHT ACROSS
WESTERN LAKE SUPERIOR. THE WINDS AND RESULTING WAVES COULD POSE
HAZARDOUS CONDITIONS FOR SMALL CRAFT...ESPECIALLY NEAR THE APOSTLE
ISLANDS AND ALONG THE NORTH SHORE FROM GRAND MARAIS TO GRAND
PORTAGE.

THUNDERSTORMS ARE POSSIBLE ACROSS WESTERN LAKE SUPERIOR SATURDAY
NIGHT THROUGH SUNDAY NIGHT.

GROCHOCINSKI

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

In the hours before

Special weather statement, May 23, 3:10 PM CDT, 1 hour 37 minutes before

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Special weather statement, May 23, 3:36 PM CDT, 1 hour 11 minutes before

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Local storm report, May 23, 3:47 PM CDT, 1 hour before

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Special weather statement, May 23, 4:02 PM CDT, 45 minutes before

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Special weather statement, May 23, 4:41 PM CDT, 6 minutes before

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Special weather statement, May 23, 4:47 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 2:18 AM CDT	Special Weather Statement	DLH	Saint Louis	42 min
May 23, 3:22 AM CDT	Special Weather Statement	DLH	Saint Louis	38 min
May 23, 3:37 AM CDT	Special Weather Statement	DLH	Aitkin	38 min
May 23, 4:02 AM CDT	Special Weather Statement	DLH	Carlton, Pine	28 min
May 23, 12:55 PM CDT	Special Weather Statement	DLH	Aitkin, Crow Wing	20 min
May 23, 1:21 PM CDT	Special Weather Statement	DLH	Aitkin, Carlton, Crow Wing, Pine	24 min
May 23, 1:50 PM CDT	Special Weather Statement	DLH	Itasca, Saint Louis	55 min
May 23, 2:02 PM CDT	Special Weather Statement	DLH	Aitkin	43 min
May 23, 2:43 PM CDT	Special Weather Statement	DLH	Carlton	32 min
May 23, 2:57 PM CDT	Special Weather Statement	DLH	Aitkin, Crow Wing	33 min
May 23, 3:10 PM CDT	Special Weather Statement	DLH	Carlton	35 min
May 23, 3:21 PM CDT	Flood Watch	DLH	Aitkin, Carlton, Cook, Crow Wing, Itasca, Lake and 2 more	27 hr
May 23, 3:36 PM CDT	Special Weather Statement	DLH		24 min
May 23, 4:02 PM CDT	Special Weather Statement	DLH		28 min
May 23, 4:41 PM CDT	Special Weather Statement	DLH	Aitkin, Crow Wing	34 min
May 23, 5:16 PM CDT	Special Weather Statement	DLH	Aitkin, Carlton, Crow Wing	44 min
May 23, 5:32 PM CDT	Special Weather Statement	DLH	Cook	43 min
May 23, 5:57 PM CDT	Special Weather Statement	DLH	Aitkin, Carlton	33 min
May 23, 6:04 PM CDT	Special Weather Statement	DLH	Pine	26 min
May 23, 6:14 PM CDT	Special Weather Statement	DLH	Cook	46 min
May 23, 6:39 PM CDT	Special Weather Statement	DLH	Aitkin, Carlton, Crow Wing	36 min
May 23, 6:29 PM CDT	Special Weather Statement	DLH	Burnett	31 min

Nearby

Special Weather Statements in Minnesota, 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.