Alert archive / Minnesota / Heat Advisories in 2012

Heat Advisory 2, NWS Duluth, MN

July 3, 20126 counties in Minnesota; 4 counties in Wisconsin

NWS Duluth, MN issued this heat advisory at Jul 3, 2012, 3:28 AM CDT for 6 counties in Minnesota; 4 counties in Wisconsin. It took effect at Jul 3, 2012, 1:00 PM CDT. It was in force for 50 hr.

The area

The counties it named.

The facts

Issued: Jul 3, 2012, 3:28 AM CDT (08:28 UTC)
In effect from: Jul 3, 2012, 1:00 PM CDT
Expired: Jul 5, 2012, 3:23 PM CDT
In force: 50 hr
Issued by: NWS Duluth, MN

Counties Aitkin County, MN, Cass County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN, Pine County, MN, Burnett County, WI, Price County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 55 km from the middle of the area, began a volume at 08:29 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 00:00Z, 8.5 hours before the alert went out and 197 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: 2216 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 2064 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Jul 3, 3:25 AM CDT, 3 minutes earlier.

Area forecast discussion, Jul 3, 3:25 AM CDT, 3 minutes before

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Hazardous weather outlook, Jul 2, 1:04 PM CDT, 14 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE DULUTH MN
104 PM CDT MON JUL 2 2012

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-031045-
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-
104 PM CDT MON JUL 2 2012

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

...SLIGHT RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT...

.DAY ONE...THIS AFTERNOON AND TONIGHT

THERE IS A RISK FOR SEVERE THUNDERSTORMS OVER THE NORTHLAND THIS
AFTERNOON AND TONIGHT. THE MOST LIKELY TIME WILL BE AFTER 4
PM...THROUGH MIDNIGHT. THE MAIN THREATS WILL BE DAMAGING
WINDS...LARGE HAIL AND HEAVY RAIN. A TORNADO IS ALSO POSSIBLE.
WEST TO NORTHWEST AREAS SUCH AS WALKER THROUGH INTERNATIONAL FALLS WILL
MOST LIKELY SEE THE SEVERE STORMS INITIALLY...WITH THEM MOVING
EAST-SOUTHEAST THROUGH THE REST OF THE NORTHLAND.

THERE IS A HIGH RISK FOR RIP CURRENTS THIS AFTERNOON ALONG THE BEACHES
IN THE TWIN PORTS AREA. SEE THE SURFZONE FORECAST FOR ADDITIONAL DETAILS.

VARIOUS FLOOD WARNINGS REMAIN IN EFFECT ALONG THE MISSISSIPPI
RIVER. SEE THE LATEST FLOOD WARNING STATEMENTS FOR ADDITIONAL
DETAILS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS WILL CONTINUE TO BE POSSIBLE TUESDAY OVER ABOUT THE
EASTERN HALF OF THE NORTHLAND. THE STORMS ARE NOT EXPECTED TO BE
SEVERE.

MORE THUNDERSTORMS WILL BE POSSIBLE AT TIMES OVER PORTIONS OF THE
NORTHLAND THROUGH THE REMAINDER OF THE PERIOD. SOME OF THE STORMS
DURING THIS PERIOD COULD BE SEVERE...AND MORE DETAILS WILL BE
ADDED AS WE PROGRESS THROUGH THE WEEK.

IT WILL BE A WARM AND HUMID WEEK...AND HEAT ADVISORIES OR WARNINGS MAY BE
NEEDED FOR PORTIONS OF THE NORTHLAND AS EARLY AS WEDNESDAY. IT
LOOKS LIKE THURSDAY WILL BE THE WARMEST AND MOST HUMID.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATE THIS
AFTERNOON INTO TONIGHT.

LSZ121-140>148-031045-
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-
104 PM CDT MON JUL 2 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS WILL BE POSSIBLE. SOME OF THE STORMS COULD BE SEVERE TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS WILL BE POSSIBLE AT TIMES THROUGH THE PERIOD.

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, Jul 3, 2:20 AM CDT, 1 hour 8 minutes before

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Special weather statement, Jul 3, 2:42 AM CDT, 46 minutes before

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Special weather statement, Jul 3, 2:46 AM CDT, 42 minutes before

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Special weather statement, Jul 3, 2:58 AM CDT, 30 minutes before

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Special weather statement, Jul 3, 3:14 AM CDT, 14 minutes before

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Special weather statement, Jul 3, 3:19 AM CDT, 9 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
Jul 2, 7:11 PM CDT	Severe Thunderstorm Warning	DLH	Cass, Itasca, Koochiching	34 min
Jul 2, 7:13 PM CDT	Severe Thunderstorm Warning	DLH	Cass, Crow Wing, Itasca	32 min
Jul 2, 7:21 PM CDT	Special Marine Warning	DLH		84 min
Jul 2, 7:28 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	47 min
Jul 2, 7:42 PM CDT	Severe Thunderstorm Warning	DLH	Cass, Itasca, Koochiching	48 min
Jul 2, 7:44 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Cass, Crow Wing, Itasca, Saint Louis	46 min
Jul 2, 7:46 PM CDT	Severe Thunderstorm Warning	DLH	Cook, Lake	44 min
Jul 2, 8:05 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	40 min
Jul 2, 8:12 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Crow Wing, Saint Louis	18 min
Jul 2, 8:22 PM CDT	Severe Thunderstorm Warning	DLH	Cook, Lake	38 min
Jul 2, 8:28 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Carlton, Cass, Crow Wing, Itasca, Koochiching and 2 more	47 min
Jul 2, 8:38 PM CDT	Special Marine Warning	DLH		67 min
Jul 2, 8:47 PM CDT	Special Marine Warning	DLH		88 min
Jul 2, 9:11 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Crow Wing	34 min
Jul 2, 9:12 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Carlton, Cass, Itasca, Lake, Pine and 1 more	48 min
Jul 2, 9:25 PM CDT	Special Marine Warning	DLH		65 min
Jul 2, 9:26 PM CDT	Special Weather Statement	DLH	Cook	19 min
Jul 2, 9:51 PM CDT	Special Weather Statement	DLH	Cook	39 min
Jul 2, 9:54 PM CDT	Severe Thunderstorm Warning	DLH	Carlton, Pine, Saint Louis	36 min
Jul 2, 9:57 PM CDT	Severe Thunderstorm Warning	DLH	Cook, Lake, Saint Louis	48 min
Jul 2, 10:02 PM CDT	Special Weather Statement	DLH	Carlton	43 min
Jul 2, 10:27 PM CDT	Special Marine Warning	DLH		63 min
Jul 2, 10:27 PM CDT	Severe Thunderstorm Warning	DLH	Carlton, Pine	63 min
Jul 2, 10:28 PM CDT	Special Weather Statement	DLH	Cook	32 min
Jul 2, 10:51 PM CDT	Severe Thunderstorm Warning	DLH	Cook	22 min
Jul 2, 11:00 PM CDT	Special Weather Statement	DLH	Carlton	15 min
Jul 2, 11:02 PM CDT	Special Weather Statement	DLH	Aitkin	28 min
Jul 2, 11:10 PM CDT	Special Weather Statement	DLH	Crow Wing	20 min
Jul 2, 11:15 PM CDT	Special Weather Statement	DLH	Cook	15 min
Jul 2, 11:22 PM CDT	Severe Thunderstorm Warning	DLH	Cass, Crow Wing	23 min
Jul 2, 11:24 PM CDT	Areal Flood Advisory	DLH	Aitkin, Carlton, Cass, Crow Wing, Saint Louis	6 hr
Jul 2, 11:34 PM CDT	Special Weather Statement	DLH	Aitkin	26 min
Jul 2, 11:49 PM CDT	Special Weather Statement	DLH	Crow Wing	26 min
Jul 3, 12:18 AM CDT	Special Weather Statement	DLH	Aitkin, Carlton, Crow Wing	42 min
Jul 3, 12:29 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Crow Wing	31 min
Jul 3, 12:31 AM CDT	Flash Flood Warning	DLH	Aitkin, Carlton, Cass, Crow Wing, Pine	8 hr
Jul 3, 12:39 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin	36 min
Jul 3, 1:10 AM CDT	Special Weather Statement	DLH	Crow Wing	35 min
Jul 3, 1:14 AM CDT	Special Weather Statement	DLH	Pine	46 min
Jul 3, 1:51 AM CDT	Special Weather Statement	DLH	Crow Wing	39 min
Jul 3, 2:20 AM CDT	Special Weather Statement	DLH	Pine	40 min
Jul 3, 4:04 AM CDT	Special Marine Warning	DLH		86 min
Jul 2, 11:26 PM CDT	Severe Thunderstorm Warning	DLH	Ashland, Iron, Price, Sawyer	49 min
Jul 3, 12:10 AM CDT	Special Weather Statement	DLH	Price	35 min
Jul 3, 1:15 AM CDT	Special Weather Statement	DLH	Washburn	15 min
Jul 3, 1:22 AM CDT	Severe Thunderstorm Warning	DLH	Burnett, Sawyer, Washburn	38 min
Jul 3, 1:57 AM CDT	Special Weather Statement	DLH	Sawyer	18 min
Jul 3, 2:13 AM CDT	Special Weather Statement	DLH	Price, Sawyer	32 min
Jul 3, 2:42 AM CDT	Special Weather Statement	DLH	Price	18 min
Jul 3, 2:46 AM CDT	Special Weather Statement	DLH	Burnett, Washburn	44 min
Jul 3, 2:58 AM CDT	Special Weather Statement	DLH	Price	17 min
Jul 3, 3:14 AM CDT	Special Weather Statement	DLH	Price	16 min
Jul 3, 3:19 AM CDT	Special Weather Statement	DLH	Price, Sawyer	26 min
Jul 3, 3:38 AM CDT	Special Weather Statement	DLH	Price	37 min

Nearby

Heat Advisories in Minnesota, 2012 Heat Advisories in Wisconsin, 2012 Every heat advisory 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.