Alert archive / Minnesota / Special Weather Statements in 2015

Special Weather Statement, NWS Twin Cities, MN

July 11, 2015Kanabec County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 11, 2015, 7:48 PM CDT for Kanabec County, Minnesota. It was in force for 42 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: Jul 11, 2015, 7:48 PM CDT (00:48 UTC)
Expired: Jul 11, 2015, 8:30 PM CDT
In force: 42 min
Issued by: NWS Twin Cities, MN

County Kanabec County, MN

The radar

The Duluth radar (KDLH), 119 km from the middle of the area, began a volume at 00:48 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 00:00Z, 0.8 hours before the alert went out and 140 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: 893 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 940 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 160 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.3

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 Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Jul 11, 7:16 PM CDT, 32 minutes earlier.

Area forecast discussion, Jul 11, 7:16 PM CDT, 32 minutes before

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Hazardous weather outlook, Jul 11, 5:31 PM CDT, 2 hours 17 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
531 PM CDT SAT JUL 11 2015

MNZ041>045-050>053-061-063-070-077-078-085-WIZ014>016-023>028-
122245-
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-BENTON-SHERBURNE-ISANTI-
CHISAGO-ANOKA-WASHINGTON-DAKOTA-RICE-GOODHUE-STEELE-POLK-BARRON-
RUSK-ST. CROIX-PIERCE-DUNN-PEPIN-CHIPPEWA-EAU CLAIRE-
531 PM CDT SAT JUL 11 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA...EAST CENTRAL MINNESOTA...SOUTH CENTRAL MINNESOTA...
SOUTHEAST MINNESOTA...WEST CENTRAL MINNESOTA...NORTHWEST
WISCONSIN AND WEST CENTRAL WISCONSIN.

.DAY ONE...TONIGHT

ISOLATED THUNDERSTORMS WILL OCCUR TONIGHT. NO ORGANIZED SEVERE
WEATHER IS EXPECTED...BUT A FEW STORMS MAY PRODUCE LOCALLY HEAVY
RAINFALL...SMALL HAIL AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

WARM AND HUMID CONDITIONS ARE EXPECTED SUNDAY WITH HEAT INDEX
VALUES REACHING AROUND 95 DEGREES. THE WARM TEMPERATURES AND HIGH
HUMIDITY WILL COMBINE TO CREATE A SITUATION WHERE HEAT ILLNESSES
ARE POSSIBLE...ESPECIALLY FOR THOSE WHO ARE ACTIVE OUTDOORS.

THERE IS AN ENHANCED RISK FOR SEVERE WEATHER ACROSS CENTRAL AND
SOUTHERN MINNESOTA AND WEST CENTRAL WISCONSIN ON SUNDAY. THE MOST
FAVORABLE AREA FOR SEVERE WEATHER WILL OCCUR IN CENTRAL AND EAST
CENTRAL MINNESOTA AS WELL AS WEST CENTRAL WISCONSIN. THIS INCLUDES
THE TWIN CITIES METROPOLITAN AREA. LARGE HAIL...DAMAGING WINDS
AND A TORNADO OR TWO ARE POSSIBLE SUNDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED ON SUNDAY.

MNZ047>049-054>060-062-064>069-073>076-082>084-091>093-122245-
STEVENS-POPE-STEARNS-LAC QUI PARLE-SWIFT-CHIPPEWA-KANDIYOHI-
MEEKER-WRIGHT-HENNEPIN-RAMSEY-YELLOW MEDICINE-RENVILLE-MCLEOD-
SIBLEY-CARVER-SCOTT-REDWOOD-BROWN-NICOLLET-LE SUEUR-WATONWAN-
BLUE EARTH-WASECA-MARTIN-FARIBAULT-FREEBORN-
531 PM CDT SAT JUL 11 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA...EAST CENTRAL MINNESOTA...SOUTH CENTRAL MINNESOTA...
SOUTHWEST MINNESOTA AND WEST CENTRAL MINNESOTA.

.DAY ONE...TONIGHT

ISOLATED THUNDERSTORMS WILL OCCUR TONIGHT. NO ORGANIZED SEVERE
WEATHER IS EXPECTED...BUT A FEW STORMS MAY PRODUCE LOCALLY HEAVY
RAINFALL...SMALL HAIL AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

VERY WARM AND HUMID CONDITIONS ARE EXPECTED SUNDAY WITH HEAT
INDEX VALUES REACHING 100 TO 105 DEGREES. THE VERY WARM
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION
WHERE HEAT ILLNESSES ARE POSSIBLE...ESPECIALLY FOR THOSE WHO ARE
ACTIVE OUTDOORS. A HEAT ADVISORY REMAINS IN EFFECT FOR MUCH OF
CENTRAL AND SOUTHERN MINNESOTA FOR SUNDAY AFTERNOON.

THERE IS AN ENHANCED RISK FOR SEVERE WEATHER ACROSS CENTRAL AND
SOUTHERN MINNESOTA AND WEST CENTRAL WISCONSIN ON SUNDAY. THE MOST
FAVORABLE AREA FOR SEVERE WEATHER WILL OCCUR IN CENTRAL AND EAST
CENTRAL MINNESOTA AS WELL AS WEST CENTRAL WISCONSIN. THIS INCLUDES
THE TWIN CITIES METROPOLITAN AREA. LARGE HAIL...DAMAGING WINDS AND
A TORNADO OR TWO ARE POSSIBLE SUNDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED ON SUNDAY.

RAH

In the hours before

Local storm report, Jul 11, 6:48 PM CDT, 1 hour before

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Local storm report, Jul 11, 6:49 PM CDT, 59 minutes before

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Local storm report, Jul 11, 7:14 PM CDT, 34 minutes before

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Local storm report, Jul 11, 7:25 PM CDT, 23 minutes before

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Local storm report, Jul 11, 7:40 PM CDT, 8 minutes before

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Special weather statement, Jul 11, 7:48 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 11, 7:00 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs	45 min
Jul 12, 7:50 AM CDT	Special Weather Statement	MPX	Mille Lacs	25 min
Jul 12, 8:30 AM CDT	Special Weather Statement	MPX	Kanabec	30 min
Jul 12, 9:04 AM CDT	Special Weather Statement	MPX	Kanabec	41 min
Jul 12, 6:13 PM CDT	Tornado Warning	MPX	Douglas	47 min
Jul 12, 6:24 PM CDT	Tornado Warning	MPX	Douglas, Todd	51 min
Jul 12, 6:58 PM CDT	Tornado Warning	MPX	Douglas	47 min
Jul 12, 11:36 AM CDT	Special Weather Statement	MPX	Polk	39 min

Nearby

Special Weather Statements in Minnesota, 2015 Every special weather statement in 2015

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.