Alert archive / Minnesota / Special Weather Statements in 2016

Special Weather Statement, NWS Twin Cities, MN

August 28, 2016Sibley County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Aug 28, 2016, 8:08 AM CDT for Sibley County, Minnesota. It was in force for 52 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 28, 2016, 8:08 AM CDT (13:08 UTC)
Expired: Aug 28, 2016, 9:00 AM CDT
In force: 52 min
Issued by: NWS Twin Cities, MN

County Sibley County, MN

The radar

The Minneapolis radar (KMPX), 65 km from the middle of the area, began a volume at 13:09 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

Aberdeen, SD (KABR), launched 12:00Z, 1.1 hours before the alert went out and 326 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: 1191 J/kg
Mixed-layer CIN: -223 J/kg
Mixed-layer LCL: 1009 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted.

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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 Aug 28, 7:08 AM CDT, 1 hour earlier.

Area forecast discussion, Aug 28, 7:08 AM CDT, 1 hour before

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Hazardous weather outlook, Aug 28, 4:45 AM CDT, 3 hours 23 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
445 AM CDT SUN AUG 28 2016

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
290945-
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-
BENTON-SHERBURNE-ISANTI-CHISAGO-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-
YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA-
REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-
WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK-
ST. CROIX-PIERCE-DUNN-PEPIN-EAU CLAIRE-
445 AM CDT SUN AUG 28 2016

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

.DAY ONE...TODAY AND TONIGHT

DENSE FOG WILL SLOWLY SUBSIDE THROUGH THE MORNING ACROSS CENTRAL,
SOUTHERN, AND EASTERN MINNESOTA AND WESTERN WISCONSIN.

SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THE MORNING FROM
WEST CENTRAL INTO CENTRAL MINNESOTA. AN ISOLATED STORM CAPABLE OF
PRODUCING LARGE HAIL WILL BE POSSIBLE WITH THIS ACTIVITY.

THIS AFTERNOON...ANOTHER ROUND OF THUNDERSTORMS IS EXPECTED TO
DEVELOP ACROSS NORTHWEST MINNESOTA. THIS ACTIVITY WILL WORK
TOWARD CENTRAL AND NORTHEAST MINNESOTA AND NORTHWEST WISCONSIN
TONIGHT. STRONG WINDS AND HEAVY RAIN WILL BE POSSIBLE WITH THIS
ACTIVITY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS ARE EXPECTED AGAIN MONDAY AFTERNOON INTO MONDAY
NIGHT ACROSS MOST OF THE OUTLOOK AREA. A FEW SEVERE STORMS WILL
BE POSSIBLE...WITH DAMAGING WINDS AND LARGE HAIL BEING THE MAIN
THREATS.

THUNDERSTORM CHANCES WILL RETURN FRIDAY NIGHT AND PERSIST INTO
NEXT WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Aug 28, 3:17 AM CDT, 4 hours 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
317 AM CDT SUN AUG 28 2016

MNZ054-280900-
LAC QUI PARLE-
317 AM CDT SUN AUG 28 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN LAC QUI PARLE
COUNTY...

AT 317 AM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER NASSAU...OR 11
MILES SOUTHEAST OF MILBANK...MOVING EAST AT 25 MPH.

NICKEL SIZE HAIL IS POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BELLINGHAM...MARIETTA...CERRO GORDO...NASSAU AND LOUISBURG.

THIS INCLUDES U.S. HIGHWAY 75 BETWEEN MILE MARKERS 110 AND 127.

LAT...LON 4521 9645 4525 9631 4525 9629 4522 9627
      4522 9622 4519 9617 4519 9612 4518 9611
      4504 9605 4500 9645
TIME...MOT...LOC 0817Z 253DEG 21KT 4510 9647

Special weather statement, Aug 28, 4:48 AM CDT, 3 hours 20 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
448 AM CDT SUN AUG 28 2016

MNZ056-281030-
CHIPPEWA-
448 AM CDT SUN AUG 28 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CHIPPEWA COUNTY...

AT 448 AM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER MILAN...OR 15
MILES NORTHWEST OF MONTEVIDEO...MOVING EAST AT 25 MPH.

NICKEL SIZE HAIL IS POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MILAN...WATSON AND BIG BEND CITY.

LAT...LON 4515 9552 4495 9554 4498 9583 4515 9604
TIME...MOT...LOC 0948Z 273DEG 24KT 4510 9594

Local storm report, Aug 28, 6:29 AM CDT, 1 hour 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
629 AM CDT SUN AUG 28 2016

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

0525 AM     TSTM WND DMG     5 NE MONTEVIDEO         45.01N 95.65W
08/28/2016                   CHIPPEWA           MN   LAW ENFORCEMENT

            MULTIPLE TREES DOWN.

&&

ETA

Special weather statement, Aug 28, 6:50 AM CDT, 1 hour 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
650 AM CDT SUN AUG 28 2016

MNZ054>056-281230-
CHIPPEWA-LAC QUI PARLE-SWIFT-
650 AM CDT SUN AUG 28 2016

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN SWIFT...NORTHERN
LAC QUI PARLE AND NORTHWESTERN CHIPPEWA COUNTIES...

AT 649 AM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER LOUISBURG...OR
13 MILES SOUTHEAST OF ORTONVILLE...MOVING EAST AT 30 MPH.

NICKEL SIZE HAIL IS POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
APPLETON...MILAN...BELLINGHAM...CERRO GORDO AND LOUISBURG.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 U.S. HIGHWAY 75 BETWEEN MILE MARKERS 115 AND 127.
 U.S. HIGHWAY 59 BETWEEN MILE MARKERS 136 AND 139.

LAT...LON 4525 9631 4525 9629 4522 9627 4519 9617
      4519 9612 4518 9610 4526 9612 4521 9578
      4499 9583 4509 9635
TIME...MOT...LOC 1149Z 278DEG 25KT 4517 9623

Special weather statement, Aug 28, 8:08 AM 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
Aug 27, 10:34 PM CDT	Dense Fog Advisory	MPX	Anoka, Benton, Carver, Chisago, Dakota, Freeborn and 20 more	10 hr
Aug 28, 3:17 AM CDT	Special Weather Statement	MPX	Lac qui Parle	43 min
Aug 28, 3:22 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	53 min
Aug 28, 4:48 AM CDT	Special Weather Statement	MPX	Chippewa	42 min
Aug 28, 5:22 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa	38 min
Aug 28, 5:53 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville	52 min
Aug 28, 6:33 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Renville	57 min
Aug 28, 6:50 AM CDT	Special Weather Statement	MPX	Lac qui Parle	40 min
Aug 28, 7:32 AM CDT	Severe Thunderstorm Warning	MPX	McLeod, Meeker, Renville	43 min
Aug 28, 8:19 AM CDT	Special Weather Statement	MPX	McLeod	26 min
Aug 28, 8:46 AM CDT	Special Weather Statement	MPX	Chippewa	44 min
Aug 28, 9:29 AM CDT	Special Weather Statement	MPX	Kandiyohi	46 min
Aug 28, 9:33 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville	42 min

Nearby

Special Weather Statements in Minnesota, 2016 Every special weather statement in 2016

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.