Alert archive / Minnesota / Special Weather Statements in 2016

Special Weather Statement, NWS Grand Forks, ND

July 16, 2016Wilkin County, Minnesota

NWS Grand Forks, ND issued this special weather statement at Jul 16, 2016, 11:57 PM CDT for Wilkin County, Minnesota. It was in force for 63 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 16, 2016, 11:57 PM CDT (04:57 UTC)
Expired
Jul 17, 2016, 1:00 AM CDT
In force
63 min
Issued by
NWS Grand Forks, ND

County Wilkin County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 132 km from the middle of the area, began a volume at 04:57 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 00:00Z, 5.0 hours before the alert went out and 218 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2016-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2016-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 295 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
687 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
295 m²/s²
0-3 km storm-relative helicity
515 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 Grand Forks, ND wrote its last area forecast discussion before this special weather statement went out at Jul 16, 11:54 PM CDT, 3 minutes earlier.

Area forecast discussion, Jul 16, 11:54 PM CDT, 3 minutes before
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Hazardous weather outlook, Jul 16, 7:11 AM CDT, 16 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND FORKS ND
711 AM CDT SAT JUL 16 2016

MNZ001>003-007-013>016-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-171215-
WEST POLK-NORMAN-CLAY-WEST MARSHALL-PENNINGTON-RED LAKE-EAST POLK-
NORTH CLEARWATER-MAHNOMEN-SOUTH CLEARWATER-HUBBARD-WEST BECKER-
EAST BECKER-WILKIN-WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-
TOWNER-CAVALIER-PEMBINA-BENSON-RAMSEY-EASTERN WALSH COUNTY-EDDY-
NELSON-GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-
SARGENT-RICHLAND-WESTERN WALSH COUNTY-
711 AM CDT SAT JUL 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

DURING THE DAY EXPECT AN INCREASING CHANCE FOR SHOWERS AND A FEW
THUNDERSTORMS. LATE THIS AFTERNOON AND EARLY EVENING A FEW STORMS
MAY BECOME SEVERE WITH HIGHEST CHANCES FOR SEVERE WEATHER AND HIGH
WIND THREAT BEING ALONG AND SOUTH OF INTERSTATE 94, INCLUDING
VALLEY CITY, FARGO, WAHPETON, AND FERGUS FALLS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

RISK OF NON-SEVERE THUNDERSTORMS SUNDAY WITH ISOLATED CHANCES AT
TIMES DURING NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY.

MNZ004>006-008-009-017-171215-
KITTSON-ROSEAU-LAKE OF THE WOODS-EAST MARSHALL-NORTH BELTRAMI-
SOUTH BELTRAMI-
711 AM CDT SAT JUL 16 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

A FEW SHOWERS AROUND TODAY AND A CHANCE FOR A THUNDERSTORM. THREAT
FOR SEVERE WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

CHANCE FOR SHOWERS AND A THUNDERSTORM SUNDAY BUT NO SEVERE WEATHER
IS ANTICIPATED. CHANCE FOR A FEW STORMS CONTINUES AT TIMES INTO
NEXT WEEK AS WE GET WARMER.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

DTR

In the hours before

Special weather statement, Jul 16, 7:06 PM CDT, 4 hours 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
706 PM CDT SAT JUL 16 2016

NDZ049-170100-
RANSOM ND-
706 PM CDT SAT JUL 16 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN RANSOM COUNTY UNTIL
800 PM CDT...

AT 706 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR LISBON...OR 33 MILES SOUTHEAST OF VALLEY CITY...MOVING EAST AT
35 MPH.

DIME SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  SHELDON...VENLO AND ANSELM AROUND 720 PM CDT.
  MCLEOD AROUND 730 PM CDT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHEASTERN NORTH DAKOTA.

LAT...LON 4640 9778 4658 9778 4659 9729 4636 9728
TIME...MOT...LOC 0006Z 271DEG 36KT 4649 9767

GUST
Local storm report, Jul 16, 7:33 PM CDT, 4 hours 24 minutes before
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Special weather statement, Jul 16, 11:42 PM CDT, 15 minutes before
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Special weather statement, Jul 16, 11:57 PM CDT, 0 minutes before
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The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 16, 11:42 PM CDTSpecial Weather StatementFGFBecker63 min
Jul 16, 7:06 PM CDTSpecial Weather StatementFGFRansom54 min
Jul 16, 7:21 PM CDTSevere Thunderstorm WarningFGFRansom24 min

Nearby

Special Weather Statements in Minnesota, 2016Every 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.