Alert archive / North Dakota / Special Weather Statements in 2016

Special Weather Statement, NWS Bismarck, ND

July 31, 2016Golden Valley County, North Dakota

NWS Bismarck, ND issued this special weather statement at Jul 31, 2016, 1:04 AM MDT for Golden Valley County, North Dakota. It was in force for 41 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 31, 2016, 1:04 AM MDT (07:04 UTC)
Expired
Jul 31, 2016, 1:45 AM MDT
In force
41 min
Issued by
NWS Bismarck, ND

County Golden Valley County, ND

The radar

The Glasgow radar (KGGW), 234 km from the middle of the area, began a volume at 07:04 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

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 7.1 hours before the alert went out and 233 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, Glasgow Intl Airport, MT at 00:00Z on 2016-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 662 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, Glasgow Intl Airport, MT at 00:00Z on 2016-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
662 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
2526 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

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 Bismarck, ND wrote its last area forecast discussion before this special weather statement went out at Jul 31, 12:02 AM MDT, 1 hour 2 minutes earlier.

Area forecast discussion, Jul 31, 12:02 AM MDT, 1 hour 2 minutes before
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  <meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Hazardous weather outlook, Jul 30, 11:46 PM MDT, 1 hour 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BISMARCK ND
1246 AM CDT SUN JUL 31 2016

NDZ023-025-036-037-047-048-050-051-010600-
WELLS-FOSTER-KIDDER-STUTSMAN-LOGAN-LA MOURE-MCINTOSH-DICKEY-
1246 AM CDT SUN JUL 31 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
NORTH DAKOTA AND SOUTHEAST NORTH DAKOTA.

.DAY ONE...TONIGHT

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT IN THE JAMES
RIVER VALLEY. NO SEVERE WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF THUNDERSTORMS SUNDAY THROUGH WEDNESDAY.
SEVERE STORMS ARE POSSIBLE SUNDAY THROUGH TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

NDZ002>005-010>013-019>022-034-035-042-045-046-010600-
BURKE-RENVILLE-BOTTINEAU-ROLETTE-MOUNTRAIL-WARD-MCHENRY-PIERCE-
MERCER-OLIVER-MCLEAN-SHERIDAN-MORTON-BURLEIGH-GRANT-SIOUX-EMMONS-
1246 AM CDT SUN JUL 31 2016 /1146 PM MDT SAT JUL 30 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
NORTH DAKOTA...NORTHWEST NORTH DAKOTA AND SOUTH CENTRAL NORTH
DAKOTA.

.DAY ONE...TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF THUNDERSTORMS SUNDAY THROUGH WEDNESDAY.
SEVERE STORMS ARE POSSIBLE SUNDAY THROUGH TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

NDZ001-009-017-018-031>033-040-041-043-044-010600-
DIVIDE-WILLIAMS-MCKENZIE-DUNN-GOLDEN VALLEY-BILLINGS-STARK-SLOPE-
HETTINGER-BOWMAN-ADAMS-
1246 AM CDT SUN JUL 31 2016 /1146 PM MDT SAT JUL 30 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST NORTH
DAKOTA AND SOUTHWEST NORTH DAKOTA.

.DAY ONE...TONIGHT

THERE IS A GOOD CHANCE OF THUNDERSTORMS OVERNIGHT OVER WESTERN NORTH
DAKOTA WITH THUNDERSTORMS MOVING IN FROM EASTERN MONTANA. THOUGH SEVERE
WEATHER IS NOT ANTICIPATED...SOME STORMS MAY CONTAIN SMALL HAIL
AND GUSTY WINDS AS WELL AS PLENTY OF LIGHTNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF THUNDERSTORMS SUNDAY THROUGH WEDNESDAY.
SEVERE STORMS ARE POSSIBLE SUNDAY THROUGH TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

JV

In the hours before

Special weather statement, Jul 31, 1:04 AM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
104 AM MDT SUN JUL 31 2016

NDZ017-031-032-310745-
MCKENZIE ND-BILLINGS ND-GOLDEN VALLEY ND-
104 AM MDT SUN JUL 31 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN GOLDEN VALLEY...
NORTHWESTERN BILLINGS AND SOUTHWESTERN MCKENZIE COUNTIES UNTIL 145 AM
MDT...

AT 104 AM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5
MILES SOUTH OF SKAAR...OR 22 MILES NORTH OF WIBAUX...MOVING SOUTHEAST
AT 35 MPH.

WIND GUSTS TO 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SKAAR AND TROTTERS.

VERY HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK SHELTER
INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 4749 10404 4734 10335 4688 10368 4711 10405
TIME...MOT...LOC 0704Z 296DEG 29KT 4729 10403

ABELING

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 3:13 AM MDTSpecial Weather StatementBISSheridan32 min
Jul 31, 3:39 AM MDTSpecial Weather StatementBISPierce66 min
Jul 31, 4:28 AM MDTSpecial Weather StatementBISPierce47 min
Jul 31, 6:07 AM MDTSpecial Weather StatementBISPierce23 min
Jul 31, 3:20 PM MDTSpecial Weather StatementBISBowman25 min
Jul 31, 3:27 PM MDTSpecial Weather StatementBISSlope33 min
Jul 31, 3:45 PM MDTSevere Thunderstorm WarningBISBowman45 min
Jul 31, 4:30 PM MDTSevere Thunderstorm WarningBISMcKenzie, Mountrail60 min
Jul 31, 4:40 PM MDTSpecial Weather StatementBISSlope35 min
Jul 31, 4:41 PM MDTSpecial Weather StatementBISBowman34 min
Jul 31, 4:50 PM MDTSpecial Weather StatementBISDunn25 min
Jul 31, 5:05 PM MDTSpecial Weather StatementBISDunn25 min
Jul 31, 5:21 PM MDTSevere Thunderstorm WarningBISMountrail54 min
Jul 31, 5:36 PM MDTSevere Thunderstorm WarningBISBillings, Dunn24 min
Jul 31, 5:44 PM MDTSevere Thunderstorm WarningBISMcKenzie, McLean, Mountrail31 min
Jul 31, 5:53 PM MDTSevere Thunderstorm WarningBISDunn, McLean, Mountrail52 min

Nearby

Special Weather Statements in North Dakota, 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.