Alert archive / North Dakota / Special Weather Statements in 2018
Special Weather Statement, NWS Bismarck, ND
NWS Bismarck, ND issued this special weather statement at Aug 4, 2018, 7:40 PM CDT for Stutsman County, North Dakota. It was in force for 35 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 4, 2018, 7:40 PM CDT (00:40 UTC)
- Expired
- Aug 4, 2018, 8:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Bismarck, ND
County Stutsman County, ND
The radar
The Bismarck radar (KBIS), 108 km from the middle of the area, began a volume at 00:44 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
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.7 hours before the alert went out and 103 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.
- Mixed-layer CAPE
- 743 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 2786 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
As transmitted.
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</html>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 Aug 4, 7:01 PM CDT, 39 minutes earlier.
Area forecast discussion, Aug 4, 7:01 PM CDT, 39 minutes before
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</html>Hazardous weather outlook, Aug 4, 6:42 PM CDT, 58 minutes before
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Local storm report, Aug 4, 5:52 PM CDT, 1 hour 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
552 PM CDT SAT AUG 4 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0518 PM HAIL 11 SSE GOODRICH 47.33N 100.07W
08/04/2018 E1.00 INCH KIDDER ND TRAINED SPOTTER
MOSTLY PEA TO DIME SIZE HAIL WITH A FEW AS
LARGE AS A QUARTER. TIME ESTIMATED FROM
RADAR.
&&
ZHSpecial weather statement, Aug 4, 5:55 PM CDT, 1 hour 45 minutes before
Special Weather Statement National Weather Service Bismarck ND 555 PM CDT SAT AUG 4 2018 NDZ034-042-045-042345- Grant-Sioux-Morton- 555 PM CDT SAT AUG 4 2018 ...A STRONG THUNDERSTORM WILL AFFECT CENTRAL SIOUX...SOUTH CENTRAL MORTON AND SOUTHEASTERN GRANT COUNTIES UNTIL 645 PM CDT/545 PM MDT/... At 555 PM CDT/455 PM MDT/, a strong thunderstorm was located 10 miles south of Carson, or 18 miles southeast of Elgin, moving east at 30 mph. Winds gusts to 40 mph and nickel size hail are possible with this storm. Locations impacted include... Shields, Raleigh, St. Gertrude and Porcupine. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. LAT...LON 4618 10160 4635 10162 4641 10098 4611 10100 TIME...MOT...LOC 2255Z 266DEG 26KT 4627 10151 HEINERT
Special weather statement, Aug 4, 6:13 PM CDT, 1 hour 27 minutes before
Special Weather Statement
National Weather Service Bismarck ND
613 PM CDT SAT AUG 4 2018
NDZ036-042345-
Kidder-
613 PM CDT SAT AUG 4 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN KIDDER COUNTY UNTIL 645
PM CDT...
At 612 PM CDT, a strong thunderstorm was located near Tuttle, or 18
miles north of Steele, moving east at 25 mph.
Penny size hail is possible with this storm.
Locations impacted include...
Tuttle, Pettibone, Robinson, Lake Williams and Horsehead Lake.
Frequent cloud to ground lightning is occurring with this storm.
Seek a safe shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 4702 10006 4720 10004 4720 9948 4698 9948
4698 9945 4696 9945
TIME...MOT...LOC 2312Z 273DEG 21KT 4712 9994
HEINERTSpecial weather statement, Aug 4, 7:17 PM CDT, 23 minutes before
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</html>Special weather statement, Aug 4, 7:31 PM CDT, 9 minutes before
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</html>Special weather statement, Aug 4, 7:40 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 7:17 PM CDT | Special Weather Statement | BIS | Sioux | 43 min |
| Aug 4, 7:31 PM CDT | Special Weather Statement | BIS | Stutsman | 29 min |
| Aug 4, 8:02 PM CDT | Special Weather Statement | BIS | Emmons | 28 min |
| Aug 4, 8:14 PM CDT | Special Weather Statement | BIS | Logan | 31 min |
| Aug 4, 8:45 PM CDT | Special Weather Statement | BIS | Logan | 30 min |
Nearby
Special Weather Statements in North Dakota, 2018Every special weather statement in 2018
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.