Alert archive / North Dakota / Special Weather Statements in 2014
Special Weather Statement, NWS Bismarck, ND
NWS Bismarck, ND issued this special weather statement at Aug 1, 2014, 8:21 PM CDT for Sioux County, North Dakota. It was in force for 39 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 1, 2014, 8:21 PM CDT (01:21 UTC)
- Expired
- Aug 1, 2014, 9:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Bismarck, ND
County Sioux County, ND
The radar
The Bismarck radar (KBIS), 64 km from the middle of the area, began a volume at 01:23 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, 1.4 hours before the alert went out and 66 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
- 739 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 2034 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
005 WWUS83 KBIS 020121 SPSBIS SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 821 PM CDT FRI AUG 1 2014 NDZ034-042-045-020200- GRANT-MORTON-SIOUX- 821 PM CDT FRI AUG 1 2014 ...STRONG THUNDERSTORMS... AT 814 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS...MOVING SOUTHEAST AT 15 MPH. PENNY SIZE HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING AND VERY HEAVY RAIN...WILL ACCOMPANY THIS STORM. THUNDERSTORMS WILL BE NEAR... ST GERTRUDE... SHIELDS... PORCUPINE... GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. VERY HEAVY RAINFALL CAN QUICKLY LEAD TO FLOODING OF LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. LAT...LON 4631 10078 4596 10100 4615 10152 4646 10134 TIME...MOT...LOC 0118Z 299DEG 15KT 4634 10128 $$ COOPER
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:50 PM CDT | Special Weather Statement | BIS | Burleigh | 70 min |
| Aug 2, 5:43 PM CDT | Special Weather Statement | BIS | Burleigh | 32 min |
| Aug 2, 5:45 PM CDT | Special Weather Statement | BIS | Kidder | 30 min |
| Aug 2, 5:48 PM CDT | Special Weather Statement | BIS | McIntosh | 27 min |
Nearby
Special Weather Statements in North Dakota, 2014Every special weather statement in 2014
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.