Alert archive / North Dakota / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 105, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 12, 2015, 9:57 PM CDT for Foster County, Stutsman County, North Dakota. 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 counties it named.
The facts
- Issued
- Jul 12, 2015, 9:57 PM CDT (02:57 UTC)
- Expired
- Jul 12, 2015, 11:00 PM CDT
- In force
- 63 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Foster County, ND, Stutsman County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 125 km from the middle of the area, began a volume at 02:58 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, 3.0 hours before the alert went out and 144 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
- 812 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 2625 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 12, 9:51 PM CDT, 6 minutes earlier.
Area forecast discussion, Jul 12, 9:51 PM CDT, 6 minutes before
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</html>Hazardous weather outlook, Jul 12, 5:55 PM CDT, 4 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 555 PM CDT SUN JUL 12 2015 NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-132300- DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD- MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS- FOSTER-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER- STUTSMAN-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN- LA MOURE-MCINTOSH-DICKEY- 555 PM CDT SUN JUL 12 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL NORTH DAKOTA...NORTHWEST NORTH DAKOTA...SOUTH CENTRAL NORTH DAKOTA...SOUTHEAST NORTH DAKOTA AND SOUTHWEST NORTH DAKOTA. .DAY ONE...TONIGHT ISOLATED TO SCATTERED THUNDERSTORMS POSSIBLE TONIGHT. THE THREAT FOR SEVERE WEATHER WILL BE ISOLATED AND LOW. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY DAILY CHANCES FOR THUNDERSTORMS ARE EXPECTED THROUGH THE WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
In the hours before
Special weather statement, Jul 12, 7:24 PM CDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
724 PM CDT SUN JUL 12 2015
NDZ012-013-130115-
MCHENRY ND-PIERCE ND-
724 PM CDT SUN JUL 12 2015
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT EASTERN MCHENRY AND
PIERCE COUNTIES...
AT 723 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR WILLOW CITY TO 7 MILES
SOUTHEAST OF BUTTE...AND MOVING EAST AT 40 MPH.
PENNY SIZE HAIL AND WIND GUSTS UP TO 55 MPH WILL BE POSSIBLE WITH
THESE STORMS.
LOCATIONS IMPACTED INCLUDE... RUGBY...TOWNER...DENBIGH...BALTA...
WOLFORD...BALFOUR...ORRIN...GEORGE LAKE AND SILVA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
&&
LAT...LON 4854 9950 4838 9950 4837 9985 4802 9985
4801 9981 4785 9981 4786 10076 4855 10051
TIME...MOT...LOC 0023Z 266DEG 33KT 4856 10027 4774 10060
ZHLocal storm report, Jul 12, 8:02 PM CDT, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
802 PM CDT SUN JUL 12 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0740 PM TSTM WND GST 9 NE DRAKE 48.02N 100.24W
07/12/2015 E60 MPH MCHENRY ND CO-OP OBSERVER
&&
NHEINERTLocal storm report, Jul 12, 8:22 PM CDT, 1 hour 35 minutes before
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</html>Local storm report, Jul 12, 8:27 PM CDT, 1 hour 30 minutes before
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</html>Local storm report, Jul 12, 9:04 PM CDT, 53 minutes before
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</html>Local storm report, Jul 12, 9:32 PM CDT, 25 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 |
|---|---|---|---|---|
| Jul 12, 7:02 PM CDT | Special Weather Statement | BIS | Rolette | 28 min |
| Jul 12, 7:14 PM CDT | Special Weather Statement | BIS | Burleigh, Morton | 46 min |
| Jul 12, 7:24 PM CDT | Special Weather Statement | BIS | Pierce | 51 min |
| Jul 12, 7:36 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 54 min |
| Jul 12, 8:15 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 60 min |
| Jul 12, 8:56 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Wells | 64 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2015Every severe thunderstorm warning in 2015
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.