Alert archive / North Dakota / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 67, NWS Bismarck, ND

May 29, 2010Rolette County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at May 29, 2010, 6:21 PM CDT for Rolette County, North Dakota. It was in force for 21 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: May 29, 2010, 6:21 PM CDT (23:21 UTC)
Expired: May 29, 2010, 6:42 PM CDT
In force: 21 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Rolette County, ND

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 11.4 hours before the alert went out and 481 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1810 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 353 m²/s²
0-3 km storm-relative helicity: 357 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 May 29, 3:56 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, May 29, 3:56 PM CDT, 2 hours 25 minutes before

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Hazardous weather outlook, May 29, 4:30 AM CDT, 13 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BISMARCK ND
430 AM CDT SAT MAY 29 2010

NDZ001>005-009>012-017-031-300930-
DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD-
MCHENRY-MCKENZIE-GOLDEN VALLEY-
430 AM CDT SAT MAY 29 2010 /330 AM MDT SAT MAY 29 2010/

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

.DAY ONE...TODAY AND TONIGHT

HEAVY RAIN CAN BE EXPECTED THIS MORNING ACROSS NORTHWEST AND NORTH
CENTRAL NORTH DAKOTA. THE HEAVY RAIN COULD CAUSE FLASH FLOODING
AND A FLASH FLOOD WATCH HAS BEEN ISSUED EFFECTIVE UNTIL NOON MDT
OR 1 PM CDT. IN ADDITION THE THUNDERSTORMS CAUSING THE HEAVY RAIN
COULD BE SEVERE WITH LARGE HAIL AND STRONG WINDS. ALTHOUGH THE
BEST CHANCE OF THUNDERSTORMS WILL BE THIS MORNING...THERE WILL
CONTINUE TO BE A CHANCE OF THUNDERSTORMS THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF THUNDERSTORMS TUESDAY THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

NDZ013-019>023-025-034>037-042-045>048-050-051-300930-
PIERCE-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS-FOSTER-MORTON-BURLEIGH-
KIDDER-STUTSMAN-GRANT-SIOUX-EMMONS-LOGAN-LA MOURE-MCINTOSH-DICKEY-
430 AM CDT SAT MAY 29 2010 /330 AM MDT SAT MAY 29 2010/

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS CAN BE EXPECTED TODAY AND TONIGHT AS A
LOW PRESSURE SYSTEM MOVES THROUGH THE AREA. SOME THUNDERSTORMS
COULD BE SEVERE WITH HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF THUNDERSTORMS TUESDAY THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

NDZ018-032-033-040-041-043-044-300930-
DUNN-BILLINGS-STARK-SLOPE-HETTINGER-BOWMAN-ADAMS-
430 AM CDT SAT MAY 29 2010 /330 AM MDT SAT MAY 29 2010/

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS CAN BE EXPECTED TODAY AND TONIGHT AS A
LOW PRESSURE SYSTEM MOVES THROUGH THE AREA. SOME THUNDERSTORMS
COULD BE SEVERE WITH HEAVY RAIN THIS MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE OF THUNDERSTORMS TUESDAY THROUGH FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, May 29, 12:59 PM CDT, 5 hours 22 minutes before

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Local storm report, May 29, 1:49 PM CDT, 4 hours 32 minutes before

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Local storm report, May 29, 4:08 PM CDT, 2 hours 13 minutes before

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Local storm report, May 29, 4:17 PM CDT, 2 hours 4 minutes before

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Local storm report, May 29, 5:25 PM CDT, 56 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 1:54 AM CDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	66 min
May 29, 2:30 AM CDT	Flash Flood Warning	BIS	Golden Valley, McKenzie	5 hr
May 29, 3:00 AM CDT	Severe Thunderstorm Warning	BIS	Billings, McKenzie	60 min
May 29, 3:09 AM CDT	Severe Thunderstorm Warning	BIS	Williams	66 min
May 29, 3:17 AM CDT	Flash Flood Warning	BIS	McKenzie, Williams	4 hr
May 29, 3:40 AM CDT	Severe Thunderstorm Warning	BIS	Divide	65 min
May 29, 3:56 AM CDT	Severe Thunderstorm Warning	BIS	Burke, Mountrail, Williams	64 min
May 29, 4:22 AM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Renville, Ward	38 min
May 29, 4:52 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville, Ward	38 min
May 29, 5:41 AM CDT	Flash Flood Warning	BIS	McKenzie, Mountrail	4 hr
May 29, 6:01 AM CDT	Flash Flood Warning	BIS	Bottineau, Renville, Ward	4 hr
May 29, 6:16 AM CDT	Severe Thunderstorm Warning	BIS	Rolette	29 min
May 29, 6:27 AM CDT	Severe Thunderstorm Warning	BIS	Burke, Mountrail, Renville, Ward	48 min
May 29, 6:58 AM CDT	Flash Flood Warning	BIS	Renville, Ward	4 hr
May 29, 7:14 AM CDT	Severe Thunderstorm Warning	BIS	Renville	61 min
May 29, 11:26 AM CDT	Severe Thunderstorm Warning	BIS	Renville	34 min
May 29, 11:50 AM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Ward	40 min
May 29, 12:05 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Renville, Ward	55 min
May 29, 12:55 PM CDT	River Flood Warning	BIS	Williams	27 hr
May 29, 12:59 PM CDT	Flash Flood Warning	BIS	Bottineau, Mountrail, Renville, Ward	6 hr

Nearby

Severe Thunderstorm Warnings in North Dakota, 2010 Every severe thunderstorm warning in 2010

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.