Alert archive / North Dakota / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 52, NWS Grand Forks, ND

June 8, 2010Benson County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 8, 2010, 2:09 PM CDT for Benson County, North Dakota. It was in force for 66 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: Jun 8, 2010, 2:09 PM CDT (19:09 UTC)
Expired: Jun 8, 2010, 3:15 PM CDT
In force: 66 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Benson County, ND

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 7.2 hours before the alert went out and 452 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: 1783 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 20 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 Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 10:43 AM CDT, 3 hours 26 minutes earlier.

Area forecast discussion, Jun 8, 10:43 AM CDT, 3 hours 26 minutes before

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Hazardous weather outlook, Jun 8, 6:38 AM CDT, 7 hours 31 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND FORKS ND
638 AM CDT TUE JUN 8 2010

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-091345-
WEST POLK-NORMAN-CLAY-KITTSON-ROSEAU-LAKE OF THE WOODS-
WEST MARSHALL-EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE-
EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN-
SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WILKIN-
WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-TOWNER-CAVALIER-
PEMBINA-BENSON-RAMSEY-EASTERN WALSH COUNTY-EDDY-NELSON-
GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT-
RICHLAND-WESTERN WALSH COUNTY-
638 AM CDT TUE JUN 8 2010

...ISOLATED SEVERE STORMS POSSIBLE THIS AFTERNOON AND EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS WILL CONTINUE ACROSS THE REGION THIS MORNING. NO
HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. THIS AFTERNOON A COLD
FRONT WILL APPROACH THE REGION REACHING THE VALLEY REGION BY THIS
EVENING. THE AIRMASS AHEAD OF THIS FRONT WILL BECOME MODERATELY
UNSTABLE. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP NEAR OR
AFTER 2PM AND A FEW OF THESE STORMS MAY BECOME SEVERE GENERALLY
ALONG AND WEST OF THE VALLEY. THE PRIMARY HAZARD WILL BE DAMAGING
WINDS AND LARGE HAIL. THE FAVORED LOCATION FOR STRONG
THUNDERSTORMS TONIGHT WILL BE ALONG AND EAST OF THE VALLEY. ANY
STORMS SHOULD WEAKEN BELOW SEVERE LIMITS AROUND SUNSET.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

CHANCES FOR SHOWERS AND THUNDERSTORMS WILL RETURN THURSDAY AND
COULD CONTINUE INTO THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING.

VOELKER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 5:03 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	57 min
Jun 8, 5:11 PM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman	64 min
Jun 8, 5:19 PM CDT	Tornado Warning	FGF	Kittson, Marshall	56 min
Jun 8, 2:59 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey, Towner	50 min
Jun 8, 3:08 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Ramsey, Walsh	52 min
Jun 8, 3:15 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	60 min
Jun 8, 3:18 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	57 min
Jun 8, 3:59 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Ramsey, Walsh	61 min
Jun 8, 4:23 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Griggs, Nelson, Steele, Traill	67 min

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.