Alert archive / North Dakota / Tornado Watches in 2010

Tornado Watch 215

May 24, 201013 counties in Minnesota; 30 counties in North Dakota

The Storm Prediction Center issued this tornado watch at May 24, 2010, 2:03 PM CDT for 13 counties in Minnesota; 30 counties in North Dakota. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
May 24, 2010, 2:03 PM CDT (19:03 UTC)
Expired
May 24, 2010, 10:00 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
60 kt
All 43 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wilkin County, MN, Adams County, ND, Barnes County, ND, Benson County, ND, Burleigh County, ND, Cass County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grand Forks County, ND, Grant County, ND, Griggs County, ND, Hettinger County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Morton County, ND, Nelson County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Sheridan County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Walsh County, ND, Wells County, ND

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
60%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

51 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 24, 2:04 PM CDTTornado WarningBISLaMoure, Logan, McIntosh26 min
May 24, 2:20 PM CDTTornado WarningFGFKittson, Marshall25 min
May 24, 2:26 PM CDTTornado WarningFGFBarnes, Ransom64 min
May 24, 2:27 PM CDTTornado WarningBISLaMoure, Logan23 min
May 24, 2:44 PM CDTTornado WarningFGFMarshall61 min
May 24, 3:04 PM CDTSevere Thunderstorm WarningFGFNorman, Polk56 min
May 24, 3:24 PM CDTTornado WarningFGFNorman, Polk42 min
May 24, 3:28 PM CDTTornado WarningFGFBarnes, Griggs, Steele62 min
May 24, 3:56 PM CDTFlash Flood WarningFGFBarnes15 hr
May 24, 4:11 PM CDTSevere Thunderstorm WarningFGFMarshall, Pennington, Polk, Red Lake64 min
May 24, 4:18 PM CDTTornado WarningFGFBarnes, Cass, Steele, Traill42 min
May 24, 4:37 PM CDTSevere Thunderstorm WarningBISAdams38 min
May 24, 4:43 PM CDTSevere Thunderstorm WarningFGFPolk62 min
May 24, 4:50 PM CDTTornado WarningBISAdams25 min
May 24, 5:06 PM CDTSevere Thunderstorm WarningFGFMarshall, Norman, Pennington, Polk, Red Lake54 min
May 24, 5:10 PM CDTSevere Thunderstorm WarningBISAdams, Hettinger50 min
May 24, 5:15 PM CDTTornado WarningBISAdams, Hettinger30 min
May 24, 5:19 PM CDTSevere Thunderstorm WarningFGFNorman41 min
May 24, 5:25 PM CDTSevere Thunderstorm WarningFGFKittson, Marshall43 min
May 24, 5:33 PM CDTSevere Thunderstorm WarningBISAdams57 min
May 24, 5:34 PM CDTSevere Thunderstorm WarningFGFMarshall, Pennington, Polk56 min
May 24, 5:42 PM CDTSevere Thunderstorm WarningFGFNorman, Polk, Red Lake48 min
May 24, 5:42 PM CDTFlash Flood WarningBISLaMoure, Stutsman4 hr
May 24, 5:44 PM CDTSevere Thunderstorm WarningFGFCass, Traill31 min
May 24, 5:49 PM CDTFlash Flood WarningFGFKittson, Marshall, Pennington, Polk, Red Lake, Roseau13 hr
May 24, 5:54 PM CDTTornado WarningBISHettinger, Stark36 min
May 24, 6:06 PM CDTSevere Thunderstorm WarningBISDickey, LaMoure, Logan, McIntosh, Stutsman54 min
May 24, 6:07 PM CDTSevere Thunderstorm WarningBISAdams, Grant, Hettinger53 min
May 24, 6:09 PM CDTSevere Thunderstorm WarningFGFNorman, Polk, Red Lake34 min
May 24, 6:09 PM CDTSevere Thunderstorm WarningBISLaMoure, Stutsman51 min
May 24, 6:19 PM CDTSevere Thunderstorm WarningFGFBeltrami, Lake of the Woods, Marshall, Roseau41 min
May 24, 6:20 PM CDTSevere Thunderstorm WarningFGFCass, Traill40 min
May 24, 6:33 PM CDTSevere Thunderstorm WarningBISDunn, Grant, Hettinger, Mercer, Morton, Oliver and 2 more57 min
May 24, 6:42 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Marshall, Pennington, Polk, Red Lake63 min
May 24, 6:46 PM CDTTornado WarningBISMorton, Stark15 min
May 24, 6:48 PM CDTSevere Thunderstorm WarningBISFoster, Stutsman27 min
May 24, 6:54 PM CDTSevere Thunderstorm WarningFGFBeltrami, Lake of the Woods, Roseau66 min
May 24, 7:10 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Steele28 min
May 24, 7:14 PM CDTSevere Thunderstorm WarningBISBurleigh, McLean, Mercer, Morton, Oliver61 min
May 24, 7:28 PM CDTTornado WarningBISMorton32 min
May 24, 7:34 PM CDTFlash Flood WarningFGFMarshall, Pennington, Polk, Red Lake11 hr
May 24, 7:35 PM CDTTornado WarningFGFBeltrami, Clearwater, Lake of the Woods55 min
May 24, 7:43 PM CDTTornado WarningBISBurleigh, Morton, Oliver32 min
May 24, 7:43 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Grand Forks, Griggs, Nelson, Steele and 1 more47 min
May 24, 7:47 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Lake of the Woods, Marshall, Pennington58 min
May 24, 8:32 PM CDTSevere Thunderstorm WarningBISBurleigh, Emmons, Kidder44 min
May 24, 8:43 PM CDTSevere Thunderstorm WarningFGFLake of the Woods30 min
May 24, 8:52 PM CDTSevere Thunderstorm WarningBISBurleigh, Emmons, Kidder, Logan, McIntosh53 min
May 24, 9:04 PM CDTSevere Thunderstorm WarningBISMcLean, Sheridan, Wells56 min
May 24, 9:23 PM CDTSevere Thunderstorm WarningBISDickey, Foster, LaMoure, Logan, McIntosh, Stutsman52 min
May 24, 9:50 PM CDTSevere Thunderstorm WarningFGFBenson, Cavalier, Eddy, Ramsey, Towner55 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.1 hours before the alert went out and 119 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-pSkew-T log-p diagram, Bismarck Municip, ND at 12:00Z on 2010-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2010-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 230 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
953 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
230 m²/s²
0-3 km storm-relative helicity
651 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 9:11 PM CDTMesoscale DiscussionSPCBenton, Carlton, Kanabec, Lake, McLeod, Meeker and 3 more64 min
May 24, 1:37 AM CDTMesoscale DiscussionSPCBig Stone, Grant, Lac qui Parle, Otter Tail, Stevens, Traverse and 1 more83 min
May 24, 2:00 AM CDTSevere Thunderstorm WatchSPCBecker, Big Stone, Clay, Clearwater, Grant, Hubbard and 7 more7 hr
May 24, 4:21 AM CDTMesoscale DiscussionSPCBecker, Beltrami, Big Stone, Cass, Clay, Clearwater and 14 more54 min
May 24, 7:50 AM CDTMesoscale DiscussionSPCBecker, Beltrami, Cass, Clearwater, Hubbard, Itasca and 5 more55 min
May 24, 1:37 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Clay, Clearwater, Mahnomen, Marshall and 4 more53 min
May 24, 2:33 PM CDTTornado WatchSPCBig Stone, Traverse5 hr
May 24, 6:06 AM CDTMesoscale DiscussionSPCAdams, Bowman, Emmons, Grant, Hettinger, Logan and 3 more114 min

Nearby

Tornado Watches in North Dakota, 2010Tornado Watches in Minnesota, 2010Every tornado watch 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.