Alert archive / Minnesota / Severe Thunderstorm Watches in 2006

Severe Thunderstorm Watch 596

July 13, 200652 counties in Minnesota; 6 counties in North Dakota; 5 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 13, 2006, 2:25 PM CDT for 52 counties in Minnesota; 6 counties in North Dakota; 5 counties in South Dakota. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Jul 13, 2006, 2:25 PM CDT (19:25 UTC)
Expired
Jul 13, 2006, 10:00 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
All 63 counties

Becker County, MN, Beltrami County, MN, Big Stone County, MN, Brown County, MN, Carver County, MN, Cass County, MN, Chippewa County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Dakota County, MN, Douglas County, MN, Grant County, MN, Hennepin County, MN, Hubbard County, MN, Itasca County, MN, Kandiyohi County, MN, Kittson County, MN, Koochiching County, MN, Lac qui Parle County, MN, Lake of the Woods County, MN, Le Sueur County, MN, Mahnomen County, MN, Marshall County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Morrison County, MN, Nicollet County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Pope County, MN, Ramsey County, MN, Red Lake County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Roseau County, MN, Scott County, MN, Sibley County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wadena County, MN, Watonwan County, MN, Wilkin County, MN, Wright County, MN, Yellow Medicine County, MN, Cass County, ND, Grand Forks County, ND, Pembina County, ND, Richland County, ND, Traill County, ND, Walsh County, ND, Codington County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Roberts County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 104 km from the middle of the area, began a volume at 19:25 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 13, 3:09 PM CDTSevere Thunderstorm WarningABRBig Stone36 min
Jul 13, 3:09 PM CDTSevere Thunderstorm WarningMPXLac qui Parle66 min
Jul 13, 3:21 PM CDTSevere Thunderstorm WarningMPXStevens, Swift54 min
Jul 13, 3:40 PM CDTSevere Thunderstorm WarningFGFBeltrami, Hubbard52 min
Jul 13, 3:45 PM CDTSevere Thunderstorm WarningABRBig Stone30 min
Jul 13, 3:58 PM CDTSevere Thunderstorm WarningDLHCass32 min
Jul 13, 4:10 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine65 min
Jul 13, 4:27 PM CDTSevere Thunderstorm WarningDLHCass, Itasca32 min
Jul 13, 5:03 PM CDTSevere Thunderstorm WarningFGFBecker57 min
Jul 13, 5:12 PM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle63 min
Jul 13, 5:13 PM CDTSevere Thunderstorm WarningABRTraverse51 min
Jul 13, 5:18 PM CDTFlash Flood WarningABRBig Stone3 hr
Jul 13, 5:21 PM CDTFlash Flood WarningMPXChippewa, Lac qui Parle, Swift3 hr
Jul 13, 5:53 PM CDTSevere Thunderstorm WarningMPXYellow Medicine67 min
Jul 13, 6:02 PM CDTSevere Thunderstorm WarningFGFBecker, Mahnomen33 min
Jul 13, 6:13 PM CDTSevere Thunderstorm WarningMPXChippewa50 min
Jul 13, 6:37 PM CDTSevere Thunderstorm WarningMPXRenville53 min
Jul 13, 7:32 PM CDTSevere Thunderstorm WarningDLHKoochiching32 min
Jul 13, 7:43 PM CDTSevere Thunderstorm WarningMPXMcLeod62 min
Jul 13, 7:53 PM CDTSevere Thunderstorm WarningMPXCarver, Wright52 min
Jul 13, 8:21 PM CDTSevere Thunderstorm WarningMPXHennepin, Scott54 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

Aberdeen, SD (KABR), launched 12:00Z, 7.4 hours before the alert went out and 318 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, Aberdeen, SD at 12:00Z on 2006-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1529 joules per kilogram.LCLLFCEL10008507005003002001001 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, Aberdeen, SD at 12:00Z on 2006-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.193958Sfc1 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
1529 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
1146 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
148 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
Jul 13, 12:21 PM CDTSevere Thunderstorm WatchSPCCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more10 hr
Jul 13, 1:51 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Big Stone, Chippewa, Clay, Clearwater and 21 more114 min
Jul 13, 5:27 PM CDTMesoscale DiscussionSPCAitkin, Becker, Beltrami, Benton, Big Stone, Cass and 33 more93 min
Jul 13, 11:47 AM CDTMesoscale DiscussionSPCBeadle, Bon Homme, Charles Mix, Clay, Davison, Douglas and 13 more118 min

Nearby

Severe Thunderstorm Watches in Minnesota, 2006Severe Thunderstorm Watches in North Dakota, 2006Severe Thunderstorm Watches in South Dakota, 2006Every severe thunderstorm watch in 2006

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.