Alert archive / Minnesota / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 499

June 19, 200513 counties in Minnesota; 9 counties in North Dakota; Marshall County, South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 19, 2005, 3:30 PM CDT for 13 counties in Minnesota; 9 counties in North Dakota; Marshall County, South Dakota. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Jun 19, 2005, 3:30 PM CDT (20:30 UTC)
Expired: Jun 19, 2005, 11:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center

All 23 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, Barnes County, ND, Cass County, ND, Grand Forks County, ND, Griggs County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Traill County, ND, Marshall County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 36 km from the middle of the area, began a volume at 20:30 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

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

Issued	Product	Office	Counties	Lasted
Jun 19, 3:53 PM CDT	Tornado Warning	FGF	Grand Forks, Walsh	67 min
Jun 19, 4:20 PM CDT	Tornado Warning	FGF	Marshall	55 min
Jun 19, 4:35 PM CDT	Tornado Warning	FGF	Polk	55 min
Jun 19, 5:52 PM CDT	Severe Thunderstorm Warning	FGF	Roseau	54 min
Jun 19, 6:20 PM CDT	Tornado Warning	FGF	Grand Forks	40 min
Jun 19, 6:27 PM CDT	Tornado Warning	FGF	Polk	64 min
Jun 19, 6:37 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall	54 min
Jun 19, 8:22 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami	53 min
Jun 19, 10:32 PM CDT	Flash Flood Warning	FGF	Beltrami	10 hr

Discussions around it

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

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 8.5 hours before the alert went out and 288 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: 15 J/kg
Mixed-layer CIN: -528 J/kg
Mixed-layer LCL: 1414 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 77 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.

Issued	Product	Office	Counties	Lasted
Jun 19, 3:23 PM CDT	Mesoscale Discussion	SPC	Beltrami, Clearwater, Kittson, Lake of the Woods, Marshall, Norman and 4 more	97 min
Jun 18, 9:16 PM CDT	Mesoscale Discussion	SPC	Adams, Billings, Bottineau, Bowman, Burleigh, Dunn and 16 more	119 min
Jun 18, 10:10 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Billings, Bowman, Dunn, Golden Valley, Hettinger and 5 more	7 hr
Jun 19, 1:35 AM CDT	Mesoscale Discussion	SPC	Adams, Benson, Billings, Bowman, Burleigh, Cavalier and 31 more	85 min
Jun 19, 1:50 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Benson, Bottineau, Burleigh, Emmons, Grant and 15 more	6 hr
Jun 19, 3:32 AM CDT	Mesoscale Discussion	SPC	McLean	88 min
Jun 19, 5:07 AM CDT	Mesoscale Discussion	SPC	Benson, Cavalier, Pembina, Ramsey, Towner, Walsh	83 min
Jun 19, 3:57 PM CDT	Mesoscale Discussion	SPC	Dickey, Emmons, LaMoure, Logan, McIntosh, Sioux and 1 more	2 hr
Jun 19, 5:03 PM CDT	Mesoscale Discussion	SPC	Butte, Custer, Lawrence, Meade, Pennington	2 hr

Nearby

Severe Thunderstorm Watches in Minnesota, 2005 Severe Thunderstorm Watches in North Dakota, 2005 Severe Thunderstorm Watches in South Dakota, 2005 Every severe thunderstorm watch in 2005

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.