Alert archive / Minnesota / Tornado Watches in 2002

Tornado Watch 570

August 3, 200248 counties in Minnesota; 22 counties in South Dakota; Burnett County, Polk County, Saint Croix County, Wisconsin

The Storm Prediction Center issued this tornado watch at Aug 3, 2002, 3:00 PM CDT for 48 counties in Minnesota; 22 counties in South Dakota; Burnett County, Polk County, Saint Croix County, Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Aug 3, 2002, 3:00 PM CDT (20:00 UTC)
Expired: Aug 3, 2002, 9:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 73 counties

Anoka County, MN, Benton County, MN, Big Stone County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Cottonwood County, MN, Dakota County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Traverse County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Aurora County, SD, Beadle County, SD, Brookings County, SD, Clark County, SD, Codington County, SD, Davison County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Hanson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Marshall County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD, Burnett County, WI, Polk County, WI, Saint Croix County, WI

The radar

The Sioux Falls radar (KFSD), 108 km from the middle of the area, began a volume at 20:04 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

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

Issued	Product	Office	Counties	Lasted
Aug 3, 3:25 PM CDT	Severe Thunderstorm Warning	MPX	Anoka	50 min
Aug 3, 3:54 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Washington	51 min
Aug 3, 4:01 PM CDT	Severe Thunderstorm Warning	FSD	Beadle	44 min
Aug 3, 4:07 PM CDT	Severe Thunderstorm Warning	MPX	Polk, Saint Croix	53 min
Aug 3, 4:11 PM CDT	Severe Thunderstorm Warning	ABR	Clark, Hamlin	49 min
Aug 3, 4:13 PM CDT	Severe Thunderstorm Warning	FSD	Miner	32 min
Aug 3, 4:26 PM CDT	Severe Thunderstorm Warning	FSD	Davison, Sanborn	44 min
Aug 3, 4:33 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln	27 min
Aug 3, 4:36 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	39 min
Aug 3, 4:42 PM CDT	Severe Thunderstorm Warning	FSD	Pipestone	48 min
Aug 3, 4:42 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	33 min
Aug 3, 4:45 PM CDT	Severe Thunderstorm Warning	FSD	Beadle	30 min
Aug 3, 4:48 PM CDT	Severe Thunderstorm Warning	ABR	Codington	27 min
Aug 3, 5:01 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	44 min
Aug 3, 5:09 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle	51 min
Aug 3, 5:10 PM CDT	Tornado Warning	FSD	Lincoln	20 min
Aug 3, 5:12 PM CDT	Severe Thunderstorm Warning	FSD	Lake	38 min
Aug 3, 5:13 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Wright	47 min
Aug 3, 5:15 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	60 min
Aug 3, 5:15 PM CDT	Severe Thunderstorm Warning	FSD	Brookings	45 min
Aug 3, 5:23 PM CDT	Tornado Warning	MPX	Chisago	37 min
Aug 3, 5:25 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln	35 min
Aug 3, 5:29 PM CDT	Severe Thunderstorm Warning	FSD	Pipestone	16 min
Aug 3, 5:32 PM CDT	Severe Thunderstorm Warning	MPX	Swift	58 min
Aug 3, 5:32 PM CDT	Severe Thunderstorm Warning	FSD	Hanson	43 min
Aug 3, 5:40 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	50 min
Aug 3, 5:46 PM CDT	Severe Thunderstorm Warning	FSD	Moody	44 min
Aug 3, 5:49 PM CDT	Severe Thunderstorm Warning	MPX	Carver	51 min
Aug 3, 5:57 PM CDT	Tornado Warning	MPX	Polk	33 min
Aug 3, 6:09 PM CDT	Severe Thunderstorm Warning	MPX	Anoka	36 min
Aug 3, 6:15 PM CDT	Tornado Warning	MPX	Carver, Scott, Sibley	45 min
Aug 3, 6:21 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Pipestone	24 min
Aug 3, 6:27 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	48 min
Aug 3, 6:32 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	43 min
Aug 3, 6:32 PM CDT	Severe Thunderstorm Warning	MPX	Redwood	58 min
Aug 3, 6:36 PM CDT	Severe Thunderstorm Warning	FSD	Murray	24 min
Aug 3, 6:36 PM CDT	Flash Flood Warning	MPX	Yellow Medicine	3 hr
Aug 3, 6:37 PM CDT	Severe Thunderstorm Warning	FSD	Minnehaha	28 min
Aug 3, 6:49 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	41 min
Aug 3, 6:53 PM CDT	Severe Thunderstorm Warning	MPX	Pierce, Saint Croix	37 min
Aug 3, 7:24 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice, Scott	36 min
Aug 3, 7:26 PM CDT	Flash Flood Warning	MPX	Carver, Dakota, Scott	4 hr
Aug 3, 7:49 PM CDT	Flash Flood Warning	MPX	Sibley	3 hr
Aug 3, 7:53 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet, Sibley, Watonwan	52 min
Aug 3, 8:18 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Scott	42 min
Aug 3, 8:50 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Rice, Steele, Waseca	55 min

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 8.0 hours before the alert went out and 180 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: 908 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 322 m²/s²
0-3 km storm-relative helicity: 548 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 3, 5:55 PM CDT	Severe Thunderstorm Watch	SPC	Dodge, Fillmore, Goodhue, Houston, Mower, Olmsted and 2 more	6 hr
Aug 3, 6:45 PM CDT	Tornado Watch	SPC	Blue Earth, Brown, Carver, Chippewa, Cottonwood, Dakota and 24 more	5 hr
Aug 3, 4:40 PM CDT	Severe Thunderstorm Watch	SPC	Bon Homme, Charles Mix, Clay, Douglas, Gregory, Hutchinson and 4 more	4 hr

Nearby

Tornado Watches in Minnesota, 2002 Tornado Watches in South Dakota, 2002 Tornado Watches in Wisconsin, 2002 Every tornado watch in 2002

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.