Alert archive / Minnesota / Tornado Watches in 2001

Tornado Watch 568

July 17, 200129 counties in Minnesota

The Storm Prediction Center issued this tornado watch at Jul 17, 2001, 7:00 PM CDT for 29 counties in Minnesota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jul 17, 2001, 7:00 PM CDT (00:00 UTC)
Expired: Jul 18, 2001, 12:00 AM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 29 counties

Aitkin County, MN, Becker County, MN, Beltrami County, MN, Carlton County, MN, Cass County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Douglas County, MN, Grant County, MN, Hubbard County, MN, Itasca County, MN, Kanabec County, MN, Koochiching County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Mille Lacs County, MN, Morrison County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Pine County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Todd County, MN, Wadena County, MN, Wilkin County, MN

The radar

The Duluth radar (KDLH), 182 km from the middle of the area, began a volume at 00:00 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

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

Issued	Product	Office	Counties	Lasted
Jul 17, 7:02 PM CDT	Tornado Warning	FGF	Beltrami	28 min
Jul 17, 7:03 PM CDT	Tornado Warning	DLH	Itasca, Koochiching	42 min
Jul 17, 7:14 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods	61 min
Jul 17, 7:16 PM CDT	Tornado Warning	FGF	Wadena	29 min
Jul 17, 7:32 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami	43 min
Jul 17, 7:45 PM CDT	Tornado Warning	DLH	Cass	45 min
Jul 17, 8:10 PM CDT	Tornado Warning	FGF	Wilkin	35 min
Jul 17, 8:10 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	35 min
Jul 17, 8:15 PM CDT	Severe Thunderstorm Warning	FGF	Hubbard	60 min
Jul 17, 8:18 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods	57 min
Jul 17, 8:22 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Otter Tail	53 min
Jul 17, 8:29 PM CDT	Tornado Warning	DLH	Cass	31 min
Jul 17, 8:37 PM CDT	Tornado Warning	MPX	Morrison	23 min
Jul 17, 8:42 PM CDT	Severe Thunderstorm Warning	FGF	Wilkin	48 min
Jul 17, 8:45 PM CDT	Severe Thunderstorm Warning	DLH	Crow Wing	30 min
Jul 17, 8:57 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	48 min
Jul 17, 9:11 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	49 min
Jul 17, 9:16 PM CDT	Severe Thunderstorm Warning	DLH	Cass	59 min
Jul 17, 9:34 PM CDT	Severe Thunderstorm Warning	DLH	Crow Wing	56 min
Jul 17, 9:53 PM CDT	Tornado Warning	DLH	Cass	52 min
Jul 17, 9:59 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	31 min
Jul 17, 10:05 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Todd	40 min
Jul 17, 10:24 PM CDT	Severe Thunderstorm Warning	DLH	Aitkin	66 min
Jul 17, 10:25 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Mille Lacs	50 min
Jul 17, 10:31 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec	44 min
Jul 17, 10:49 PM CDT	Severe Thunderstorm Warning	DLH	Pine	56 min
Jul 17, 11:00 PM CDT	Severe Thunderstorm Warning	FGF	Wilkin	30 min

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 0.0 hours before the alert went out and 120 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: 2282 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 878 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 9:30 PM CDT	Severe Thunderstorm Watch	SPC	Anoka, Benton, Big Stone, Carver, Chippewa, Chisago and 27 more	6 hr
Jul 18, 4:00 PM CDT	Tornado Watch	SPC	Clay, Kittson, Marshall, Norman, Pennington, Polk and 2 more	6 hr
Jul 18, 6:30 PM CDT	Tornado Watch	SPC	Beltrami, Clearwater, Itasca, Koochiching, Lake of the Woods, Roseau	4 hr

Nearby

Tornado Watches in Minnesota, 2001 Every tornado watch in 2001

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.