Alert archive / Wisconsin / Tornado Watches in 2013

Tornado Watch 185

May 19, 2013Kanabec County, Mille Lacs County, Pine County, Minnesota; 16 counties in Wisconsin

The Storm Prediction Center issued this tornado watch at May 19, 2013, 5:25 PM CDT for Kanabec County, Mille Lacs County, Pine County, Minnesota; 16 counties in Wisconsin. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 19, 2013, 5:25 PM CDT (22:25 UTC)
Expired
May 19, 2013, 10:13 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt

Counties Kanabec County, MN, Mille Lacs County, MN, Pine County, MN, Ashland County, WI, Barron County, WI, Burnett County, WI, Chippewa County, WI, Clark County, WI, Dunn County, WI, Eau Claire County, WI, Iron County, WI, Jackson County, WI, La Crosse County, WI, Price County, WI, Rusk County, WI, Sawyer County, WI, Taylor County, WI, Trempealeau County, WI, Washburn County, WI

The radar

The Minneapolis radar (KMPX), 139 km from the middle of the area, began a volume at 22:28 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.

What SPC expected

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

Two or more tornadoes
30%
One or more EF2 to EF5 tornadoes
10%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
5%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 19, 5:29 PM CDTSevere Thunderstorm WarningDLHSawyer46 min
May 19, 5:31 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau59 min
May 19, 5:51 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn, Polk, Saint Croix39 min
May 19, 5:59 PM CDTSevere Thunderstorm WarningDLHPine46 min
May 19, 6:02 PM CDTSevere Thunderstorm WarningDLHSawyer28 min
May 19, 6:18 PM CDTSevere Thunderstorm WarningDLHSawyer, Washburn42 min
May 19, 6:24 PM CDTSevere Thunderstorm WarningDLHBurnett, Sawyer, Washburn36 min
May 19, 6:26 PM CDTSevere Thunderstorm WarningMPXBarron, Polk, Rusk19 min
May 19, 6:27 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau33 min
May 19, 6:29 PM CDTSevere Thunderstorm WarningARXClark, Jackson, La Crosse, Trempealeau76 min
May 19, 6:34 PM CDTSevere Thunderstorm WarningDLHPine41 min
May 19, 6:36 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire39 min
May 19, 6:48 PM CDTSevere Thunderstorm WarningDLHBayfield, Douglas, Sawyer42 min
May 19, 7:05 PM CDTSevere Thunderstorm WarningDLHAshland, Bayfield, Burnett, Douglas, Sawyer, Washburn25 min
May 19, 7:13 PM CDTSevere Thunderstorm WarningDLHAitkin, Carlton, Crow Wing, Pine47 min
May 19, 7:36 PM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau54 min
May 19, 10:12 PM CDTSevere Thunderstorm WarningARXLa Crosse, Trempealeau, Vernon48 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.4 hours before the alert went out and 316 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, Green Bay/Straub, WI at 12:00Z on 2013-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 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, Green Bay/Straub, WI at 12:00Z on 2013-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
65 J/kg
Mixed-layer CIN
-210 J/kg
Mixed-layer LCL
924 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
32 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 18, 8:33 PM CDTMesoscale DiscussionSPCNobles, Rock117 min
May 18, 11:27 PM CDTMesoscale DiscussionSPCClay, Wilkin63 min
May 18, 11:49 PM CDTSevere Thunderstorm WatchSPCClay, Norman, Wilkin4 hr
May 19, 2:32 AM CDTMesoscale DiscussionSPCClay, Norman, Wilkin88 min
May 19, 11:30 AM CDTMesoscale DiscussionSPCBlue Earth, Brown, Carver, Dakota, Dodge, Faribault and 14 more90 min
May 19, 1:10 PM CDTTornado WatchSPCAnoka, Blue Earth, Brown, Carver, Chippewa, Chisago and 41 more8 hr
May 19, 5:04 PM CDTMesoscale DiscussionSPCAnoka, Benton, Big Stone, Blue Earth, Brown, Carver and 53 more56 min

Nearby

Tornado Watches in Wisconsin, 2013Tornado Watches in Minnesota, 2013Every tornado watch in 2013

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.