Alert archive / Minnesota / Tornado Watches in 1999

Tornado Watch 404

June 6, 199938 counties in Minnesota

The Storm Prediction Center issued this tornado watch at Jun 6, 1999, 2:00 PM CDT for 38 counties in Minnesota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 6, 1999, 2:00 PM CDT (19:00 UTC)
Expired
Jun 6, 1999, 7:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 38 counties

Aitkin County, MN, Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Crow Wing County, MN, Dakota County, MN, Dodge County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Mower County, MN, Nicollet County, MN, Ramsey County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Todd County, MN, Wadena County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 6, 2:34 PM CDTSevere Thunderstorm WarningMPXMorrison26 min
Jun 6, 2:59 PM CDTSevere Thunderstorm WarningMPXTodd31 min
Jun 6, 3:26 PM CDTSevere Thunderstorm WarningMPXMorrison, Stearns34 min
Jun 6, 3:48 PM CDTSevere Thunderstorm WarningMPXWright27 min
Jun 6, 3:53 PM CDTSevere Thunderstorm WarningFGFHubbard, Wadena32 min
Jun 6, 4:02 PM CDTSevere Thunderstorm WarningMPXFaribault28 min
Jun 6, 4:10 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Scott, Sibley35 min
Jun 6, 4:25 PM CDTSevere Thunderstorm WarningMPXCarver35 min
Jun 6, 4:39 PM CDTSevere Thunderstorm WarningDLHCrow Wing66 min
Jun 6, 4:49 PM CDTSevere Thunderstorm WarningMPXWright26 min
Jun 6, 4:53 PM CDTSevere Thunderstorm WarningDLHAitkin67 min
Jun 6, 5:11 PM CDTSevere Thunderstorm WarningMPXSherburne34 min
Jun 6, 5:12 PM CDTSevere Thunderstorm WarningARXMower63 min
Jun 6, 5:21 PM CDTSevere Thunderstorm WarningARXDodge, Olmsted64 min
Jun 6, 5:21 PM CDTSevere Thunderstorm WarningMPXScott24 min
Jun 6, 5:25 PM CDTSevere Thunderstorm WarningMPXMartin, Watonwan50 min
Jun 6, 5:28 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs47 min
Jun 6, 5:30 PM CDTSevere Thunderstorm WarningMPXMcLeod, Wright45 min
Jun 6, 5:37 PM CDTSevere Thunderstorm WarningMPXNicollet, Sibley38 min
Jun 6, 5:47 PM CDTTornado WarningMPXBenton, Sherburne, Stearns28 min
Jun 6, 5:51 PM CDTSevere Thunderstorm WarningDLHAitkin54 min
Jun 6, 6:02 PM CDTSevere Thunderstorm WarningMPXAnoka, Ramsey, Washington43 min
Jun 6, 6:17 PM CDTSevere Thunderstorm WarningMPXHennepin, McLeod, Sherburne, Wright43 min
Jun 6, 6:17 PM CDTSevere Thunderstorm WarningMPXSibley43 min
Jun 6, 6:17 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs43 min
Jun 6, 6:22 PM CDTSevere Thunderstorm WarningDLHAitkin68 min
Jun 6, 7:00 PM CDTSevere Thunderstorm WarningMPXKanabec30 min

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.0 hours before the alert went out and 69 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, Minneapolis, MN at 12:00Z on 1999-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1851 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, Minneapolis, MN at 12:00Z on 1999-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.1939587897117Sfc1 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
1851 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
752 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
2.7
Supercell composite
9.4

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.

IssuedProductOfficeCountiesLasted
Jun 5, 7:45 PM CDTTornado WatchSPCAnoka, Blue Earth, Carver, Chisago, Dakota, Dodge and 20 more6 hr
Jun 5, 9:00 PM CDTTornado WatchSPCBig Stone, Brown, Chippewa, Cottonwood, Jackson, Kandiyohi and 19 more5 hr
Jun 5, 9:45 PM CDTTornado WatchSPCFillmore, Freeborn, Houston, Mower, Winona4 hr
Jun 6, 2:00 AM CDTSevere Thunderstorm WatchSPCWabasha5 hr
Jun 6, 2:00 AM CDTSevere Thunderstorm WatchSPCBecker, Benton, Big Stone, Cass, Clay, Crow Wing and 20 more5 hr
Jun 6, 12:30 PM CDTTornado WatchSPCBecker, Beltrami, Cass, Clay, Clearwater, Hubbard and 10 more6 hr
Jun 6, 12:45 PM CDTSevere Thunderstorm WatchSPCFillmore, Houston, Wabasha, Winona5 hr
Jun 6, 5:15 PM CDTTornado WatchSPCAitkin, Anoka, Beltrami, Benton, Blue Earth, Carlton and 44 more7 hr

Nearby

Tornado Watches in Minnesota, 1999Every tornado watch in 1999

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.