Alert archive / Minnesota / Tornado Watches in 2000

Tornado Watch 548

July 7, 200057 counties in Minnesota; Traill County, North Dakota; Pierce County, Saint Croix County, Wisconsin

The Storm Prediction Center issued this tornado watch at Jul 7, 2000, 12:00 PM CDT for 57 counties in Minnesota; Traill County, North Dakota; Pierce County, Saint Croix County, Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 7, 2000, 12:00 PM CDT (17:00 UTC)
Expired
Jul 7, 2000, 6:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 60 counties

Anoka County, MN, Becker County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Cass County, MN, Chisago County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Dakota County, MN, Dodge County, MN, Douglas County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Grant County, MN, Hennepin County, MN, Houston County, MN, Hubbard County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Le Sueur County, MN, Mahnomen County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Mower County, MN, Nicollet County, MN, Norman County, MN, Olmsted County, MN, Otter Tail County, MN, Polk County, MN, Pope 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, Stevens County, MN, Swift County, MN, Todd County, MN, Wabasha County, MN, Wadena County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wilkin County, MN, Winona County, MN, Wright County, MN, Traill County, ND, Pierce County, WI, Saint Croix County, WI

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 7, 12:14 PM CDTSevere Thunderstorm WarningMPXGoodhue46 min
Jul 7, 12:15 PM CDTSevere Thunderstorm WarningARXWabasha60 min
Jul 7, 12:15 PM CDTSevere Thunderstorm WarningFGFSteele, Traill45 min
Jul 7, 12:19 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Pennington31 min
Jul 7, 12:30 PM CDTFlash Flood WarningFGFPennington, Polk, Red Lake4 hr
Jul 7, 12:51 PM CDTSevere Thunderstorm WarningFGFPolk29 min
Jul 7, 12:58 PM CDTSevere Thunderstorm WarningARXWinona62 min
Jul 7, 1:19 PM CDTSevere Thunderstorm WarningFGFPolk46 min
Jul 7, 1:59 PM CDTSevere Thunderstorm WarningARXWabasha, Winona61 min
Jul 7, 5:23 PM CDTSevere Thunderstorm WarningFGFWilkin32 min
Jul 7, 5:32 PM CDTSevere Thunderstorm WarningFGFOtter Tail43 min

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 5.0 hours before the alert went out and 185 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 2000-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2000-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 square meters per square second.19395878Sfc1 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
50 J/kg
Mixed-layer CIN
-428 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
367 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS9 KMKC 071645
MKC WW 071639
MNZ000-NDZ000-072300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 548
STORM PREDICTION CENTER NORMAN OK
1139 AM CDT FRI JUL 7 2000

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   MINNESOTA                          
   EASTERN NORTH DAKOTA                       

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM NOON CDT UNTIL 600
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST
OF A LINE FROM 65 MILES NORTH NORTHEAST OF FARGO NORTH DAKOTA TO 30
MILES SOUTH SOUTHWEST OF ROCHESTER MINNESOTA.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.


DISCUSSION...STRONG/SEVERE THUNDERSTORMS RAPIDLY DEVELOPING ACROSS
ERN ND AND SERN MN AS VERY UNSTABLE AIRMASS IS LIFTED ACROSS WARM
FRONTAL ZONE AND CONVECTIVE BOUNDARIES ACROSS MN.  WITH CAPES TO
4000 J/KG AND FAVORABLE VEERING SHEAR PROFILES...SUPERCELLS AND
ISOLATED TORNADOES ARE LIKELY...PARTICULARLY VICINITY BOUNDARIES. 
STORMS WILL PROPAGATE SEWD WITH BOW ECHO DEVELOPMENT ENHANCING WIND
DAMAGE POTENTIAL.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. 
MEAN STORM MOTION VECTOR 31030.


...HALES

;474,0944 433,0911 433,0941 474,0975;

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 9:00 PM CDTSevere Thunderstorm WatchSPCKittson6 hr
Jul 7, 6:00 PM CDTTornado WatchSPCAnoka, Benton, Big Stone, Carver, Chippewa, Clay and 29 more6 hr
Jul 6, 7:30 PM CDTTornado WatchSPCAdams, Billings, Bottineau, Bowman, Burke, Burleigh and 21 more6 hr

Nearby

Tornado Watches in Minnesota, 2000Tornado Watches in Wisconsin, 2000Tornado Watches in North Dakota, 2000Every tornado watch in 2000

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.