Alert archive / Minnesota / Tornado Warnings in 2000

Tornado Warning 7, NWS Grand Forks, ND

June 12, 2000Polk County, Minnesota; Grand Forks County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 12, 2000, 9:18 PM CDT for Polk County, Minnesota; Grand Forks County, North Dakota. It was in force for 32 min. 5 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jun 12, 2000, 9:18 PM CDT (02:18 UTC)
Expired
Jun 12, 2000, 9:50 PM CDT
In force
32 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Polk County, MN, Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 53 km from the middle of the area, began a volume at 02:18 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 was reported inside it

TimeReportWhereRemark
Jun 12, 9:30 PM CDTHail 1East Grand Forks, MN
Jun 12, 9:31 PM CDTHail 1Grand Forks Arpt, ND
Jun 12, 9:40 PM CDTHail 1.75Grand Forks, ND
Jun 12, 9:45 PM CDTThunderstorm WindGrand Forks, NDHigh winds tore the roof off a metal building. The roof fell and damaged several parked cars and another building.
Jun 12, 9:50 PM CDTThunderstorm Wind 70 EEast Grand Forks, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 12, 4:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 2.3 hours before the alert went out and 294 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, International Fa, MN at 00:00Z on 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, International Fa, MN at 00:00Z on 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1702 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 130219
TORFAR
MNC119-NDC035-130250-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
918 PM CDT MON JUN 12 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL AND EASTERN GRAND FORKS COUNTY IN NORTHEAST NORTH 
DAKOTA    
  NORTHWESTERN POLK COUNTY IN NORTHWEST MINNESOTA

* UNTIL 950 PM CDT

* AT 913 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 8 MILES WEST OF GRAND FORKS...MOVING NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  GRAND FORKS AT 925 PM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO
ABANDON CARS AND MOBILE HOMEgS FOR A STURDY BUILDING.

LAT...LON 4802 9737 4786 9724 4797 9685 4812 9708

NNNN

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 8:52 PM CDTSevere Thunderstorm WarningFGFPolk48 min
Jun 12, 9:46 PM CDTTornado WarningFGFPolk29 min
Jun 12, 7:23 PM CDTTornado WarningFGFGrand Forks32 min
Jun 12, 7:25 PM CDTSevere Thunderstorm WarningFGFNelson30 min
Jun 12, 7:53 PM CDTSevere Thunderstorm WarningFGFNelson47 min
Jun 12, 7:55 PM CDTTornado WarningFGFGrand Forks30 min
Jun 12, 8:12 PM CDTSevere Thunderstorm WarningFGFGrand Forks33 min
Jun 12, 8:25 PM CDTSevere Thunderstorm WarningFGFEddy30 min
Jun 12, 8:39 PM CDTSevere Thunderstorm WarningFGFNelson46 min
Jun 12, 8:43 PM CDTSevere Thunderstorm WarningFGFGrand Forks47 min
Jun 12, 8:54 PM CDTSevere Thunderstorm WarningFGFEddy31 min
Jun 12, 9:23 PM CDTSevere Thunderstorm WarningFGFNelson32 min
Jun 12, 9:54 PM CDTSevere Thunderstorm WarningFGFGrand Forks46 min
Jun 12, 9:59 PM CDTSevere Thunderstorm WarningFGFEddy, Nelson31 min
Jun 12, 10:37 PM CDTSevere Thunderstorm WarningFGFGrand Forks28 min
Jun 12, 10:40 PM CDTSevere Thunderstorm WarningFGFNelson30 min
Jun 12, 10:43 PM CDTFlash Flood WarningFGFGrand Forks, Nelson2 hr
Jun 12, 11:06 PM CDTSevere Thunderstorm WarningFGFGrand Forks44 min
Jun 12, 11:48 PM CDTSevere Thunderstorm WarningFGFGrand Forks42 min
Jun 13, 12:01 AM CDTSevere Thunderstorm WarningFGFNelson44 min
Jun 13, 12:18 AM CDTSevere Thunderstorm WarningFGFGriggs32 min
Jun 13, 12:40 AM CDTFlash Flood WarningFGFEddy, Grand Forks, Nelson6 hr
Jun 13, 12:44 AM CDTSevere Thunderstorm WarningFGFGrand Forks, Steele46 min
Jun 13, 2:17 AM CDTSevere Thunderstorm WarningFGFBarnes, Cass43 min
Jun 13, 3:19 AM CDTSevere Thunderstorm WarningFGFGrand Forks46 min
Jun 13, 6:46 PM CDTSevere Thunderstorm WarningFGFGriggs29 min

Nearby

Tornado Warnings in Minnesota, 2000Tornado Warnings in North Dakota, 2000Every tornado warning in 2000Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.