Alert archive / Minnesota / Tornado Warnings in 1998

Tornado Warning 31, NWS Twin Cities, MN

June 25, 1998Kanabec County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 25, 1998, 12:53 PM CDT for Kanabec County, Minnesota. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 25, 1998, 12:53 PM CDT (17:53 UTC)
Expired
Jun 25, 1998, 1:30 PM CDT
In force
37 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Kanabec County, MN

The radar

The Minneapolis radar (KMPX), 124 km from the middle of the area, began a volume at 17:54 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 5.9 hours before the alert went out and 124 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 1998-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 426 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 1998-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.1939587897Sfc1 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
426 J/kg
Mixed-layer CIN
-223 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

011 
WFUS1 KMSP 251754 RRA
TORMSP
MNC065-251830-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1253 PM CDT THU JUN 25 1998

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A

* TORNADO WARNING FOR...
  NORTHERN KANABEC COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 130 PM CDT

* AT 1253 PM CDT...LAW ENFORCEMENT REPORTED A TORNADO JUST BEGINNING
  TO TOUCH THE GROUND 11 MILES NORTH OF MORA.  THE STORM WAS MOVING
  NORTHEAST AT 30 MPH.

* SOME LOCATIONS AFFECTED
    WARMAN
    WOODLAND

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

JMP


&

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 9:07 PM CDTSevere Thunderstorm WarningMPXLe Sueur53 min
Jun 24, 10:34 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Redwood, Yellow Medicine56 min
Jun 24, 11:16 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Nicollet, Renville, Watonwan59 min
Jun 24, 11:16 PM CDTSevere Thunderstorm WarningMPXSibley59 min
Jun 24, 11:16 PM CDTSevere Thunderstorm WarningMPXMartin59 min
Jun 24, 11:53 PM CDTSevere Thunderstorm WarningMPXCarver, Le Sueur, Scott52 min
Jun 24, 11:53 PM CDTSevere Thunderstorm WarningMPXMcLeod52 min
Jun 25, 12:12 AM CDTSevere Thunderstorm WarningMPXNicollet, Sibley33 min
Jun 25, 12:12 AM CDTSevere Thunderstorm WarningMPXBlue Earth33 min
Jun 25, 12:36 AM CDTSevere Thunderstorm WarningMPXAnoka, Dakota, Ramsey, Washington59 min
Jun 25, 12:36 AM CDTSevere Thunderstorm WarningMPXHennepin, Wright59 min
Jun 25, 12:45 AM CDTSevere Thunderstorm WarningMPXCarver, Le Sueur, Rice, Scott50 min
Jun 25, 1:25 AM CDTSevere Thunderstorm WarningMPXGoodhue65 min
Jun 25, 1:31 AM CDTSevere Thunderstorm WarningMPXSteele, Waseca59 min
Jun 25, 1:38 AM CDTSevere Thunderstorm WarningMPXChisago, Isanti62 min
Jun 25, 1:38 AM CDTSevere Thunderstorm WarningMPXAnoka, Washington32 min
Jun 25, 1:38 AM CDTSevere Thunderstorm WarningMPXDakota32 min
Jun 25, 1:59 AM CDTSevere Thunderstorm WarningMPXDakota, Scott31 min

Nearby

Tornado Warnings in Minnesota, 1998Every tornado warning in 1998Tornadoes in 1998

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.