Alert archive / Minnesota / Tornado Warnings in 1998

Tornado Warning 10, NWS Twin Cities, MN

March 29, 1998Le Sueur County, Rice County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Mar 29, 1998, 6:08 PM CST for Le Sueur County, Rice County, Minnesota. It was in force for 57 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 29, 1998, 6:08 PM CST (00:08 UTC)
Expired: Mar 29, 1998, 7:05 PM CST
In force: 57 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Le Sueur County, MN, Rice County, MN

The radar

The Minneapolis radar (KMPX), 54 km from the middle of the area, began a volume at 00:09 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

Time	Report	Where	Remark
Mar 29, 6:09 PM CST	Tornado F1	Lonsdale, MN
Mar 29, 6:16 PM CST	Tornado F2	Lonsdale, MN	Four homes and 6 businesses severely damaged. Street department building damaged. 20 farms damaged or destroyed.
Mar 29, 6:30 PM CST	Hail 1	Elysian, 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.

Issued	Product	Office	Lasted
Mar 29, 2:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.1 hours before the alert went out and 55 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 625 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 529 m above ground
0-6 km bulk shear: 79 kt
0-1 km storm-relative helicity: 499 m²/s²
0-3 km storm-relative helicity: 565 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 300008
TORMSP
MNC131-079-300105-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
608 PM CST SUN MAR 29 1998


* TORNADO WARNING FOR
  RICE COUNTY - EAST CENTRAL MINNESOTA
  LE SUEUR COUNTY - EAST CENTRAL MINNESOTA

* UNTIL 705 PM CST

* SOME LOCATIONS AFFECTED
    SHIELDSVILLE
    FARIBAULT
    LONSDALE
    MILLERSBURG
    WATERVILLE
    NORTHFIELD

* AT 605 PM DOPPLER RADAR DETECTED A TORNADO NEAR MONTGOMERY OR
  ABOUT 15 MILES NORTHWEST OF FARIBAULT.  THE STORM WAS MOVING EAST
  AT 20 MPH.  A CONFIRMED TORNADO TOUCHDOWN WAS REPORTED IN LE
  CENTER AT 600 PM CST.

A TORNADO IS ON THE GROUND!  TAKE SHELTER NOW!

MBK

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 29, 6:08 PM CST	Severe Thunderstorm Warning	MPX	Scott	52 min
Mar 29, 6:25 PM CST	Tornado Warning	MPX	Dakota	50 min
Mar 29, 7:07 PM CST	Severe Thunderstorm Warning	MPX	Goodhue	63 min
Mar 29, 7:45 PM CST	Severe Thunderstorm Warning	MPX	Blue Earth, Waseca	45 min

Nearby

Tornado Warnings in Minnesota, 1998 Every tornado warning in 1998 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.