Alert archive / Minnesota / Tornado Warnings in 1998

Tornado Warning 1, NWS La Crosse, WI

March 29, 1998Dodge County, Minnesota

NWS La Crosse, WI issued this tornado warning at Mar 29, 1998, 4:13 PM CST for Dodge County, Minnesota. It was in force for 47 min. 2 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, 4:13 PM CST (22:13 UTC)
Expired: Mar 29, 1998, 5:00 PM CST
In force: 47 min
Issued by: NWS La Crosse, WI
Area: Whole counties

County Dodge County, MN

The radar

The Minneapolis radar (KMPX), 107 km from the middle of the area, began a volume at 22:16 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, 4:19 PM CST	Hail 1.75	Mantorville, MN
Mar 29, 4:19 PM CST	Hail 0.88	Mantorville, 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 12:00Z, 10.2 hours before the alert went out and 109 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 551 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 160 m²/s²
0-3 km storm-relative helicity: 251 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 
TTAA00 KLSE 292215
TORLSE
MNC039-292300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
413 PM CST SUN MAR 29 1998


* TORNADO WARNING FOR
    EASTERN DODGE COUNTY - SOUTHEASTERN MINNESOTA

* UNTIL 500 PM CST

* SOME LOCATIONS AFFECTED
    KASSON
    DODGE CENTER
    MANTORVILLE

* AT 413 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 10 MILES WEST OF ROCHESTER...NEAR KASSON. THE STORM WAS
  MOVING NORTHEAST AT 40 MPH.

* THE STORM WILL BE NEAR MANTORVILLE BY 430 PM.

IF YOU ARE NEAR THIS DANGEROUS STORM...TAKE COVER IMMEDIATELY IN
THE LOWEST FLOOR AND INNER MOST ROOM OF A BUILDING.

DB

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 29, 2:56 PM CST	Severe Thunderstorm Warning	ARX	Winona	34 min
Mar 29, 3:31 PM CST	Severe Thunderstorm Warning	ARX	Dodge, Mower	44 min
Mar 29, 3:56 PM CST	Severe Thunderstorm Warning	ARX	Olmsted	64 min
Mar 29, 4:18 PM CST	Severe Thunderstorm Warning	ARX	Wabasha	57 min
Mar 29, 4:39 PM CST	Tornado Warning	ARX	Wabasha	51 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.