Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 203, NWS Twin Cities, MN

June 26, 1998Martin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 26, 1998, 11:30 AM CDT for Martin County, Minnesota. It was in force for 60 min. 1 report 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: Jun 26, 1998, 11:30 AM CDT (16:30 UTC)
Expired: Jun 26, 1998, 12:30 PM CDT
In force: 60 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

County Martin County, MN

The radar

The Minneapolis radar (KMPX), 152 km from the middle of the area, began a volume at 16:31 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
Jun 26, 12:00 PM CDT	Hail 1.75	Wilbert, 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 4.5 hours before the alert went out and 151 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: 1352 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 105 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.

484 
WUUS1 KMSP 261632 RRA
SVRMSP
MNC091-261730-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1130 AM CDT FRI JUN 26 1998

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

* SEVERE THUNDERSTORM WARNING FOR...
  MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 1230 PM CDT

* AT 1135 AM CDT...DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
  HAIL 10 MILES SOUTHWEST OF CEYLON OR 18 MILES SOUTHWEST OF
  FAIRMONT.  THE STORM WAS MOVING NORTHEAST 20 MPH.

  THIS STORM HAS HAD A HISTORY OF HAIL TO GOLFBALL SIZE AS IS MOVED
  ACROSS NORTHWEST IOWA.

  SOME LOCATIONS AFFECTED
    CEYLON
    FAIRMONT
    WILBERT
    DUNNELL

THIS IS A DANGEROUS STORM...WITH LARGE HAIL.  STAY INDOORS AWAY
FROM WINDOWS.


BAP


&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 12:27 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	68 min
Jun 26, 1:37 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault	63 min
Jun 26, 4:24 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	66 min
Jun 26, 5:02 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	58 min
Jun 26, 6:56 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Sherburne, Wright	64 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1998 Every severe thunderstorm warning 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.