Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 208, NWS Twin Cities, MN

June 26, 1998Anoka County, Sherburne County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 26, 1998, 6:56 PM CDT for Anoka County, Sherburne County, Wright County, Minnesota. It was in force for 64 min. 6 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
Jun 26, 1998, 6:56 PM CDT (23:56 UTC)
Expired
Jun 26, 1998, 8:00 PM CDT
In force
64 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Anoka County, MN, Sherburne County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 50 km from the middle of the area, began a volume at 23:55 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 26, 7:05 PM CDTHail 1.75Maple Lake, MN
Jun 26, 7:05 PM CDTHail 1.5Elk River, MNHailed for 10 minutes.
Jun 26, 7:08 PM CDTHail 1Ramsey, MN
Jun 26, 7:10 PM CDTHail 1.75Ramsey, MN
Jun 26, 7:20 PM CDTHail 0.75Andover, MN
Jun 26, 8:00 PM CDTHail 1Big Lake, 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, 11.9 hours before the alert went out and 50 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 1998-06-26Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
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.

010 
WUUS1 KMSP 262355 RRA
SVRMSP
MNC003-141-171-270100-

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

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

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN ANOKA COUNTY IN EAST CENTRAL MINNESOTA
  SOUTHEASTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA
  NORTHEASTERN WRIGHT COUNTY IN CENTRAL MINNESOTA

* UNTIL 800 PM CDT

* AT 655 PM CDT...DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
  HAIL 30 MILES NORTHWEST OF MINNEAPOLIS NEAR ST MICHAEL.  THE STORM
  WAS MOVING NORTHEAST AT 30 MPH.

* SOME LOCATIONS AFFECTED
    ALBERTVILLE
    ELK RIVER
    ST FRANCIS
    NOWTHEN
    RAMSEY

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


BAP

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 26, 1:47 PM CDT, 5 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MINNESOTA
147 PM CDT FRI JUN 26 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1250 PM    9 E FAIRMONT              MN   1 INCH HAIL
06/26/98   MARTIN

0105 PM    1 S GUCKEEN               MN   2 INCH HAIL
06/26/98   FARIBAULT

0140 PM    1 S WINNEBAGO             MN   .75 INCH HAIL
06/26/98   FARIBAULT
Local storm report, Jun 26, 2:18 PM CDT, 4 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MINNESOTA
218 PM CDT FRI JUN 26 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1200 PM    2 S WILBERT               MN   1.75 INCH HAIL
06/26/98   MARTIN                         HAILED ONLY A FEW MINUTES

TDK
Local storm report, Jun 26, 2:18 PM CDT, 4 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MINNESOTA
218 PM CDT FRI JUN 26 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1200 PM    2 S WILBERT               MN   1.75 INCH HAIL
06/26/98   MARTIN                         HAILED ONLY A FEW MINUTES

TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 11:30 AM CDTSevere Thunderstorm WarningMPXMartin60 min
Jun 26, 12:27 PM CDTSevere Thunderstorm WarningMPXFaribault, Martin68 min
Jun 26, 1:37 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault63 min
Jun 26, 4:24 PM CDTSevere Thunderstorm WarningMPXMeeker66 min
Jun 26, 5:02 PM CDTSevere Thunderstorm WarningMPXStearns58 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1998Every 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.