Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 234, NWS Twin Cities, MN

June 26, 1998Isanti County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 26, 1998, 11:00 PM CDT for Isanti County, Minnesota. It was in force for 65 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, 11:00 PM CDT (04:00 UTC)
Expired: Jun 27, 1998, 12:05 AM CDT
In force: 65 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

County Isanti County, MN

The radar

The Minneapolis radar (KMPX), 82 km from the middle of the area, began a volume at 04:01 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, 11:30 PM CDT	Thunderstorm Wind 61	Cambridge, 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
Jun 26, 8:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.0 hours before the alert went out and 83 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: 1872 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 810 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 311 m²/s²
0-3 km storm-relative helicity: 469 m²/s²
Significant tornado parameter: 3.0
Supercell composite: 26.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 270400 RRA
SVRMSP
MNC003-053-059-270500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1100 PM CDT FRI JUN 26 1998

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

* SEVERE THUNDERSTORM WARNING FOR...
  ANOKA COUNTY IN EAST CENTRAL MINNESOTA
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA
  ISANTI COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 1205 AM CDT

* AT 1056 PM CDT...DOPPLER RADAR INDICATED SEVERE STORMS WITH
  DAMAGING WINDS EXCEEDING 75 MPH. THEY EXTENDED FROM 20 MILES EAST
  OF ST CLOUD TO HUTCHINSON.  THE STORMS WERE MOVING SOUTHEAST AT
  50 MPH.

* SOME LOCATIONS AFFECTED
    CAMBRIDGE
    ST FRANCIS
    RAMSEY
    ANOKA
    DAYTON
    CORCORAN

77 MPH WINDS WERER MEASURED ON THE SOUTHEAST SIDE OF ST CLOUD AT
1041 PM.  SIRENS WERE ACTIVATED IN ELK RIVER...AND HAVE BEEN
RECOMMENDED FOR NORTHERN HENNEPIN AND MOST OF ANOKA COUNTIES.

THIS IS A DANGEROUS STORM... WITH DAMAGING WINDS. STAY INDOORS AWAY
FROM WINDOWS. A TORNADO WATCH IS IN EFFECT.  SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES.
TDK


&

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, 10:38 PM CDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MINNESOTA
1038 PM CDT FRI JUN 26 1998

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

0425 PM    LITCHFIELD                MN   .5 INCH HAIL
06/26/98   MEEKER                         5 SOUTH OF LITCHFIELD

0430 PM    WILLMAR                   MN   .5 INCH HAIL
06/26/98   KANDIYOHI

0434 PM    GROVE CITY                MN   .75 INCH HAIL
06/26/98   MEEKER                         SOUTH OF GROVE CITY
                                          REPORTED BY SEVERE WX
                                          SPOTTER

0510 PM    PAYNESVILLE               MN   .88 INCH HAIL
06/26/98   MEEKER                         10 SOUTH OF PAYNESVILLE
                                          NEAR LAKE KORONIS

0510 PM    PAYNESVILLE               MN   .75 INCH HAIL
06/26/98   STEARNS                        5SE PAYNESVILLE

0537 PM    LONG PRAIRIE              MN   .5 INCH HAIL
06/26/98   TODD

0705 PM    MAPLE LAKE                MN   1.75 INCH HAIL
06/26/98   WRIGHT

0708 PM    RAMSEY                    MN   1 INCH HAIL
06/26/98   ANOKA

0710 PM    RAMSEY                    MN   1.75 INCH HAIL
06/26/98   ANOKA

0820 PM    ST PAUL                   MN   FLOODING
06/26/98   RAMSEY                         STREET FLOODING

0840 PM    NEW PRAGUE                MN   1.75 INCH HAIL
06/26/98   LE SUEUR                       70 MPH GUST

0905 PM    ST PAUL                   MN   55 MPH TSTM GUST
06/26/98   RAMSEY                         POWER LINES DOWN

0920 PM    FARIBAULT                 MN   1 INCH HAIL
06/26/98   RICE                           60 MPH WIND GUST

0925 PM    FARIBAULT                 MN   1.75 INCH HAIL
06/26/98   RICE                           HAIL BROKE CAR WINDSHIELDS

0935 PM    ALEXANDRIA                MN   WIND DAMAGE
06/26/98   DOUGLAS                        NUMEROUS TREES DOWN

0952 PM    HOLDINGFORD               MN   .75 INCH HAIL
06/26/98   STEARNS

1001 PM    ALBANY                    MN   70 MPH TSTM GUST
06/26/98   STEARNS

Local storm report, Jun 26, 10:38 PM CDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MINNESOTA
1038 PM CDT FRI JUN 26 1998

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

0425 PM    LITCHFIELD                MN   .5 INCH HAIL
06/26/98   MEEKER                         5 SOUTH OF LITCHFIELD

0430 PM    WILLMAR                   MN   .5 INCH HAIL
06/26/98   KANDIYOHI

0434 PM    GROVE CITY                MN   .75 INCH HAIL
06/26/98   MEEKER                         SOUTH OF GROVE CITY
                                          REPORTED BY SEVERE WX
                                          SPOTTER

0510 PM    PAYNESVILLE               MN   .88 INCH HAIL
06/26/98   MEEKER                         10 SOUTH OF PAYNESVILLE
                                          NEAR LAKE KORONIS

0510 PM    PAYNESVILLE               MN   .75 INCH HAIL
06/26/98   STEARNS                        5SE PAYNESVILLE

0537 PM    LONG PRAIRIE              MN   .5 INCH HAIL
06/26/98   TODD

0705 PM    MAPLE LAKE                MN   1.75 INCH HAIL
06/26/98   WRIGHT

0708 PM    RAMSEY                    MN   1 INCH HAIL
06/26/98   ANOKA

0710 PM    RAMSEY                    MN   1.75 INCH HAIL
06/26/98   ANOKA

0820 PM    ST PAUL                   MN   FLOODING
06/26/98   RAMSEY                         STREET FLOODING

0840 PM    NEW PRAGUE                MN   1.75 INCH HAIL
06/26/98   LE SUEUR                       70 MPH GUST

0905 PM    ST PAUL                   MN   55 MPH TSTM GUST
06/26/98   RAMSEY                         POWER LINES DOWN

0920 PM    FARIBAULT                 MN   1 INCH HAIL
06/26/98   RICE                           60 MPH WIND GUST

0925 PM    FARIBAULT                 MN   1.75 INCH HAIL
06/26/98   RICE                           HAIL BROKE CAR WINDSHIELDS

0935 PM    ALEXANDRIA                MN   WIND DAMAGE
06/26/98   DOUGLAS                        NUMEROUS TREES DOWN

0952 PM    HOLDINGFORD               MN   .75 INCH HAIL
06/26/98   STEARNS

1001 PM    ALBANY                    MN   70 MPH TSTM GUST
06/26/98   STEARNS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 7:24 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago	51 min
Jun 26, 7:34 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Sherburne, Stearns	66 min
Jun 26, 7:38 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Sibley	62 min
Jun 26, 7:45 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Scott	60 min
Jun 26, 7:49 PM CDT	Severe Thunderstorm Warning	MPX	Wright	66 min
Jun 26, 8:07 PM CDT	Tornado Warning	MPX	McLeod, Sibley	48 min
Jun 26, 8:12 PM CDT	Tornado Warning	MPX	Le Sueur, Rice, Scott	48 min
Jun 26, 8:19 PM CDT	Severe Thunderstorm Warning	MPX	Isanti, Mille Lacs	66 min
Jun 26, 8:25 PM CDT	Severe Thunderstorm Warning	MPX	Washington	50 min
Jun 26, 8:25 PM CDT	Severe Thunderstorm Warning	MPX	Ramsey	50 min
Jun 26, 8:34 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Sibley	56 min
Jun 26, 8:39 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	66 min
Jun 26, 8:50 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	65 min
Jun 26, 8:51 PM CDT	Tornado Warning	MPX	Rice	34 min
Jun 26, 9:00 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	60 min
Jun 26, 9:10 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stevens	60 min
Jun 26, 9:10 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Swift	60 min
Jun 26, 9:13 PM CDT	Tornado Warning	MPX	Yellow Medicine	47 min
Jun 26, 9:22 PM CDT	Flash Flood Warning	MPX	Carver, Dakota, Hennepin, Le Sueur, Rice, Scott and 1 more	3 hr
Jun 26, 9:22 PM CDT	Flash Flood Warning	MPX	Ramsey, Washington	3 hr
Jun 26, 9:24 PM CDT	Tornado Warning	MPX	Stearns	31 min
Jun 26, 9:28 PM CDT	Tornado Warning	MPX	Rice	47 min
Jun 26, 9:41 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Stearns, Todd	64 min
Jun 26, 9:51 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	64 min
Jun 26, 9:54 PM CDT	Tornado Warning	MPX	Yellow Medicine	46 min
Jun 26, 10:03 PM CDT	Tornado Warning	MPX	Benton, Stearns	42 min
Jun 26, 10:06 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	34 min
Jun 26, 10:15 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville	60 min
Jun 26, 10:15 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	60 min
Jun 26, 10:16 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	64 min
Jun 26, 10:22 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	53 min
Jun 26, 10:28 PM CDT	Flash Flood Warning	MPX	Goodhue	2 hr
Jun 26, 10:39 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Wright	66 min
Jun 26, 10:39 PM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs	66 min
Jun 26, 10:54 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Sibley	56 min
Jun 26, 11:00 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin	65 min
Jun 26, 11:10 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Renville	35 min
Jun 26, 11:16 PM CDT	Severe Thunderstorm Warning	MPX	Carver	49 min
Jun 26, 11:33 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	42 min
Jun 26, 11:36 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	54 min
Jun 26, 11:36 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Washington	54 min
Jun 26, 11:36 PM CDT	Severe Thunderstorm Warning	MPX	Ramsey	54 min
Jun 26, 11:45 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Sibley	30 min
Jun 27, 12:17 AM CDT	Severe Thunderstorm Warning	MPX	Goodhue, Le Sueur, Rice	58 min
Jun 27, 12:44 AM CDT	Flash Flood Warning	MPX	Dakota, Goodhue, Rice	2 hr
Jun 27, 12:44 AM CDT	Flash Flood Warning	MPX	Hennepin, Le Sueur, Scott	2 hr
Jun 27, 12:44 AM CDT	Flash Flood Warning	MPX	Ramsey, Washington	2 hr
Jun 27, 4:10 PM CDT	Severe Thunderstorm Warning	MPX	Martin	50 min
Jun 27, 4:31 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Watonwan	59 min
Jun 27, 4:31 PM CDT	Severe Thunderstorm Warning	MPX	Faribault	59 min
Jun 27, 4:48 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	62 min
Jun 27, 5:00 PM CDT	Severe Thunderstorm Warning	MPX	Martin	65 min
Jun 27, 5:30 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault	65 min
Jun 27, 5:36 PM CDT	Tornado Warning	MPX	Faribault, Martin	34 min
Jun 27, 5:50 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott, Sibley	65 min
Jun 27, 5:56 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Steele, Waseca	64 min
Jun 27, 6:01 PM CDT	Tornado Warning	MPX	Faribault, Freeborn, Waseca	34 min
Jun 27, 6:07 PM CDT	Tornado Warning	MPX	Nicollet, Sibley	48 min
Jun 27, 6:17 PM CDT	Tornado Warning	MPX	Le Sueur	48 min
Jun 27, 6:22 PM CDT	Tornado Warning	MPX	Freeborn	33 min
Jun 27, 6:26 PM CDT	Tornado Warning	MPX	Dakota, Rice	54 min
Jun 27, 6:46 PM CDT	Tornado Warning	MPX	Steele	29 min
Jun 27, 6:57 PM CDT	Tornado Warning	MPX	Freeborn	33 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.