Alert archive / Minnesota / Tornado Warnings in 1989

Tornado Warning 1, NWS Duluth, MN

July 2, 1989Cass County, Minnesota

NWS Duluth, MN issued this tornado warning at Jul 2, 1989, 9:31 PM CDT for Cass County, Minnesota. It was in force for 44 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
Jul 2, 1989, 9:31 PM CDT (02:31 UTC)
Expired
Jul 2, 1989, 10:15 PM CDT
In force
44 min
Issued by
NWS Duluth, MN
Area
Whole counties

County Cass County, MN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 2, 9:35 PM CDTThunderstorm Wind 0Cass, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 2.5 hours before the alert went out and 196 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, International Fa, MN at 00:00Z on 1989-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 194 joules per kilogram.LCLLFCEL10008507005003002001001 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, International Fa, MN at 00:00Z on 1989-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.19395878Sfc1 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
194 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
1088 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

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

In the hours before

Special weather statement, Jul 2, 5:29 PM CDT, 4 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN
525 PM CDT SUN JUL 2 1989

FROM THE NATIONAL WEATHER SERVICE AT INTERNATIONAL FALLS, MN.
AT 515 PM THIS AFTERNOON FARGO RADAR REPORTED STRONG THUNDERSTORMS
OCCURING IN THE AREA BETWEEN RED LAKE, MN AND BAUDETTE, MN.

THERE ARE NO REPORTS OF WIND OR HAIL AT THIS TIME. WARROAD AND
BAUDETTE, MN HAVE HAD ONLY HEAVY RAIN IN THE PAST HOUR.

ALTHOUGH NONE HAS BEEN REPORTED AS OF THIS TIME, THESE THUNDERSTORMS
MAY CONTAIN SMALL HAIL..STRONG GUSTY WINDS..AND FREQUENT LIGHTNING.
YOU SHOULD BE ALERT TO THESE APPROACHING STORMS AND BE PREPARED TO
SEEK SHELTER IF SEVERE WEATHER APPROACHES. STAY TUNED TO YOUR
FAVORITE RADIO OR KTV STATION IN THE EVENT FURTHER BULLETINS
ARE REQUIRED.

HOUSE
Special weather statement, Jul 2, 6:32 PM CDT, 2 hours 59 minutes before
SPECIAL WEATHER STATEMENT AND PRECIPITATION SUMMARY
NATIONAL WEATHER SERVICE DULUTH MN
625 PM CDT SAT JUL 1 1989

AT 620 PM CDT...THUNDERSTORMS WITH HEAVY RAIN AND SMALL HAIL WERE
IN EASTERN BELTRAMI COUNTY OF NORTH CENTRAL MINNESOTA. THE HEAVIEST
RAIN WAS OCCURRING WEST OF A LINE FROM BLACKDUCK TO KELIHER..65 TO
80 MILES SOUTHWEST OF INTERNATIONAL FALLS. THESE THUNDERSTORMS WERE
MOVING EAST SOUTHEAST AT 30 MILES AN HOUR..WHICH WOULD BRING THEM
INTO NORTHWEST ITASCA COUNTY..JUST NORTH OF LAKE WINNIBIGOSHISH
BETWEEN 645 AND 730 THIS EVENING.

OTHER THUNDERSTORMS WERE LOCATED IN KOOCHICHING COUNTY..15 TO 45
MILES SOUTHWEST OF INTERNATIONAL FALLS..FROM SOUTH OF BIG FALLS TO
LITTLEFORK.

PERSONS TO THE EAST AND SOUTHEAST OF THESE THUNDERSTORMS SHOULD BE
ON THE LOOKOUT FOR SOME SMALL HAIL..HEAVY RAIN..STRONG GUSTY WINDS..
AND OCCASIONAL CLOUD TO GROUND LIGHTNING. THESE STORMS WILL BE MOVING
INTO THE ALVWOOD..WIRT..AND EFFIE AREAS..INCLUDING AREA LAKES BETWEEN
7 OCLOCK AND 830 THIS EVENING.
..CHRISTENSON..
Special weather statement, Jul 2, 6:34 PM CDT, 2 hours 57 minutes before
SPECIAL WEATHER STATEMENT AND PRECIPITATION SUMMARY
NATIONAL WEATHER SERVICE DULUTH MN
625 PM CDT SUN JUL 2 1989

AT 620 PM CDT...THUNDERSTORMS WITH HEAVY RAIN AND SMALL HAIL WERE
IN EASTERN BELTRAMI COUNTY OF NORTH CENTRAL MINNESOTA. THE HEAVIEST
RAIN WAS OCCURRING WEST OF A LINE FROM BLACKDUCK TO KELIHER..65 TO
80 MILES SOUTHWEST OF INTERNATIONAL FALLS. THESE THUNDERSTORMS WERE
MOVING EAST SOUTHEAST AT 30 MILES AN HOUR..WHICH WOULD BRING THEM
INTO NORTHWEST ITASCA COUNTY..JUST NORTH OF LAKE WINNIBIGOSHISH
BETWEEN 645 AND 730 THIS EVENING.

OTHER THUNDERSTORMS WERE LOCATED IN KOOCHICHING COUNTY..15 TO 45
MILES SOUTHWEST OF INTERNATIONAL FALLS..FROM SOUTH OF BIG FALLS TO
LITTLEFORK.

PERSONS TO THE EAST AND SOUTHEAST OF THESE THUNDERSTORMS SHOULD BE
ON THE LOOKOUT FOR SOME SMALL HAIL..HEAVY RAIN..STRONG GUSTY WINDS..
AND OCCASIONAL CLOUD TO GROUND LIGHTNING. THESE STORMS WILL BE MOVING
INTO THE ALVWOOD..WIRT..AND EFFIE AREAS..INCLUDING AREA LAKES BETWEEN
7 OCLOCK AND 830 THIS EVENING.
..CHRISTENSON..
Special weather statement, Jul 2, 6:45 PM CDT, 2 hours 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN
640 PM CDT SUN JUL 2 1989

FROM THE NATIONAL WEATHER SERVICE AT INTERNATIONAL FALLS, MN.
AT 630 PM THIS EVENING FARGO RADAR REPORTED STRONG THUNDERSTORMS
OCCURING IN THE PINEWOOD AREA, APROXIMATELY 15 MILES NORTHWEST OF
BEMIDJI, MN. MARBLE SIZE HAIL HAS BEEN REPORTED WITH THIS STORM
BUT NO STRONG WINDS.

ON ESHOULD REMEMBER THAT THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL..
..STRONG GUSTY WINDS..AND FREQUENT LIGHTNING. YOU SHOULD BE ALERT TO
THESE APPROACHING STORMS AND BE PREPARED TO SEEK SHELTER IF SEVERE
WEATHER APPROACHES. STAY TUNED TO YOUR FAVORITE RADIO OR TV STATION
IN THE EVENT FURTHER BULLETINS ARE REQUIRED.

HOUSE
Special weather statement, Jul 2, 7:08 PM CDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN
700 PM CDT SUN JUL 2 1989

FROM THE NATIONAL WEATHER SERVICE AT INTERNATIONAL FALLS, MN.

AT 6:30 THIS EVENING PERSONS IN THE RED LAKE, MN AREA HAVE REPORTED
LOCALLY STRONG WINDS AND MARBLE SIZE HAIL. SEVERAL TREES WERE
REPORTED BLOWN DOWN 4 MILES WEST OF THE TOWN OF RED LAKE.

THIS STORM IS MOVING EAST AT 25 MPH.  PERSONS IN EAST CENTRAL
BELTRAMI COUNTY SHOULD BE ON THE LOOKOUT FOR THIS STORM.

ONE SHOULD REMEMBER THAT THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL..
..STRONG GUSTY WINDS..AND FREQUENT LIGHTNING. YOU SHOULD BE ALERT TO
THESE APPROACHING STORMS AND BE PREPARED TO SEEK SHELTER IF SEVERE
WEATHER APPROACHES. STAY TUNED TO YOUR FAVORITE RADIO OR TV STATION
IN THE EVENT FURTHER BULLETINS ARE REQUIRED.

HOUSE
Special weather statement, Jul 2, 8:24 PM CDT, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN
810 PM CDT SUN JUL 2 1989

...SEVERE THUNDERSTORM WATCH NUMBER 573 IN EFFECT FOR NORTH CENTRAL
   MINNESOTA UNTIL MIDNIGHT CDT

AT 8 PM CDT THUNDERSTORMS WERE MOVING THROUGH NORTH CENTAL MINNESOTA.
LAW INFORCEMENT OFFICIALS AT BEMIDJI..85 MILES NORTHEAST OF FARGO
NORTH DAKOTA REPORTED VERY HEAVY RAIN ..PEA HAIL..AND SOME GUSTY
WINDS TO 40 MPH WITHIN A 25 MILE RADIUS OF BEMIDJI. THERE HAVE BEEN
SOME REPORTS OF POWER OUTAGES IN OUTLYING AREAS. PERSONS IN BELTRAMI
AND SOUTHERN KOOCHICHING COUNTIES OF NORTH CENTRAL MINNESOTA SHOULD
BE ALERT TO THESE APPROACHING STORMS AND BE PREPARED TO SEEK SHELTER
IF SEVERE WEATHER AbPPROACHES. STAY TUNED TO YOUR FAVORITE RADIO OR
TV STATION IN THE EVENT FURTHER BULLETINS ARE REQUIRED.

FAIRHURST

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 7:56 PM CDTSevere Thunderstorm WarningDLHCass64 min
Jul 2, 9:06 PM CDTSevere Thunderstorm WarningDLHCass, Crow Wing69 min
Jul 2, 9:12 PM CDTSevere Thunderstorm WarningDLHAitkin, Itasca48 min
Jul 2, 9:38 PM CDTTornado WarningDLHCrow Wing52 min

Nearby

Tornado Warnings in Minnesota, 1989Every tornado warning in 1989Tornadoes in 1989

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.