Alert archive / Minnesota / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 12, NWS Grand Forks, ND

July 2, 1989Hubbard County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 2, 1989, 8:02 PM CDT for Hubbard County, Minnesota. It was in force for 58 min. 3 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
Jul 2, 1989, 8:02 PM CDT (01:02 UTC)
Expired
Jul 2, 1989, 9:00 PM CDT
In force
58 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

County Hubbard 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, 8:10 PM CDTHail 1.75Hubbard, MN
Jul 2, 8:26 PM CDTHail 2.75Hubbard, MN
Jul 2, 8:26 PM CDTHail 3.5Hubbard, 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, 1.0 hours before the alert went out and 202 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 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

Special weather statement, Jul 2, 5:36 PM CDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
535 PM CDT SUN JUL 02 1989

AT 525 PM CDT...AN AREA OF INTENSE THUNDERSTORMS WAS OCCURRING OVER
NORTH CENTRAL AND NORTHWEST MINNESOTA.  THE 70 MILE WIDE AREA
EXTENDED FROM 30 MILES WEST OF INTERNATIONAL FALLS...SOUTHWEST TO
45 MILES WEST OF BEMIDJI.  THE STRONGEST THUNDERSTORMS WERE 40 MILES
NORTH OF BEMIDJI OVER THE LOWER RED LAKES AND 20 MILES NORTHEAST OF
THIEF RIVER FALLS NEAR THE THIEF LAKE REFUGE.

HAIL...DEADLY LIGHTNING...STRONG WINDS AND TORRENTIAL RAINS WILL
ACCOMPANY THESE STORMS AS THEY MOVE EAST AT 35 MILES AN HOUR.
NEARLY THREE QUARTERS OF AN INCH OF RAIN FELL AT WARROAD MINNESOTA
IN LESS THAN AN HOUR AS THESE STORMS MOVED THROUGH THE AREA.

BOATERS...CAMPERS AND THOSE ENJOYING THE HOLIDAY WEEKEND SHOULD BE ON
THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND SEEK SAFE SHELTER
IF THESE STORMS APPROACH YOUR AREA.  CONDITIONS ARE FAVORABLE FOR
THE CONTINUED DEVELOPMENT OF THESE STORMS INTO THE EVENING HOURS.
EWENS
Special weather statement, Jul 2, 6:40 PM CDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
640 PM CDT SUN JUL 02 1989

AT 625 PM CDT...A DANGEROUS THUNDERSTORM WAS LOCATED 20 MILES NORTHWEST
OF BEMIDJI ALONG THE CLEARWATER/BELTRAMI LINE.  THIS STORM WAS MOVING
EAST AT 30 MILES AN HOUR AND WILL CROSS BELTRAMI COUNTY TO NEAR
BLACKDUCK BY 730 PM CDT.   HAIL...DEADLY LIGHTNING...STRONG WINDS AND
TORRENTIAL RAINS WILL ACCOMPANY THIS STORM AS IT MOVES EAST AT 30 MILES
AN HOUR.

OTHERWISE...AN AREA OF SCATTERED THUNDERSTORMS...A FEW STRONG...
CONTINUED OVER NORTH CENTRAL AND A PART OF NORTHWEST MINNESOTA.  THE
STORMS WERE IN THE AREA BOUNDED BY THIEF RIVER FALLS...BEMIDJI AND
INTERNATIONAL FALLS.  THE STRONGEST STORMS WERE 60 MILES EAST OF THIEF
RIVER FALLS NEAR THE UPPER RED LAKE AND 20 MILES WEST OF BEMIDJI.  THE
STORM WEST OF BEMIDJI WILL BE NEAR THE TOWN OF BEMIDJI BY 730 PM CDT...
WHILE THE STORM NEAR THE UPPER RED LAKE WILL CONTINUE ACROSS NORTHERN
BELTRAMI COUNTY THROUGH 730 PM CDT.
.

HAIL...DEADLY LIGHTNING...VERY HEAVY RAINS AND STRONG WINDS WILL
ACCOMPANY THESE STORMS AS THEY MOVE EAST AT 30 MILES AN HOUR.

BOATERS...CAMPERS...AND THOSE ENJOYING THE HOLIDAY WEEKEND SHOULD BE
ALERT FOR RAPIDLY CHANGIG WEATHER CONDITIONS AND SEEK SAFE SHELTER
IF THESE STORMS APPROACH YOUR AREA.
EWENS
Special weather statement, Jul 2, 7:40 PM CDT, 22 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE FARGO ND
738 PM CDT SUN JUL 02 1989

...SEVERE THUNDERSTORM WATCH FOR MUCH OF NORTHERN MINNESOTA UNTIL
MIDNIGHT...

AT 725 PM CDT...A LARGE AREA OF THUNDERSTORMS...A FEW INTENSE...WERE
OCCURRING OVER NORTH CENTRAL MINNESOTA.  THE STRONGEST THUNDERSTORMS
WERE NEAR THE ITASCA STATE PARK...15 MILES SOUTHWEST OF BEMIDJI...AND
20 TO 25 MILES NORTH OF BEMIDJI NEAR THE LOWER RED LAKE.

HAIL...STRONG GUSTY WINDS...DEADLY LIGHTNING AND TORRENTIAL RAINS ARE
LIKELY WITH THESE STORMS AS THEY MOVE EAST AT 30 MILES AN HOUR.

THE STORM NEAR THE ITASCA STATE PARK WILL CROSS NORTHERN HUBBARD COUNTY
AND BE NEAR CASS LAKE BY 830 PM CDT.  THE STORMS NEAR THE LOWER RED LAKE
WILL MOVE INTO WESTERN KOOCHICHING COUNTY BY 830 PM CDT.

IF YOU ARE IN THE PATH OF THESE STORMS YOU SHOULD BE ON THE LOOK OUT
FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE SHELTER
IF NEEDED.

BOATERS...CAMPERS...AND THOSE ENJOYING THE HOLIDAY WEEKEND SHOULD BE
ALERT FOR RAPIDLY CHANGIG WEATHER CONDITIONS AND SEEK SAFE SHELTER
IF THESE STORMS APPROACH YOUR AREA.
CONDITIONS REMAIN FAVORABLE FOR THE CONTINUED DEVELOPMENT OF THESE
STfORMS THROUGHOUT THE EVENING AND EARLY NIGHTTIME HOURS.  STAY TUNED
TO RADIO AND T.V. AS WELL AS NOAA WEATHER RADIO FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
EWENS

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 9:21 PM CDTTornado WarningFGFHubbard69 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1989Every severe thunderstorm warning 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.