Alert archive / Minnesota / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 28, NWS Twin Cities, MN

May 29, 1989Mille Lacs County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 29, 1989, 12:37 PM CDT for Mille Lacs County, Minnesota. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
May 29, 1989, 12:37 PM CDT (17:37 UTC)
Expired
May 29, 1989, 1:05 PM CDT
In force
28 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Mille Lacs County, MN

The radar

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

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 5.6 hours before the alert went out and 121 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 1989-05-29Temperature 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 1989-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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, May 29, 11:41 AM CDT, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
1140 AM CDT FRI MAY 29 1989

AT 1130 AM CDT THIS MONDAY MORNING A LARGE THUNDERSTORM WAS MOVING
FROM JUST NORTH OF HERMAN MINNESOTA IN SOUTH CENTRAL GRANT COUNTY
0F MINNESOTA...37 MILES WEST NORTHWEST OF ALEXANDRIA MINNESOTA.
THIS THUNDERSTORM WAS MOVING TO THE EAST SOUTHEAST AT 40 MPH AND
SHOULD ENTER NORTHWESTERN POPE COUNTY NEAR THE CITY OF FARWELL AND
LOWRY...15 MILES SOUTHWEST OF ALEXANDRIA AROUND THE NOON HOUR.

AS THIS THUNDERSTORM MOVED THROUGH EASTERN SOUTH DAKOTA IT DID
PRODUCE HAIL TO MARBLE SIZE AND SURFACE WINDS TO 60 MPH.

PERSONS IN NORTHWESTERN POPE COUNTY SHOULD REMAIN ALERT TO THE
POSSIBILITY OF SEVERE WEATHER EARLY THIS AFTERNOON.

TRIPLETT/YOUNG
Special weather statement, May 29, 11:49 AM CDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
1140 AM CDT MON MAY 29 1989

AT 1130 AM CDT THIS MONDAY MORNING A LARGE THUNDERSTORM WAS MOVING
FROM JUST NORTH OF HERMAN MINNESOTA IN SOUTH CENTRAL GRANT COUNTY
0F MINNESOTA...37 MILES WEST NORTHWEST OF ALEXANDRIA MINNESOTA.
THIS THUNDERSTORM WAS MOVING TO THE EAST SOUTHEAST AT 40 MPH AND
SHOULD ENTER NORTHWESTERN POPE COUNTY NEAR THE CITY OF FARWELL AND
LOWRY...15 MILES SOUTHWEST OF ALEXANDRIA AROUND THE NOON HOUR.

AS THIS THUNDERSTORM MOVED THROUGH EASTERN SOUTH DAKOTA IT DID
PRODUCE HAIL TO MARBLE SIZE AND SURFACE WINDS TO 60 MPH.

PERSONS IN NORTHWESTERN POPE COUNTY SHOULD REMAIN ALERT TO THE
POSSIBILITY OF SEVERE WEATHER EARLY THIS AFTERNOON.

TRIPLETT/YOUNG
Special weather statement, May 29, 12:00 PM CDT, 37 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
1155 AM CDT MON MAY 29 1989

..SEVERE THUNDERSTORM MOVING ACROSS CENTRAL MINNESOTA..

A SEVERE THUNDERSTORM HAS DEVELOPED IN THE STAPLES/MOTLEY AREA
OF CENTRAL MINNESOTA WHICH IS ABOUT 15 MILES WEST OF BRAINERD. CURRENTLY
SEVERE THUNDERSTORM WARNINGS ARE POSTED FOR THE AFFECTED AREAS
INCLUDING BRAINERD.

AT AROUND 1145 AM THIS SEVERE THUNDERSTORM PRODUCED GOLFBALL SIZE
HAIL IN BOTH STAPLES AND MOTLEY.

THIS SEVERE THUNDERSTORM WAS MOVING EAST AT ABOUT 40 MILES AN HOUR.

AT 1135 AM..SHOWERS AND THUNDERSTORMS REMAINED ACROSS CENTRAL AND EAST
CENTRAL MINNESOTA FROM BETWEEN AITKIN AND GRAND $RAPIDS TO AREAS
FURTHER WEST AND SOUTHWEST TOWARD ALEXANDRIA.
<
MOVEMENT ON THIS ACTIVITY WAS EAST AT AROUND 45 MILES AN HOUR.
Local storm report, May 29, 12:01 PM CDT, 36 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST. CLOUD MN
1155 AM CDT MON MAY 29 1989

...ATTN SELS...

STORM DATA FOR CENTRAL MINNESOTA:

1140 AM CDT...GOLF BALL SIZE HAIL AT STAPLES...30 MILES WEST OF(
BRAINERD IN CENTRAL MINNESOTA.

1150 AM CDT...GOLF BALL SIZE HAIL AT MOTLEY...20 WEST OF BRAINERD.

NO REPORTS OF DAMAGING WINDS WERE RECEIVED.

YOUNG/TRIPPLETT
Special weather statement, May 29, 12:02 PM CDT, 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST CLOUD MN
1200 PM CDT MON MAY 29 1989

AT 1145 AM CDT THIS MONDAY MORNING A SEVERE THUNDERSTORM WAS MOVING
FROM THE NORTHWEST CORNER OF MORRISON COUNTY TO SOUTHEAST AT 40 MPH.
THIS SEVERE THUNDERSTORM SHOULD ENTER THE NORTH CENTRAL AREA OF MILLE
LACS COUNTY AROUND 1230 PM CDT THIS MONDAY AFTERNOON.  PERSONS ON AND
AROUND THE MILLE LACS LAKE AREA SHOULD REMAIN ALERT FOR THE NEXT HOUR
TO POSSIBILIT,Y OF SEVERE WEATHER.

THIS SEVERE THUNDERSTORM HAS PRODUCED LARGE HAIL...HEAVY RAIN AND
GUSTY SURFACE WINDS AS IT MOVED THROUGH MORRISON COUNTY.

TRIPLETT/YOUNG

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 11:48 AM CDTSevere Thunderstorm WarningMPXMorrison, Todd17 min
May 29, 12:13 PM CDTSevere Thunderstorm WarningMPXPope, Stearns62 min
May 29, 12:13 PM CDTSevere Thunderstorm WarningMPXTodd62 min
May 29, 12:37 PM CDTSevere Thunderstorm WarningMPXMorrison68 min
May 29, 1:06 PM CDTSevere Thunderstorm WarningMPXBenton69 min
May 29, 1:44 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Sibley46 min
May 29, 2:18 PM CDTSevere Thunderstorm WarningMPXHennepin27 min
May 29, 2:29 PM CDTSevere Thunderstorm WarningMPXAnoka, Ramsey, Washington61 min
May 29, 3:00 PM CDTSevere Thunderstorm WarningMPXWright30 min
May 29, 3:22 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin38 min
May 29, 3:27 PM CDTSevere Thunderstorm WarningMPXSherburne33 min
May 29, 3:53 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti37 min
May 29, 4:08 PM CDTSevere Thunderstorm WarningMPXWinona37 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; the sounding from the Mesonet's radiosonde archive.