Alert archive / Minnesota / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 28, NWS Twin Cities, MN
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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 11:48 AM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 17 min |
| May 29, 12:13 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stearns | 62 min |
| May 29, 12:13 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 62 min |
| May 29, 12:37 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 68 min |
| May 29, 1:06 PM CDT | Severe Thunderstorm Warning | MPX | Benton | 69 min |
| May 29, 1:44 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Sibley | 46 min |
| May 29, 2:18 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 27 min |
| May 29, 2:29 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Ramsey, Washington | 61 min |
| May 29, 3:00 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 30 min |
| May 29, 3:22 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin | 38 min |
| May 29, 3:27 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 33 min |
| May 29, 3:53 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti | 37 min |
| May 29, 4:08 PM CDT | Severe Thunderstorm Warning | MPX | Winona | 37 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.