Alert archive / Minnesota / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 57, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 11, 1988, 6:00 PM CDT for Mille Lacs County, Morrison County, Minnesota. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Aug 11, 1988, 6:00 PM CDT (23:00 UTC)
- Expired
- Aug 11, 1988, 7:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Mille Lacs County, MN, Morrison 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, 11.0 hours before the alert went out and 128 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
- 2519 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -56 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTC 112303 SVRSTC MNC095-097-120000- BULLETIN-IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST CLOUD MN 600 PM CDT THU AUG 11 1988 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF CENTRAL MINNESOTA...EASTERN MORRISON AND NORTH MILLE LACS INCLUDING MILLE LACS LAKE AND THE CITIES OF LASTRUP...ONAMIA AND IASLE. AT 558 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM IN CENTRAL MORRISON COUNTY 35 MILES NORTHEAST OF ST. CLOUD MOVING NORTHEAST AT 20 MPH. REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN THAT CAN QUICKLY FLOOD LOW LYING AREAS...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY...A BASEMENT...OR A REINFORCED ROOM ON THE LOWEST FLOOR...LEAVE MOBILE HOMES. BE READY TO ACT IMMEDIATELY. FRASER/YOUNG
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, Aug 11, 1:20 PM CDT, 4 hours 40 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST. CLOUD MN
120 PM CDT THU AUG 11 1988
...ATTN SELS...PRELIMINARY STORM REPORT FROM AUG 11 1988.
1215 PM CDT LIGHTNING STRIKE FATALITY. ONE PERSON IN AI BOAT
ON SAUK LAKE...3 MILES NORTH OF SAUK CENTRE MINNESOTA..
38 MILES WEST-NORTHWEST OF ST. CLOUD. RELAYED REPORT
FROM STEARNS COUNTY SHERIFFS DEPARTMENT.
FRASERSpecial weather statement, Aug 11, 2:07 PM CDT, 3 hours 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 200 PM CDT THU AUG 11 1988 ...STRONG THUNDERSTORMS MOVING ACROSS CENTRAL MINNESOTA... AT 200 PM CDT A BAND OF STRONG THUNDERSTORMS EXTENDED FROM LONG PRAIRIE...25 MILES NORTHEAST OF ALEXANDRIA...TO JUST NORTHWEST OF THE TWIN CITIES. THE STRONGEST THUNDERSTORM WAS LOCATED ABOUT 20 MILES SOUTHEAST OF LONG PRAIRIE AND ANOTHER STRONG STORM ABOUT 10 MILES WEST OF ST CLOUD. AT 155 PM CDT THE LONG PRAIRIE SHERIFFS DEPARTMENT REPORTED PEA SIZE HAIL NEARLY COVERING THE GROUND ALONG WITH BRIEF HEAVY RAIN. PERSONS IN CENTRAL MINNESOTA CAN EXPECT SMALL HAIL...BRIEF HEAVY RAIN AND DANGEROUS LIGHTNING AS THESE STORMS MOVE EAST AT 15 MPH. YOUNG
Local storm report, Aug 11, 4:56 PM CDT, 1 hour 4 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST. CLOUD MN
455 PM CDT THU AUG 11 1988
...ATTN SELS...PRELIMINARY STORM REPORT FROM AUG 11 1988.
310 PM CDT PRINCETON MINNESOTA IN MILLE LACS COUNTY...28 MILES
EAST OF ST. CLOUD. TORRENTIAL RAIN ESTIMATED 3 INCHS
IN 15 MINUTES. WIND GUSTS TO 65 MPH. 1 INCH HAIL.
WATER BUMPER DEEP ON CITY MAIN STREET.
FOLLOW UP ON LIGHTNING FATALITY REPORT THIS DATE 1215 PM...
FATALITY..65 YEAR OLD MALE IN BOAT WITH ONE OTHER
PERSON. OTHER PERSON RECEIVED NO INJURIES.
FRASERSpecial weather statement, Aug 11, 5:49 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 545 PM CDT THU AUG 11 1988 ...STRONG THUNDERSTORMS AGAIN MOVING ACROSS CENTRAL MINNESOTA... AT 545 PM CDT A BAND OF STRONG THUNDERSTORMS EXTENDED FROM JUST EAST OF LONG PRAIRIE...25 MILES NORTHEAST OF ALEXANDRIA...TO NEAR NEW LONDON...15 MILES NORTHEAST OF WILLMAR. STRONGER THUNDERSTORMS WERE LOCATED NEAR GREY EAGLE IN EXTREME SOUTHEAST TODD COUNTY AND BETWEEN BELGRADE AND PAYNESVILLE IN SOUTHWEST STEARNS COUNTY. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE THUNDERSTORMS... HOWEVER...BRIEF HEAVY RAIN...GUSTY WINDS AND DANGEROUS LIGHTNING CAN BE EXPECTED AS THE STORMS MOVE EAST AT 15 MPH. YOUNG
Special weather statement, Aug 11, 5:52 PM CDT, 8 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE ST CLOUD MN 545 PM CDT THU AUG 11 1988 ...STRONG THUNDERSTORMS AGAIN MOVING ACROSS CENTRAL MINNESOTA... ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM CDT... AT 545 PM CDT A BAND OF STRONG THUNDERSTORMS EXTENDED FROM JUST EAST OF LONG PRAIRIE...25 MILES NORTHEAST OF ALEXANDRIA...TO NEAR NEW LONDON...15 MILES NORTHEAST OF WILLMAR. STRONGER THUNDERSTORMS WERE LOCATED NEAR GREY EAGLE IN EXTREME SOUTHEAST TODD COUNTY AND BETWEEN BELGRADE AND PAYNESVILLE IN SOUTHWEST STEARNS COUNTY. NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE THUNDERSTORMS... HOWEVER...BRIEF HEAVY RAIN...GUSTY WINDS AND DANGEROUS LIGHTNING CAN BE EXPECTED AS THE STORMS MOVE EAST AT 15 MPH. YOUNG
Special weather statement, Aug 11, 5:55 PM CDT, 5 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 545 PM CDT THU AUG 11 1988 ...SEVERE THUNDERSTORM WATCH FOR CENTRAL MINNESOTA INCLUDING THE TWIN CITIES UNTIL 1000 PM... AT 530 PM RADAR INDICATED THUNDERSTORMS WITH SMALL HAIL AND HEAVY RAIN 10 MILES NORTHWEST OF MENOMONIE WISCONSIN IN DUNN COUNTY. THESE THUNDERSTORMS WERE THE STRONGEST ON THE TWIN CITIES WEATHER RADAR AT 530 THIS AFTERNOON AND WERE MOVING SOUTHEAST AT 35 MILES AN HOUR. THESE THUNDERSTORMS WERE PART OF AN AREA OF SHOWERS AND THUNDRSTORMS THAT EXTENDED NORTH TO BARRON COUNTY TO THE WEST OF RICE LAKE AND BACK INTO EAST CENTRAL MINNESOTA ACROSS THE ST CROIX RIVER AND THROUGH THE CITIES OF CAMBRIDGE..PINE CITY AND HINCKLEY. ELSEWHERE THUNDERSTORMS WERE ALSO LOCATED WEST OF ST CLOUD IN WEST CENTRAL MINNESOTA. THESE THUNDERSTORMS WERE LOCATED ACROSS WESTERN STEARNS COUNTY FROM JUST NORTH OF NEW LONDON TO LONG PRAIRIE. WJH
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 2:52 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs, Sherburne | 48 min |
| Aug 11, 3:14 PM CDT | Severe Thunderstorm Warning | MPX | Isanti | 46 min |
| Aug 11, 3:20 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 55 min |
| Aug 11, 4:04 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Isanti | 41 min |
| Aug 11, 4:31 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Ramsey, Washington | 59 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1988Every severe thunderstorm warning in 1988
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.