Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 114, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 27, 1990, 10:21 PM CDT for Isanti County, Minnesota. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Aug 27, 1990, 10:21 PM CDT (03:21 UTC)
- Expired
- Aug 27, 1990, 11:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Isanti 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 00:00Z, 3.4 hours before the alert went out and 83 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
- NaN m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 280321
SVRMSP
MNC059-280415-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1021 PM CDT MON AUG 27 1990
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL MINNESOTA
...SOUTHERN ISANTI
AT 1018 PM...A SEVERE THUNDERSTORM WAS OCCURRING IN THE EXTREME
NORTHEASTERN PART OF SHERBERNE COUNTY IN EAST CENTRAL MINNESOTA...JUST
SOUTH OF PRINCETON...ABOUT 25 MILES EAST OF ST CLOUD. THREE INCH HAIL
FELL AT FOLEY AND RICE IN BENTON COUNTY OF CENTRAL MINNESOTA SINCE 930
PM. MOVEMENT WAS TO THE SOUTHEAST AT 30 MILES AN HOUR. CITIES IN THE
PATH OF THIS STORM INCLUDE SPENCERBROOK...OXLIP...AND ISANTI.
WHEN THUNDERSTORMS ARE OCCURRING..MOVE INSIDE A STRONG BUILDING
DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL
APPLIANCES UNLESS IN AN EMERGENCY. REMEMB>ER SEVERE THUNDERSTORMS
CAN AND OCCASIONALLY DO PRODUCE TORNADOS WITH LITTLE OR NO WARNING.
DOMBROWSKYWhat 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, Aug 27, 8:19 PM CDT, 2 hours 2 minutes before
MNZ011-280200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 720 PM CDT SAT AUG 26 1990 ...A LARGE ISOLATED THUNDERSTORM DEVELOPED OVER CENTRAL MINNESOTA... AT 715 PM CDT RADAR INDICATED A STRONG THUNDERSTORM WITH HEAVY RAIN HAD DEVELOPED OVER CENTRAL MINNESOTA. THE THUNDERSTORM WAS LOCATED NEAR SWANVILLE...35 MILES NORTHWEST OF ST CLOUD...IT EXTENDED EAST TO LITTLE FALLS WHICH IS 30 MILES NORTH OF ST CLOUD. THE THUNDERSTORM WAS MOVING EAST AT 25 TO 30 MPH. PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE INDOORS AND STAY AWAY FROM WINDOWS. DEADLY LIGHTNING...BRIEF GUSTY WINDS UP TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM. VC
Special weather statement, Aug 27, 8:20 PM CDT, 2 hours 1 minute before
MNZ011-280200- SPECIAL WEATHER STATEMENT...CORRECTED FOR TIME NATIONAL WEATHER SERVICE ST CLOUD MN 820 PM CDT SAT AUG 26 1990 ...A LARGE ISOLATED THUNDERSTORM DEVELOPED OVER CENTRAL MINNESOTA... AT 815 PM CDT RADAR INDICATED A STRONG THUNDERSTORM WITH HEAVY RAIN HAD DEVELOPED OVER CENTRAL MINNESOTA. THE THUNDERSTORM WAS LOCATED NEAR SWANVILLE...35 MILES NORTHWEST OF ST CLOUD...IT EXTENDED EAST TO LITTLE FALLS WHICH IS 30 MILES NORTH OF ST CLOUD. THE THUNDERSTORM WAS MOVING EAST AT 25 TO 30 MPH. PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE INDOORS AND STAY AWAY FROM WINDOWS. DEADLY LIGHTNING...BRIEF GUSTY WINDS UP TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM. VC
Special weather statement, Aug 27, 8:40 PM CDT, 1 hour 41 minutes before
MNZALL-WIZ003-006-280245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 840 PM CDT MON AUG 27 1990 ...VERY STRONG THUNDERSTORMS DEVELOP OVER CENTRAL MINNESOTA... AT 830 PM...A VERY STRONG THUNDERSTORM WAS OCCURRING NEAR SWANVILLE IN MORRISON COUNTY OF CENTRAL MINNESOTA...ABOUT 30 MILES NORTHWEST OF ST CLOUD. THIS STORM IS MOVING TO THE EAST AT 25 TO 35 MILES AN HOUR. IT HAS THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...HAIL ...FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SHOULD REMAIN ALERT AND BE PREPARED TO SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES. TOWNS IN THE PATH OF THIS STORM INCLUDE SOBIESKI...GREGORY...AND LITTLE FALLS. ANOTHER VERY STRONG THUNDERSTORM WAS OCCURRING 10 MILES EAST OF PINE RIVER IN CROW WING COUNTY. IT WAS MOVING TO THE EAST AT 25 MILES AN HOUR. KRAFT
Special weather statement, Aug 27, 8:50 PM CDT, 1 hour 31 minutes before
MNZ011-280215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 850 PM CDT SAT AUG 26 1990 ...A LARGE ISOLATED THUNDERSTORM DEVELOPED OVER CENTRAL MINNESOTA... AT 845 PM CDT RADAR INDICATED A STRONG THUNDERSTORM WITH HEAVY RAIN LOCATED 5 MILES SOUTH OF LITTLE FALLS ALONG THE MISSISSIPPI RIVER. THE STORM EXTENDED WEST TO HOLDINGFORD...16 MILES NORTHWEST OF ST CLOUD. THE THUNDERSTORM WAS MOVING SOUTHEAST 25 MPH. IT WILL MOVE THROUGH THE CITY OF RICE AROUND 9 PM CDT. PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE INDOORS AND STAY AWAY FROM WINDOWS. DEADLY LIGHTNING...BRIEF GUSTY WINDS UP TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM. VC
Special weather statement, Aug 27, 8:53 PM CDT, 1 hour 28 minutes before
MNZ011-280215- SPECIAL WEATHER STATEMENT...CORRECTED FOR DATE NATIONAL WEATHER SERVICE ST CLOUD MN 850 PM CDT MON AUG 27 1990 ...A LARGE ISOLATED THUNDERSTORM DEVELOPED OVER CENTRAL MINNESOTA... AT 845 PM CDT RADAR INDICATED A STRONG THUNDERSTORM WITH HEAVY RAIN LOCATED 5 MILES SOUTH OF LITTLE FALLS ALONG THE MISSISSIPPI RIVER. THE STORM EXTENDED WEST TO HOLDINGFORD...16 MILES NORTHWEST OF ST CLOUD. THE THUNDERSTORM WAS MOVING SOUTHEAST 25 MPH. IT WILL MOVE THROUGH THE CITY OF RICE AROUND 9 PM CDT. PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE INDOORS AND STAY AWAY FROM WINDOWS. DEADLY LIGHTNING...BRIEF GUSTY WINDS UP TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM. VC
Special weather statement, Aug 27, 8:59 PM CDT, 1 hour 22 minutes before
MNZALL-WIZ003-006-280300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 900 PM CDT MON AUG 27 1990 ...POWERFUL THUNDERSTORMS ENTERING BENTON COUNTY IN OVER CENTRAL MINNESOT AT 855 PM...A VERY STRONG THUNDERSTORM WAS OCCURRING FROM ROYALTON TO LITTLE ROCK IN EXTREME SOUTHERN MORRISON COUNTY OF CENTRAL MINNESOTA ...ABOUT 20 MILES NORTH OF ST CLOUD. THIS STORM IS MOVING TO THE SOUTHEAST AT 25 TO 35 MILES AN HOUR. IT MAY PRODUCE STRONG WIND GUSTS... ...HAIL...FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SHOULD REMAIN ALERT AND BE PREPARED TO SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES. TOWNS IN THE PATH OF THIS STORM INCLUDE ROYALTON...LITTLE ROCK...RICE...SKAJA... MAYHEW...JAKEVILLE...GILMAN...AND FOLEY. KRAFT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 9:02 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Stearns | 58 min |
| Aug 27, 9:47 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne | 48 min |
| Aug 27, 9:58 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs | 37 min |
| Aug 27, 10:44 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago | 31 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1990Every severe thunderstorm warning in 1990
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.