Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 108, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 26, 1990, 3:06 AM CDT for Anoka County, Hennepin County, Minnesota. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Aug 26, 1990, 3:06 AM CDT (08:06 UTC)
- Expired
- Aug 26, 1990, 4:00 AM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Anoka County, MN, Hennepin 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, 8.1 hours before the alert went out and 37 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
- 3299 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1021 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 260807
SVRMSP
MNC003-053-260900-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
306 AM CDT SUN AUG 26 1990
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL MINNESOTA
...ANOKA...NORTHERN HENNEPIN
AT 3 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM NEAR MAPLE GROVE
15 MILES NORTH OF DOWNTOWN MINNEAPOLIS IN EAST CENTRAL MINNESOTA.
THE STORM WAS MOVING NORTHEAST AT 30 MILES AN HOUR.
LARGE HAIL IS INDICATED WITH THIS STORM.
SOME CITIES IN THE PATH OF THIS STORM INCLUDE...COON RAPIDS..ANOKA AND
BLAINE.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.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, Aug 25, 9:22 PM CDT, 5 hours 44 minutes before
MNZ011-260300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 923 PM CDT SAT AUG 26 1990 ...THUNDERSTORM WITH HEAVY RAINS MOVING ACROSS CENTRAL MINNESOTA... AT 920 PM CDT RADAR LOCATED AN INTENSE THUNDERSTORM WITH HEAVY RAIN AND SMALL HAIL ABOUT 4 MILES NORTH OF CUSHING MINNESOTA WHICH IS 48 MILES NORTHWEST OF ST CLOUD. THE THUNDERSTORM WAS MOVING EAST AT 30 MPH AND SHOULD MOVE THROUGH THE TOWN OF FORT RIPLEY AROUND 945 PM CDT. VC
Special weather statement, Aug 25, 10:37 PM CDT, 4 hours 29 minutes before
MNZ011-260410- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 1035 PM CDT SAT AUG 26 1990 ...THUNDERSTORM WITH HEAVY RAINS MOVING ACROSS CENTRAL MINNESOTA... AT 1030 PM CDT RADAR INDICATED AN INTENSE THUNDERSTORM WITH HEAVY RAIN AND SMALL HAIL. THE STORM WAS LOCATED ABOUT 3 MILES EAST OF LITTLE FALLS MINNESOTA...ABOUT 30 MILES NORTH OF ST CLOUD. THE THUNDERSTORM WAS MOVING EAST AT 30 MPH AND SHOULD MOVE THROUGH THE TOWN OF PIERZ AROUND 1050 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 LIKELY TO OCCUR WITH THIS STORM. VC
Special weather statement, Aug 25, 11:27 PM CDT, 3 hours 39 minutes before
MNZ011-260500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 1125 PM CDT SAT AUG 26 1990 ...A LINE OF THUNDERSTORMS WERE MOVING ACROSS WEST-CENTRAL MINNESOTA... AT 1020 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS WITH HEAVY RAIN...SMALL HAIL AND GUSTY WIND EXTENDING FROM ALEXANDRIA MINNESOTA SOUTH TO GRANITE FALLS ALONG THE MINNESOTA RIVER. THE THUNDERSTORMS WERE MOVING EAST AT 30 TO 35 MPH. PEOPLE IN 'THE PATH OF THESE STORMS SHOULD MOVE INDOORS AND STAY AWAY FROM WINDOWS. DEADLY LIGHTNING...BRIEF GUSTY WINDS UP TO 50 MPH AND SMALL HAIL ARE LIKELY TO OCCUR WITH THESE STORMS. VC
Special weather statement, Aug 25, 11:28 PM CDT, 3 hours 38 minutes before
MNZ011-260500- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE ST CLOUD MN 1125 PM CDT SAT AUG 26 1990 ...A LINE OF THUNDERSTORMS WERE MOVING ACROSS WEST-CENTRAL MINNESOTA... AT 1120 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS WITH HEAVY RAIN...SMALL HAIL AND GUSTY WIND EXTENDING FROM ALEXANDRIA MINNESOTA SOUTH TO GRANITE FALLS ALONG THE MINNESOTA RIVER. THE THUNDERSTORMS WERE MOVING EAST AT 30 TO 35 MPH. PEOPLE IN TH(E PATH OF THESE STORMS SHOULD MOVE INDOORS AND STAY AWAY FROM WINDOWS. DEADLY LIGHTNING...BRIEF GUSTY WINDS UP TO 50 MPH AND SMALL HAIL ARE LIKELY TO OCCUR WITH THESE STORMS. VC
Special weather statement, Aug 26, 2:16 AM CDT, 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORECAST OFFICE MINNEAPOLIS/ST PAUL MN
220 AM CDT SAT AUG 25 1990
THE NATIONAL WEATHER SERVICE HAS CLEARED A PORTION OF SEVERE
THUNDERSTORM WATCH NUMBER 680. THE COUNTIES THAT HAVE BEEN CLEARED
FROM THE WATCH ARE...
NORTHCENTRAL.......HUBBARD..NORTHERN CASS
CENTRAL............WADENA..SOUTHERN CASS..CROW WING..TODD..MORRISON..
STEARNS..BENTON..KANDIYOHI..MEEKER..
EASTCENTRAL........AITKIN..MILLE LACS..
JHMSpecial weather statement, Aug 26, 2:55 AM CDT, 11 minutes before
MNZ012-014-016-017-WIZ003-006-260845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 255 AM CDT SUN AUG 26 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR CENTRAL SECTIONS OF MINNESOTA INCLUDING THE TWIN CITIES METRO AREA UNTIL 5AM... AT 245 AM CDT...STRONG THUNDERSTORMS CONTINUED OVER EAST CENTRAL AND SOUTHWEST MINNESOTA AND EXTENDED INTO NORTHWEST WISCONSIN. THE STRONGEST STORMS WERE LOCATED OVER CARVER...HENNEPIN...ANOKA AND ISANTI COUNTIES IN EAST CENTRAL MINNESOTA AND IN BURNETT COUNTY IN NORTHWEST WISCONSIN. VERY HEAVY RAINS...SMALL HAIL AND WIND GUSTS FROM 40 TO 50 MPH CAN BE EXPECTED WITH THE STORMS AS THEY MOVE EAST NORTHEAST AT 35 MPH. THE STORMS WILL BE MOVING THRU THE TWIN CITIES AREA BETWEEN 3 AM AND 4AM THIS MORNING. STRONG THUNDERSTORMS WERE ALSO LOCATED OVER SOUTHWEST MINNESOTA FROM NEAR MARSHALL TO NEAR REDWOOD FALLS. MOVEMENT WAS ALSO EAST NORTHEAST AT 35 MILES AN HOUR. SES
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 8:05 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 55 min |
| Aug 25, 11:07 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 53 min |
| Aug 25, 11:52 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 38 min |
| Aug 26, 12:20 AM CDT | Severe Thunderstorm Warning | MPX | Stearns | 55 min |
| Aug 26, 12:36 AM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 54 min |
| Aug 26, 12:52 AM CDT | Severe Thunderstorm Warning | MPX | Benton | 38 min |
| Aug 26, 1:11 AM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs, Sherburne | 64 min |
| Aug 26, 5:42 AM CDT | Severe Thunderstorm Warning | MPX | Olmsted, Wabasha | 63 min |
| Aug 26, 6:22 AM CDT | Severe Thunderstorm Warning | MPX | Winona | 53 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.