Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 109, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 26, 1990, 5:42 AM CDT for Olmsted County, Wabasha County, Minnesota. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Aug 26, 1990, 5:42 AM CDT (10:42 UTC)
- Expired
- Aug 26, 1990, 6:45 AM CDT
- In force
- 63 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Olmsted County, MN, Wabasha 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, 10.7 hours before the alert went out and 129 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 KRST 261042
SVRRST
MNC157-109-261145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
542 AM CDT SUN AUG 26 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 645 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHEAST PART OF MINNESOTA
WABASHA...EASTERN OLMSTED
THIS WARNING INCLUDES THE TOWNS OF EYOTA...ST.CHARLES...AND WABASHA.
AT 525 AM CDT A SEVERE THUNDERSTORM WAS LOCATED NEAR ROCHESTER
AND WAS MOVING EAST AT 35 MPH TOWARD EYOTA...ST. CHARLES...AND
WABASHA. AT 525 AM CDT WIND GUSTS OF 60 MPH WERE RECORDED AT
THE ROCHESTER AIRPORT.
IF YOU ARE IN AN AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN...AND LIGHTNING.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING. BE ON THE LOOKOUT.
SWENSONWhat 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 26, 2:16 AM CDT, 3 hours 26 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, 2 hours 47 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
Special weather statement, Aug 26, 3:51 AM CDT, 1 hour 51 minutes before
MNZ012-014-016-017-WIZ003-006-260945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 350 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 333 AM CDT...STRONG THUNDERSTORMS CONTINUED OVER EAST CENTRAL AND SOUTHWEST MINNESOTA AND EXTENDED INTO NORTHWEST WISCONSIN. THE STRONGEST STORMS EXTENDED FROM NEAR NEW ULM TO HUTCHINSON THEN ACROSS THE NORTHERN SECTIONS OF THE TWIN CITIES METRO AREA TO NEAR ST CROIX FALLS TO SOUTH OF RUSH CITY. VERY HEAVY RAINS...HAIL UP 1/2 INCH IN DIAMETER ALONG WITH WIND GUSTS OF 40 TO 50 MPH HAVE BEEN REPORTED WITH THE STORMS. ALSO A PERSON WAS STRUCK BY LIGHTNING AT PLYMOUTH IN THE NORTHERN SUBURBS OF THE TWIN CITIES ABOUT 3AM THIS MORNING. STRONG THUNDERSTORMS WILL BE LOCATED ALONG A LINE FROM NEAR RICE LAKE IN WEST CENTRAL WISCONSIN THEN ACROSS THE TWIN CITIES METRO AREA THRBU LE SEUR TO NEAR MANKATO FROM 415 TO 5AM THIS MORNING. SES
Special weather statement, Aug 26, 4:55 AM CDT, 47 minutes before
MNZ016-018-019-WIZ003-006-261045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 450 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 435 AM CDT...AN AREA OF STRONG THUNDERSTORMS WAS LOCATED FROM SOUTH CENTRAL INTO EAST CENTRAL MINNESOTA AND THEN INTO WEST CENTRAL WISCONSIN. THE STRONGEST STORMS WERE LOCATED FROM SOUTHEAST OF MANKATO THRU THE TWIN CITIES THEN EAST AND SOUTHEAST ACROSS WEST CENTRAL WISCONSIN THRU EAU CLAIRE TO NEAR MARSHFIELD. VERY HEAVY RAINS ALONG WITH PEA TO MARBLE SIZE HAIL AND WIND GUSTS OF 40 TO 50 MPH CAN BE EXPECTED WITH THE STORMS AS THEY MOVE EAST AT 35 MILES AN HOUR. SOME STREET FLOODING MAY ALSO OCCUR WITH THESE STORMS AS THEY REPEATEDLY MOVE OVER THE SAME AREAS. THE STORMS WILL BE LOCATED ALONG A LINE FROM NEAR WAUSAU WISCONSIN THRU EAU CLAIRE THEN DOWN THRU RED WING TO WEST OF ROCHESTER BETWEEN 5 AM 6AM THIS MORNING. SES
Special weather statement, Aug 26, 5:25 AM CDT, 17 minutes before
MNZ016-018-019-WIZ003-006-261200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 520 AM CDT SUN AUG 26 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 7AM FOR MUCH OF CENTRAL AND NORTHERN WISCONSIN... AT 520 AM A LINE OF VERY STRONG THUNDERSTORMS WAS LOCATED ACROSS WESTERN DUNN...NORTHERN PEPIN...AND INTO BARRON COUNTY OF WEST CENTRAL WISCONSIN. IT STRETCHED NORTH TO SOUTH FROM NEAR BARRON IN BARRON COUNTY TO NEAR THE WHEELER...MENOMONINE AREA OF DUNN COUNTY INTO THE DURAND AREA OF PEPIN COUNTY. THE LEADING EDGE WAS ABOUT 15 MILES WEST OF EAU CLAIRE. VERY HEAVY RAINS ALONG WITH PEA TO MARBLE SIZE HAIL AND WIND GUSTS OF 40 TO 50 MPH CAN BE EXPECTED WITH THE STORMS AS THEY MOVE EAST AT 35 MILES AN HOUR. SOME STREET FLOODING MAY ALSO OCCUR WITH THESE STORMS AS THEY REPEATEDLY MOVE OVER THE SAME AREAS. SOME CITIES IN THE PATH OF THESE THUNDERSTORMS BETWEEN 525 AND 625 AM ARE...EAU CLAIRE..CHIPPEWA FALLS.. BLOOMER..AND CORNELL. OTHER VERY STRONG THUNDERSTORMS EXTENDED ACROSS SOUTHEAST MINNESOTA FROM AROUND 15 MILES WEST OF ROCHESTER INTO THE WABASHA AREA. PAULSON
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, 3:06 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin | 54 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.