Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 11, NWS Twin Cities, MN

May 22, 1990Benton County, Morrison County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 22, 1990, 4:07 PM CDT for Benton County, Morrison County, Stearns County, Minnesota. It was in force for 53 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 22, 1990, 4:07 PM CDT (21:07 UTC)
Expired: May 22, 1990, 5:00 PM CDT
In force: 53 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Benton County, MN, Morrison County, MN, Stearns County, MN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where
May 22, 4:20 PM CDT	Hail 0.75	Stearns, MN
May 22, 4:40 PM CDT	Hail 0.75	Morrison, MN
May 22, 4:40 PM CDT	Hail 0.75	Stearns, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 9.1 hours before the alert went out and 114 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1111 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTC 222114 COR
SVRSTC
MNC009-097-145-121-222200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST CLOUD MN
407 PM CDT TUE MAY 22 1990

THE NATIONAL WEATHER SERVICE IN ST CLOUD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...

IN CENTRAL MINNESOTA
          ...NORTHWESTERN BENTON...SOUTHERN MORRISON
          ...WESTERN STEARNS
IN WEST CENTRAL MINNESOTA
          ...POPE

INCLUDING THE CITIES OF LOWRY...GLENWOOD...SAUK CENTRE...UPSALA...
ROYALTON...AND RICE.

AT 4 PM CDT LARGE HAIL AND DAMAGING WIND WAS REPORTED AT VILLARD    
MINNESOTA...53 MILES WEST-NORTHWEST OF ST. CLOUD MINNESOTA.
     
THE STORMS WERE MOVING SOUTHEAST AT 20 TO 25 MPH.



THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. BOATERS SHOULD MOVE OFF LAKES TO NEARBY
SHELTER. PEBOPLE OUTSIDE SHOULD MOVE INSIDE STRONG BUILDINGS BUT
STAY AWAY FROM WINDOWS.

NNNN

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 22, 3:11 PM CDT	Severe Thunderstorm Warning	MPX	Todd	64 min
May 22, 3:40 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	35 min
May 22, 3:46 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	29 min
May 22, 4:07 PM CDT	Severe Thunderstorm Warning	MPX	Pope	53 min
May 22, 4:26 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Stearns	54 min
May 22, 5:05 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	55 min
May 22, 5:42 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	33 min
May 22, 6:13 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Renville, Sibley	32 min
May 22, 6:59 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet	61 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1990 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.