Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 22, NWS Twin Cities, MN

June 1, 1990Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 1, 1990, 8:36 PM CDT for Todd County, Minnesota. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1990, 8:36 PM CDT (01:36 UTC)
Expired
Jun 1, 1990, 9:30 PM CDT
In force
54 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Todd 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, 1.6 hours before the alert went out and 169 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 1990-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 860 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 1990-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
860 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
1531 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 7:48 PM CDTSevere Thunderstorm WarningMPXPope42 min
Jun 1, 10:28 PM CDTSevere Thunderstorm WarningMPXTodd47 min
Jun 2, 12:59 PM CDTSevere Thunderstorm WarningMPXDakota, Washington51 min
Jun 2, 1:12 PM CDTSevere Thunderstorm WarningMPXHennepin, Ramsey38 min
Jun 2, 1:33 PM CDTSevere Thunderstorm WarningMPXWabasha27 min
Jun 2, 1:33 PM CDTSevere Thunderstorm WarningMPXOlmsted17 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.