Alert archive / Minnesota / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 39, NWS Twin Cities, MN

May 28, 1991Blue Earth County, Brown County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 28, 1991, 10:10 PM CDT for Blue Earth County, Brown County, Minnesota. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
May 28, 1991, 10:10 PM CDT (03:10 UTC)
Expired
May 28, 1991, 10:40 PM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Blue Earth County, MN, Brown County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 3.2 hours before the alert went out and 101 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 1991-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 674 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 1991-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.19395878Sfc1 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
674 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
903 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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
May 28, 8:12 PM CDTSevere Thunderstorm WarningMPXRedwood48 min
May 28, 8:26 PM CDTSevere Thunderstorm WarningMPXKandiyohi49 min
May 28, 8:28 PM CDTTornado WarningMPXRedwood32 min
May 28, 8:51 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville54 min
May 28, 8:54 PM CDTSevere Thunderstorm WarningMPXSherburne21 min
May 28, 8:59 PM CDTSevere Thunderstorm WarningMPXAnoka, Isanti46 min
May 28, 9:02 PM CDTSevere Thunderstorm WarningMPXMeeker43 min
May 28, 9:25 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley, Wright50 min
May 28, 9:40 PM CDTSevere Thunderstorm WarningMPXChisago50 min
May 28, 10:02 PM CDTSevere Thunderstorm WarningMPXCarver43 min
May 28, 10:10 PM CDTSevere Thunderstorm WarningMPXNicollet35 min
May 28, 10:20 PM CDTSevere Thunderstorm WarningMPXSibley40 min
May 28, 10:27 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Scott48 min
May 28, 10:48 PM CDTSevere Thunderstorm WarningMPXLe Sueur27 min
May 28, 10:57 PM CDTSevere Thunderstorm WarningMPXAnoka, Ramsey, Washington63 min
May 28, 10:57 PM CDTSevere Thunderstorm WarningMPXDakota63 min
May 28, 11:11 PM CDTSevere Thunderstorm WarningMPXRice49 min
May 28, 11:39 PM CDTSevere Thunderstorm WarningMPXGoodhue36 min
May 29, 1:22 AM CDTSevere Thunderstorm WarningMPXStearns53 min
May 29, 2:18 AM CDTSevere Thunderstorm WarningMPXMorrison27 min
May 29, 3:25 AM CDTSevere Thunderstorm WarningMPXBenton, Stearns35 min
May 29, 3:38 AM CDTSevere Thunderstorm WarningMPXMorrison37 min
May 29, 3:53 AM CDTSevere Thunderstorm WarningMPXWright22 min
May 29, 3:58 AM CDTSevere Thunderstorm WarningMPXMeeker, Stearns32 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1991Every severe thunderstorm warning in 1991

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.