Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 204, NWS Twin Cities, MN

September 10, 1996Isanti County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 10, 1996, 3:15 AM CDT for Isanti County, Minnesota. It was in force for 30 min. 1 report 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
Sep 10, 1996, 3:15 AM CDT (08:15 UTC)
Expired
Sep 10, 1996, 3:45 AM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Isanti County, MN

What was reported inside it

TimeReportWhereRemark
Sep 10, 3:30 AM CDTThunderstorm Wind 50Bradford, 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.3 hours before the alert went out and 83 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 1996-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1996-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2077 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
219 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 KMSP 100816
SVRMSP
MNC059-100845-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
315 AM CDT TUE SEP 10 1996

* SEVERE THUNDERSTORM WARNING FOR
  ISANTI COUNTY - EAST CENTRAL MINNESOTA

* UNTIL 345 AM CDT
 
* SOME LOCATIONS AFFECTED
    CROWN
    ISANTI
    CAMBRIDGE

* AT 315 AM CDT DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 15
  MILES SOUTHWEST OF CAMBRIDGE MOVING EAST AT 30 MPH.

THIS IS A DANGEROUS STORM...WITH LARGE HAIL. STAY INDOORS AWAY FROM
WINDOWS.

MCBEATH PETERS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 2:37 AM CDTSevere Thunderstorm WarningMPXLac qui Parle43 min
Sep 10, 3:42 AM CDTSevere Thunderstorm WarningMPXSwift48 min
Sep 10, 2:49 PM CDTSevere Thunderstorm WarningMPXFaribault61 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1996Every severe thunderstorm warning in 1996

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.