Alert archive / Minnesota / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Twin Cities, MN

May 17, 1996Isanti County, Kanabec County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 17, 1996, 10:19 PM CDT for Isanti County, Kanabec County, Minnesota. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 17, 1996, 10:19 PM CDT (03:19 UTC)
Expired
May 17, 1996, 11:00 PM CDT
In force
41 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Isanti County, MN, Kanabec County, MN

The radar

The Minneapolis radar (KMPX), 103 km from the middle of the area, began a volume at 03:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.3 hours before the alert went out and 103 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 1996-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3047 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 1996-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
3047 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1569 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
1.0
Supercell composite
12.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 180320
SVRMSP
MNC059-065-180400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1019 PM CDT FRI MAY 17 1996
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MINNESOTA
 
   ...ISANTI COUNTY...SOUTHERN KANABEC COUNTY
 
AT 1015 PM...RADAR INDICATED A SEVERE THUNDERSTORM BETWEEN MILLACA AND
PRINCETON OR 20 MILES WEST OF CAMBRIDGE. THE STORM WAS MOVING NORTHEAST
AT 40 TO 50 MPH AND WILL LIKELY AFFECT MORA...CAMBRIDGE AND OGILVIE
THROUGH 11 PM.
 
THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL.
 
A TORNADO WATCH IS AL*SO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING.  BE READY TO
QUICKLY MOVE TO THE BASEMENT.
 
JJ/MKT

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:00 PM CDTTornado WarningMPXDouglas, Pope45 min
May 17, 7:20 PM CDTSevere Thunderstorm WarningMPXStearns, Todd40 min
May 17, 7:49 PM CDTTornado WarningMPXPope11 min
May 17, 7:56 PM CDTSevere Thunderstorm WarningMPXMorrison, Stearns49 min
May 17, 8:03 PM CDTTornado WarningMPXTodd27 min
May 17, 8:28 PM CDTSevere Thunderstorm WarningMPXTodd17 min
May 17, 8:41 PM CDTSevere Thunderstorm WarningMPXBenton, Morrison, Stearns49 min
May 17, 9:05 PM CDTSevere Thunderstorm WarningMPXRenville40 min
May 17, 9:44 PM CDTSevere Thunderstorm WarningMPXSherburne, Stearns31 min
May 17, 9:49 PM CDTSevere Thunderstorm WarningMPXMartin, Watonwan26 min
May 17, 10:03 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs, Sherburne27 min
May 17, 10:10 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Nicollet35 min
May 18, 1:27 AM CDTSevere Thunderstorm WarningMPXFillmore, Houston33 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.