Alert archive / Minnesota / Tornado Warnings in 1996

Tornado Warning 21, NWS Twin Cities, MN

July 21, 1996Kandiyohi County, Meeker County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 21, 1996, 9:35 PM CDT for Kandiyohi County, Meeker County, Minnesota. It was in force for 25 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: Jul 21, 1996, 9:35 PM CDT (02:35 UTC)
Expired: Jul 21, 1996, 10:00 PM CDT
In force: 25 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Kandiyohi County, MN, Meeker County, MN

The radar

The Minneapolis radar (KMPX), 100 km from the middle of the area, began a volume at 02:31 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, 2.6 hours before the alert went out and 97 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: 368 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1193 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 220236
TORMSP
MNC067-093-220300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
935 PM CDT SUN JUL 21 1996

* TORNADO WARNING FOR
  NORTHEASTERN KANDIYOHI COUNTY - CENTRAL MINNESOTA
  NORTHWESTERN MEEKER COUNTY - CENTRAL MINNESOTA

* UNTIL 1000 PM CDT
 
* SOME LOCATIONS AFFECTED
    NEW LONDON
    SPICER
    CROW RIVER
    GROVE CITY

* AT 933 PM CDT DOPPLER RADAR DETECTED A DEVELOPING TORNADO JUST
  NORTHWEST OF   NEW LONDON...OR ABOUT 15 MILES  NORTH-NORTHEAST OF
  WILLMAR.   MOVING SOUTHEAST AT 25 MPH.  A TRAINED SPOTTER ALSO
  REPORTED A FUNNEL CLOUD 5 MILES NORTHWEST OF NEW LONDON.

 GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

TDK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 7:03 PM CDT	Severe Thunderstorm Warning	MPX	Todd	42 min
Jul 21, 7:38 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	52 min
Jul 21, 8:37 PM CDT	Severe Thunderstorm Warning	MPX	Pope	43 min
Jul 21, 8:44 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	46 min
Jul 21, 8:48 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	52 min
Jul 21, 8:57 PM CDT	Tornado Warning	MPX	Kandiyohi, Stearns	33 min
Jul 21, 9:21 PM CDT	Tornado Warning	MPX	Morrison, Todd	29 min
Jul 21, 9:53 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison	37 min
Jul 21, 10:32 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Mille Lacs, Sherburne	43 min
Jul 21, 10:57 PM CDT	Tornado Warning	MPX	Isanti, Mille Lacs	23 min
Jul 21, 11:19 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	61 min

Nearby

Tornado Warnings in Minnesota, 1996 Every tornado warning in 1996 Tornadoes 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.