Alert archive / Minnesota / Tornado Warnings in 1998

Tornado Warning 50, NWS Twin Cities, MN

July 14, 1998Kandiyohi County, Renville County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 14, 1998, 9:26 PM CDT for Kandiyohi County, Renville County, Minnesota. It was in force for 34 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: Jul 14, 1998, 9:26 PM CDT (02:26 UTC)
Expired: Jul 14, 1998, 10:00 PM CDT
In force: 34 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Kandiyohi County, MN, Renville County, MN

The radar

The Minneapolis radar (KMPX), 112 km from the middle of the area, began a volume at 02:26 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.

What was reported inside it

Time	Report	Where	Remark
Jul 14, 9:40 PM CDT	Thunderstorm Wind 55	Sacred Heart, MN	Street lamps blown over. Estimated windspeed.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 14, 8:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.4 hours before the alert went out and 109 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: 2121 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 1376 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 146 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

881 
WFUS1 KMSP 150227 RRA
TORMSP
MNC067-129-150300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
926 PM CDT TUE JUL 14 1998

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA
  NORTHERN RENVILLE COUNTY IN CENTRAL MINNESOTA

* UNTIL 1000 PM CDT

* AT 925PM CDT...DOPPLER RADAR DETECTED A POSSIBLE TORNADO NEAR
  BLOMKEST...ABOUT 15 MILES SOUTH OF WILLMAR.  THE STORM WAS MOVING
  SOUTH SOUTHEAST AT 25 MPH. A SPOTTER ALSO REPORTED A TOUCHDOWN
  NEAR BLOMKEST AT 915PM CDT.

* SOME LOCATIONS AFFECTED
    THORPE
    LAKE LILLIAN
    ROSELAND
    SVEA
    BIRD ISLAND
    OLIVIA

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

CME


&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 7:05 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Stearns, Todd	60 min
Jul 14, 7:09 PM CDT	Severe Thunderstorm Warning	MPX	Douglas	31 min
Jul 14, 7:39 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	61 min
Jul 14, 8:05 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Stearns, Swift	60 min
Jul 14, 8:29 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle	61 min
Jul 14, 8:47 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	48 min
Jul 14, 9:53 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin	62 min
Jul 14, 10:01 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville, Yellow Medicine	64 min
Jul 14, 10:20 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Dakota, Scott	60 min
Jul 14, 10:20 PM CDT	Severe Thunderstorm Warning	MPX	Ramsey, Washington	60 min
Jul 14, 10:54 PM CDT	Severe Thunderstorm Warning	MPX	Brown	61 min
Jul 15, 12:43 AM CDT	Severe Thunderstorm Warning	MPX	Freeborn	47 min

Nearby

Tornado Warnings in Minnesota, 1998 Every tornado warning in 1998 Tornadoes in 1998

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; radar from the NEXRAD Level II archive.