Alert archive / Minnesota / Tornado Warnings in 1997

Tornado Warning 9, NWS Twin Cities, MN

July 1, 1997Renville County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 1, 1997, 5:17 PM CDT for Renville County, Minnesota. It was in force for 43 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 1, 1997, 5:17 PM CDT (22:17 UTC)
Expired: Jul 1, 1997, 6:00 PM CDT
In force: 43 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

County Renville County, MN

The radar

The Minneapolis radar (KMPX), 110 km from the middle of the area, began a volume at 22:17 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 1, 3:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.3 hours before the alert went out and 107 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: 1531 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 923 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 012219 RRA
TORMSP
MNC129-012300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
517 PM CDT TUE JUL 1 1997

* TORNADO WARNING FOR
  EASTERN RENVILLE COUNTY - SOUTH CENTRAL MINNESOTA

* UNTIL 600 PM CDT
 
* SOME LOCATIONS AFFECTED
    BUFFALO LAKE
    HECTOR
    BIRD ISLAND

* AT 515 PM CDT DOPPLER RADAR DETECTED A DEVELOPING TORNADO 20
  MILES WEST OF HUTCHINSON NEAR BIRD ISLAND.  THE STORM WAS MOVING
 x NORTHEAST AT 20 MPH.

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

HOWIESON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 3:13 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	32 min
Jul 1, 3:46 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift	44 min
Jul 1, 4:42 PM CDT	Severe Thunderstorm Warning	MPX	Pope, Swift	63 min
Jul 1, 5:03 PM CDT	Severe Thunderstorm Warning	MPX	Renville	57 min
Jul 1, 5:04 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	56 min
Jul 1, 5:23 PM CDT	Tornado Warning	MPX	Chippewa, Kandiyohi	37 min
Jul 1, 5:34 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	56 min
Jul 1, 6:01 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	29 min
Jul 1, 6:25 PM CDT	Severe Thunderstorm Warning	MPX	Renville	50 min
Jul 1, 6:28 PM CDT	Tornado Warning	MPX	Wright	32 min
Jul 1, 6:35 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	55 min
Jul 1, 6:39 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	51 min
Jul 1, 6:39 PM CDT	Tornado Warning	MPX	Meeker	36 min
Jul 1, 6:46 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Sherburne	49 min
Jul 1, 6:55 PM CDT	Tornado Warning	MPX	Wright	35 min
Jul 1, 6:58 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Sibley	62 min
Jul 1, 6:58 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	62 min

Nearby

Tornado Warnings in Minnesota, 1997 Every tornado warning in 1997 Tornadoes in 1997

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.