Alert archive / Minnesota / Tornado Warnings in 1997

Tornado Warning 18, NWS Twin Cities, MN

July 1, 1997Meeker County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 1, 1997, 10:17 PM CDT for Meeker 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, 10:17 PM CDT (03:17 UTC)
Expired: Jul 1, 1997, 11:00 PM CDT
In force: 43 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

County Meeker County, MN

The radar

The Minneapolis radar (KMPX), 82 km from the middle of the area, began a volume at 03:20 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 79 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: 1759 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1186 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 303 m²/s²
0-3 km storm-relative helicity: 455 m²/s²
Significant tornado parameter: 4.3
Supercell composite: 21.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 020317 RRA
TORMSP
MNC093-020400-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1017 PM CDT TUE JUL 1 1997

* TORNADO WARNING FOR
  MEEKER COUNTY - CENTRAL MINNESOTA

* UNTIL 1100 PM CDT
 
* SOME LOCATIONS AFFECTED
    COSMOS
    GREENLEAF
    ROSENDALE
    DARWIN

* AT 1015 PM CDT DOPPLER RADAR DETECTED A POSSIBLE TORNADO NEAR
  COSMOS...OR 20 MILES NORTHWEST OF HUTCHINSON.  THE STORM WAS
  MOVING EAbST AT 40 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, 7:26 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti	64 min
Jul 1, 7:26 PM CDT	Severe Thunderstorm Warning	MPX	Ramsey	64 min
Jul 1, 7:33 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Wright	42 min
Jul 1, 7:53 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Sibley	37 min
Jul 1, 7:53 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	37 min
Jul 1, 7:56 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	64 min
Jul 1, 8:01 PM CDT	Tornado Warning	MPX	Anoka	29 min
Jul 1, 8:10 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Washington	50 min
Jul 1, 8:14 PM CDT	Tornado Warning	MPX	Isanti	46 min
Jul 1, 8:48 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	57 min
Jul 1, 8:56 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	34 min
Jul 1, 9:23 PM CDT	Tornado Warning	MPX	Renville, Yellow Medicine	27 min
Jul 1, 9:47 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	28 min
Jul 1, 9:51 PM CDT	Tornado Warning	MPX	Kandiyohi, Renville	29 min
Jul 1, 10:30 PM CDT	Severe Thunderstorm Warning	MPX	Washington	35 min
Jul 1, 11:43 PM CDT	Severe Thunderstorm Warning	MPX	Rice	32 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.