Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 110, NWS Twin Cities, MN

June 7, 2002Anoka County, Sherburne County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2002, 4:31 PM CDT for Anoka County, Sherburne County, Wright County, Minnesota. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 7, 2002, 4:31 PM CDT (21:31 UTC)
Expired: Jun 7, 2002, 5:15 PM CDT
In force: 44 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Anoka County, MN, Sherburne County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 54 km from the middle of the area, began a volume at 21:32 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

International Fa, MN (KINL), launched 12:00Z, 9.5 hours before the alert went out and 360 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2370 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 318 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 072131
SVRMSP
MNC003-141-171-072215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
430 PM CDT FRI JUN 7 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEAST SHERBURNE COUNTY IN CENTRAL MINNESOTA
  NORTHEAST WRIGHT COUNTY IN CENTRAL MINNESOTA
  WESTERN ANOKA COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 515 PM CDT

* AT 430 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL 5 MILES WEST OF ELK RIVER...OR ABOUT 18 MILES SOUTH OF
  PRINCETON...MOVING EAST AT 50 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  ALBERTVILLE.
  ELK RIVER.
  RAMSEY.
  ST FRANCIS.

THIS IS A DANGEROUS STORM WITH LARGE HAIL...STAY INDOORS AWAY FROM
WINDOWS.

LAT...LON 4539 9375 4522 9370 4526 9334 4541 9337

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 7:15 PM CDT	Severe Thunderstorm Warning	MPX	Wright	45 min
Jun 6, 7:23 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	37 min
Jun 6, 7:47 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	43 min
Jun 6, 7:55 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	50 min
Jun 6, 8:05 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Wright	40 min
Jun 6, 8:49 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	41 min
Jun 6, 8:50 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod	40 min
Jun 6, 9:06 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	39 min
Jun 6, 9:29 PM CDT	Severe Thunderstorm Warning	MPX	Carver	46 min
Jun 6, 9:44 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	46 min
Jun 6, 9:51 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	39 min
Jun 6, 10:13 PM CDT	Severe Thunderstorm Warning	MPX	Wright	47 min
Jun 7, 3:29 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Sibley	46 min
Jun 7, 3:51 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Scott	39 min
Jun 7, 6:34 PM CDT	Severe Thunderstorm Warning	MPX	Martin	41 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2002 Every severe thunderstorm warning in 2002

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.