Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 121, NWS Twin Cities, MN

June 19, 2002Douglas County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 19, 2002, 7:15 PM CDT for Douglas County, Todd County, Minnesota. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 19, 2002, 7:15 PM CDT (00:15 UTC)
Expired: Jun 19, 2002, 8:00 PM CDT
In force: 45 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Douglas County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 181 km from the middle of the area, began a volume at 00:16 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
Jun 19, 7:20 PM CDT	Thunderstorm Wind 50 E	Alexandria, MN	Tree down.

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
Jun 19, 3:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.3 hours before the alert went out and 179 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: 2056 J/kg
Mixed-layer CIN: -253 J/kg
Mixed-layer LCL: 1172 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 340 m²/s²
0-3 km storm-relative helicity: 424 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 200015
SVRMSP
MNC041-153-200100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
715 PM CDT WED JUN 19 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TODD COUNTY IN CENTRAL MINNESOTA
  DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 800 PM CDT

* AT 715 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES NORTH
  OF ALEXANDRIA...MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  ALEXANDRIA.
  BROWERVILLE.
  CARLOS.
  CLARISSA.
  EAGLE BEND.
  MILTONA.
  NELSON.

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

LAT...LON 4597 9550 4582 9537 4608 9471 4631 9471

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 7:02 PM CDT	Tornado Warning	MPX	Swift	28 min
Jun 19, 7:07 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	23 min
Jun 19, 7:18 PM CDT	Severe Thunderstorm Warning	MPX	Pope	42 min
Jun 19, 7:59 PM CDT	Tornado Warning	MPX	Stearns	31 min
Jun 19, 8:31 PM CDT	Tornado Warning	MPX	Stearns	29 min
Jun 19, 8:34 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	56 min
Jun 19, 9:08 PM CDT	Tornado Warning	MPX	Benton, Stearns	37 min
Jun 19, 10:55 PM CDT	Severe Thunderstorm Warning	MPX	Wright	35 min
Jun 19, 11:35 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	40 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.