Alert archive / Minnesota / Tornado Warnings in 2004

Tornado Warning 21, NWS Twin Cities, MN

June 5, 2004Chisago County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 5, 2004, 4:48 PM CDT for Chisago County, Minnesota. It was in force for 42 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 5, 2004, 4:48 PM CDT (21:48 UTC)
Expired: Jun 5, 2004, 5:30 PM CDT
In force: 42 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Chisago County, MN

The radar

The Minneapolis radar (KMPX), 96 km from the middle of the area, began a volume at 21:49 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 12:00Z, 9.8 hours before the alert went out and 97 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: 1287 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 320 m²/s²
0-3 km storm-relative helicity: 231 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

262 
WFUS53 KMPX 052148
TORMPX
MNC025-052230-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
447 PM CDT SAT JUN 5 2004

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  CHISAGO COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 530 PM CDT

* AT 441 PM CDT...TRAINED WEATHER SPOTTERS AND LAW ENFORCEMENT       
  REPORTED A FUNNEL CLOUD AND A RAPIDLY ROTATING WALL CLOUD NEAR     
  RUSH CITY...OR ABOUT 10 MILES NORTHEAST OF CAMBRIDGE...MOVING      
  SOUTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BRANCH.
  CENTER CITY.
  HARRIS.
  NORTH BRANCH.
  RUSH CITY.

THIS REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY IN EFFECT 
FOR CHISAGO COUNTY.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4572 9297 4563 9316 4531 9276 4551 9274
      4558 9289

$$

BINAU

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 3:23 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec	37 min
Jun 5, 4:16 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	29 min
Jun 5, 4:33 PM CDT	Severe Thunderstorm Warning	MPX	Redwood	27 min
Jun 5, 4:43 PM CDT	Severe Thunderstorm Warning	MPX	Chisago	47 min
Jun 5, 5:03 PM CDT	Severe Thunderstorm Warning	MPX	Redwood	42 min
Jun 5, 5:20 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Washington	40 min
Jun 5, 5:35 PM CDT	Severe Thunderstorm Warning	MPX	Chisago	40 min

Nearby

Tornado Warnings in Minnesota, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.