Alert archive / Minnesota / Tornado Warnings in 2004

Tornado Warning 23, NWS Grand Forks, ND

May 19, 2004Marshall County, Minnesota

NWS Grand Forks, ND issued this tornado warning at May 19, 2004, 7:56 PM CDT for Marshall County, Minnesota. It was in force for 64 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
May 19, 2004, 7:56 PM CDT (00:56 UTC)
Expired
May 19, 2004, 9:00 PM CDT
In force
64 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Marshall County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 112 km from the middle of the area, began a volume at 00:58 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 00:00Z, 0.9 hours before the alert went out and 239 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-pSkew-T log-p diagram, International Fa, MN at 00:00Z on 2004-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2004-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1594 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
272 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.

236 
WFUS53 KFGF 200056
TORFGF
MNC089-200200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
756 PM CDT WED MAY 19 2004

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  CENTRAL MARSHALL COUNTY IN NORTHWEST MINNESOTA

* UNTIL 900 PM CDT.

* AT 754 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 3 MILES EAST OF STEPHEN...
  OR ABOUT 27 MILES EAST OF GRAFTON...MOVING TO THE EAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...

  ENGLUND AT 805 PM...
  OLD MILL STATE PARK AT 810 PM...
  STRANDQUIST AT 820 PM AND
  NEWFOLDEN AT 825 PM.

THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO
ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING.

LAT...LON 4851 9694 4821 9690 4819 9596 4851 9589

$$

DK/ME

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 7:01 PM CDTTornado WarningFGFMarshall59 min
May 19, 7:34 PM CDTSevere Thunderstorm WarningFGFPolk56 min
May 19, 7:44 PM CDTTornado WarningFGFKittson46 min
May 19, 7:50 PM CDTTornado WarningFGFClay40 min
May 19, 8:15 PM CDTSevere Thunderstorm WarningFGFRed Lake60 min
May 19, 8:44 PM CDTSevere Thunderstorm WarningFGFPolk61 min
May 19, 9:28 PM CDTSevere Thunderstorm WarningFGFPennington, Red Lake47 min
May 19, 10:03 PM CDTSevere Thunderstorm WarningFGFBeltrami42 min

Nearby

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