Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 21, NWS Grand Forks, ND

June 6, 2003Marshall County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 6, 2003, 4:35 PM CDT for Marshall County, Minnesota. It was in force for 40 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 6, 2003, 4:35 PM CDT (21:35 UTC)
Expired
Jun 6, 2003, 5:15 PM CDT
In force
40 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), 102 km from the middle of the area, began a volume at 21:36 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, 9.6 hours before the alert went out and 237 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 12:00Z on 2003-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2003-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
19 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
1304 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
56 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 KFGF 062135
SVRFGF
MNC089-062215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
434 PM CDT FRI JUN 6 2003

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  SOUTH CENTRAL MARSHALL COUNTY IN NORTHWEST MINNESOTA.

* UNTIL 515 PM CDT.

* AT 431 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES WEST OF VIKING...OR ABOUT 16 MILES
  NORTHWEST OF THIEF RIVER FALLS...MOVEMENT WAS TO THE WEST AT 15
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

  RADIUM AT 455 PM AND
  ARGYLE AT 510 PM.

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

LAT...LON 4818 9629 4831 9636 4835 9668 4819 9674

$$
DK/GUST

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 7:28 PM CDTSevere Thunderstorm WarningFGFRoseau62 min
Jun 6, 1:07 PM CDTSevere Thunderstorm WarningFGFRoseau38 min
Jun 6, 3:58 PM CDTSevere Thunderstorm WarningFGFClay47 min
Jun 6, 4:11 PM CDTSevere Thunderstorm WarningFGFPolk49 min
Jun 6, 4:47 PM CDTSevere Thunderstorm WarningFGFClay43 min
Jun 6, 4:51 PM CDTTornado WarningFGFBecker39 min
Jun 6, 5:07 PM CDTSevere Thunderstorm WarningFGFRed Lake38 min
Jun 6, 5:12 PM CDTSevere Thunderstorm WarningFGFNorman48 min
Jun 6, 5:14 PM CDTFlash Flood WarningFGFClay4 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2003Every severe thunderstorm warning in 2003

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.