Alert archive / North Dakota / Tornado Warnings in 2003

Tornado Warning 18, NWS Grand Forks, ND

July 14, 2003Pembina County, North Dakota; Kittson County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jul 14, 2003, 2:54 PM CDT for Pembina County, North Dakota; Kittson County, Minnesota. It was in force for 66 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
Jul 14, 2003, 2:54 PM CDT (19:54 UTC)
Expired
Jul 14, 2003, 4:00 PM CDT
In force
66 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

Counties Kittson County, MN, Pembina County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 163 km from the middle of the area, began a volume at 19:55 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 14, 2:35 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 7.9 hours before the alert went out and 294 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 2003-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 2003-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 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
93 J/kg
Mixed-layer CIN
-353 J/kg
Mixed-layer LCL
1491 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
116 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 
WFUS53 KFGF 141954
TORFGF
MNC069-NDC067-142100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
253 PM CDT MON JUL 14 2003

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...

  NORTHEASTERN PEMBINA COUNTY IN NORTHEAST NORTH DAKOTA AND
  WESTERN KITTSON COUNTY IN NORTHWEST MINNESOTA.

* UNTIL 400 PM CDT.

* AT 250 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 16 MILES NORTHWEST OF
  PEMBINA...OR ABOUT 44 MILES NORTHEAST OF LANGDON...MOVEMENT WAS TO
  THE SOUTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...

  PEMBINA AT 320 PM...
  HUMBOLDT AT 335 PM...
  NORTHCOTE AT 345 PM AND
  HALLOCK AT 355 PM.

THIS THUNDERSTORM PRODUCED BASEBALL SIZE HAIL NEAR ALTONA AT 250 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 4920 9756 4905 9771 4864 9686 4886 9664

$$
8

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 7:41 PM CDTSevere Thunderstorm WarningFGFEddy49 min
Jul 13, 8:32 PM CDTSevere Thunderstorm WarningFGFEddy43 min
Jul 13, 8:46 PM CDTSevere Thunderstorm WarningFGFGriggs, Nelson44 min
Jul 13, 9:12 PM CDTSevere Thunderstorm WarningFGFSteele63 min
Jul 13, 9:39 PM CDTSevere Thunderstorm WarningFGFGrand Forks36 min
Jul 13, 9:52 PM CDTSevere Thunderstorm WarningFGFTraill53 min
Jul 14, 5:35 AM CDTSevere Thunderstorm WarningFGFWalsh55 min
Jul 14, 5:51 AM CDTSevere Thunderstorm WarningFGFGrand Forks, Nelson39 min
Jul 14, 5:58 AM CDTSevere Thunderstorm WarningFGFSteele, Traill62 min
Jul 14, 2:14 PM CDTSevere Thunderstorm WarningFGFCavalier, Towner46 min
Jul 14, 4:00 PM CDTSevere Thunderstorm WarningFGFPembina45 min
Jul 14, 4:16 PM CDTSevere Thunderstorm WarningFGFRamsey44 min
Jul 14, 4:26 PM CDTTornado WarningFGFCavalier34 min
Jul 13, 10:18 PM CDTSevere Thunderstorm WarningFGFNorman57 min
Jul 14, 3:04 PM CDTSevere Thunderstorm WarningFGFLake of the Woods41 min
Jul 14, 4:05 PM CDTSevere Thunderstorm WarningFGFLake of the Woods, Roseau40 min
Jul 14, 4:41 PM CDTSevere Thunderstorm WarningFGFMarshall49 min
Jul 14, 4:48 PM CDTSevere Thunderstorm WarningFGFLake of the Woods42 min
Jul 14, 5:46 PM CDTSevere Thunderstorm WarningFGFPolk44 min
Jul 14, 5:58 PM CDTTornado WarningFGFPolk47 min
Jul 14, 6:00 PM CDTSevere Thunderstorm WarningFGFRed Lake45 min

Nearby

Tornado Warnings in North Dakota, 2003Tornado Warnings in Minnesota, 2003Every tornado warning in 2003Tornadoes 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.