Alert archive / North Dakota / Tornado Warnings in 2003

Tornado Warning 13, NWS Bismarck, ND

July 13, 2003McLean County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 13, 2003, 6:40 PM CDT for McLean County, North Dakota. It was in force for 35 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 13, 2003, 6:40 PM CDT (23:40 UTC)
Expired: Jul 13, 2003, 7:15 PM CDT
In force: 35 min
Issued by: NWS Bismarck, ND
Area: Counties, with a storm outline in the text

County McLean County, ND

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 13, 3:40 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.7 hours before the alert went out and 82 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: 2 J/kg
Mixed-layer CIN: -624 J/kg
Mixed-layer LCL: 1957 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 194 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 KBIS 132340
TORBIS
NDC055-140015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
639 PM CDT SUN JUL 13 2003

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL MCLEAN COUNTY IN SOUTH CENTRAL NORTH DAKOTA

* UNTIL 715 PM CDT

* AT 639 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO OVER TURTLE LAKE...OR ABOUT 46 MILES NORTH OF BISMARCK...  
  MOVING EAST AT 35 MPH. A TORNADO WAS REPORTED ON THE GROUND 4      
  MILES SOUTH OF TURTLE LAKE. TAKE COVER NOW.

* THE TORNADO WILL BE NEAR...
  MERCER AT 645 PM CDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
SUNDAY EVENING FOR NORTH DAKOTA.

LAT...LON 4759 10097 4734 10102 4733 10070 4763 10069

$$

VINING

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 3:37 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry	53 min
Jul 13, 3:42 PM CDT	Severe Thunderstorm Warning	BIS	Stark	48 min
Jul 13, 4:34 PM CDT	Severe Thunderstorm Warning	BIS	Stark	56 min
Jul 13, 5:07 PM CDT	Severe Thunderstorm Warning	BIS	Stark	23 min
Jul 13, 5:21 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Ward	54 min
Jul 13, 5:49 PM CDT	Tornado Warning	BIS	Mercer	26 min
Jul 13, 6:00 PM CDT	Severe Thunderstorm Warning	BIS	Grant	60 min
Jul 13, 6:12 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, McLean, Sheridan	63 min
Jul 13, 6:56 PM CDT	Tornado Warning	BIS	Sheridan	34 min

Nearby

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