Alert archive / North Dakota / Tornado Warnings in 1999

Tornado Warning 12, NWS Bismarck, ND

June 8, 1999McKenzie County, Mountrail County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 8, 1999, 5:52 PM CDT for McKenzie County, Mountrail County, North Dakota. It was in force for 53 min. 2 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jun 8, 1999, 5:52 PM CDT (22:52 UTC)
Expired: Jun 8, 1999, 6:45 PM CDT
In force: 53 min
Issued by: NWS Bismarck, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties McKenzie County, ND, Mountrail County, ND

What was reported inside it

Time	Report	Where	Remark
Jun 8, 5:52 PM CDT	Hail 1.75	Keene, ND
Jun 8, 6:55 PM CDT	Tornado F0	Stanley, ND	in open field crossing highway 2. no reported damage.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 8, 3:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.9 hours before the alert went out and 209 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: 1557 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 202 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 
TTAA00 KBIS 082302 COR
TORBIS
NDC053-061-082345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND...CORRECTION FOR WARNING TYPE...
552 PM CDT TUE JUN 8 1999

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEAST MCKENZIE COUNTY IN NORTHWEST NORTH DAKOTA
  MOUNTRAIL COUNTY IN NORTHWEST NORTH DAKOTA

* UNTIL 645 PM CDT

* AT 552 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A POSSIBLE TORNADO 4 MILES EAST OF KEENE...OR ABOUT 39 MILES       
  SOUTHEAST OF WILLISTON...MOVING NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  CHARLSON AT 600 PM CDT
  ROSS AT 635 PM CDT
  STANLEY AT 645 PM CDT

AT 552 PM CDT...SHERIFF REPORTED GOLFBALL SIZE HAIL AT KEENE. 

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. 

REMEMBER...IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER 
IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY 
RAIN...AND DEZADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE 
THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS 
PASSED.

LAT...LON 4796 10309 4782 10287 4835 10191 4855 10219

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Bismarck, ND wrote its last area forecast discussion before this tornado warning went out at Jun 8, 3:12 PM CDT, 2 hours 40 minutes earlier.

Area forecast discussion, Jun 8, 3:12 PM CDT, 2 hours 40 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BISMARCK ND
312 PM CDT TUE JUN 8 1999

ACTIVE EVENING AGAIN AS TSRA ARE BEGIN TO FIRE ALONG/JUST AHEAD OF
CDFNT ALONG MT BDR AND AHEAD OF APPROACHING UPR LVL TROF OVR THE NRN
ROCKIES. VERY UNSTABLE AMS OVR THE CWA AND UVV'S INCREASING ALONG
STRONG MID LVL JET STREAK. XPCT TSRA TO INCREASE BCMG SVR ALONG THE
BNDRY THS AFTN IN THE WEST AND NORTH. SYS WL SLOWLY MOV EAST TNGT
WITH THE THREAT OF MCS DVLPG WHICH IS MAINLY A HAIL AND HEAVY RAIN
PRODUCER.

-SHRA WL CONT INTO WED BUT XPCT ACTIVITY TO END IN THE AFTN AS SYS
EJECTS INTO SRN CANADA. UPR PATTERN BECMS MORE ZONAL WITH CHANNELED
PVA LATE IN THE PD AND BRING A MORE SETTLED PATTERN TO THE ,CWA THRU
THE WEEKEND.

THE EXTENDED SHWS SAME PATTERN WITH MAINLY DRY CONDITIONS INTO THE
WEEKEND.

.BIS...NONE.
RGT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 3:54 AM CDT	Severe Thunderstorm Warning	BIS	LaMoure	51 min
Jun 8, 2:53 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	67 min
Jun 8, 4:00 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail	60 min
Jun 8, 4:45 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	60 min
Jun 8, 5:05 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Ward	40 min
Jun 8, 6:50 PM CDT	Tornado Warning	BIS	Mountrail	40 min

Nearby

Tornado Warnings in North Dakota, 1999 Every tornado warning in 1999 Tornadoes in 1999

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.