Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 129, NWS Bismarck, ND

August 7, 2000Bottineau County, Renville County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 7, 2000, 8:34 PM CDT for Bottineau County, Renville County, North Dakota. It was in force for 56 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: Aug 7, 2000, 8:34 PM CDT (01:34 UTC)
Expired: Aug 7, 2000, 9:30 PM CDT
In force: 56 min
Issued by: NWS Bismarck, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Bottineau County, ND, Renville County, ND

What was reported inside it

Time	Report	Where	Remark
Aug 7, 8:34 PM CDT	Hail 0.75	Maxbass, ND
Aug 7, 8:45 PM CDT	Hail 1	Mohall, ND

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
Aug 7, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.6 hours before the alert went out and 221 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: 1830 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1722 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 182 m²/s²
0-3 km storm-relative helicity: 284 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KBIS 080135
SVRBIS
NDC009-075-080230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
834 PM CDT MON AUG 7 2000

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN BOTTINEAU COUNTY IN NORTH CENTRAL NORTH DAKOTA
  SOUTHEASTERN RENVILLE COUNTY IN NORTH CENTRAL NORTH DAKOTA

* UNTIL 930 PM CDT

* AT 834 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 5 MILES NORTHWEST OF WESTHOPE TO
  10 MILES SOUTHWEST OF GLENBURN...OR FROM 32 MILES WEST OF BOTTINEAU
  TO 16 MILES NORTH OF MINOT...MOVING EAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  LANDA...ECKMAN AT 845 PM CDT
  NEWBURG...RUSSELL AT 850 PM CDT
  SOURIS AT 855 PM CDT
  ROTH AT 900 PM CDT
  KRAMER AT 910 PM CDT

* OTHER LOCATIONS IN THE WARNING INCLUDE MOHALL...MAXBASS...
  LANSFORD AND GRANO.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

HAIL UP TO ONE AND ONE-HALF INCHES IN DIAMETER HAS BEEN REPORTED
WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR
IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER.

LAT...LON 4898 10141 4844 10178 4846 10110 4865 10105
          4865 10055 4900 10059

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 7, 3:15 PM CDT, 5 hours 19 minutes earlier.

Area forecast discussion, Aug 7, 3:15 PM CDT, 5 hours 19 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BISMARCK ND
315 PM CDT MON AUG 7 2000

SURFACE FRONT NOW ON THE MT/ND BORDER WITH A 10 DEGREE DROP
IN DEW POINTS WITH IT. WIDELY SCATTERED SHOWERS INCREASING OVER
SOUTHWEST ND BUT LIGHTNING STRIKES ARE LACKING. ETA IS SLOWER OF
MODELS...THOUGH ALL ARE IN RELATIVE AGREEMENT. BETTER DEVELOPMENT IS
IN WESTERN SD AND THIS IS INTERESTING BASED ON LATEST MESO-ETA WHICH
SHOWS SPLIT ENERGY BUT INTENSIFIES THE SOUTHERN MAX...OVER SD. THIS
WOULD SPREAD THE STRONGEST STORMS OVER THAT STATE AND POSSIBLY INTO
SOUTH CENTRAL ND IN STRONG NORTHERN LOBE. THE ETA HAS TWO SIMILAR
SYSTEMS WITH THE NORTH ONE SLIGHTLY STRONGER...INDICATING A BETTER
CHANCE NORTH. THERE IS AMPLE CAPE AND INSTABILITY PRESENT...AND WITH
SPC HAVING CWA IN SLGT RISK WILL WORD ZONES POSSIBLE SEVERE. ALL
MODELS CUT THE STORMS OFF BY MIDNIGHT FROM MOT-BIS. WITH THAT IN
MIND WILL DETAIL ENDING TIME FOR STORMS AS THIS EVENING WEST AND BY
MIDNIGHT CENTRAL. THE DRIER AIR COVERS ALL OF CWA BY MID DAY TUESDAY
AND WITH CONVECTIVE TEMPS ABOUT 5 DEGREES OVER FORECAST HIGHS WILL
WORD MOSTLY SUNNY. THE H5 RIDGE FLATTENS BUT WITH NEARLY FULL
SUNSHINE WEDNESDAY...AND CONVECTIVE TEMPS NEARLY 10 DEGREES OVER
FORECAST HIGHS...TEMPS WILL STILL BE 80 TO 85 FOR HIGHS...AND WILL
WORD SUNNY. DRY WEATHER CONTINUES FOR MUCH OF THE WEEK WITH A
BUILDING H5 RIDGE AGAIN BY THURSDAY. BY THE WEEKEND THE RIDnGE IS SO
AMPLIFIED THAT IT ALLOWS ENERGY IN TO THE BACK SIDE FOR A CHANCE OF
STORMS.

.BIS...NONE.

JP MARTIN

In the hours before

Special weather statement, Aug 7, 6:25 PM CDT, 2 hours 9 minutes before

NDZ002>005-010>013-019>023-025-034>037-042-045>048-050-051-080130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
625 PM CDT MON AUG 7 2000

...SEVERE THUNDERSTORM WATCH UNTIL 10 PM CDT...
AT 630 PM CDT DOPPLER RADAR INDICATED SCATTERED SHOWERS AND A FEW
THUNDERSTORMS ACROSS CENTRAL NORTH DAKOTA. THE STRONGEST
THUNDERSTORMS WERE LOCATED IN SOUTHEAST SASKATCHEWAN...JUST NORTH OF
PORTAL IN BURKE COUNTY...AND IN SOUTH DAKOTA...SOUTH OF LINTON AND
STRASBURG IN EMMONS COUNTY. PERSONS ACROSS CENTRAL NORTH DAKOTA
SHOULD REMAIN ALERT FOR POSSIBLE THUNDERSTORM DEVELOPMENT IN THE NEXT
1 TO 2 HOURS.

TWH

N

Local storm report, Aug 7, 8:03 PM CDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
803 PM CDT MON AUG 07 2000

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0724 PM    10 NNE BOWBELLS           ND   TORNADO
08/07/00   BURKE                          REPORTED BY NORTH
                                          DAKOTA HIGHWAY PATROL
                                          TROOPER.

0729 PM    15 W SHERWOOD             ND   TORNADO
08/07/00   RENVILLE                       REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0746 PM    BERTHOLD                  ND   .88 INCH HAIL
08/07/00   WARD            6               REPORTED BY PUBLIC.

0750 PM    10 W SHERWOOD             ND   1.5 INCH HAIL
08/07/00   RENVILLE                       REPORTED BY PUBLIC.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 7:24 PM CDT	Tornado Warning	BIS	Burke, Renville	36 min
Aug 7, 7:43 PM CDT	Severe Thunderstorm Warning	BIS	Ward	62 min
Aug 7, 7:58 PM CDT	Tornado Warning	BIS	Bottineau, Renville	32 min
Aug 7, 8:49 PM CDT	Severe Thunderstorm Warning	BIS	Ward	56 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2000 Every severe thunderstorm warning in 2000

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.