Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 105, NWS Bismarck, ND

July 15, 2000Renville County, Ward County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 15, 2000, 12:21 AM CDT for Renville County, Ward County, North Dakota. It was in force for 54 min. No storm report in the archive falls 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.

The facts

Issued: Jul 15, 2000, 12:21 AM CDT (05:21 UTC)
Expired: Jul 15, 2000, 1:15 AM CDT
In force: 54 min
Issued by: NWS Bismarck, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Renville County, ND, Ward County, ND

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.4 hours before the alert went out and 207 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: 2168 J/kg
Mixed-layer CIN: -149 J/kg
Mixed-layer LCL: 1675 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KBIS 150521
SVRBIS
NDC075-101-150615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1221 AM CDT SAT JUL 15 2000

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN RENVILLE COUNTY IN NORTH CENTRAL NORTH DAKOTA
  NORTHERN WARD COUNTY IN NORTH CENTRAL NORTH DAKOTA

* UNTIL 115 AM CDT

* AT 1221 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTH OF GRANO...OR ABOUT 22 MILES
  NORTHWEST OF MINOT...MOVING SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MINOT AFB AT 1240 AM CDT
  GLENBURN AT 1245 AM CDT
  WOLSETH AT 1255 AM CDT

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 4870 10185 4837 10181 4831 10104 4854 10106
          4855 10146 4869 10145

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 Jul 14, 2:45 PM CDT, 9 hours 36 minutes earlier.

Area forecast discussion, Jul 14, 2:45 PM CDT, 9 hours 36 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BISMARCK ND
245 PM CDT FRI JUL 14 2000

MID LEVEL CAP IS HOLDING STRONG OVER WRN ND. SHORTWAVE THAT PROMPTED
TSTMS IN ERN MT EARLY THIS MORN DIMINISHED AS IT MOVED OVER NWRN
ND...WHILE TSTMS CONTINUE OVER SERN SASK. CAP PROGGED TO EXPAND OVER
MOST OF ND TODAY AND AXIS OF THERMAL RIDGE SHIFTS EWD TO CNTRL ND BY
18Z SAT. BROAD SFC LOW/TROUGH SYSTEM FROM ALB/SASK/MT/WY TODAY ALSO
SHIFTS EWD IN SYNC WI THERMAL RIDGE. BY 12Z SAT TROUGH IS AT MT/DAKS
BORDER...IS IN CNTRL ND BY 18Z...THEN AT DVL/JMS VCNTY BY 00Z SUN.
SHORTWAVES AND/OR VCNTY OF SFC BOUNDARY IS NECESSARY TO BREAK
CAP...AS CONVECTIVE TEMPS ARE ANYWHERE FROM 99 TO 104 DEGREES THIS
MORNING. ETA HAS VORT IN SERN MT AT 18Z TODAY...AND THERE IS SOME
CONVECTION AS PER VISIBLE SAT PICS...AND MOVES VORT TO NERN MT/SRN
SASK BY 00Z. THINK TSTMS WL DEV IN CNTRL/ERN MT LATE THIS AFTN/EARLY
EVE. VORT MOVES NEWD INTO SERN SASK BY 06Z WI WEAK VORT TAIL MOVING
ACROSS WRN ND. BY 12Z THIS VORT HAS MOVED WELL NWD IN SASK/MAN...BUT
WI SFC TROUGH AT WRN DAK BORDER...WOULD EXPECT TSTMS LATE THIS
EVE/TONIGHT OVER WRN ND...ESP NWRN ND. ON SAT WI DAYTIME HEATING AND
PROGRESSION OF SFC TROUGH EWD INTO CNTRL ND THINK CNTRL ND HAS BEST
CHC TSTMS DURING THE DAY. PCPN SHIFTS TO JMS/DVL BY AFTN/EVE.

COOLER AND DRIER AIR MOVES IN WI PASSAGE OF TROUGH AND CLEAR TO
PARTLY CLOUDY SKIES FOR SAT NIGHT/SUN. UPPER JET OF 90 KTS WEST TO
EAST ACROSS THE STA ON SUN...AND MOMENTUM SHOULD REACH SFC FOR A
WINDY DAY. STILL WARM WI TEMPS IN THE LOW TO MID 80S.

ZONAL FLOW ALOFT FROM SUN THROUGH TUE. BROAD SFC LOW DEVS OVER CNTRL
PLAINS AND SHORTWAVE M;OVES INTO ND FROM SASK TO KEEP CHC PCPN FOR
TUE. NWLY FLOW FOR WED WI COOLER AIR. WRN RIDGE BEGINS TO BUILD BACK
UP OVER ND BY FRI WI MORE HOT WEATHER BY NEXT WEEKEND.

.BIS...NONE.
VINING

In the hours before

Local storm report, Jul 14, 9:40 PM CDT, 2 hours 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
940 PM CDT FRI JUL 14 2000

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

0750 PM    AMIDON                    ND   1.75 INCH HAIL
07/14/00   SLOPE                          REPORTED BY HAM RADIO
                                          OPERATOR.

0800 PM    10 N SCRANTON             ND   2 INCH HAIL
07/14/00   BOWMAN                         REPORTED BY PUBLIC. ARB
                                          OBSERVER

0855 PM    REEDER                    ND   .75 INCH HAIL
07/14/00   ADAMS                          REPORTED BY COOPERATIVE
                                          OBSERVER.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 7:42 PM CDT	Severe Thunderstorm Warning	BIS	Bowman, Slope	33 min
Jul 14, 8:15 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	60 min
Jul 15, 5:53 PM CDT	Tornado Warning	BIS	Bottineau, Rolette	37 min
Jul 15, 6:12 PM CDT	Tornado Warning	BIS	Bottineau, Rolette	33 min
Jul 15, 6:26 PM CDT	Tornado Warning	BIS	McHenry	34 min
Jul 15, 6:50 PM CDT	Severe Thunderstorm Warning	BIS	Pierce, Rolette	40 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; the sounding from the Mesonet's radiosonde archive.