Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 196, NWS Grand Forks, ND

August 14, 2000Traill County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 14, 2000, 9:13 AM CDT for Traill County, North Dakota. It was in force for 32 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: Aug 14, 2000, 9:13 AM CDT (14:13 UTC)
Expired: Aug 14, 2000, 9:45 AM CDT
In force: 32 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Traill County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 12 km from the middle of the area, began a volume at 14:17 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 2.2 hours before the alert went out and 281 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: 1052 J/kg
Mixed-layer CIN: -382 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 202 m²/s²
0-3 km storm-relative helicity: 364 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

604 
WUUS53 KFGF 141414
SVRFAR
NDC097-141445-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
913 AM CDT MON AUG 14 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN TRAILL COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 945 AM CDT

* AT 912 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES EAST OF BUXTON...OR ABOUT 21 MILES
  SOUTH OF GRAND FORKS...MOVEMENT WAS TO THE EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL REMAIN IN RURAL AREAS OF
  NORTHEASTERN TRAILL COUNTY

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

LAT...LON 4763 9737 4742 9724 4747 9690 4765 9697

$$
DJK
NNNN

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 Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 14, 3:14 AM CDT, 5 hours 59 minutes earlier.

Area forecast discussion, Aug 14, 3:14 AM CDT, 5 hours 59 minutes before

FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
310 AM MON AUG 14 2000

...MAIN CONCERNS THIS PACKAGE CENTER ON SEVERE CONVECTIVE THREAT
DURING FIRST PERIOD...

.CURRENT OBSERVATIONAL OVERVIEW...
07Z MSAS DATA SETS CONFIRMED LOW PRESSURE VICINITY OF EXTREME
SOUTHEAST MONTANA WITH INVERTED TROUGH AXIS EXTENDING NORTHWARD INTO
SOUTHERN SASK PROVINCE. STRONGEST SURFACE BASED INSTABILITY AND
MOISTURE FLUX CONVERGENCE ATTM VICINITY OF WESTERN NODAK I.E.
VICINITY OF DEVELOPING CONVECTIVE COMPLEX. LATEST KMVX VAD WIND
PROFILE DEPICTED RATHER POTENT LOW-LEVEL 40 KTS JUST OFF THE SURFACE
WITH GOOD VEERING WITH HEIGHT NOTED.

.SHORT TERM...
HERE WE GO AGAIN...PER ADVERTISED. STRONG CORE OF UPPER LEVEL
WESTERLIES WITH EMBEDDED PIECES OF SHORTWAVE ENERGY STREAKING EAST
OVER THE TOP OF CENTRAL PLAINS 5H RIDGE RESULTING IN SEVERE
CONVECTION ACROSS NODAK. EXTRAPOLATION OF SURFACE BASED TROUGH AND
INSTABILITY PARAMETERS SUGGESTS SEVERE CONVECTIVE THREAT SHOULD
SLOWLY SHIFT EAST OF THE VALLEY BY AFTERNOON INTO MINNESOTA...REFER
TO SPC DAY ONE OUTLOOK FOR FURTHER DETAILS. BASED ON ABOVE SCENARIO
WILL END CONVECTIVE THREAT FROM WEST TO EAST AS DAY WEARS ON.

.LONG TERM...
IN WAKE OF TROUGH EXPECT SOUTHERN SASK PROVINE HIGH TO RIDGE
SOUTHEAST INTO REGION TONIGHT AND TUESDAY WITH THE RESULTANT BEING
TEMPERATURE AND HUMIDITY REDUCTION. NO CHANGES PLANNED TO EXTENDED
ATTM.

.FGF...NONE.

BERG

In the hours before

Special weather statement, Aug 14, 4:30 AM CDT, 4 hours 43 minutes before

MNZ004-005-007-NDZ006>008-014>016-024-026>029-054-141130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
430 AM CDT MON AUG 14 2000

...SEVERE THUNDERSTORM WATCH NUMBER 684 HAS BEEN CANCELLED FOR
PORTIONS OF EASTERN NORTH DAKOTA...

THE THREAT FOR SEVERE WEATHER HAS DIMINISHED ACROSS THE AREA AND THE
WATCH HAS BEEN CANCELLED.
N

Special weather statement, Aug 14, 6:20 AM CDT, 2 hours 53 minutes before

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-141400-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
620 AM CDT MON AUG 14 2000

...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH EARLY AFTERNOON
ACROSS MAINLY WEST-CENTRAL AND NORTHWEST MINNESOTA...

SYNOPSIS...SCATTERED THUNDERSTORMS AHEAD OF A EASTWARD ADVANCING
TROUGH WILL SPREAD EAST OF THE RED RIVER VALLEY INTO MINNESOTA LATER
THIS MORNING.

AREA OF CONCERN...MAINLY FROM THE RED RIVER VALLEY EAST.

TIME...GREATEST THREAT INTO EARLY AFTERNOON.

HAZARD...MAINLY DAMAGING WINDS ALONG WITH LARGE HAIL.

BERG

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 11:27 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Towner	43 min
Aug 14, 1:14 AM CDT	Tornado Warning	FGF	Pembina, Walsh	31 min
Aug 14, 3:40 AM CDT	Severe Thunderstorm Warning	FGF	Barnes	45 min
Aug 14, 4:22 AM CDT	Severe Thunderstorm Warning	FGF	Griggs, Steele	43 min
Aug 14, 4:24 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	46 min
Aug 14, 5:08 AM CDT	Severe Thunderstorm Warning	FGF	Cass	32 min
Aug 14, 5:51 AM CDT	Severe Thunderstorm Warning	FGF	Cass	30 min
Aug 14, 7:16 AM CDT	Severe Thunderstorm Warning	FGF	Griggs	29 min
Aug 14, 7:58 AM CDT	Severe Thunderstorm Warning	FGF	Steele, Traill	32 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; radar from the NEXRAD Level II archive.