Alert archive / North Dakota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 144, NWS Grand Forks, ND

July 13, 2000Richland County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 13, 2000, 12:11 AM CDT for Richland County, North Dakota. It was in force for 29 min. 1 report 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
Jul 13, 2000, 12:11 AM CDT (05:11 UTC)
Expired
Jul 13, 2000, 12:40 AM CDT
In force
29 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 121 km from the middle of the area, began a volume at 05:10 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.

What was reported inside it

TimeReportWhereRemark
Jul 13, 12:35 AM CDTHail 0.75Colfax, 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 nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 5.2 hours before the alert went out and 204 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-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2000-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1124 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2000-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1124 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
1754 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
288 m²/s²
Significant tornado parameter
0.4
Supercell composite
13.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFGF 130511
SVRFAR
NDC077-130540-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1211 AM CDT THU JUL 13 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

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

* UNTIL 1240 AM CDT

* AT 1205 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 12 MILES WEST OF COLFAX...OR ABOUT 28 MILES
  NORTHWEST OF WAHPETON...MOVEMENT WAS TO THE EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  COLFAX AT 1225 AM CDT...
  GALCHUTT AT 1235 AM CDT...

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

LAT...LON 4656 9717 4639 9724 4629 9677 4649 9673

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 Jul 12, 8:52 PM CDT, 3 hours 19 minutes earlier.

Area forecast discussion, Jul 12, 8:52 PM CDT, 3 hours 19 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
852 PM CDT WED JUL 12 2000

THE THUNDERSTORMS THAT PRODUCED A BRIEF BOUT OF SVR WX OVER SE ND
HAVE RAPIDLY DISSIPATED AS THEY MOVED INTO MORE STABLE AIR PER MSAS
DATA. MESOETA SHOWS ATMOSPHERE CONTINUES TO STABILIZE OVER THE
AREA THROUGH THE NIGHT THEREFORE DO NOT EXPECT ANY FURTHER
REGENERATION. WILL REMOVE MENTION OF TSRA FROM UPDATED ZONES.

WITH SFC HIGH PRESSURE CONTINUING TO GRADUALLY BUILD INTO THE FA
CLEAR SKIES AND LIGHT WINDS TO PREVAIL. CURRENT FORECAST TRENDS LOOK
ON TRACK SO NO SIGNIFICANT CHANGES TO ZFP NEEDED.

.FGF...NONE.

RJT

In the hours before

Local storm report, Jul 12, 9:58 PM CDT, 2 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
958 PM CDT WED JUL 12 2000

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

0750 PM    4 N GWINNER               ND   .75 INCH HAIL
07/12/00   SARGENT

0755 PM    7 S LISBON                ND   1.75 INCH HAIL
07/12/00   RANSOM                         GOLFBALL SIZE
                                          HAIL...RELAYED REPORT FROM
                                          KQLX RADIO IN LISBON.

0755 PM    8 S LISBON                ND   .88 INCH HAIL
07/12/00   RANSOM

N

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 7:26 PM CDTSevere Thunderstorm WarningFGFRansom, Sargent44 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2000Every 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; radar from the NEXRAD Level II archive.