Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 242, NWS Grand Forks, ND

August 28, 2000Kittson County, Marshall County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 28, 2000, 11:09 AM CDT for Kittson County, Marshall County, Minnesota. It was in force for 31 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: Aug 28, 2000, 11:09 AM CDT (16:09 UTC)
Expired: Aug 28, 2000, 11:40 AM CDT
In force: 31 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Kittson County, MN, Marshall County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 122 km from the middle of the area, began a volume at 16:13 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

Time	Report	Where	Remark
Aug 28, 11:25 AM CDT	Hail 0.75	Kennedy, MN

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

Bismarck Municip, ND (KBIS), launched 12:00Z, 4.2 hours before the alert went out and 344 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: 533 J/kg
Mixed-layer CIN: -391 J/kg
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 375 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFGF 281609
SVRFAR
MNC069-089-281640-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1109 AM CDT MON AUG 28 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KITTSON COUNTY IN NORTHWEST MINNESOTA...
  WESTERN MARSHALL COUNTY IN NORTHWEST MINNESOTA...

* UNTIL 1140 AM CDT

* AT 1107 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF DONALDSON...OR ABOUT 15 MILES
  NORTHEAST OF GRAFTON...MOVEMENT WAS TO THE NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DONALDSON AT 1130 AM CDT...
  KENNEDY AT 1135 AM CDT...

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

LAT...LON 4858 9713 4840 9710 4864 9668 4880 9693

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 28, 10:30 AM CDT, 39 minutes earlier.

Area forecast discussion, Aug 28, 10:30 AM CDT, 39 minutes before

FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1030 AM CDT MON AUG 28 2000

GOOD HGT 500 HPA RISE-FALL COUPLET TO THE W OVR MT AND WA.
RELATIVELY COLD 500 HPA TEMPS WERE TO THE W AND FCST TO MOV INTO NW
COUNTIES THIS AFTN. SW-NE UPR LVL JET PUNCHING INTO THE AREA WITH
STORMS FIRING UNDER AND IN THE LFQ. WATER VAPOR LOOP SHOWING DARK
BAND MOVG IN FM THE SW. PLENTY OF MSTR AVAILABLE WITH 330+K 850 HPA
THETA-E AIR ACRS MUCH OF CWFA. DRIER AND COOLER AIR TO MOV IN LATE
THIS MORN AND THIS AFTN. EXTENDED TSRA WATCH TIL NOON.

.FGF...SVR TSRA WATCH #715 IN EFFECT TIL NOON FOR NDZ006>008-014>016-
024-026>030-054-MNZ001-002-004>009-013>017-022-023.

HOPPES

In the hours before

Local storm report, Aug 28, 9:17 AM CDT, 1 hour 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
917 AM CDT MON AUG 28 2000

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

0730 AM    LANGDON                   ND   65 MPH TSTM GUST
08/28/00   CAVALIER                       5 MILES NORTHEAST OF
                                          LANGDON

0827 AM    LANGDON                   ND   .75 INCH HAIL
08/28/00   CAVALIER                       15 MILES SOUTHWEST OF
                                          LANGDON

0828 AM    LANGDON                   ND   .75 INCH HAIL
08/28/00   CAVALIER                       15 MILES SOUTHWEST OF
                                          LANGDON

0912 AM    ADAMS                     ND
08/28/00   WALSH                          RW++ 5 MILES NORTHEAST OF
                                          ADAMS

N

Local storm report, Aug 28, 10:14 AM CDT, 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1014 AM CDT MON AUG 28 2000

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

0730 AM    LANGDON                   ND   65 MPH TSTM GUST
08/28/00   CAVALIER                       5 MILES NORTHEAST OF
                                          LANGDON

0827 AM    LANGDON                   ND   .75 INCH HAIL
08/28/00   CAVALIER                       15 MILES SOUTHWEST OF
                                          LANGDON

0828 AM    LANGDON                   ND   .75 INCH HAIL
08/28/00   CAVALIER                       15 MILES SOUTHWEST OF
                                          LANGDON

0912 AM    ADAMS                     ND
08/28/00   WALSH                          RW++ 5 MILES NORTHEAST OF
                                          ADAMS

1005 AM    ST THOMAS                 ND   1.5 INCH HAIL
08/28/00   PEMBINA                        SILVER DOLLAR SIZE HAIL
                                          REPORTED BY ARB #599 5.5
                                          MILES NORTHWEST OF ST THOS
                                          PEMBINA CO. ND

N

Local storm report, Aug 28, 10:32 AM CDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1032 AM CDT MON AUG 28 2000

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

1020 AM    HOOPLE                    ND   1 INCH HAIL
08/28/00   WALSH

N

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 9:52 AM CDT	Severe Thunderstorm Warning	FGF	Kittson	28 min
Aug 28, 10:18 AM CDT	Severe Thunderstorm Warning	FGF	Kittson	32 min
Aug 28, 10:47 AM CDT	Severe Thunderstorm Warning	FGF	Kittson	28 min
Aug 28, 12:00 PM CDT	Severe Thunderstorm Warning	FGF	Roseau	30 min
Aug 28, 3:09 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater	31 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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; radar from the NEXRAD Level II archive.