Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 42, NWS Grand Forks, ND

June 11, 2001Wilkin County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 11, 2001, 11:39 AM CDT for Wilkin County, Minnesota. It was in force for 51 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: Jun 11, 2001, 11:39 AM CDT (16:39 UTC)
Expired: Jun 11, 2001, 12:30 PM CDT
In force: 51 min
Issued by: NWS Grand Forks, ND
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Wilkin County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 128 km from the middle of the area, began a volume at 16:42 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 11, 9:30 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 4.7 hours before the alert went out and 228 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: 2628 J/kg
Mixed-layer CIN: -211 J/kg
Mixed-layer LCL: 1168 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 432 m²/s²
0-3 km storm-relative helicity: 444 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

240 
WUUS53 KFGF 111640
SVRFAR
MNC167-111730-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1139 AM CDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 1230 PM CDT

* AT 1136 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 22 MILES WEST OF LAWNDALE...OR ABOUT 21 MILES
  SOUTH OF FARGO...MOVEMENT WAS TO THE EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAWNDALE AT NOON CDT...
  ROTHSAY AT 1210 PM CDT...

THIS STORM HAS THE POTETNIAL TO PRODUCE HAIL UP TO GOLFBALL SIZE AND 
WINDS TO 80 MPH.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 PM CDT MONDAY
AFTERNOON FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4660 9675 4650 9675 4622 9627 4659 9630


$$
BRAZZELL


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 Jun 11, 10:42 AM CDT, 57 minutes earlier.

Area forecast discussion, Jun 11, 10:42 AM CDT, 57 minutes before

FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1042 AM CDT MON JUN 11 2001

...DUE TO ONGOING SVR WEATHER WL BE BRIEF...

SFC LOW CONT TO MOVE E OVER NE SD THIS MORNING WITH WARM FRONT
MOVING INTO SRN ZONES. DECENT JET TO N OF THIS AREA COMBINED WITH 7H
SHRT WV LIFTING INTO THE ERN DAKOTAS TO HELP KEEP TSTM ACTIVITY
GOING INTO THE AFTN...WITH ACTIVITY ENDING FROM W TO E OVER ALL BUT
FAR ERN ZONES BY 0Z. HIGH PRECIPITABLE H2O VALUES SHOWN BY MESOETA
OVER SRN VALLEY AND POINTS EAST...AND WITH FLASH FLOOD WARNINGS
BEING ISSUED DUE TO STRONG/SEVERE STORMS PRODUCING HEAVY RAINS WL
KEEP FLASH FLOOD WATCH GOING ATTM.

WL MAKE MINOR TWEAKS TO CURRENT ZFP TO REFLECT ONGOING CONDITIONS
BUT NO BIG CHANGES PLANNED.

.FGF...SVR THUNDERSTORM WATCH UNTIL 2 PM FOR SE ND AND WEST CENTRAL
AND S SECTIONS OF NW MN...
FLASH FLOOD WATCH THIS AFTERNOON FOR 0RANSOM...SARGENT...RICHLAND...
WILKIN...OTTERTAIL AND GRANT COUNTIES.

RJT

In the hours before

Local storm report, Jun 11, 10:31 AM CDT, 1 hour 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1031 AM CDT MON JUN 11 2001

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

0915 AM    WAHPETON                  ND   .75 INCH HAIL
06/11/01   RICHLAND

0915 AM    2 S ECKELSON              ND   1.5 INCH HAIL
06/11/01   BARNES

0946 AM    VALLEY CITY               ND   1 INCH HAIL
06/11/01   BARNES

0950 AM    FERGUS FALLS              MN   .88 INCH HAIL
06/11/01   OTTER TAIL                     60 MPH WINDS REPORTED BY
                                          KBRF

0950 AM    VALLEY CITY               ND   1.75 INCH HAIL
06/11/01   BARNES

1000 AM    FERGUS FALLS              MN   70 MPH TSTM GUST
06a/11/01   OTTER TAIL                     REPORTED BY OFF DUTY NWS
                                          EMPLOYEE

1000 AM    3 N FOXHOME               MN   .75 INCH HAIL
06/11/01   WILKIN

Special weather statement, Jun 11, 10:49 AM CDT, 50 minutes before

NDZ024-111620-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1049 AM CDT MON JUN 11 2001

....SEVERE THUNDERSTORM WATCH FOR EDDY COUNTY HAS BEEN CANCELLED...

THEe SEVERE THUNDERSTORM WATCH FOR EDDY COUNTY HAS BEEN CANCELLED.
THE SYSTEM THAT PROMPTED THE WATCH HAS MOVED EAST OF THE COUNTY.

KENNEDY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 5:18 AM CDT	Severe Thunderstorm Warning	FGF	Marshall	27 min
Jun 11, 9:06 AM CDT	Severe Thunderstorm Warning	FGF	Wilkin	24 min
Jun 11, 9:33 AM CDT	Severe Thunderstorm Warning	FGF	Otter Tail, Wilkin	57 min
Jun 11, 10:15 AM CDT	Flash Flood Warning	FGF	Otter Tail, Wilkin	30 min
Jun 11, 10:15 AM CDT	Flash Flood Warning	FGF	Otter Tail, Wilkin	105 min
Jun 11, 10:29 AM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	46 min
Jun 11, 11:01 AM CDT	Severe Thunderstorm Warning	FGF	Clay	29 min
Jun 11, 11:16 AM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	29 min
Jun 11, 11:29 AM CDT	Severe Thunderstorm Warning	FGF	Clay	31 min
Jun 11, 11:52 AM CDT	Severe Thunderstorm Warning	FGF	Becker	53 min
Jun 11, 11:59 AM CDT	Severe Thunderstorm Warning	FGF	Clay	46 min
Jun 11, 12:02 PM CDT	Flash Flood Warning	FGF	Otter Tail, Wilkin	6 hr
Jun 11, 12:13 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	62 min
Jun 11, 12:47 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Hubbard	58 min
Jun 11, 1:15 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	60 min
Jun 11, 1:22 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail, Wadena	23 min
Jun 11, 2:15 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	15 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001 Every severe thunderstorm warning in 2001

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.