Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 48, NWS Grand Forks, ND

June 11, 2001Otter Tail County, Wadena County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 11, 2001, 1:22 PM CDT for Otter Tail County, Wadena County, Minnesota. It was in force for 23 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
Jun 11, 2001, 1:22 PM CDT (18:22 UTC)
Expired
Jun 11, 2001, 1:45 PM CDT
In force
23 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Otter Tail County, MN, Wadena County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 203 km from the middle of the area, began a volume at 18:22 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
Jun 11, 1:27 PM CDTHail 0.88Sebeka, 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 11, 9:30 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 6.4 hours before the alert went out and 222 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, Minneapolis, MN at 12:00Z on 2001-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2001-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1636 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

588 
WUUS53 KFGF 111822
SVRFAR
MNC111-159-111845-

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WADENA COUNTY IN CENTRAL MINNESOTA...
  EXTREME NORTHEASTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 145 PM CDT

* AT 117 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF SEBEKA...OR ABOUT 38 MILES
  SOUTHEAST OF DETROIT LAKES...MOVEMENT WAS TO THE EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BLUE GRASS AT 125 PM CDT...
  NIMROD AT 130 PM CDT...

DURING THUNDERSTORMS YOU SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT
STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES.

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

LAT...LON 4664 9519 4647 9519 4646 9481 4665 9480

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, 2 hours 40 minutes earlier.

Area forecast discussion, Jun 11, 10:42 AM CDT, 2 hours 40 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, 2 hours 51 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, 2 hours 33 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
Local storm report, Jun 11, 12:29 PM CDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1229 PM CDT MON JUN 11 2001

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

1040 AM    2 N BUFFALO               ND   1 INCH HAIL
06/11/01   CASS                           WINDSHIELD BUSTED OUT BY
                                          HAIL

1110 AM    BUFFALO                   ND   1 INCH HAIL
06/11/01   CASS

1125 AM    7 E PARKERS PRAIRIE       MN   .75 INCH HAIL
06/11/01   OTTER TAIL

1135 AM    1 S FARGO                 ND   .75 INCH HAIL
06/11/01   CLAY                      MN

1200 PM    8 NE WOLVERTON            MN   .75 INCH HAIL
06/11/01   CLAY

1205 PM    7 SE HAWLEY               MN   WIND DAMAGE
06m/11/01   CLAY                           TREE BLOWN DOWN
Local storm report, Jun 11, 12:29 PM CDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
1229 PM CDT MON JUN 11 2001
CORRECTION

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

1040 AM    2 N BUFFALO               ND   WINDSHIELD BUSTED OUT BY
06/11/01   CASS                           HAIL

1040 AM    BUFFALO                   ND   1 INCH HAIL
06/11/01   CASS

1125 AM    7 E PARKERS PRAIRIE       MN   .75 INCH HAIL
06/11/01   OTTER TAIL

1135 AM    1 S FARGO                 ND   .75 INCH HAIL
06/11/01   CLAY                      MN

1200 PM    8 NE WOLVERTON            MN   .75 INCH HAIL
06/11/01   CLAY

1205 PM    7 SE HAWLEY               MN   WIND DAMAGE
06/11/01   CLAY                           TREE BLOWN DOWN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 5:18 AM CDTSevere Thunderstorm WarningFGFMarshall27 min
Jun 11, 9:06 AM CDTSevere Thunderstorm WarningFGFWilkin24 min
Jun 11, 9:33 AM CDTSevere Thunderstorm WarningFGFOtter Tail, Wilkin57 min
Jun 11, 10:15 AM CDTFlash Flood WarningFGFOtter Tail, Wilkin30 min
Jun 11, 10:15 AM CDTFlash Flood WarningFGFOtter Tail, Wilkin105 min
Jun 11, 10:29 AM CDTSevere Thunderstorm WarningFGFOtter Tail46 min
Jun 11, 11:01 AM CDTSevere Thunderstorm WarningFGFClay29 min
Jun 11, 11:16 AM CDTSevere Thunderstorm WarningFGFOtter Tail29 min
Jun 11, 11:29 AM CDTSevere Thunderstorm WarningFGFClay31 min
Jun 11, 11:39 AM CDTSevere Thunderstorm WarningFGFWilkin51 min
Jun 11, 11:52 AM CDTSevere Thunderstorm WarningFGFBecker53 min
Jun 11, 11:59 AM CDTSevere Thunderstorm WarningFGFClay46 min
Jun 11, 12:02 PM CDTFlash Flood WarningFGFOtter Tail, Wilkin6 hr
Jun 11, 12:13 PM CDTSevere Thunderstorm WarningFGFOtter Tail62 min
Jun 11, 12:47 PM CDTSevere Thunderstorm WarningFGFBecker, Hubbard58 min
Jun 11, 1:15 PM CDTSevere Thunderstorm WarningFGFOtter Tail60 min
Jun 11, 2:15 PM CDTSevere Thunderstorm WarningFGFOtter Tail15 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.