Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 49, NWS Grand Forks, ND

June 11, 2001Otter Tail County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 11, 2001, 2:15 PM CDT for Otter Tail County, Minnesota. It was in force for 15 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, 2:15 PM CDT (19:15 UTC)
Expired
Jun 11, 2001, 2:30 PM CDT
In force
15 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Otter Tail County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 196 km from the middle of the area, began a volume at 19:17 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.

What was reported inside it

TimeReportWhereRemark
Jun 11, 2:30 PM CDTHail 1Parkers Prairie, 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

Minneapolis, MN (KMPX), launched 12:00Z, 7.3 hours before the alert went out and 218 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°0°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.

000 
WUUS53 KFGF 111915
SVRFAR
MNC111-111930-

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

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 230 PM CDT

* AT 212 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES WEST OF PARKERS PRAIRIE...OR ABOUT 34
  MILES EAST OF FERGUS FALLS...MOVEMENT WAS TO THE EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WRIGHTSTOWN AT 220 PM CDT...

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODU=CE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT MONDAY EVENING FOR
CENTRAL MINNESOTA.

LAT...LON 4650 9548 4614 9555 4612 9516 4658 9520


$$



NNNN

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, 1:22 PM CDTSevere Thunderstorm WarningFGFOtter Tail, Wadena23 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.