Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 30, NWS Grand Forks, ND

June 20, 2005Grant County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 20, 2005, 10:19 AM CDT for Grant County, Minnesota. It was in force for 56 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 20, 2005, 10:19 AM CDT (15:19 UTC)
Expired
Jun 20, 2005, 11:15 AM CDT
In force
56 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Grant County, MN

The radar

The Aberdeen radar (KABR), 192 km from the middle of the area, began a volume at 15:19 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 20, 10:25 AM CDTTSTM WND DMGAshby, MN2 TREES DOWN AND NUMEROUS BRANCHES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 3.3 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, Aberdeen, SD at 12:00Z on 2005-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3072 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 12:00Z on 2005-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
3072 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
921 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 201518
TORFGF
MNC051-201615-
/O.NEW.KFGF.TO.W.0030.050620T1519Z-050620T1615Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1019 AM CDT MON JUN 20 2005

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  GRANT COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 1115 AM CDT

* AT 1014 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM WITH STRONG ROTATION NEAR WENDELL...OR 18 MILES SOUTH
  OF FERGUS FALLS...MOVING TO THE EAST AT 55 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ASHBY AND 7 MILES NORTH OF BARRETT AT 1025 AM
  ERDAHL AT 1030 AM

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

LAT...LON 4609 9624 4578 9623 4578 9579 4610 9577

$$

JDS
2 follow-up statements
000 
WWUS53 KFGF 201538
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1038 AM CDT MON JUN 20 2005

MNC051-201615-
/O.CON.KFGF.TO.W.0030.000000T0000Z-050620T1615Z/
GRANT MN-
1038 AM CDT MON JUN 20 2005

...A TORNADO WARNING CONTINUES UNTIL 1115 AM CDT FOR GRANT COUNTY...

AT 1035 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM WITH STRONG ROTATION.  THE TORNADO WAS LOCATED 3 MILES
EAST OF ELBOW LAKE...OR 21 MILES SOUTH OF FERGUS FALLS...MOVING TO
THE EAST AT 35 MPH.

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

LAT...LON 4609 9624 4577 9623 4577 9577 4610 9577

$$

JDS
000 
WWUS53 KFGF 201610
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1110 AM CDT MON JUN 20 2005

MNC051-201620-
/O.EXP.KFGF.TO.W.0030.000000T0000Z-050620T1615Z/
GRANT MN-
1110 AM CDT MON JUN 20 2005

...THE TORNADO WARNING FOR GRANT COUNTY EXPIRED AT 1115 AM CDT...

AT 1110 AM CDT...THE TORNADO IN GRANT COUNTY HAS MOVED OUT OF THE
COUNTY. SO THE WARNING WAS ALLOWED TO EXPIRE AT 1115 AM CDT.

LAT...LON 4609 9624 4577 9623 4577 9577 4610 9577

$$

JDS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 8:22 PM CDTSevere Thunderstorm WarningFGFBeltrami53 min
Jun 19, 10:32 PM CDTFlash Flood WarningFGFBeltrami10 hr
Jun 20, 12:49 AM CDTSevere Thunderstorm WarningFGFBeltrami41 min
Jun 20, 4:46 AM CDTSevere Thunderstorm WarningFGFHubbard16 min
Jun 20, 9:22 AM CDTSevere Thunderstorm WarningFGFClay31 min
Jun 20, 9:25 AM CDTSevere Thunderstorm WarningFGFWilkin65 min
Jun 20, 10:04 AM CDTSevere Thunderstorm WarningFGFOtter Tail56 min
Jun 20, 10:09 AM CDTSevere Thunderstorm WarningFGFGrant66 min
Jun 20, 10:35 AM CDTTornado WarningFGFOtter Tail55 min
Jun 20, 10:43 AM CDTSevere Thunderstorm WarningFGFWadena62 min

Nearby

Tornado Warnings in Minnesota, 2005Every tornado warning in 2005Tornadoes in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.