Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 11, NWS Grand Forks, ND

June 9, 2008Norman County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 9, 2008, 1:37 PM CDT for Norman County, Minnesota. It was in force for 32 min. 2 reports 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 9, 2008, 1:37 PM CDT (18:37 UTC)
Expired
Jun 9, 2008, 2:09 PM CDT
In force
32 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

County Norman County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 56 km from the middle of the area, began a volume at 18:40 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 9, 1:44 PM CDTFUNNEL CLOUD4 E Halstad, MNA PERSISTENT ROTATING WALL CLOUD WITH BRIEF FUNNEL WAS OBSERVED.
Jun 9, 1:44 PM CDTTORNADO 13 E Halstad, MNA PERSISTENT ROTATING WALL CLOUD PRODUCED A SHORT LIVED FUNNEL AND BRIEF TORNADO. SOME METAL ROOFING WAS TORN OFF A FARM BUILDING AND SEVERAL 8-10 INCH DIAMETER TREES WERE SNAPPED OFF AT ONE FARMSTEAD. PEAK WINDS ESTIMATED TO 90 MPH. MAXIMUM WIDTH TO 40 YARDS

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

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 6.6 hours before the alert went out and 279 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, International Fa, MN at 12:00Z on 2008-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 81 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, International Fa, MN at 12:00Z on 2008-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939587897117Sfc1 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
81 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
631 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
67 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 
WFUS53 KFGF 091837
TORFGF
MNC107-091930-
/O.NEW.KFGF.TO.W.0011.080609T1837Z-080609T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
137 PM CDT MON JUN 9 2008

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN NORMAN COUNTY IN NORTHWEST MINNESOTA...

* UNTIL 230 PM CDT

* AT 135 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HALSTAD...
  OR 33 MILES NORTH OF FARGO...MOVING TO THE EAST AT 16 MPH.

* THE TORNADO WILL BE NEAR...
  HADLER AT 220 PM CDT...

IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT.
GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE.

LAT...LON 4746 9646 4731 9645 4730 9682 4743 9684
TIME...MOT...LOC 1837Z 266DEG 14KT 4735 9678

$$

GUST
2 follow-up statements
000 
WWUS53 KFGF 091855
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
155 PM CDT MON JUN 9 2008

MNC107-091930-
/O.CON.KFGF.TO.W.0011.000000T0000Z-080609T1930Z/
NORMAN MN-
155 PM CDT MON JUN 9 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR WESTERN
NORMAN COUNTY...

AT 154 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
7 MILES EAST OF HALSTAD...OR 34 MILES NORTH OF FARGO...MOVING TO THE
EAST AT 16 MPH.

* THE TORNADO WILL BE NEAR...
  HADLER AND LOCKHART BY 220 PM CDT...

IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT.
GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE.

LAT...LON 4746 9646 4731 9645 4730 9682 4743 9684
TIME...MOT...LOC 1855Z 266DEG 14KT 4735 9668

$$

GUST
000 
WWUS53 KFGF 091909
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
209 PM CDT MON JUN 9 2008

MNC107-091919-
/O.CAN.KFGF.TO.W.0011.000000T0000Z-080609T1930Z/
NORMAN MN-
209 PM CDT MON JUN 9 2008

...THE TORNADO WARNING FOR WESTERN NORMAN COUNTY IS CANCELLED...

AT 208 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM LOCATED 3 MILES WEST OF HADLER...OR 34 MILES NORTH OF
FARGO...MOVING TO THE EAST AT 16 MPH.

THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER CONSIDERED SEVERE. SO
THE WARNING HAS BEEN CANCELLED. 

LAT...LON 4746 9646 4731 9645 4730 9682 4743 9684
TIME...MOT...LOC 1909Z 266DEG 14KT 4735 9660

$$

GUST

Nearby

Tornado Warnings in Minnesota, 2008Every tornado warning in 2008Tornadoes in 2008

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.