Alert archive / Minnesota / Tornado Warnings in 2007

Tornado Warning 21, NWS Grand Forks, ND

June 25, 2007Roseau County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 25, 2007, 12:21 PM CDT for Roseau County, Minnesota. It was in force for 54 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 25, 2007, 12:21 PM CDT (17:21 UTC)
Expired
Jun 25, 2007, 1:15 PM CDT
In force
54 min
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Roseau County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 174 km from the middle of the area, began a volume at 17:24 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 25, 12:44 PM CDTHAIL 1.756 N Badger, MN

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, 5.4 hours before the alert went out and 215 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 2007-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 860 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 2007-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
860 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
62 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 251722
TORFGF
MNC135-251815-
/O.NEW.KFGF.TO.W.0021.070625T1721Z-070625T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1221 PM CDT MON JUN 25 2007

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN ROSEAU COUNTY IN NORTHWEST MINNESOTA...

* UNTIL 115 PM CDT

* AT 1220 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF
  HAUG...OR 26 MILES WEST OF ROSEAU...MOVING TO THE EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  NORTH OF HAUG AT 1235 PM CDT...
  ROSS AND FOX AT 1250 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 4894 9641 4883 9640 4881 9588 4897 9588

$$

GUST
2 follow-up statements
000 
WWUS53 KFGF 251744
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1244 PM CDT MON JUN 25 2007

MNC135-251815-
/O.CON.KFGF.TO.W.0021.000000T0000Z-070625T1815Z/
ROSEAU MN-
1244 PM CDT MON JUN 25 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR
NORTHWESTERN ROSEAU COUNTY...

AT 1241 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
5 MILES NORTHWEST OF BADGER...OR 14 MILES WEST OF ROSEAU...MOVING TO
THE EAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  FOX OR ROSS BY 1250 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 4894 9637 4881 9634 4879 9587 4897 9585

$$

GUST
000 
WWUS53 KFGF 251804
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
104 PM CDT MON JUN 25 2007

MNC135-251815-
/O.CON.KFGF.TO.W.0021.000000T0000Z-070625T1815Z/
ROSEAU MN-
104 PM CDT MON JUN 25 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR NORTH
CENTRAL ROSEAU COUNTY...

AT 102 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
3 MILES NORTHEAST OF ROSEAU...MOVING TO THE EAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  SALOL BY 110 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 4895 9596 4883 9594 4883 9554 4897 9555

$$

GUST

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 8:28 PM CDTSevere Thunderstorm WarningFGFKittson, Roseau62 min
Jun 24, 8:40 PM CDTTornado WarningFGFRoseau65 min
Jun 24, 9:44 PM CDTTornado WarningFGFRoseau51 min
Jun 24, 9:51 PM CDTTornado WarningFGFLake of the Woods54 min
Jun 25, 12:41 PM CDTTornado WarningFGFKittson, Roseau49 min

Nearby

Tornado Warnings in Minnesota, 2007Every tornado warning in 2007Tornadoes in 2007

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.