Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 33, NWS Grand Forks, ND

July 10, 2008Grant County, Wilkin County, Minnesota; Richland County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jul 10, 2008, 8:41 AM CDT for Grant County, Wilkin County, Minnesota; Richland County, North Dakota. It was in force for 34 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: Jul 10, 2008, 8:41 AM CDT (13:41 UTC)
Expired: Jul 10, 2008, 9:15 AM CDT
In force: 34 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon

Counties Grant County, MN, Wilkin County, MN, Richland County, ND

The radar

The Aberdeen radar (KABR), 157 km from the middle of the area, began a volume at 13:43 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

Time	Report	Where	Remark
Jul 10, 9:00 AM CDT	FUNNEL CLOUD	3 Wnw Campbell, MN	VIEWED FROM NEAR FAIRMOUNT ND.
Jul 10, 9:12 AM CDT	HAIL 1.25	1 E Hankinson, ND

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 10, 7:58 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 1.7 hours before the alert went out and 191 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1763 J/kg
Mixed-layer CIN: -188 J/kg
Mixed-layer LCL: 1270 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KFGF 101341
TORFGF
MNC051-167-NDC077-101415-
/O.NEW.KFGF.TO.W.0033.080710T1341Z-080710T1415Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
841 AM CDT THU JUL 10 2008

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA...
  THIS INCLUDES THE CITY OF WAHPETON...
  EXTREME NORTHWESTERN GRANT COUNTY IN WEST CENTRAL MINNESOTA...
  SOUTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 915 AM CDT

* AT 837 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES
  NORTHWEST OF DORAN...OR 5 MILES SOUTHEAST OF WAHPETON...MOVING TO
  THE SOUTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  CAMPBELL AT 855 AM CDT...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 PM CDT
THURSDAY AFTERNOON FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH
DAKOTA.

LAT...LON 4606 9694 4634 9650 4605 9626 4601 9637
      4602 9656 4595 9655 4594 9657
TIME...MOT...LOC 1341Z 311DEG 30KT 4621 9648

$$

PR/BH

1 follow-up statement

000 
WWUS53 KFGF 101404
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
904 AM CDT THU JUL 10 2008

MNC051-167-NDC077-101415-
/O.CON.KFGF.TO.W.0033.000000T0000Z-080710T1415Z/
WILKIN MN-GRANT MN-RICHLAND ND-
904 AM CDT THU JUL 10 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR EXTREME
NORTHWESTERN GRANT...SOUTHEASTERN RICHLAND AND SOUTHEASTERN WILKIN
COUNTIES...

AT 900 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
3 MILES NORTHWEST OF CAMPBELL...OR 13 MILES SOUTHEAST OF WAHPETON...
MOVING TO THE SOUTHEAST AT 34 MPH.

* THE TORNADO WILL BE NEAR...
  NASHUA BY 915 AM CDT...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 PM CDT
THURSDAY AFTERNOON FOR NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH
DAKOTA.

LAT...LON 4606 9694 4629 9649 4605 9626 4601 9637
      4602 9656 4599 9657 4599 9656 4595 9655
      4594 9657
TIME...MOT...LOC 1404Z 311DEG 30KT 4610 9641

$$

PR/BH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 6:59 AM CDT	Severe Thunderstorm Warning	FGF	Clay, Wilkin	61 min
Jul 10, 7:10 AM CDT	Severe Thunderstorm Warning	FGF	Wilkin	50 min
Jul 10, 7:57 AM CDT	Severe Thunderstorm Warning	FGF	Grant, Wilkin	47 min
Jul 10, 8:03 AM CDT	Severe Thunderstorm Warning	FGF	Grant, Otter Tail, Wilkin	57 min
Jul 10, 8:11 AM CDT	Tornado Warning	FGF	Wilkin	34 min
Jul 10, 8:31 AM CDT	Severe Thunderstorm Warning	FGF	Otter Tail, Wilkin	59 min
Jul 10, 9:10 AM CDT	Tornado Warning	FGF	Grant, Otter Tail, Wilkin	65 min
Jul 10, 9:15 AM CDT	Severe Thunderstorm Warning	FGF	Wilkin	30 min
Jul 10, 10:23 AM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	35 min

Nearby

Tornado Warnings in Minnesota, 2008 Tornado Warnings in North Dakota, 2008 Every tornado warning in 2008 Tornadoes 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.