Alert archive / North Dakota / Tornado Warnings in 2010

Tornado Warning 9, NWS Grand Forks, ND

May 24, 2010Barnes County, Griggs County, Steele County, North Dakota

NWS Grand Forks, ND issued this tornado warning at May 24, 2010, 3:28 PM CDT for Barnes County, Griggs County, Steele County, North Dakota. It was in force for 62 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
May 24, 2010, 3:28 PM CDT (20:28 UTC)
Expired
May 24, 2010, 4:30 PM CDT
In force
62 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon

Counties Barnes County, ND, Griggs County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 69 km from the middle of the area, began a volume at 20:32 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
May 24, 3:43 PM CDTFUNNEL CLOUD2 Ene Valley City, NDLAW ENFORCEMENT REPORTS A FUNNEL EXTENDING NEARLY TO THE GROUND JUST NORTH OF EXIT 294 ON I-94... JUST EAST OF VALLEY CITY.

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.

IssuedProductOfficeLasted
May 24, 2:03 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 8.5 hours before the alert went out and 208 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, Bismarck Municip, ND at 12:00Z on 2010-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Bismarck Municip, ND at 12:00Z on 2010-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 230 square meters per square second.19395878Sfc1 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
953 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
230 m²/s²
0-3 km storm-relative helicity
651 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.

123 
WFUS53 KFGF 242028
TORFGF
NDC003-039-091-242130-
/O.NEW.KFGF.TO.W.0009.100524T2028Z-100524T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
328 PM CDT MON MAY 24 2010

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BARNES COUNTY IN SOUTHEAST NORTH DAKOTA...
  SOUTHEASTERN GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA...
  SOUTHWESTERN STEELE COUNTY IN SOUTHEAST NORTH DAKOTA...

* UNTIL 430 PM CDT

* AT 322 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM WAS
  LOCATED 7 MILES NORTH OF KATHRYN...OR 10 MILES SOUTH OF VALLEY     
  CITY...MOVING TO THE NORTH AT 40 MPH. ANOTHER CIRCULATION WAS      
  DETECTED 5 MILES NORTHEAST OF VALLEY CITY ALSO MOVING NORTH.

* THE TORNADIC STORM WILL BE NEAR...
  VALLEY CITY AND ORISKA AROUND 340 PM CDT.
  BALD HILL DAM AROUND 350 PM CDT.
  SIBLEY AND PILLSBURY AROUND 410 PM CDT.
  LUVERNE AROUND 415 PM CDT.



THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADIC STORM
INCLUDE BLABON.

FOR MOTORISTS ON INTERSTATE 94...THE TORNADIC STORM WILL BE
BETWEEN...MILE MARKERS 291 AND 296 AROUND 340 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4743 9820 4745 9775 4664 9780 4664 9807
TIME...MOT...LOC 2026Z 178DEG 33KT 4681 9797

$$

JK
2 follow-up statements
004 
WWUS53 KFGF 242044
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
344 PM CDT MON MAY 24 2010

NDC003-039-091-242130-
/O.CON.KFGF.TO.W.0009.000000T0000Z-100524T2130Z/
GRIGGS ND-STEELE ND-BARNES ND-
344 PM CDT MON MAY 24 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL BARNES...
SOUTHWESTERN STEELE AND SOUTHEASTERN GRIGGS COUNTIES IN SOUTHEAST
NORTH DAKOTA UNTIL 430 PM CDT...

AT 341 PM CDT...LAW ENFORCEMENT REPORTED A FUNNEL CLOUD NEAR VALLEY 
CITY...MOVING TO THE NORTH AT 40 MPH.

THE DEVELOPING TORNADO WILL BE NEAR...
  BALD HILL DAM AROUND 355 PM CDT.
  PILLSBURY AROUND 410 PM CDT.
  SIBLEY AND LUVERNE AROUND 415 PM CDT.
  BLABON AROUND 430 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4743 9820 4745 9775 4664 9780 4664 9807
TIME...MOT...LOC 2044Z 178DEG 33KT 4695 9797

$$

JK
689 
WWUS53 KFGF 242100
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
400 PM CDT MON MAY 24 2010

NDC003-039-091-242130-
/O.CON.KFGF.TO.W.0009.000000T0000Z-100524T2130Z/
GRIGGS ND-STEELE ND-BARNES ND-
400 PM CDT MON MAY 24 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL BARNES...
SOUTHWESTERN STEELE AND SOUTHEASTERN GRIGGS COUNTIES IN SOUTHEAST
NORTH DAKOTA UNTIL 430 PM CDT...

AT 355 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES SOUTHEAST
OF VALLEY CITY...MOVING TO THE NORTH AT 40 MPH.

THE TORNADIC STORM WILL BE NEAR...
  ORISKA AND BALD HILL DAM AROUND 405 PM CDT.
  SIBLEY AROUND 425 PM CDT.
  LUVERNE...BLABON AND PILLSBURY AROUND 430 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4743 9820 4745 9775 4664 9780 4664 9807
TIME...MOT...LOC 2100Z 200DEG 36KT 4692 9790

$$

JK

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 2:06 AM CDTSevere Thunderstorm WarningFGFRansom, Sargent39 min
May 24, 2:17 AM CDTSevere Thunderstorm WarningFGFRichland43 min
May 24, 3:30 AM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Griggs, Steele28 min
May 24, 1:50 PM CDTFlash Flood WarningFGFBenson, Eddy, Griggs, Nelson, Ramsey7 hr
May 24, 2:16 PM CDTAreal Flood AdvisoryFGFGrand Forks, Griggs, Nelson, Pembina, Steele, Traill and 1 more9 hr
May 24, 2:20 PM CDTTornado WarningFGFPembina, Walsh25 min
May 24, 2:26 PM CDTTornado WarningFGFBarnes, Ransom64 min
May 24, 2:44 PM CDTTornado WarningFGFWalsh61 min
May 24, 3:04 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Traill56 min
May 24, 3:56 PM CDTFlash Flood WarningFGFBarnes15 hr
May 24, 4:18 PM CDTTornado WarningFGFBarnes, Cass, Steele, Traill42 min
May 24, 4:43 PM CDTSevere Thunderstorm WarningFGFGrand Forks, Steele, Traill, Walsh62 min
May 24, 5:19 PM CDTSevere Thunderstorm WarningFGFCass, Traill41 min
May 24, 5:25 PM CDTSevere Thunderstorm WarningFGFPembina, Walsh43 min
May 24, 5:44 PM CDTSevere Thunderstorm WarningFGFCass, Traill31 min
May 24, 6:12 PM CDTWind AdvisoryFGFRichland4 hr
May 24, 6:20 PM CDTSevere Thunderstorm WarningFGFCass, Traill40 min

Nearby

Tornado Warnings in North Dakota, 2010Every tornado warning in 2010Tornadoes in 2010

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.