Alert archive / North Dakota / Tornado Warnings in 2007
Tornado Warning 25, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 15, 2007, 7:20 PM CDT for Cass County, Ransom County, North Dakota. It was in force for 40 min. 13 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 15, 2007, 7:20 PM CDT (00:20 UTC)
- Expired
- Jul 15, 2007, 8:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Cass County, ND, Ransom County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 82 km from the middle of the area, began a volume at 00:22 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 15, 7:20 PM CDT | FUNNEL CLOUD | 10 Nw Leonard, ND | SPOTTER REPORTED A POSSIBLE FUNNEL CLOUD. HE WAS LOCATED 10 MILES WEST OF KINDRED OR 1 SW OF LEONARD ON CASS COUNTY HWY 46 AND WAS LOOKING NORTHWEST. |
| Jul 15, 7:20 PM CDT | HAIL 0.88 | 1 W Embden, ND | A TWO FOOT DRIFT OF HAIL WAS LEFT NEAR A HOUSE. WINDOWS WERE KNOCKED OUT. EXTENSIVE CROP DAMAGE OCCURRED WITH WINDS TO 70 MPH AND MUCH WIND DRIVEN HAIL. |
| Jul 15, 7:25 PM CDT | TORNADO 1 | 5 Sw Chaffee, ND | TORNADO TRACKED FOR ABOUT 10 MILES TO AROUND 6 MILES EAST OF SHELDON BY 740 PM CDT. THE TORNADO CROSSED INTO RANSOM COUNTY AROUND 735 PM CDT ABOUT 6 ENE OF SHELDON. THE TORNADO YANKED ONE ALUMINUM HIGH VOLTAGE POWER TOWER OUT OF ITS STEEL FOOTINGS AND TOPPLED |
| Jul 15, 7:27 PM CDT | TSTM WND DMG | 7 S Embden, ND | A 2 MILE SECTION OF ALUMINUM HIGH VOLTAGE POWER TOWERS WERE CRUMPLED BY DOWNBURST WINDS AND AT LEAST ONE TORNADO. THE NINE TOWERS WERE OPERATED BY MINNKOTA POWER COOPERATIVE. WIND SPEEDS LIKELY EXCEEDED 100 MILES PER HOUR BASED ON UTILITY COMPANY ESTIMATES. |
| Jul 15, 7:35 PM CDT | TORNADO 1 | 6 Ene Sheldon, ND | TORNADO CROSSED FROM CASS COUNTY AND CONTINUED FOR ANOTHER 4 MILES TO ABOUT 6 MILES EAST OF SHELDON BY 740 PM CDT. THE TORNADO SNAPPED SEVERAL WOODEN POWER POLES ALONG ITS PATH IN RANSOM COUNTY. MAXIMUM WIDTH WAS 200 YDS. PEAK WINDS ESTIMATED AT 105 MPH. |
| Jul 15, 7:42 PM CDT | TSTM WND GST 62 | 5 E Sheldon, ND | MEASURED BY MOBILE WEATHER SYSTEM. |
| Jul 15, 7:42 PM CDT | TSTM WND GST 62 | 5 E Sheldon, ND | ERIC WHITHALL MEASURE TSTM WIND GUST OF 62MPH. |
| Jul 15, 7:42 PM CDT | TSTM WND GST 70 | Sheldon, ND | TREES WERE BLOWN DOWN AT THE SHELDON CEMETERY, DAMAGING SOME GRAVESTONES. ADDITIONAL CROP DAMAGE OCCURRED IN GREENE TOWNSHIP. |
| Jul 15, 7:42 PM CDT | NON-TSTM WND GST 62 | 5 E Sheldon, ND | ERIC WHITHALL MEASURE TSTM WIND GUST OF 62MPH. |
| Jul 15, 7:42 PM CDT | NON-TSTM WND GST 70 | Sheldon, ND | TREES WERE BLOWN DOWN AT THE SHELDON CEMETERY, DAMAGING SOME GRAVESTONES. |
| Jul 15, 7:45 PM CDT | TSTM WND GST 68 | 5 E Sheldon, ND | REPORTED BY RAWS EQUIPMENT. TIME ESTIMATED. |
| Jul 15, 7:46 PM CDT | TORNADO 2 | 7 Se Sheldon, ND | TORNADO TRACKED FOR ABOUT 3 MILES TO AROUND 4 MILES NNW OF MCLEOD BY 750 PM CDT. THE TORNADO CUT A LARGE GAP IN MATURE HARDWOOD TREES NEAR THE SHEYENNE RIVER...SNAPPED SEVERAL WOODEN POWER POLES AND LIKELY TUMBLED SEVERAL SECTIONS OF AN IRRIGATION SYSTEM. MAXI |
| Jul 15, 7:55 PM CDT | TSTM WND GST 68 | 5 E Anselm, ND | REPORTED BY RAWS EQUIPMENT. TIME ESTIMATED. |
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 15, 5:49 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 0.3 hours before the alert went out and 223 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2083 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 160021 TORFGF NDC017-073-160100- /O.NEW.KFGF.TO.W.0025.070716T0020Z-070716T0100Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 720 PM CDT SUN JUL 15 2007 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA... NORTHEASTERN RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 800 PM CDT * AT 714 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 8 MILES SOUTH OF EMBDEN...OR 29 MILES SOUTHEAST OF VALLEY CITY...MOVING TO THE SOUTH AT 45 MPH. * THE TORNADO WILL BE NEAR... SHELDON AT 725 PM CDT... ANSELM AT 730 PM 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 AM CDT MONDAY MORNING FOR NORTHWESTERN MINNESOTA. LAT...LON 4705 9736 4689 9765 4648 9765 4650 9729 $$ JK
1 follow-up statement
000 WWUS53 KFGF 160041 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 740 PM CDT SUN JUL 15 2007 NDC017-073-160100- /O.CON.KFGF.TO.W.0025.000000T0000Z-070716T0100Z/ RANSOM ND-CASS ND- 740 PM CDT SUN JUL 15 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR SOUTHWESTERN CASS AND EASTERN RANSOM COUNTIES IN SOUTHEAST NORTH DAKOTA... AT 735 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 4 MILES NORTHEAST OF VENLO...OR 36 MILES SOUTHWEST OF FARGO...MOVING TO THE SOUTH AT 40 MPH. THIS STORM ALSO HAS A LONG HISTORY OF PRODUCING GOLFBALL SIZE HAIL. * THE TORNADO WILL BE NEAR... MCLEOD BY 750 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT MONDAY MORNING FOR NORTHWESTERN MINNESOTA. LAT...LON 4705 9736 4689 9765 4630 9743 4640 9728 $$ JK
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:29 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey, Towner | 61 min |
| Jul 15, 7:58 PM CDT | Tornado Warning | FGF | Ransom, Richland | 23 min |
| Jul 15, 8:26 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy | 49 min |
| Jul 15, 8:40 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Steele | 65 min |
| Jul 15, 8:45 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 60 min |
| Jul 15, 9:29 PM CDT | Tornado Warning | FGF | Cass | 31 min |
| Jul 15, 9:49 PM CDT | Tornado Warning | FGF | Ransom | 26 min |
| Jul 15, 10:12 PM CDT | Tornado Warning | FGF | Ransom, Richland, Sargent | 48 min |
Nearby
Tornado Warnings in North Dakota, 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.