Alert archive / North Dakota / Tornado Warnings in 2007
Tornado Warning 29, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 15, 2007, 10:12 PM CDT for Ransom County, Richland County, Sargent County, North Dakota. It was in force for 48 min. 3 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, 10:12 PM CDT (03:12 UTC)
- Expired
- Jul 15, 2007, 11:00 PM CDT
- In force
- 48 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Ransom County, ND, Richland County, ND, Sargent County, ND
The radar
The Aberdeen radar (KABR), 120 km from the middle of the area, began a volume at 03:12 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, 10:15 PM CDT | TSTM WND DMG | 14 Se Lisbon, ND | LARGE TREE LIMBS BROKEN DOWN IN SHELTER BELTS. A FEW MARBLE TO NICKEL SIZED HAIL. |
| Jul 15, 10:20 PM CDT | TSTM WND DMG | Milnor, ND | NUMEROUS LARGE BRANCHES BROKEN DOWN. |
| Jul 15, 10:36 PM CDT | TSTM WND DMG | Cayuga, ND | 8 INCH BRANCHES DOWN. |
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, 3.2 hours before the alert went out and 170 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 160312 TORFGF NDC073-077-081-160400- /O.NEW.KFGF.TO.W.0029.070716T0312Z-070716T0400Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1012 PM CDT SUN JUL 15 2007 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA... SOUTHWESTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA... EASTERN SARGENT COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 1100 PM CDT * AT 1004 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES NORTHWEST OF DE LAMERE...OR 37 MILES WEST OF WAHPETON...MOVING TO THE SOUTH AT 50 MPH. * THE TORNADO WILL BE NEAR... HAMLIN AT 1020 PM CDT... GENESEO AT 1025 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 4645 9730 4635 9752 4595 9744 4595 9711 $$ JK
2 follow-up statements
000 WWUS53 KFGF 160335 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1035 PM CDT SUN JUL 15 2007 NDC073-077-081-160400- /O.CON.KFGF.TO.W.0029.000000T0000Z-070716T0400Z/ RANSOM ND-RICHLAND ND-SARGENT ND- 1035 PM CDT SUN JUL 15 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR EXTREME SOUTHEASTERN RANSOM...SOUTHWESTERN RICHLAND AND EASTERN SARGENT COUNTIES... AT 1029 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED NEAR GENESEO...OR 36 MILES SOUTHWEST OF WAHPETON...MOVING TO THE SOUTH AT 50 MPH. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT MONDAY MORNING FOR NORTHWESTERN MINNESOTA. LAT...LON 4629 9729 4631 9748 4595 9744 4595 9711 $$ JK
000 WWUS53 KFGF 160354 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1054 PM CDT SUN JUL 15 2007 NDC073-077-081-160404- /O.EXP.KFGF.TO.W.0029.000000T0000Z-070716T0400Z/ RANSOM ND-RICHLAND ND-SARGENT ND- 1054 PM CDT SUN JUL 15 2007 ...THE TORNADO WARNING FOR EXTREME SOUTHEASTERN RANSOM...SOUTHWESTERN RICHLAND AND EASTERN SARGENT COUNTIES WILL EXPIRE AT 1100 PM CDT... AT 1054 PM CDT...THE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO HAS MOVED OUT OF EXTREME SOUTHEASTERN RANSOM...SOUTHWESTERN RICHLAND AND EASTERN SARGENT COUNTIES. SO THE WARNING WILL BE ALLOWED TO EXPIRE AT 1100 PM CDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT MONDAY MORNING FOR NORTHWESTERN MINNESOTA. LAT...LON 4629 9729 4631 9748 4595 9744 4595 9711 $$ JK
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:20 PM CDT | Tornado Warning | FGF | Cass, Ransom | 40 min |
| 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 |
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.