Alert archive / North Dakota / Tornado Warnings in 2007
Tornado Warning 30, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 10, 2007, 2:10 PM CDT for Benson County, Ramsey County, North Dakota. It was in force for 44 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
- Aug 10, 2007, 2:10 PM CDT (19:10 UTC)
- Expired
- Aug 10, 2007, 2:54 PM CDT
- In force
- 44 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Benson County, ND, Ramsey County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 128 km from the middle of the area, began a volume at 19:11 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 |
|---|---|---|---|
| Aug 10, 2:15 PM CDT | HAIL 1.25 | 2 Nne Tokio, ND | A FEW LARGE HAIL AND VERY STRONG WINDS. SOME SMALLER TREE BRANCHES BROKEN DOWN. |
| Aug 10, 2:20 PM CDT | HAIL 0.88 | Fort Totten, ND | |
| Aug 10, 2:20 PM CDT | TORNADO 0 | 8 Sw Crary, ND | A BRIEF TOUCHDOWN WAS VIEWED OVER OPEN WATER OF BLACK TIGER BAY ON DEVILS LAKE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 7.2 hours before the alert went out and 192 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
- 1398 J/kg
- Mixed-layer CIN
- -392 J/kg
- Mixed-layer LCL
- 1454 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 101910 TORFGF NDC005-071-102015- /O.NEW.KFGF.TO.W.0030.070810T1910Z-070810T2015Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 210 PM CDT FRI AUG 10 2007 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... EAST CENTRAL BENSON COUNTY IN NORTHEAST NORTH DAKOTA... SOUTH CENTRAL RAMSEY COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL 315 PM CDT * AT 205 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES SOUTH OF FORT TOTTEN...OR 17 MILES SOUTH OF DEVILS LAKE...MOVING TO THE NORTHEAST AT 30 MPH. * THE POTENTIAL TORNADO WILL BE NEAR... TOKIO AT 215 PM CDT... CRARY AT 230 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. 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 4794 9909 4788 9892 4805 9858 4812 9879 $$ WJB/ME
2 follow-up statements
000 WWUS53 KFGF 101940 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 239 PM CDT FRI AUG 10 2007 NDC005-071-102015- /O.CON.KFGF.TO.W.0030.000000T0000Z-070810T2015Z/ BENSON ND-RAMSEY ND- 239 PM CDT FRI AUG 10 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR EAST CENTRAL BENSON AND SOUTH CENTRAL RAMSEY COUNTIES... AT 235 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE POSSIBLE TORNADO WAS LOCATED NEAR DOYON...OR 15 MILES EAST OF DEVILS LAKE...MOVING TO THE NORTHEAST AT 30 MPH. NICKEL HAIL WAS REPORTED NEAR FORT TOTTEN AT 220 PM. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT. GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE. LAT...LON 4794 9909 4788 9892 4805 9858 4812 9879 $$ WJB
000 WWUS53 KFGF 101954 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 253 PM CDT FRI AUG 10 2007 NDC005-071-102003- /O.CAN.KFGF.TO.W.0030.000000T0000Z-070810T2015Z/ BENSON ND-RAMSEY ND- 253 PM CDT FRI AUG 10 2007 ...THE TORNADO WARNING FOR EAST CENTRAL BENSON AND SOUTH CENTRAL RAMSEY COUNTIES IS CANCELLED... AT 253 PM CDT...TORNADO MOVED OUT OF EAST CENTRAL BENSON AND SOUTH CENTRAL RAMSEY COUNTIES. SO THE WARNING HAS BEEN CANCELLED. LAT...LON 4794 9909 4788 9892 4805 9858 4812 9879 $$ WJB
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 11:23 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 67 min |
| Aug 10, 12:31 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 32 min |
| Aug 10, 1:58 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 47 min |
| Aug 10, 2:35 PM CDT | Tornado Warning | FGF | Nelson | 40 min |
| Aug 10, 3:14 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 46 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.