Alert archive / North Dakota / Tornado Warnings in 2007
Tornado Warning 24, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 9, 2007, 8:49 PM CDT for Benson County, North Dakota. It was in force for 38 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
- Jul 9, 2007, 8:49 PM CDT (01:49 UTC)
- Expired
- Jul 9, 2007, 9:27 PM CDT
- In force
- 38 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Benson County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 9, 8:55 PM CDT | HAIL 0.75 | 5 S Pleasant Lake, 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 9, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.8 hours before the alert went out and 186 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
- 239 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 1699 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 304 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 100149 TORFGF NDC005-100245- /O.NEW.KFGF.TO.W.0024.070710T0149Z-070710T0245Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 849 PM CDT MON JUL 9 2007 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN BENSON COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL 945 PM CDT * AT 846 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF PLEASANT LAKE...OR 44 MILES WEST OF DEVILS LAKE...MOVING TO THE EAST AT 40 MPH. * THE TORNADO WILL BE NEAR... YORK AT 900 PM CDT... LEEDS AT 910 PM CDT... 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. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING FOR NORTHEAST NORTH DAKOTA. LAT...LON 4836 9984 4821 9984 4818 9944 4836 9944 $$ GUST
2 follow-up statements
000 WWUS53 KFGF 100215 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 915 PM CDT MON JUL 9 2007 NDC005-100245- /O.CON.KFGF.TO.W.0024.000000T0000Z-070710T0245Z/ BENSON ND- 915 PM CDT MON JUL 9 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR NORTHWESTERN BENSON COUNTY... AT 912 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 3 MILES SOUTHWEST OF LEEDS...OR 31 MILES WEST OF DEVILS LAKE...MOVING TO THE EAST AT 30 MPH. IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT. GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING FOR NORTHEAST NORTH DAKOTA. LAT...LON 4836 9984 4821 9984 4818 9937 4836 9936 $$ GUST
000 WWUS53 KFGF 100227 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 928 PM CDT MON JUL 9 2007 NDC005-100238- /O.CAN.KFGF.TO.W.0024.000000T0000Z-070710T0245Z/ BENSON ND- 928 PM CDT MON JUL 9 2007 ...THE TORNADO WARNING FOR NORTHWESTERN BENSON COUNTY IS CANCELLED... AT 925 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM LOCATED 5 MILES NORTH OF BRINSMADE...OR 24 MILES NORTHWEST OF DEVILS LAKE...MOVING TO THE EAST AT 30 MPH. THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER CONSIDERED SEVERE. SO THE WARNING HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM CDT TUESDAY MORNING FOR NORTHEAST NORTH DAKOTA. LAT...LON 4836 9984 4821 9984 4818 9937 4836 9936 $$ GUST
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 8:30 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 60 min |
| Jul 9, 9:31 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 21 min |
| Jul 10, 3:20 AM CDT | High Wind Warning | FGF | Nelson, Ramsey, Walsh | 100 min |
| Jul 10, 4:36 AM CDT | Wind Advisory | FGF | Barnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 11 more | 11 hr |
| Jul 10, 6:22 AM CDT | High Wind Warning | FGF | Cass | 98 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.