Alert archive / North Dakota / Tornado Warnings in 2007
Tornado Warning 5, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at May 18, 2007, 6:47 PM CDT for Barnes County, North Dakota. It was in force for 58 min. 2 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
- May 18, 2007, 6:47 PM CDT (23:47 UTC)
- Expired
- May 18, 2007, 7:45 PM CDT
- In force
- 58 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Barnes County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 68 km from the middle of the area, began a volume at 23:47 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 |
|---|---|---|---|
| May 18, 7:00 PM CDT | HAIL 1.75 | 2 W Sibley, ND | |
| May 18, 7:00 PM CDT | TORNADO | 2 W Sibley, ND | 3 BRIEF DUST SWIRLS WERE NOTED |
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 |
|---|---|---|---|
| May 18, 3:43 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 11.8 hours before the alert went out and 206 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
- 362 J/kg
- Mixed-layer CIN
- -435 J/kg
- Mixed-layer LCL
- 1771 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 89 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 182347 TORFGF NDC003-190045- /O.NEW.KFGF.TO.W.0005.070518T2347Z-070519T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 647 PM CDT FRI MAY 18 2007 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL BARNES COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 745 PM CDT * AT 638 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 5 MILES EAST OF HANNAFORD...OR 26 MILES NORTH OF VALLEY CITY...MOVING TO THE SOUTH AT 10 MPH. * THE TORNADO WILL BE NEAR... SIBLEY AT 715 PM CDT... 6 MILES NORTH OF BALD HILL DAM AT 745 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 1100 PM CDT FRIDAY EVENING FOR NORTHWEST MINNESOTA. LAT...LON 4724 9797 4723 9823 4702 9816 4708 9788 $$ JK/BB
3 follow-up statements
000 WWUS53 KFGF 190003 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 701 PM CDT FRI MAY 18 2007 NDC003-190045- /O.CON.KFGF.TO.W.0005.000000T0000Z-070519T0045Z/ BARNES ND- 701 PM CDT FRI MAY 18 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTH CENTRAL BARNES COUNTY... AT 652 PM CDT...WEATHER SPOTTERS REPORTED A TORNADO 3 MILES EAST OF WALUM...OR 24 MILES NORTH OF VALLEY CITY...MOVING TO THE SOUTHEAST AT 10 MPH. * THE TORNADO WILL BE NEAR... SIBLEY BY 720 PM CDT... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FRIDAY EVENING FOR NORTHWEST MINNESOTA. LAT...LON 4724 9797 4724 9823 4713 9814 4712 9789 $$ DK
000 WWUS53 KFGF 190025 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 724 PM CDT FRI MAY 18 2007 NDC003-190045- /O.CON.KFGF.TO.W.0005.000000T0000Z-070519T0045Z/ BARNES ND- 724 PM CDT FRI MAY 18 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTH CENTRAL BARNES COUNTY... AT 716 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. THE FUNNEL CLOUD WAS LOCATED 5 MILES NORTHWEST OF SIBLEY...OR 21 MILES NORTH OF VALLEY CITY...MOVING TO THE SOUTH AT 5 MPH. * THE FUNNEL CLOUD WILL BE NEAR... SIBLEY BY 750 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 1100 PM CDT FRIDAY EVENING FOR NORTHWEST MINNESOTA. LAT...LON 4724 9797 4724 9823 4713 9814 4712 9789 $$ JK/BB
000 WWUS53 KFGF 190045 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 745 PM CDT FRI MAY 18 2007 NDC003-190055- /O.EXP.KFGF.TO.W.0005.000000T0000Z-070519T0045Z/ BARNES ND- 745 PM CDT FRI MAY 18 2007 ...THE TORNADO WARNING FOR NORTH CENTRAL BARNES COUNTY EXPIRED AT 745 PM CDT... DOPPLER RADAR INDICATED THE STORM WAS NO LONGER SEVERE AND SO THE WARNING WAS ALLOWED TO EXPIRE AT 745 PM CDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FRIDAY EVENING FOR NORTHWEST MINNESOTA. LAT...LON 4724 9797 4724 9823 4713 9814 4712 9789 $$ BB
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 5:16 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Steele | 59 min |
| May 18, 6:15 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Steele | 60 min |
| May 18, 6:43 PM CDT | Tornado Warning | FGF | Griggs, Steele | 62 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.