Alert archive / North Dakota / Tornado Warnings in 2011
Tornado Warning 34, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 16, 2011, 7:53 PM CDT for Benson County, Ramsey County, North Dakota. It was in force for 52 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 16, 2011, 7:53 PM CDT (00:53 UTC)
- Expired
- Jul 16, 2011, 8:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
Counties Benson County, ND, Ramsey County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 16, 7:56 PM CDT | TORNADO | 3 S Minnewaukan, ND | TORNADO REPORTED OVER LONG LAKE SUCKING UP WATER |
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 16, 4:57 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.9 hours before the alert went out and 187 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
- 4274 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1100 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 13.9
The text
As transmitted, in the capitals the NWS used until 2016.
175 WFUS53 KFGF 170053 TORFGF NDC005-071-170145- /O.NEW.KFGF.TO.W.0034.110717T0053Z-110717T0145Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 753 PM CDT SAT JUL 16 2011 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... CENTRAL BENSON COUNTY IN NORTHEAST NORTH DAKOTA... SOUTHWESTERN RAMSEY COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL 845 PM CDT * AT 748 PM CDT...LAW ENFORCEMENT REPORTED A TORNADO 4 MILES SOUTH OF MINNEWAUKAN...OR 18 MILES SOUTHWEST OF DEVILS LAKE. THE TORNADO WAS MOVING TO THE EAST AT 20 MPH. * THE TORNADIC STORM WILL BE NEAR... FORT TOTTEN AROUND 815 PM CDT. CAMP GRAFTON AND ST MICHAEL AROUND 830 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4820 9895 4797 9883 4788 9936 4805 9945 TIME...MOT...LOC 0053Z 248DEG 19KT 4802 9919 $$ JK
2 follow-up statements
765 WWUS53 KFGF 170100 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 800 PM CDT SAT JUL 16 2011 NDC005-071-170145- /O.CON.KFGF.TO.W.0034.000000T0000Z-110717T0145Z/ BENSON ND-RAMSEY ND- 800 PM CDT SAT JUL 16 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN RAMSEY AND CENTRAL BENSON COUNTIES IN NORTHEAST NORTH DAKOTA UNTIL 845 PM CDT... AT 758 PM CDT...STORM SPOTTERS OBSERVED AND NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO. THE DANGEROUS STORM WAS LOCATED 3 MILES SOUTH OF MINNEWAUKAN...OR 14 MILES SOUTHWEST OF DEVILS LAKE...MOVING TO THE EAST AT 20 MPH. AT 756 PM...THE TORNADO WAS OBSERVED 3 MILES SOUTH OF MINNEWAUKAN OVER LONG LAKE. AT 758 PM...SPOTTERS REPORTED THE TORNADO HAD LIFTED...BUT THE TORNADO COULD DROP BACK DOWN AT ANYTIME. THE TORNADIC STORM WILL BE NEAR... FORT TOTTEN AROUND 815 PM CDT. CAMP GRAFTON AROUND 825 PM CDT. ST MICHAEL AROUND 830 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4820 9895 4797 9883 4788 9936 4805 9945 TIME...MOT...LOC 0059Z 248DEG 19KT 4803 9915 $$ DTR
726 WWUS53 KFGF 170125 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 825 PM CDT SAT JUL 16 2011 NDC005-071-170145- /O.CON.KFGF.TO.W.0034.000000T0000Z-110717T0145Z/ BENSON ND-RAMSEY ND- 825 PM CDT SAT JUL 16 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN RAMSEY AND EAST CENTRAL BENSON COUNTIES IN NORTHEAST NORTH DAKOTA UNTIL 845 PM CDT... AT 821 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES NORTHWEST OF FORT TOTTEN...OR 11 MILES SOUTHWEST OF DEVILS LAKE...MOVING TO THE EAST AT 20 MPH. RADAR INDICATED THE STRONGEST CIRCULATION WILL AFFECT THE FORT TOTTEN AREA AND SPIRIT LAKE CASINO AREA. THE TORNADIC STORM WILL BE NEAR... CAMP GRAFTON AROUND 835 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. && LAT...LON 4796 9904 4813 9914 4819 9894 4801 9885 TIME...MOT...LOC 0125Z 263DEG 19KT 4800 9900 $$ DTR
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 7:10 PM CDT | Tornado Warning | FGF | Griggs | 50 min |
| Jul 16, 8:36 PM CDT | Tornado Warning | FGF | Benson, Ramsey | 39 min |
| Jul 16, 9:24 PM CDT | Tornado Warning | FGF | Benson, Nelson, Ramsey | 51 min |
| Jul 16, 10:02 PM CDT | Flash Flood Warning | FGF | Nelson, Ramsey | 10 hr |
| Jul 16, 10:41 PM CDT | Areal Flood Advisory | FGF | Pembina, Walsh | 8 hr |
| Jul 16, 11:08 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 52 min |
| Jul 17, 11:45 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 60 min |
| Jul 17, 12:33 PM CDT | Tornado Warning | FGF | Eddy | 42 min |
| Jul 17, 1:11 PM CDT | Tornado Warning | FGF | Eddy | 49 min |
| Jul 17, 2:24 PM CDT | Tornado Warning | FGF | Barnes, Griggs | 36 min |
| Jul 17, 2:57 PM CDT | Tornado Warning | FGF | Barnes, Griggs | 48 min |
| Jul 17, 3:34 PM CDT | Tornado Warning | FGF | Barnes, Griggs, Steele | 41 min |
| Jul 17, 4:12 PM CDT | Tornado Warning | FGF | Barnes, Cass | 63 min |
| Jul 17, 5:13 PM CDT | Tornado Warning | FGF | Cass | 45 min |
Nearby
Tornado Warnings in North Dakota, 2011Every tornado warning in 2011Tornadoes in 2011
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.