Alert archive / North Dakota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 39, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 4, 2011, 3:53 PM CDT for Cavalier County, Ramsey County, Towner County, North Dakota. It was in force for 67 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
- Jul 4, 2011, 3:53 PM CDT (20:53 UTC)
- Expired
- Jul 4, 2011, 5:00 PM CDT
- In force
- 67 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cavalier County, ND, Ramsey County, ND, Towner County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 154 km from the middle of the area, began a volume at 20:55 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 4, 4:15 PM CDT | HAIL 0.88 | 2 Sse Munich, ND | |
| Jul 4, 4:20 PM CDT | HAIL 1 | 2 S Alsen, ND | PEA TO QUARTER SIZE HAIL. |
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 4, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 8.9 hours before the alert went out and 248 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
- 1357 J/kg
- Mixed-layer CIN
- -268 J/kg
- Mixed-layer LCL
- 1232 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
741 WUUS53 KFGF 042053 SVRFGF NDC019-071-095-042200- /O.NEW.KFGF.SV.W.0039.110704T2053Z-110704T2200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 353 PM CDT MON JUL 4 2011 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN CAVALIER COUNTY IN NORTHEAST NORTH DAKOTA... NORTHERN RAMSEY COUNTY IN NORTHEAST NORTH DAKOTA... SOUTHEASTERN TOWNER COUNTY IN NORTHEAST NORTH DAKOTA... * UNTIL 500 PM CDT * AT 351 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 2 MILES NORTHWEST OF EGELAND...OR 35 MILES WEST OF LANGDON...MOVING TO THE EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... NEWVILLE AND CALIO AROUND 405 PM CDT. MUNICH AROUND 415 PM CDT. STARKWEATHER AROUND 420 PM CDT. GARSKE AND ALSEN AROUND 425 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE HAMPDEN...LOMA...DERRICK AND NEKOMA. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4864 9829 4823 9847 4848 9936 4879 9917 TIME...MOT...LOC 2053Z 289DEG 28KT 4865 9910 WIND...HAIL 60MPH 1.00IN $$ ROGERS/HOPKINS
4 follow-up statements
220 WWUS53 KFGF 042116 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 416 PM CDT MON JUL 4 2011 NDC019-071-095-042200- /O.CON.KFGF.SV.W.0039.000000T0000Z-110704T2200Z/ CAVALIER ND-RAMSEY ND-TOWNER ND- 416 PM CDT MON JUL 4 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN TOWNER...NORTHERN RAMSEY AND SOUTHWESTERN CAVALIER COUNTIES IN NORTHEAST NORTH DAKOTA UNTIL 500 PM CDT... AT 414 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 4 MILES SOUTHEAST OF CALIO...OR 25 MILES SOUTHWEST OF LANGDON...MOVING TO THE EAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... GARSKE AND ALSEN AROUND 425 PM CDT. HAMPDEN AROUND 435 PM CDT. LOMA AROUND 440 PM CDT. DERRICK AROUND 445 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE NEKOMA AND EDMORE. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4846 9929 4876 9896 4864 9829 4823 9847 TIME...MOT...LOC 2116Z 289DEG 28KT 4859 9884 $$ ROGERS/TG
621 WWUS53 KFGF 042130 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 430 PM CDT MON JUL 4 2011 NDC095-042139- /O.CAN.KFGF.SV.W.0039.000000T0000Z-110704T2200Z/ TOWNER ND- 430 PM CDT MON JUL 4 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TOWNER COUNTY IN NORTHEAST NORTH DAKOTA IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4837 9896 4873 9880 4864 9829 4823 9847 TIME...MOT...LOC 2129Z 286DEG 28KT 4857 9869 $$ NDC019-071-042200- /O.CON.KFGF.SV.W.0039.000000T0000Z-110704T2200Z/ CAVALIER ND-RAMSEY ND- 430 PM CDT MON JUL 4 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN RAMSEY AND SOUTH CENTRAL CAVALIER COUNTIES IN NORTHEAST NORTH DAKOTA UNTIL 500 PM CDT... AT 428 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 3 MILES NORTHWEST OF HAMPDEN...OR 20 MILES SOUTHWEST OF LANGDON...MOVING TO THE EAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... LOMA AROUND 440 PM CDT. DERRICK AROUND 445 PM CDT. NEKOMA AND EDMORE AROUND 455 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4837 9896 4873 9880 4864 9829 4823 9847 TIME...MOT...LOC 2129Z 286DEG 28KT 4857 9869 $$ ROGERS/TG
201 WWUS53 KFGF 042149 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 449 PM CDT MON JUL 4 2011 NDC019-071-042200- /O.CON.KFGF.SV.W.0039.000000T0000Z-110704T2200Z/ CAVALIER ND-RAMSEY ND- 449 PM CDT MON JUL 4 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN RAMSEY AND SOUTH CENTRAL CAVALIER COUNTIES IN NORTHEAST NORTH DAKOTA UNTIL 500 PM CDT... AT 446 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 4 MILES WEST OF NEKOMA...OR 14 MILES SOUTH OF LANGDON...MOVING TO THE EAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN RAMSEY AND SOUTH CENTRAL CAVALIER COUNTIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4854 9860 4868 9853 4864 9829 4845 9838 TIME...MOT...LOC 2148Z 286DEG 28KT 4856 9844 $$ ROGERS
885 WWUS53 KFGF 042155 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 455 PM CDT MON JUL 4 2011 NDC019-071-042205- /O.EXP.KFGF.SV.W.0039.000000T0000Z-110704T2200Z/ CAVALIER ND-RAMSEY ND- 455 PM CDT MON JUL 4 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN RAMSEY AND SOUTH CENTRAL CAVALIER COUNTIES IN NORTHEAST NORTH DAKOTA WILL EXPIRE AT 500 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4854 9860 4868 9853 4864 9829 4845 9838 TIME...MOT...LOC 2155Z 286DEG 28KT 4854 9836 $$ ROGERS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 3:10 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 65 min |
| Jul 4, 4:38 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 52 min |
| Jul 4, 4:51 PM CDT | Tornado Warning | FGF | Pembina | 39 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2011Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.