Alert archive / North Dakota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 85, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 22, 2012, 5:48 PM CDT for Ransom County, Richland County, North Dakota. It was in force for 42 min. 5 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 22, 2012, 5:48 PM CDT (22:48 UTC)
- Expired
- Jul 22, 2012, 6:30 PM CDT
- In force
- 42 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Ransom County, ND, Richland County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 108 km from the middle of the area, began a volume at 22:48 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 22, 5:55 PM CDT | HAIL 1.75 | 2 Se Enderlin, ND | |
| Jul 22, 5:55 PM CDT | HAIL 1.75 | 3 Sw Enderlin, ND | |
| Jul 22, 6:05 PM CDT | HAIL 1.75 | Sheldon, ND | PHOTOS POSTED TO FACEBOOK. TIME ESTIMATED FROM RADAR. |
| Jul 22, 6:10 PM CDT | HAIL 1 | 4 E Sheldon, ND | |
| Jul 22, 6:25 PM CDT | HAIL 2 | 2 S Leonard, ND | PHOTOS POSTED TO FACEBOOK. TIME ESTIMATED BASED ON RADAR. |
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 22, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 10.8 hours before the alert went out and 201 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
- 2180 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 1248 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
801 WUUS53 KFGF 222248 SVRFGF NDC073-077-222330- /O.NEW.KFGF.SV.W.0085.120722T2248Z-120722T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 548 PM CDT SUN JUL 22 2012 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA... NORTHWESTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 630 PM CDT * AT 544 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE STORM WAS LOCATED 6 MILES SOUTHWEST OF ENDERLIN...OR 29 MILES SOUTHEAST OF VALLEY CITY...MOVING TO THE EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ENDERLIN AROUND 555 PM CDT. SHELDON AND ANSELM AROUND 605 PM CDT. VENLO AROUND 610 PM CDT. BARRIE AROUND 630 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4663 9709 4644 9709 4647 9779 4663 9776 TIME...MOT...LOC 2248Z 270DEG 21KT 4657 9765 WIND...HAIL <50MPH 1.00IN $$ VG
3 follow-up statements
856 WWUS53 KFGF 222303 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 603 PM CDT SUN JUL 22 2012 NDC073-077-222330- /O.CON.KFGF.SV.W.0085.000000T0000Z-120722T2330Z/ RANSOM ND-RICHLAND ND- 603 PM CDT SUN JUL 22 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN RICHLAND AND NORTHEASTERN RANSOM COUNTIES IN SOUTHEAST NORTH DAKOTA UNTIL 630 PM CDT... AT 602 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE STORM WAS LOCATED 2 MILES SOUTHWEST OF SHELDON...OR 33 MILES SOUTHEAST OF VALLEY CITY...MOVING TO THE EAST AT 25 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... VENLO AROUND 610 PM CDT. BARRIE AROUND 630 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... DAMAGING WINDS...LARGE HAIL...DEADLY LIGHTNING AND TORNADOES ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. SEEK SHELTER IN A REINFORCED BUILDING IMMEDIATELY. && LAT...LON 4663 9709 4644 9709 4647 9766 4663 9764 TIME...MOT...LOC 2303Z 270DEG 21KT 4657 9752 WIND...HAIL <50MPH 1.00IN $$ VG
081 WWUS53 KFGF 222317 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 617 PM CDT SUN JUL 22 2012 NDC073-077-222330- /O.CON.KFGF.SV.W.0085.000000T0000Z-120722T2330Z/ RANSOM ND-RICHLAND ND- 617 PM CDT SUN JUL 22 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN RICHLAND AND NORTHEASTERN RANSOM COUNTIES IN SOUTHEAST NORTH DAKOTA UNTIL 630 PM CDT... AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE STORM WAS LOCATED 3 MILES SOUTHEAST OF SHELDON...OR 36 MILES SOUTHEAST OF VALLEY CITY...MOVING TO THE EAST AT 25 MPH. THIS STORM PRODUCED GOLFBALL SIZED HAIL 2 MILES SOUTHEAST OF ENDERLIN AT 555 PM CDT. THE SEVERE THUNDERSTORM WILL BE NEAR... BARRIE AROUND 630 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... DAMAGING WINDS...LARGE HAIL...DEADLY LIGHTNING AND TORNADOES ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. SEEK SHELTER IN A REINFORCED BUILDING IMMEDIATELY. && LAT...LON 4663 9709 4644 9709 4646 9747 4663 9747 TIME...MOT...LOC 2316Z 270DEG 21KT 4657 9741 WIND...HAIL <50MPH 1.00IN $$ VG
250 WWUS53 KFGF 222330 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 630 PM CDT SUN JUL 22 2012 NDC073-077-222341- /O.EXP.KFGF.SV.W.0085.000000T0000Z-120722T2330Z/ RANSOM ND-RICHLAND ND- 630 PM CDT SUN JUL 22 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RICHLAND AND NORTHEASTERN RANSOM COUNTIES IN SOUTHEAST NORTH DAKOTA HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4663 9709 4644 9709 4646 9747 4663 9747 TIME...MOT...LOC 2317Z 270DEG 21KT 4657 9740 $$ VG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 5:37 PM CDT | Special Weather Statement | FGF | Ransom | 38 min |
| Jul 22, 6:14 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 61 min |
| Jul 22, 6:42 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Richland | 34 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2012Every severe thunderstorm warning in 2012
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.