Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 87, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 22, 2012, 6:42 PM CDT for Clay County, Wilkin County, Minnesota; Cass County, Richland County, North Dakota. It was in force for 34 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, 6:42 PM CDT (23:42 UTC)
- Expired
- Jul 22, 2012, 7:16 PM CDT
- In force
- 34 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Clay County, MN, Wilkin County, MN, Cass County, ND, Richland County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 116 km from the middle of the area, began a volume at 23:44 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, 6:42 PM CDT | HAIL 1.5 | 6 W Kindred, ND | |
| Jul 22, 6:49 PM CDT | HAIL 0.88 | 1 W Kindred, ND | |
| Jul 22, 6:58 PM CDT | HAIL 1 | 1 W Christine, ND | |
| Jul 22, 7:02 PM CDT | HAIL 1 | 17 S Fargo, ND | REPORTED VIA FACEBOOK |
| Jul 22, 7:02 PM CDT | HAIL 1 | 5 S Horace, ND | REPORTED VIA FACEBOOK |
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, 11.7 hours before the alert went out and 228 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.
269 WUUS53 KFGF 222342 SVRFGF MNC027-167-NDC017-077-230030- /O.NEW.KFGF.SV.W.0087.120722T2342Z-120723T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 642 PM CDT SUN JUL 22 2012 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN CLAY COUNTY IN NORTHWEST MINNESOTA... NORTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA... SOUTHEASTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA... NORTHERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 730 PM CDT * AT 639 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE STORM WAS LOCATED 4 MILES NORTH OF BARRIE...OR 23 MILES SOUTHWEST OF FARGO...MOVING TO THE EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... KINDRED AROUND 650 PM CDT. WALCOTT AROUND 700 PM CDT. HICKSON AND COLFAX AROUND 710 PM CDT. COMSTOCK AND CHRISTINE AROUND 715 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE WOLVERTON...MCCAULEYVILLE AND BARNESVILLE. FOR MOTORISTS ON INTERSTATE 29...THE SEVERE THUNDERSTORM WILL BE BETWEEN...MILE MARKER 36 AROUND 715 PM CDT...AND MILE MARKER 52 AROUND 705 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4666 9631 4632 9641 4650 9725 4672 9720 TIME...MOT...LOC 2342Z 280DEG 23KT 4662 9709 WIND...HAIL <50MPH 1.00IN $$ VG
2 follow-up statements
850 WWUS53 KFGF 230003 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 703 PM CDT SUN JUL 22 2012 MNC027-167-NDC017-077-230030- /O.CON.KFGF.SV.W.0087.000000T0000Z-120723T0030Z/ CASS ND-RICHLAND ND-CLAY MN-WILKIN MN- 703 PM CDT SUN JUL 22 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN CLAY COUNTY IN NORTHWEST MINNESOTA...AND NORTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...AND NORTH CENTRAL RICHLAND AND SOUTHEASTERN CASS COUNTIES IN SOUTHEAST NORTH DAKOTA UNTIL 730 PM CDT... AT 658 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE STORM WAS LOCATED 3 MILES NORTH OF WOLVERTON...OR 19 MILES SOUTH OF FARGO...MOVING TO THE EAST AT 25 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... KENT AROUND 710 PM CDT. BRUSHVALE AROUND 715 PM CDT. BARNESVILLE AND LAWNDALE AROUND 730 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4646 9704 4670 9696 4666 9631 4632 9641 TIME...MOT...LOC 0003Z 279DEG 24KT 4660 9671 WIND...HAIL <50MPH 1.00IN $$ VG
138 WWUS53 KFGF 230016 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 716 PM CDT SUN JUL 22 2012 MNC027-167-NDC017-077-230026- /O.CAN.KFGF.SV.W.0087.000000T0000Z-120723T0030Z/ CASS ND-RICHLAND ND-CLAY MN-WILKIN MN- 716 PM CDT SUN JUL 22 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CLAY COUNTY IN NORTHWEST MINNESOTA...AND NORTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...AND NORTH CENTRAL RICHLAND AND SOUTHEASTERN CASS COUNTIES IN SOUTHEAST NORTH DAKOTA IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4646 9704 4670 9696 4666 9631 4632 9641 TIME...MOT...LOC 0016Z 279DEG 24KT 4658 9659 $$ VG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 12:19 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 41 min |
| Jul 22, 1:23 PM CDT | Special Weather Statement | FGF | Lake of the Woods | 67 min |
| Jul 22, 1:44 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 46 min |
| Jul 22, 2:17 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 36 min |
| Jul 22, 5:37 PM CDT | Special Weather Statement | FGF | Ransom | 38 min |
| Jul 22, 5:48 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 42 min |
| Jul 22, 6:14 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 61 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Severe 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.