Alert archive / North Dakota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 94, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 24, 2012, 10:59 PM CDT for 4 counties in North Dakota; Becker County, Clay County, Wilkin County, Minnesota. It was in force for 61 min. 3 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 24, 2012, 10:59 PM CDT (03:59 UTC)
- Expired
- Jul 25, 2012, 12:00 AM CDT
- In force
- 61 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Becker County, MN, Clay County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Ransom County, ND, Richland County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 79 km from the middle of the area, began a volume at 04:00 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 24, 11:10 PM CDT | HAIL 1.25 | 3 Sw Kathryn, ND | HAIL FROM PENNY TO WALNUT SIZED FELL ALONG WITH VERY HEAVY RAINS ACROSS SOUTHERN OAK HILL TOWNSHIP. SOME SMALLER HAIL HAD FALLEN ROUGHLY A HALF HOUR EARLIER. |
| Jul 24, 11:17 PM CDT | HAIL 1 | 1 N Fargo, ND | REPORT RELAYED THROUGH FACEBOOK |
| Jul 24, 11:40 PM CDT | HAIL 1 | Lake Park, MN |
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 24, 9:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 4.0 hours before the alert went out and 231 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
- 2782 J/kg
- Mixed-layer CIN
- -204 J/kg
- Mixed-layer LCL
- 1161 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 293 m²/s²
- 0-3 km storm-relative helicity
- 367 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.6
The text
As transmitted, in the capitals the NWS used until 2016.
074 WUUS53 KFGF 250359 SVRFGF MNC005-027-167-NDC003-017-073-077-250500- /O.NEW.KFGF.SV.W.0094.120725T0359Z-120725T0500Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1059 PM CDT TUE JUL 24 2012 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN BECKER COUNTY IN NORTHWEST MINNESOTA... CLAY COUNTY IN NORTHWEST MINNESOTA... NORTHWESTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA... SOUTHEASTERN BARNES COUNTY IN SOUTHEAST NORTH DAKOTA... CASS COUNTY IN SOUTHEAST NORTH DAKOTA... NORTHERN RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA... NORTHWESTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL MIDNIGHT CDT * AT 1056 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES SOUTHWEST OF KATHRYN TO 7 MILES SOUTHWEST OF BARNESVILLE...MOVING TO THE NORTHEAST AT 20 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... NOME AND KATHRYN AROUND 1105 PM CDT. LEONARD AROUND 1110 PM CDT. KINDRED AROUND 1115 PM CDT. COMSTOCK AND LUCCA AROUND 1120 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORMS INCLUDE BARNESVILLE...FINGAL...BAKER...RUSTAD...HORACE AND EMBDEN. FOR MOTORISTS ON INTERSTATE 29...SEVERE THUNDERSTORMS WILL BE BETWEEN...MILE MARKERS 46 AND 86... FOR MOTORISTS ON INTERSTATE 94...SEVERE THUNDERSTORMS WILL BE BETWEEN NORTH DAKOTA MILE MARKER 299 AND MINNESOTA MILE MARKER 27... AN ADDITIONAL LINE OF STORMS AROUND FARGO MOVING TO THE NORTHEAST AT 20 MPH WILL ALSO BE CAPABLE OF PRODUCING QUARTER SIZE HAIL. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4663 9817 4718 9762 4713 9579 4651 9650 TIME...MOT...LOC 0358Z 236DEG 17KT 4667 9802 4658 9652 WIND...HAIL 60MPH 1.00IN $$ TG
2 follow-up statements
516 WWUS53 KFGF 250424 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1124 PM CDT TUE JUL 24 2012 MNC005-027-167-NDC003-017-073-077-250500- /O.CON.KFGF.SV.W.0094.000000T0000Z-120725T0500Z/ BARNES ND-CASS ND-RANSOM ND-RICHLAND ND-CLAY MN-BECKER MN-WILKIN MN- 1124 PM CDT TUE JUL 24 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN BECKER AND CLAY COUNTIES IN NORTHWEST MINNESOTA...AND NORTHWESTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...AND NORTHWESTERN RICHLAND...NORTHERN RANSOM...CASS AND SOUTHEASTERN BARNES COUNTIES IN SOUTHEAST NORTH DAKOTA UNTIL MIDNIGHT CDT... AT 1119 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES NORTHEAST OF KATHRYN TO NEAR BARNESVILLE...MOVING TO THE NORTHEAST AT 20 MPH. SEVERE THUNDERSTORMS WILL BE NEAR... FINGAL AND DAVENPORT AROUND 1130 PM CDT. ALICE AROUND 1135 PM CDT. BAKER AROUND 1140 PM CDT. RUSTAD AND CHAFFEE AROUND 1145 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY SEVERE THUNDERSTORMS INCLUDE HORACE...WILD RICE...EMBDEN...DOWNER...ORISKA AND FARGO. FOR MOTORISTS ON INTERSTATE 29...SEVERE THUNDERSTORMS WILL BE BETWEEN...MILE MARKERS 51 AND 86... FOR MOTORISTS ON INTERSTATE 94...SEVERE THUNDERSTORMS WILL BE BETWEEN NORTH DAKOTA MILE MARKER 299 AND MINNESOTA MILE MARKER 25... THESE STORMS DO HAVE A HISTORY OF PRODUCING QUARTER SIZE HAIL. THERE IS ANOTHER AREA OF THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL 5 MILES NORTHEAST OF FARGO...MOVING TO THE NORTHEAST AT 20 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4663 9817 4718 9762 4713 9579 4651 9650 TIME...MOT...LOC 0423Z 236DEG 17KT 4674 9788 4664 9638 WIND...HAIL 60MPH 1.00IN $$ TG
825 WWUS53 KFGF 250457 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1157 PM CDT TUE JUL 24 2012 MNC005-027-167-NDC003-017-073-077-250507- /O.EXP.KFGF.SV.W.0094.000000T0000Z-120725T0500Z/ BARNES ND-CASS ND-RANSOM ND-RICHLAND ND-CLAY MN-BECKER MN-WILKIN MN- 1157 PM CDT TUE JUL 24 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BECKER AND CLAY COUNTIES IN NORTHWEST MINNESOTA...AND NORTHWESTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA...AND NORTHWESTERN RICHLAND...NORTHERN RANSOM...CASS AND SOUTHEASTERN BARNES COUNTIES IN SOUTHEAST NORTH DAKOTA WILL EXPIRE AT MIDNIGHT CDT... THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS. IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 4 AM CDT. LAT...LON 4663 9817 4718 9762 4713 9579 4651 9650 TIME...MOT...LOC 0457Z 236DEG 17KT 4683 9769 4673 9618 $$ DK
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 8:25 PM CDT | Areal Flood Advisory | FGF | Benson, Ramsey | 5 hr |
| Jul 24, 10:01 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland | 59 min |
| Jul 24, 10:11 PM CDT | Special Weather Statement | FGF | Grand Forks, Nelson | 64 min |
| Jul 24, 10:20 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom | 55 min |
| Jul 24, 10:28 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 62 min |
| Jul 24, 11:28 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 62 min |
| Jul 25, 12:01 AM CDT | Areal Flood Advisory | FGF | Barnes, Cass, Ransom, Richland | 10 hr |
| Jul 25, 12:20 AM CDT | Areal Flood Advisory | FGF | Grand Forks, Traill | 3 hr |
| Jul 25, 12:28 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Otter Tail, Wilkin | 62 min |
| Jul 25, 1:08 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard, Otter Tail, Wadena | 67 min |
| Jul 25, 3:18 AM CDT | Areal Flood Advisory | FGF | Becker, Clay, Hubbard, Otter Tail, Wadena, Wilkin | 7 hr |
| Jul 25, 5:42 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 63 min |
| Jul 25, 6:02 PM CDT | Special Weather Statement | FGF | Becker, Clearwater, Hubbard, Mahnomen, Otter Tail, Wadena and 1 more | 58 min |
| Jul 25, 6:13 PM CDT | Special Weather Statement | FGF | Lake of the Woods | 62 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2012Severe Thunderstorm Warnings in Minnesota, 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.