Alert archive / Minnesota / Tornado Warnings in 2014
Tornado Warning 22, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Sep 4, 2014, 4:46 AM CDT for Otter Tail County, Wilkin County, Minnesota. It was in force for 44 min. 4 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
- Sep 4, 2014, 4:46 AM CDT (09:46 UTC)
- Expired
- Sep 4, 2014, 5:30 AM CDT
- In force
- 44 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Otter Tail County, MN, Wilkin County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 152 km from the middle of the area, began a volume at 09:49 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 |
|---|---|---|---|
| Sep 4, 4:48 AM CDT | TORNADO 2 | 2 Nne Rothsay, MN | A TORNADO TRACKED INTERMITTENTLY FOR ABOUT 2 MILES TO AROUND 3NW OF ROTHSAY BY 452 AM CDT. THIS TORNADO LEFT A TRACK IN CORN AND GRAIN FIELDS. IT TORE DOWN NUMEROUS 2 TO 3 FOOT DIAMETER HARDWOOD TREES AND TORE SHINGLES... ROOFING AND SIDING OFF A HOUSE. PEAK W |
| Sep 4, 5:00 AM CDT | HAIL 1 | Star Lake, MN | |
| Sep 4, 5:30 AM CDT | HAIL 2.75 | Pelican Rapids, MN | RELAYED FROM MEDIA PARTNERS FACEBOOK |
| Sep 4, 5:30 AM CDT | HAIL 2.75 | Pelican Rapids, 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 |
|---|---|---|---|
| Sep 4, 1:48 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 9.8 hours before the alert went out and 261 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
- 2049 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 892 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 243 m²/s²
- 0-3 km storm-relative helicity
- 337 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 14.3
The text
As transmitted, in the capitals the NWS used until 2016.
054 WFUS53 KFGF 040946 TORFGF MNC111-167-041030- /O.NEW.KFGF.TO.W.0022.140904T0946Z-140904T1030Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 446 AM CDT THU SEP 4 2014 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA... NORTHEASTERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 530 AM CDT * AT 444 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR ROTHSAY...AND MOVING EAST AT 45 MPH. HAZARD...TORNADO. SOURCE...RADAR INDICATED ROTATION. IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES. * THIS DANGEROUS STORM WILL BE NEAR... ERHARD AROUND 455 AM CDT. PELICAN RAPIDS AROUND 500 AM CDT. MAPLEWOOD STATE PARK AND LAKE LIDA AROUND 505 AM CDT. STAR LAKE AROUND 515 AM CDT. OTHER LOCATIONS IN THE WARNING INCLUDE BIG MCDONALD LAKE AND RICHVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GRAND FORKS. && LAT...LON 4670 9559 4641 9554 4643 9633 4659 9642 TIME...MOT...LOC 0946Z 262DEG 39KT 4652 9628 TORNADO...RADAR INDICATED HAIL...<.75IN $$ JR
2 follow-up statements
453 WWUS53 KFGF 041012 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 512 AM CDT THU SEP 4 2014 MNC167-041022- /O.CAN.KFGF.TO.W.0022.000000T0000Z-140904T1030Z/ WILKIN MN- 512 AM CDT THU SEP 4 2014 ...THE TORNADO WARNING FOR NORTHEASTERN WILKIN COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4664 9606 4670 9559 4641 9554 4642 9604 TIME...MOT...LOC 1012Z 262DEG 39KT 4656 9587 $$ MNC111-041030- /O.CON.KFGF.TO.W.0022.000000T0000Z-140904T1030Z/ OTTER TAIL MN- 512 AM CDT THU SEP 4 2014 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL OTTER TAIL COUNTY UNTIL 530 AM CDT... AT 509 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR MAPLEWOOD STATE PARK...AND MOVING EAST AT 45 MPH. HAZARD...TORNADO AND QUARTER SIZE HAIL. SOURCE...RADAR INDICATED ROTATION. IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES. THE DANGEROUS STORM WILL BE NEAR... BIG MCDONALD LAKE AND DENT AROUND 520 AM CDT. RICHVILLE AROUND 525 AM CDT. OTHER LOCATIONS IN THE WARNING INCLUDE VERGAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GRAND FORKS. && LAT...LON 4664 9606 4670 9559 4641 9554 4642 9604 TIME...MOT...LOC 1012Z 262DEG 39KT 4656 9587 TORNADO...RADAR INDICATED HAIL...1.00IN $$ JR
849 WWUS53 KFGF 041024 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 524 AM CDT THU SEP 4 2014 MNC111-041034- /O.EXP.KFGF.TO.W.0022.000000T0000Z-140904T1030Z/ OTTER TAIL MN- 524 AM CDT THU SEP 4 2014 ...THE TORNADO WARNING FOR CENTRAL OTTER TAIL COUNTY WILL EXPIRE AT 530 AM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. HOWEVER...SMALL HAIL AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM. IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7 AM CDT. LAT...LON 4664 9606 4670 9559 4641 9554 4642 9604 TIME...MOT...LOC 1024Z 262DEG 39KT 4658 9568 $$ JR
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 2:36 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Wilkin | 54 min |
| Sep 4, 3:25 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Otter Tail, Wilkin | 65 min |
| Sep 4, 3:55 AM CDT | Flash Flood Warning | FGF | Clay, Wilkin | 8 hr |
| Sep 4, 4:02 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Otter Tail, Wilkin | 58 min |
| Sep 4, 4:31 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard, Otter Tail, Wadena | 59 min |
| Sep 4, 4:58 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Otter Tail, Wilkin | 62 min |
| Sep 4, 4:59 AM CDT | Flash Flood Warning | FGF | Becker, Clay, Otter Tail, Wilkin | 7 hr |
| Sep 4, 5:06 AM CDT | Tornado Warning | FGF | Otter Tail, Wadena | 39 min |
| Sep 4, 5:32 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard, Otter Tail, Wadena | 58 min |
| Sep 4, 5:51 AM CDT | Tornado Warning | FGF | Otter Tail, Wadena | 39 min |
| Sep 4, 6:03 AM CDT | Areal Flood Warning | FGF | Becker, Hubbard, Otter Tail, Wadena | 10 hr |
| Sep 4, 1:19 PM CDT | River Flood Watch | FGF | Clay | 4 days |
Nearby
Tornado Warnings in Minnesota, 2014Every tornado warning in 2014Tornadoes in 2014
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.