Alert archive / Minnesota / Tornado Warnings in 2020
Tornado Warning 20, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 8, 2020, 5:20 AM CDT for 4 counties in Minnesota. It was in force for 40 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 8, 2020, 5:20 AM CDT (10:20 UTC)
- Expired
- Jul 8, 2020, 6:00 AM CDT
- In force
- 40 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Becker County, MN, Hubbard County, MN, Otter Tail County, MN, Wadena County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 210 km from the middle of the area, began a volume at 10:23 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 8, 5:30 AM CDT | TSTM WND GST 60 | 1 N New York Mills, MN | PEAK WINDS MEASURED AT A PERSONAL WEATHER STATION. STRONG AND PERSISTENT WINDS WITH TREES LAYING SIDEWAYS. MULTIPLE GUSTS TO 60 MPH FROM 530 THROUGH 535 AM CDT. |
| Jul 8, 5:30 AM CDT | TSTM WND GST 60 | 1 N New York Mills, MN | PEAK WINDS MEASURED AT A PERSONAL WEATHER STATION. STRONG AND PERSISTENT WINDS WITH TREES LAYING SIDEWAYS. MULTIPLE GUSTS TO 60 MPH FROM 530 THROUGH 535 AM CDT. |
| Jul 8, 5:34 AM CDT | TSTM WND GST 60 | 1 N New York Mills, MN | PEAK WINDS MEASURED AT A PERSONAL WEATHER STATION. STRONG AND PERSISTENT WINDS WITH TREES LAYING SIDEWAYS. |
| Jul 8, 5:34 AM CDT | TSTM WND GST 60 | 1 N New York Mills, MN | PEAK WINDS MEASURED AT A PERSONAL WEATHER STATION. STRONG AND PERSISTENT WINDS WITH TREES LAYING SIDEWAYS. |
| Jul 8, 6:05 AM CDT | TSTM WND DMG | Nimrod, MN | A FEW LARGE BRANCHES BROKEN DOWN. |
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 7, 11:44 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 10.3 hours before the alert went out and 210 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
- 1166 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1464 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted.
952
WFUS53 KFGF 081020
TORFGF
MNC005-057-111-159-081100-
/O.NEW.KFGF.TO.W.0020.200708T1020Z-200708T1100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
520 AM CDT Wed Jul 8 2020
The National Weather Service in Grand Forks has issued a
* Tornado Warning for...
Southwestern Hubbard County in north central Minnesota...
Wadena County in central Minnesota...
Eastern Otter Tail County in west central Minnesota...
Southeastern Becker County in northwestern Minnesota...
* Until 600 AM CDT.
* At 520 AM CDT, severe thunderstorms capable of producing a tornado
were located along a line extending from near Perham to near
Ottertail to Urbank, moving east at 30 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
* Locations impacted include...
Wadena, Menahga, New York Mills, Parkers Prairie, Henning, Sebeka
and Verndale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4637 9474 4637 9515 4611 9515 4611 9558
4642 9550 4675 9561 4691 9490 4659 9478
4639 9478 4638 9474
TIME...MOT...LOC 1020Z 268DEG 25KT 4666 9554 4641 9546 4612 9554
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Lynch2 follow-up statements
396
WWUS53 KFGF 081042
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
542 AM CDT Wed Jul 8 2020
MNC005-057-111-159-081100-
/O.CON.KFGF.TO.W.0020.000000T0000Z-200708T1100Z/
Hubbard MN-Wadena MN-Otter Tail MN-Becker MN-
542 AM CDT Wed Jul 8 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR
SOUTHWESTERN HUBBARD...WADENA...EASTERN OTTER TAIL AND SOUTHEASTERN
BECKER COUNTIES...
At 542 AM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from Butler to near Bluffton to
Parkers Prairie, moving east at 30 mph.
HAZARD...TORNADO.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
Locations impacted include...
Wadena, Menahga, New York Mills, Parkers Prairie, Sebeka, Verndale
and Staples Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4637 9474 4637 9515 4611 9515 4611 9548
4645 9539 4678 9550 4691 9490 4659 9478
4639 9478 4638 9474
TIME...MOT...LOC 1042Z 268DEG 25KT 4667 9533 4641 9525 4613 9533
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Lynch632
WWUS53 KFGF 081055
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
555 AM CDT Wed Jul 8 2020
MNC005-057-111-159-081104-
/O.EXP.KFGF.TO.W.0020.000000T0000Z-200708T1100Z/
Hubbard MN-Wadena MN-Otter Tail MN-Becker MN-
555 AM CDT Wed Jul 8 2020
...THE TORNADO WARNING FOR SOUTHWESTERN HUBBARD...WADENA...EASTERN
OTTER TAIL AND SOUTHEASTERN BECKER COUNTIES WILL EXPIRE AT 600 AM
CDT...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, damaging winds remain likely and a Severe
Thunderstorm Warning remains in effect for the area.
A Severe Thunderstorm Watch remains in effect until 600 AM CDT for
central, north central, northwestern and west central Minnesota.
LAT...LON 4637 9474 4637 9515 4611 9515 4611 9548
4645 9539 4678 9550 4691 9490 4659 9478
4639 9478 4638 9474
TIME...MOT...LOC 1054Z 268DEG 25KT 4667 9522 4641 9514 4613 9522
$$
LynchThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 1:42 AM CDT | Special Weather Statement | FGF | Wilkin | 63 min |
| Jul 8, 2:12 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Wilkin | 63 min |
| Jul 8, 2:18 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman, Polk | 57 min |
| Jul 8, 2:22 AM CDT | Severe Thunderstorm Warning | FGF | Kittson, Marshall, Polk | 53 min |
| Jul 8, 3:10 AM CDT | Special Weather Statement | FGF | Clay | 50 min |
| Jul 8, 3:17 AM CDT | Special Weather Statement | FGF | Clay | 58 min |
| Jul 8, 3:22 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Wilkin | 38 min |
| Jul 8, 3:36 AM CDT | Areal Flood Advisory | FGF | Clay | 8 hr |
| Jul 8, 3:58 AM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail, Wilkin | 62 min |
| Jul 8, 4:14 AM CDT | Tornado Warning | FGF | Otter Tail, Wilkin | 31 min |
| Jul 8, 4:43 AM CDT | Tornado Warning | FGF | Grant, Otter Tail | 47 min |
| Jul 8, 5:00 AM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail, Wilkin | 60 min |
| Jul 8, 5:53 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard, Otter Tail, Wadena | 27 min |
| Jul 8, 6:19 AM CDT | Special Weather Statement | FGF | Wadena | 56 min |
| Jul 8, 10:42 AM CDT | River Flood Warning | FGF | Clay | 4 days |
| Jul 8, 5:00 PM CDT | Special Weather Statement | FGF | Otter Tail | 45 min |
| Jul 8, 5:08 PM CDT | Tornado Warning | FGF | Grant, Otter Tail | 52 min |
| Jul 8, 5:30 PM CDT | Special Weather Statement | FGF | Otter Tail | 60 min |
| Jul 8, 6:05 PM CDT | Special Weather Statement | FGF | Otter Tail | 25 min |
| Jul 8, 6:33 PM CDT | Special Weather Statement | FGF | Otter Tail | 27 min |
| Jul 8, 6:35 PM CDT | Tornado Warning | FGF | Otter Tail, Wadena | 25 min |
Nearby
Tornado Warnings in Minnesota, 2020Every tornado warning in 2020Tornadoes in 2020
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.