Alert archive / Minnesota / Tornado Warnings in 2016
Tornado Warning 31, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 28, 2016, 8:27 PM CDT for Mahnomen County, Polk County, Red Lake County, Minnesota. It was in force for 33 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
- Aug 28, 2016, 8:27 PM CDT (01:27 UTC)
- Expired
- Aug 28, 2016, 9:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Mahnomen County, MN, Polk County, MN, Red Lake County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 97 km from the middle of the area, began a volume at 01:30 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 |
|---|---|---|---|
| Aug 28, 8:50 PM CDT | HAIL 1.75 | 4 Wsw Fertile, MN | LARGE HAIL FELL IN SHEETS. |
| Aug 28, 9:04 PM CDT | TORNADO 2 | 7 Wnw Flaming, MN | THIS MULTI-VORTEX TORNADO WAS VIEWED FROM SEVERAL LOCATIONS NEAR THE POLK/NORMAN COUNTY LINE... BEFORE IT BECOME RAIN-WRAPPED. IT TRACKED TO THE SOUTHEAST IN A JAGGED AND INTERMITTENT FASHION FOR NEARLY 10 MILES AND ENDED ROUGHLY 1 MILE NORTHWEST OF GARY BY 10 |
| Aug 28, 9:05 PM CDT | HAIL 2.5 | 2 S Fertile, MN | VERY LARGE HAIL COVERING THE GROUND. TIME ESTIMATED BASED ON RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 1.5 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
- 36 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 235 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
753
WFUS53 KFGF 290127
TORFGF
MNC087-119-125-290200-
/O.NEW.KFGF.TO.W.0031.160829T0127Z-160829T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
827 PM CDT SUN AUG 28 2016
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL RED LAKE COUNTY IN NORTHWESTERN MINNESOTA...
SOUTHEASTERN POLK COUNTY IN NORTHWESTERN MINNESOTA...
NORTHERN MAHNOMEN COUNTY IN NORTHWESTERN MINNESOTA...
* UNTIL 900 PM CDT
* AT 826 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED OVER MELVIN...OR 37 MILES SOUTH OF THIEF RIVER
FALLS... MOVING NORTHEAST AT 25 MPH. THIS STORM HAS A HISTORY OF
PRODUCING BRIEF TOUCHDOWNS NEAR BELTRAMI.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES.
* THIS DANGEROUS STORM WILL BE NEAR...
FERTILE AROUND 830 PM CDT.
MAPLE BAY...DUGDALE AND MARCOUX AROUND 840 PM CDT.
MENTOR AROUND 845 PM CDT.
ERSKINE AROUND 855 PM CDT.
BROOKS AND MCINTOSH AROUND 900 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
GRAND FORKS.
&&
LAT...LON 4749 9607 4750 9607 4750 9644 4763 9654
4797 9595 4797 9590 4796 9589 4748 9555
TIME...MOT...LOC 0126Z 245DEG 37KT 4760 9641
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
LEE2 follow-up statements
572
WWUS53 KFGF 290142
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
842 PM CDT SUN AUG 28 2016
MNC087-119-125-290200-
/O.CON.KFGF.TO.W.0031.000000T0000Z-160829T0200Z/
RED LAKE MN-POLK MN-MAHNOMEN MN-
842 PM CDT SUN AUG 28 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHEASTERN RED LAKE...SOUTHEASTERN POLK AND NORTHERN MAHNOMEN
COUNTIES...
AT 842 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR FERTILE...OR 40 MILES SOUTH OF THIEF RIVER FALLS...
MOVING EAST AT 30 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES.
THIS DANGEROUS STORM WILL BE NEAR...
FERTILE AROUND 850 PM CDT.
MAPLE BAY AROUND 900 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.
&&
LAT...LON 4757 9649 4760 9651 4787 9584 4764 9567
4748 9555 4748 9556 4749 9607 4750 9607
4750 9644
TIME...MOT...LOC 0142Z 256DEG 24KT 4754 9638
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
LEE080
WWUS53 KFGF 290154
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
854 PM CDT SUN AUG 28 2016
MNC087-119-125-290203-
/O.EXP.KFGF.TO.W.0031.000000T0000Z-160829T0200Z/
RED LAKE MN-POLK MN-MAHNOMEN MN-
854 PM CDT SUN AUG 28 2016
...THE TORNADO WARNING FOR SOUTHEASTERN RED LAKE...SOUTHEASTERN POLK
AND NORTHERN MAHNOMEN COUNTIES WILL EXPIRE AT 900 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER SMALL HAIL
AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
A SEPARATE TORNADO WARNING IS IN EFFECT FOR EXTREME SOUTHERN POLK
AND NORTHEAST NORMAN COUNTIES.
LAT...LON 4757 9649 4760 9651 4787 9584 4764 9567
4748 9555 4748 9556 4749 9607 4750 9607
4750 9644
TIME...MOT...LOC 0151Z 245DEG 37KT 4754 9638
$$
LEEThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 7:48 PM CDT | Special Weather Statement | FGF | Polk, Red Lake | 42 min |
| Aug 28, 7:49 PM CDT | Special Weather Statement | FGF | Lake of the Woods | 56 min |
| Aug 28, 8:03 PM CDT | Tornado Warning | FGF | Polk, Red Lake | 27 min |
| Aug 28, 8:50 PM CDT | Tornado Warning | FGF | Mahnomen, Norman, Polk | 25 min |
| Aug 28, 9:05 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman, Polk | 40 min |
| Aug 28, 9:12 PM CDT | Tornado Warning | FGF | Norman, Polk | 48 min |
| Aug 28, 9:41 PM CDT | Areal Flood Advisory | FGF | Norman, Polk | 7 hr |
| Aug 28, 9:56 PM CDT | Tornado Warning | FGF | Norman | 49 min |
| Aug 28, 10:37 PM CDT | Flash Flood Warning | FGF | Mahnomen, Norman, Polk | 10 hr |
| Aug 28, 10:41 PM CDT | Tornado Warning | FGF | Becker, Mahnomen, Norman | 49 min |
| Aug 28, 11:31 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Clearwater, Mahnomen, Norman | 59 min |
| Aug 29, 2:11 AM CDT | Special Weather Statement | FGF | Otter Tail, Wadena | 64 min |
| Aug 29, 3:29 AM CDT | Special Weather Statement | FGF | Otter Tail | 61 min |
| Aug 29, 4:36 AM CDT | Areal Flood Advisory | FGF | Beltrami, Clearwater, Hubbard | 3 hr |
Nearby
Tornado Warnings in Minnesota, 2016Every tornado warning in 2016Tornadoes in 2016
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.