Alert archive / North Dakota / Tornado Warnings in 2016
Tornado Warning 22, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 3, 2016, 5:31 PM CDT for Towner County, North Dakota. It was in force for 44 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
- Aug 3, 2016, 5:31 PM CDT (22:31 UTC)
- Expired
- Aug 3, 2016, 6:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 2.0 in
County Towner County, ND
The radar
The Minot AFB radar (KMBX), 124 km from the middle of the area, began a volume at 22:35 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 3, 5:45 PM CDT | TORNADO 2 | 1 Nne Agate, ND | CONTINUATION OF A MULTI-VORTEX TORNADO ACROSS THE ROLETTE-TOWNER COUNTY LINE NEAR THE COMMUNITY OF AGATE. THIS TORNADO TRACKED FOR AN ADDITIONAL 12 MILES ENE TO AROUND 4 NNE OR ARNDT. TOTAL TRACK LENGTH OF 20 MILES. THE TORNADO CENTER TRACKED ABOUT 2.5 MILES N |
| Aug 3, 5:45 PM CDT | TORNADO | 6 S Perth, ND | WIDE TORNADO OBSERVED TRACKING ACROSS THE ROLETTE-TOWNER COUNTY LINE NEAR THE COMMUNITY OF AGATE. TIME AND LOCATION BASED ON STREAMING VIDEO AND SOCIAL MEDIA REPORT. |
| Aug 3, 5:55 PM CDT | TSTM WND DMG | 4 W Bisbee, ND | TRANSFORMER LINES AND POWER POLES DOWN. TIME ESTIMATED. |
| Aug 3, 5:59 PM CDT | TORNADO | 1 N Bisbee, ND | INTERMITTENT TOUCHDOWNS REPORTED AND FILMED ACROSS SOUTHERN GRAINFIELD TOWNSHIP. |
| Aug 3, 6:23 PM CDT | TSTM WND DMG | 6 Ene Bisbee, ND | POWER LINES DOWN AND LOWER POLE SNAPPED ALONG HWY 281... 1 TO 2 MILES NORTH OF INTERSECTION WITH HWY 66. VIDEO AND REPORTS POSTED VIA SOCIAL MEDIA. |
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 |
|---|---|---|---|
| Aug 3, 3:38 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.5 hours before the alert went out and 245 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
- 58 J/kg
- Mixed-layer CIN
- -522 J/kg
- Mixed-layer LCL
- 1927 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
398
WFUS53 KFGF 032231
TORFGF
NDC095-032315-
/O.NEW.KFGF.TO.W.0022.160803T2231Z-160803T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
531 PM CDT WED AUG 3 2016
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL TOWNER COUNTY IN NORTHEASTERN NORTH DAKOTA...
* UNTIL 615 PM CDT
* AT 530 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED OVER AGATE...OR 44 MILES NORTHWEST OF DEVILS
LAKE... MOVING NORTHEAST AT 35 MPH.
HAZARD...TORNADO AND HAIL UP TO TWO INCHES IN DIAMETER.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES.
* THIS DANGEROUS STORM WILL BE NEAR...
BISBEE AND PERTH AROUND 545 PM CDT.
ARNDT AROUND 550 PM CDT.
ROCKLAKE AROUND 605 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 4897 9923 4876 9900 4872 9900 4872 9899
4847 9949 4872 9949 4872 9952 4873 9953
TIME...MOT...LOC 2230Z 222DEG 29KT 4859 9952
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$
JAM2 follow-up statements
275
WWUS53 KFGF 032242
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
542 PM CDT WED AUG 3 2016
NDC095-032315-
/O.CON.KFGF.TO.W.0022.000000T0000Z-160803T2315Z/
TOWNER ND-
542 PM CDT WED AUG 3 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
TOWNER COUNTY...
AT 542 PM CDT...A CONFIRMED TORNADO WAS LOCATED OVER AGATE...OR 43
MILES NORTHWEST OF DEVILS LAKE...MOVING NORTHEAST AT 35 MPH.
HAZARD...DAMAGING TORNADO AND TENNIS BALL SIZE HAIL.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE DAMAGE
IS LIKELY.
THIS TORNADO WILL BE NEAR...
BISBEE AND PERTH AROUND 550 PM CDT.
ARNDT AROUND 600 PM CDT.
ROCKLAKE AROUND 610 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.
&&
LAT...LON 4897 9923 4876 9900 4873 9900 4872 9899
4853 9949 4872 9949 4872 9952 4873 9953
TIME...MOT...LOC 2242Z 232DEG 30KT 4860 9946
TORNADO...OBSERVED
HAIL...2.50IN
$$
JAM860
WWUS53 KFGF 032300
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
600 PM CDT WED AUG 3 2016
NDC095-032315-
/O.CON.KFGF.TO.W.0022.000000T0000Z-160803T2315Z/
TOWNER ND-
600 PM CDT WED AUG 3 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR CENTRAL
TOWNER COUNTY...
AT 559 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR PERTH...OR 46 MILES NORTHWEST OF DEVILS
LAKE...MOVING NORTHEAST AT 20 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE DAMAGE
IS LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
ROCKLAKE AROUND 615 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 4897 9923 4876 9900 4873 9900 4872 9899
4858 9949 4872 9949 4872 9952 4873 9953
TIME...MOT...LOC 2259Z 231DEG 16KT 4868 9942
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
JAMThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 4:30 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Towner | 60 min |
| Aug 3, 5:17 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 58 min |
| Aug 3, 6:14 PM CDT | Tornado Warning | FGF | Cavalier, Towner | 46 min |
| Aug 3, 6:43 PM CDT | Tornado Warning | FGF | Cavalier, Towner | 47 min |
| Aug 3, 6:48 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Cavalier, Ramsey, Towner | 42 min |
Nearby
Tornado Warnings in North Dakota, 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.