Alert archive / North Dakota / Tornado Warnings in 2016
Tornado Warning 28, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 27, 2016, 4:11 PM CDT for Grand Forks County, North Dakota. It was in force for 49 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
- Aug 27, 2016, 4:11 PM CDT (21:11 UTC)
- Expired
- Aug 27, 2016, 5:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
County Grand Forks County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 28 km from the middle of the area, began a volume at 21:13 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 27, 4:12 PM CDT | TORNADO 0 | 4 S Arvilla, ND | TORNADO TOUCHDOWN FOR 1-2 MINUTES...TRACKED MAYBE A HALF MILE ACROSS AND OPEN FIELD UNTIL 414 PM CDT. PEAK WINDS ESTIMATED TO 70 MPH. MAXIMUM WITH TO 100 YARDS. |
| Aug 27, 4:18 PM CDT | TORNADO 1 | 5 S Arvilla, ND | A LARGE TORNADO TRACKED TO THE SOUTHEAST FOR ROUGHLY 4 MILES TO AROUND 8 SSW OF EMERADO BY 432 PM. THIS TORNADO SNAPPED OR UPROOTED NUMEROUS TREES ALONG ITS PATH...IT DEMOLISHED A SMALL BARN AND SPREAD BARN AND RANCH DEBRIS OVER A BROAD AREA. PEAK WINDS ESTIMA |
| Aug 27, 4:21 PM CDT | TORNADO | 8 Ssw Emerado, ND | REPORT OF A LARGE TORNADO SOUTH OF EMERADO. LOCATION ESTIMATED FROM RADAR. |
| Aug 27, 4:30 PM CDT | HAIL 1.75 | 5 S Emerado, ND | LARGE HAIL FELL ACROSS SOUTHERN OAKVILLE AND CHESTER TOWNSHIPS. |
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 27, 4:05 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 9.2 hours before the alert went out and 278 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
- 44 J/kg
- Mixed-layer CIN
- -177 J/kg
- Mixed-layer LCL
- 1223 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
375
WFUS53 KFGF 272111
TORFGF
NDC035-272200-
/O.NEW.KFGF.TO.W.0028.160827T2111Z-160827T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
411 PM CDT SAT AUG 27 2016
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTH CENTRAL GRAND FORKS COUNTY IN NORTHEASTERN NORTH DAKOTA...
* UNTIL 500 PM CDT
* AT 411 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR ARVILLA...OR 19 MILES WEST OF GRAND
FORKS...MOVING SOUTHEAST AT 10 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES.
* THIS DANGEROUS STORM WILL BE NEAR...
HOLMES AROUND 500 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 4780 9714 4767 9731 4767 9738 4784 9754
4788 9749
TIME...MOT...LOC 2111Z 301DEG 9KT 4785 9747
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
LEE4 follow-up statements
056
WWUS53 KFGF 272120
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
420 PM CDT SAT AUG 27 2016
NDC035-272200-
/O.CON.KFGF.TO.W.0028.000000T0000Z-160827T2200Z/
GRAND FORKS ND-
420 PM CDT SAT AUG 27 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTH
CENTRAL GRAND FORKS COUNTY...
AT 419 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR ARVILLA...OR 18
MILES WEST OF GRAND FORKS...MOVING SOUTHEAST AT 10 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. AT 415 PM...TRAINED
WEATHER SPOTTERS REPORTED A BRIEF TORNADO TOUCHDOWN 5 MILES
SOUTH OF ARVILLA.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES.
THIS TORNADO WILL BE NEAR...
HOLMES AROUND 500 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.
&&
LAT...LON 4767 9731 4767 9738 4781 9749 4785 9743
4778 9717
TIME...MOT...LOC 2119Z 307DEG 10KT 4783 9744
TORNADO...OBSERVED
HAIL...1.75IN
$$
LEE613
WWUS53 KFGF 272128
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
428 PM CDT SAT AUG 27 2016
NDC035-272200-
/O.CON.KFGF.TO.W.0028.000000T0000Z-160827T2200Z/
GRAND FORKS ND-
428 PM CDT SAT AUG 27 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTH
CENTRAL GRAND FORKS COUNTY...
AT 427 PM CDT...A CONFIRMED LARGE AND EXTREMELY DANGEROUS TORNADO WAS
LOCATED 8 MILES SOUTH OF EMERADO...OR 17 MILES SOUTHWEST OF GRAND
FORKS...MOVING SOUTHEAST AT 10 MPH.
THIS IS A PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...DAMAGING TORNADO.
SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO 5 MILES SOUTHEAST OF
ARVILLA.
IMPACT...YOU ARE IN A LIFE-THREATENING SITUATION. FLYING DEBRIS MAY
BE DEADLY TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES
WILL BE DESTROYED. CONSIDERABLE DAMAGE TO HOMES...
BUSINESSES...AND VEHICLES IS LIKELY AND COMPLETE
DESTRUCTION IS POSSIBLE.
THE TORNADO WILL BE NEAR...
HOLMES AROUND 500 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 4767 9731 4767 9738 4781 9746 4784 9741
4778 9717
TIME...MOT...LOC 2127Z 313DEG 9KT 4781 9742
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.75IN
$$
LEE305
WWUS53 KFGF 272140
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
440 PM CDT SAT AUG 27 2016
NDC035-272200-
/O.CON.KFGF.TO.W.0028.000000T0000Z-160827T2200Z/
GRAND FORKS ND-
440 PM CDT SAT AUG 27 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTH
CENTRAL GRAND FORKS COUNTY...
AT 439 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR HOLMES...OR 16 MILES SOUTHWEST OF GRAND
FORKS...MOVING SOUTHEAST AT 10 MPH. THIS STORM HAS A HISTORY OF
PRODUCTING TOUCHDOWNS SOUTH OF ARVILLA AND EMERADO.
HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE DAMAGE
IS LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
HOLMES AROUND 500 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.
&&
LAT...LON 4767 9731 4767 9738 4781 9746 4784 9741
4778 9717
TIME...MOT...LOC 2139Z 301DEG 9KT 4779 9738
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
LEE542
WWUS53 KFGF 272154
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
454 PM CDT SAT AUG 27 2016
NDC035-272204-
/O.EXP.KFGF.TO.W.0028.000000T0000Z-160827T2200Z/
GRAND FORKS ND-
454 PM CDT SAT AUG 27 2016
...THE TORNADO WARNING FOR SOUTH CENTRAL GRAND FORKS COUNTY WILL
EXPIRE AT 500 PM CDT...
THE TORNADO THREAT HAS DIMINISHED AND THE TORNADO WARNING HAS BEEN
CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN LIKELY AND
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHEASTERN AND SOUTHEASTERN NORTH DAKOTA.
LAT...LON 4767 9731 4767 9738 4781 9746 4784 9741
4778 9717
TIME...MOT...LOC 2153Z 301DEG 9KT 4779 9738
$$
LEEThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 12:13 PM CDT | Areal Flood Advisory | FGF | Traill | 5 hr |
| Aug 27, 12:59 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 61 min |
| Aug 27, 1:12 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 63 min |
| Aug 27, 3:03 PM CDT | Special Weather Statement | FGF | Grand Forks | 27 min |
| Aug 27, 3:10 PM CDT | Special Weather Statement | FGF | Pembina | 35 min |
| Aug 27, 3:22 PM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 38 min |
| Aug 27, 3:30 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 60 min |
| Aug 27, 3:49 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 41 min |
| Aug 27, 3:52 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 38 min |
| Aug 27, 4:25 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 50 min |
| Aug 27, 4:54 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 51 min |
| Aug 27, 5:41 PM CDT | Severe Thunderstorm Warning | FGF | Traill | 49 min |
| Aug 27, 6:01 PM CDT | Tornado Warning | FGF | Traill | 29 min |
| Aug 27, 6:26 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 64 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.