Alert archive / North Dakota / Tornado Warnings in 2014
Tornado Warning 16, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 21, 2014, 7:38 PM CDT for 4 counties in North Dakota. It was in force for 37 min. 10 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 21, 2014, 7:38 PM CDT (00:38 UTC)
- Expired
- Jul 21, 2014, 8:15 PM CDT
- In force
- 37 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Eddy County, ND, Griggs County, ND, Nelson County, ND, Steele County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 76 km from the middle of the area, began a volume at 00:40 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 21, 7:39 PM CDT | TSTM WND GST 73 | 9 S Hamar, ND | PEAK WINDS REPORTED AT THE NDAWN STATION NEAR HWY 20...MIDWAY BETWEEN MCHENRY AND HAMAR. |
| Jul 21, 7:47 PM CDT | TORNADO 0 | 5 Sw Tolna, ND | A BRIEF TOUCHDOWN WAS OBSERVED OVER OPEN COUNTRY NEAR THE SHEYENNE RIVER. PEAK WINDS ESTIMATED TO 60 MPH. MAXIMUM WIDTH AT 20 YARDS. |
| Jul 21, 7:47 PM CDT | TORNADO | 2 Nnw Red Willow Lake, ND | AN INTERMITTENT AND OFTEN RAIN WRAPPED TORNADO TRACKED LARGELY OVER OPEN COUNTRY FROM SOUTHEAST EDDY COUNTY...ACROSS FAR NORTHWEST GRIGGS COUNTY TO THE NELSON COUNTY LINE NORTH OF RED WILLOW LAKE. NO DAMAGES HAVE BEEN REPORTED THUS FAR. |
| Jul 21, 7:55 PM CDT | FUNNEL CLOUD | 2 Wnw Mcville, ND | |
| Jul 21, 8:00 PM CDT | TSTM WND DMG | Mcville, ND | MULTIPLE TREES BLOWN DOWN AND TWO EMPTY GRAIN BINS BLOWN OVER. |
| Jul 21, 8:00 PM CDT | TSTM WND GST 90 | Mcville, ND | MULTIPLE TREES SNAPPED OR UPROOTED. TWO EMPTY STEEL GRAIN BINS BLOWN OVER. POWER OUTAGES REPORTED ACROSS PEKIN AND MCVILLE. |
| Jul 21, 8:03 PM CDT | HAIL 2 | Kloten, ND | ALSO NUMEROUS LARGE TREE BRANCHES BROKEN DOWN. |
| Jul 21, 8:04 PM CDT | TSTM WND DMG | Aneta, ND | PORTIONS OF TIN ROOFING WERE BLOWN OFF OF A COUNTY BUILDING. |
| Jul 21, 8:05 PM CDT | NON-TSTM WND DMG | Sharon, ND | A COUPLE OF OLDER FARM OUTBUILDINGS WERE BLOWN OVER BY THE WIND NEAR SHARON. |
| Jul 21, 8:06 PM CDT | TSTM WND DMG | Sharon, ND | A COUPLE OF OLDER FARM OUTBUILDINGS WERE BLOWN OVER BY THE WIND NEAR SHARON. |
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 21, 5:07 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 0.6 hours before the alert went out and 314 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
- 4375 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 1069 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 7.6
The text
As transmitted, in the capitals the NWS used until 2016.
717
WFUS53 KFGF 220038
TORFGF
NDC027-039-063-091-220115-
/O.NEW.KFGF.TO.W.0016.140722T0038Z-140722T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
738 PM CDT MON JUL 21 2014
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN EDDY COUNTY IN NORTHEAST NORTH DAKOTA...
NORTHERN GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA...
SOUTHERN NELSON COUNTY IN NORTHEAST NORTH DAKOTA...
NORTHWESTERN STEELE COUNTY IN SOUTHEAST NORTH DAKOTA...
* UNTIL 815 PM CDT
* AT 735 PM CDT...A SEVERE SQUALL LINE CAPABLE OF PRODUCING TORNADOES
THAT MAY NOT BE VISIBLE DUE TO HEAVY RAIN WAS LOCATED NEAR
MCHENRY...AND MOVING NORTHEAST AT 65 MPH.
HAZARD...TORNADO.
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...
PEKIN AROUND 750 PM CDT.
MCVILLE AND KLOTEN AROUND 755 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 IN GRAND
FORKS.
&&
LAT...LON 4801 9791 4757 9786 4757 9851 4758 9852
4758 9860 4776 9873
TIME...MOT...LOC 0038Z 242DEG 56KT 4765 9849
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
JR2 follow-up statements
729
WWUS53 KFGF 220056
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
756 PM CDT MON JUL 21 2014
NDC027-039-063-091-220115-
/O.CON.KFGF.TO.W.0016.000000T0000Z-140722T0115Z/
EDDY ND-GRIGGS ND-NELSON ND-STEELE ND-
756 PM CDT MON JUL 21 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN STEELE...
SOUTHERN NELSON...NORTHERN GRIGGS AND SOUTHEASTERN EDDY COUNTIES
UNTIL 815 PM CDT...
AT 735 PM...THE PUBLIC REPORTED A TORNADO 16 MILES EAST OF NE
BRANTFORD.
AT 752 PM CDT...A SEVERE SQUALL LINE CAPABLE OF PRODUCING TORNADOES
THAT MAY NOT BE VISIBLE DUE TO HEAVY RAIN WAS LOCATED SOUTHWEST OF
MCVILLE...AND MOVING NORTHEAST AT 65 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THE DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN
GRIGGS...NORTHWESTERN STEELE...SOUTHEASTERN EDDY AND SOUTHERN NELSON
COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GRAND
FORKS.
&&
LAT...LON 4801 9791 4757 9786 4757 9851 4758 9852
4758 9860 4776 9873
TIME...MOT...LOC 0056Z 242DEG 56KT 4778 9812
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
JR029
WWUS53 KFGF 220115
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
815 PM CDT MON JUL 21 2014
NDC027-039-063-091-220125-
/O.EXP.KFGF.TO.W.0016.000000T0000Z-140722T0115Z/
EDDY ND-GRIGGS ND-NELSON ND-STEELE ND-
815 PM CDT MON JUL 21 2014
...THE TORNADO WARNING FOR NORTHWESTERN STEELE...SOUTHERN NELSON...
NORTHERN GRIGGS AND SOUTHEASTERN EDDY COUNTIES HAS EXPIRED...
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN GRAND FORKS.
LAT...LON 4801 9791 4757 9786 4757 9851 4758 9852
4758 9860 4776 9873
TIME...MOT...LOC 0056Z 242DEG 56KT 4778 9812
$$
JRThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:03 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 27 min |
| Jul 21, 7:26 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Eddy, Griggs, Nelson, Steele | 64 min |
| Jul 21, 7:30 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 60 min |
| Jul 21, 7:48 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 57 min |
| Jul 21, 8:09 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Grand Forks, Griggs, Nelson, Steele and 2 more | 66 min |
| Jul 21, 8:26 PM CDT | Flash Flood Warning | FGF | Grand Forks | 6 hr |
| Jul 21, 8:29 PM CDT | Tornado Warning | FGF | Grand Forks | 46 min |
| Jul 21, 8:43 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Grand Forks, Traill | 46 min |
| Jul 21, 11:10 PM CDT | High Wind Warning | FGF | Grand Forks, Traill | 5 hr |
Nearby
Tornado Warnings in North Dakota, 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.