Alert archive / North Dakota / Tornado Warnings in 2014
Tornado Warning 28, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Sep 20, 2014, 1:22 PM CDT for Sargent County, North Dakota. It was in force for 38 min. 2 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
- Sep 20, 2014, 1:22 PM CDT (18:22 UTC)
- Expired
- Sep 20, 2014, 2:00 PM CDT
- In force
- 38 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Sargent County, ND
The radar
The Aberdeen radar (KABR), 81 km from the middle of the area, began a volume at 18:25 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 |
|---|---|---|---|
| Sep 20, 1:59 PM CDT | HAIL 1 | 9 S Cayuga, ND | |
| Sep 20, 2:05 PM CDT | TSTM WND GST 60 | 1 W Havana, ND | SEVERE WINDS ACCOMPANIED BY NICKEL SIZED HAIL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 6.4 hours before the alert went out and 134 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1066 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
253
WFUS53 KFGF 201822
TORFGF
NDC081-201900-
/O.NEW.KFGF.TO.W.0028.140920T1822Z-140920T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
122 PM CDT SAT SEP 20 2014
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN SARGENT COUNTY IN SOUTHEAST NORTH DAKOTA...
* UNTIL 200 PM CDT
* AT 119 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR STRAUBVILLE...AND MOVING SOUTHEAST AT 40
MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES.
* THIS DANGEROUS STORM WILL BE NEAR...
BRAMPTON AROUND 135 PM CDT.
HAVANA AROUND 145 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 4593 9784 4603 9802 4612 9801 4620 9794
4594 9728 4593 9729
TIME...MOT...LOC 1822Z 303DEG 36KT 4607 9788
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
TG3 follow-up statements
957
WWUS53 KFGF 201836
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
136 PM CDT SAT SEP 20 2014
NDC081-201900-
/O.CON.KFGF.TO.W.0028.000000T0000Z-140920T1900Z/
SARGENT ND-
136 PM CDT SAT SEP 20 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN SARGENT
COUNTY UNTIL 200 PM CDT...
AT 133 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BRAMPTON...AND MOVING SOUTHEAST AT 40 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES.
THE DANGEROUS STORM WILL BE NEAR...
HAVANA AROUND 145 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GRAND
FORKS.
&&
LAT...LON 4593 9765 4603 9780 4605 9780 4609 9772
4594 9728 4593 9729
TIME...MOT...LOC 1836Z 303DEG 36KT 4600 9770
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
TG391
WWUS53 KFGF 201853
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
153 PM CDT SAT SEP 20 2014
NDC081-201900-
/O.CON.KFGF.TO.W.0028.000000T0000Z-140920T1900Z/
SARGENT ND-
153 PM CDT SAT SEP 20 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN SARGENT
COUNTY UNTIL 200 PM CDT...
AT 151 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES EAST OF HAVANA...AND MOVING SOUTHEAST AT 40 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS AND VEHICLES.
THE DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN
SARGENT COUNTY.
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 4593 9756 4596 9758 4598 9758 4602 9753
4594 9728 4593 9729
TIME...MOT...LOC 1854Z 301DEG 36KT 4593 9747
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
TG121
WWUS53 KFGF 201900
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
200 PM CDT SAT SEP 20 2014
NDC081-201910-
/O.EXP.KFGF.TO.W.0028.000000T0000Z-140920T1900Z/
SARGENT ND-
200 PM CDT SAT SEP 20 2014
...THE TORNADO WARNING FOR SOUTHEASTERN SARGENT COUNTY HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4593 9756 4596 9758 4598 9758 4602 9753
4594 9728 4593 9729
TIME...MOT...LOC 1853Z 301DEG 36KT 4593 9749
$$
TGThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 1:13 PM CDT | Special Weather Statement | FGF | Sargent | 62 min |
| Sep 20, 2:01 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 14 min |
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.