Alert archive / North Dakota / Tornado Warnings in 2013
Tornado Warning 7, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 12, 2013, 7:30 PM CDT for Richland County, Sargent County, North Dakota. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2013, 7:30 PM CDT (00:30 UTC)
- Expired
- Jul 12, 2013, 8:15 PM CDT
- In force
- 45 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
Counties Richland County, ND, Sargent County, ND
The radar
The Aberdeen radar (KABR), 119 km from the middle of the area, began a volume at 00:33 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.
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 12, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 0.5 hours before the alert went out and 162 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
- 3608 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1497 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 6.5
The text
As transmitted, in the capitals the NWS used until 2016.
245
WFUS53 KFGF 130030
TORFGF
NDC077-081-130115-
/O.NEW.KFGF.TO.W.0007.130713T0030Z-130713T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
730 PM CDT FRI JUL 12 2013
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA...
SOUTHEASTERN SARGENT COUNTY IN SOUTHEAST NORTH DAKOTA...
* UNTIL 815 PM CDT
* AT 727 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR RUTLAND...AND MOVING EAST AT 25 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS
WILL BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS
LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
CAYUGA AROUND 740 PM CDT.
GENESEO AROUND 750 PM CDT.
LIDGERWOOD AROUND 805 PM CDT.
STILES AND HANKINSON AROUND 815 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 4616 9686 4594 9687 4596 9760 4614 9759
TIME...MOT...LOC 0030Z 271DEG 23KT 4604 9746
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
EWENS3 follow-up statements
785
WWUS53 KFGF 130045
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
745 PM CDT FRI JUL 12 2013
NDC077-081-130115-
/O.CON.KFGF.TO.W.0007.000000T0000Z-130713T0115Z/
SARGENT ND-RICHLAND ND-
745 PM CDT FRI JUL 12 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN RICHLAND AND
EAST CENTRAL SARGENT COUNTIES UNTIL 815 PM CDT...
AT 743 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CAYUGA...AND MOVING EAST AT 25 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
GENESEO AROUND 750 PM CDT.
LIDGERWOOD AROUND 805 PM CDT.
STILES AND HANKINSON AROUND 815 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GRAND
FORKS.
&&
LAT...LON 4596 9748 4614 9751 4616 9686 4594 9687
TIME...MOT...LOC 0045Z 271DEG 23KT 4604 9732
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
EWENS771
WWUS53 KFGF 130058
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
758 PM CDT FRI JUL 12 2013
NDC077-081-130115-
/O.CON.KFGF.TO.W.0007.000000T0000Z-130713T0115Z/
SARGENT ND-RICHLAND ND-
758 PM CDT FRI JUL 12 2013
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN RICHLAND AND
EAST CENTRAL SARGENT COUNTIES UNTIL 815 PM CDT...
AT 757 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LIDGERWOOD...AND MOVING EAST AT 25 MPH.
HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO
ROOFS...WINDOWS AND VEHICLES WILL OCCUR. FLYING DEBRIS WILL
BE DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
LIDGERWOOD AROUND 805 PM CDT.
STILES AND HANKINSON AROUND 815 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 4596 9736 4614 9737 4616 9686 4594 9687
TIME...MOT...LOC 0058Z 271DEG 23KT 4604 9720
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
EWENS450 WWUS53 KFGF 130112 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 812 PM CDT FRI JUL 12 2013 NDC077-081-130122- /O.EXP.KFGF.TO.W.0007.000000T0000Z-130713T0115Z/ SARGENT ND-RICHLAND ND- 812 PM CDT FRI JUL 12 2013 ...THE TORNADO WARNING FOR SOUTHWESTERN RICHLAND AND EAST CENTRAL SARGENT COUNTIES WILL EXPIRE AT 815 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4596 9736 4614 9737 4616 9686 4594 9687 TIME...MOT...LOC 0112Z 271DEG 23KT 4604 9707 $$ EWENS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 7:14 PM CDT | Tornado Warning | FGF | Richland, Sargent | 46 min |
| Jul 12, 8:54 PM CDT | Areal Flood Advisory | FGF | Richland | 13 hr |
| Jul 12, 8:56 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 49 min |
| Jul 12, 11:46 PM CDT | Dense Fog Advisory | FGF | Benson, Cass, Cavalier, Eddy, Grand Forks, Griggs and 7 more | 8 hr |
Nearby
Tornado Warnings in North Dakota, 2013Every tornado warning in 2013Tornadoes in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.