Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 142, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 21, 2016, 12:00 AM CDT for Becker County, Clay County, Norman County, Minnesota; Cass County, Steele County, Traill County, North Dakota. It was in force for 60 min. 1 report 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, 2016, 12:00 AM CDT (05:00 UTC)
- Expired
- Jul 21, 2016, 1:00 AM CDT
- In force
- 60 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Becker County, MN, Clay County, MN, Norman County, MN, Cass County, ND, Steele County, ND, Traill County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 63 km from the middle of the area, began a volume at 05:02 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, 12:03 AM CDT | TSTM WND GST 69 | 3 Nnw Fargo, ND | PEAK WIND OF 60 KNOTS MEASURED AT THE FARGO AIRPORT /KFAR/. |
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 20, 8:41 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 5.0 hours before the alert went out and 279 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
- 3010 J/kg
- Mixed-layer CIN
- -225 J/kg
- Mixed-layer LCL
- 1893 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.7
The text
As transmitted.
412 WUUS53 KFGF 210500 SVRFGF MNC005-027-107-NDC017-091-097-210600- /O.NEW.KFGF.SV.W.0142.160721T0500Z-160721T0600Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1200 AM CDT THU JUL 21 2016 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN BECKER COUNTY IN NORTHWESTERN MINNESOTA... SOUTHWESTERN NORMAN COUNTY IN NORTHWESTERN MINNESOTA... NORTHERN CLAY COUNTY IN NORTHWESTERN MINNESOTA... SOUTHEASTERN STEELE COUNTY IN SOUTHEASTERN NORTH DAKOTA... SOUTHERN TRAILL COUNTY IN SOUTHEASTERN NORTH DAKOTA... NORTHERN CASS COUNTY IN SOUTHEASTERN NORTH DAKOTA... * UNTIL 100 AM CDT * AT 1200 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM ROSEVILLE TO NEAR AYR...MOVING EAST AT 55 MPH. HAZARD...60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. * SEVERE THUNDERSTORMS WILL BE NEAR... ABSARAKA AND BLANCHARD AROUND 1210 AM CDT. AMENIA AROUND 1215 AM CDT. KELSO AROUND 1220 AM CDT. HENDRUM AND PROSPER AROUND 1230 AM CDT. REILE'S ACRES...HARWOOD AND BROOKTREE PARK AROUND 1235 AM CDT. ALSO INCLUDES INTERSTATE 29 BETWEEN MILE MARKERS 67 AND 101. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4718 9614 4681 9621 4700 9769 4746 9754 TIME...MOT...LOC 0500Z 279DEG 47KT 4742 9739 4700 9755 HAIL...<.75IN WIND...60MPH $$ TG
2 follow-up statements
642 WWUS53 KFGF 210528 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1228 AM CDT THU JUL 21 2016 NDC091-210537- /O.CAN.KFGF.SV.W.0142.000000T0000Z-160721T0600Z/ STEELE ND- 1228 AM CDT THU JUL 21 2016 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STEELE COUNTY IS CANCELLED... THE STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FOR NORTHWESTERN MINNESOTA...AND SOUTHEASTERN NORTH DAKOTA. LAT...LON 4718 9614 4681 9621 4694 9723 4736 9704 TIME...MOT...LOC 0527Z 279DEG 47KT 4736 9689 4694 9705 $$ MNC005-027-107-NDC017-097-210600- /O.CON.KFGF.SV.W.0142.000000T0000Z-160721T0600Z/ BECKER MN-NORMAN MN-CLAY MN-TRAILL ND-CASS ND- 1228 AM CDT THU JUL 21 2016 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR NORTHWESTERN BECKER...SOUTHWESTERN NORMAN...NORTHERN CLAY... SOUTHEASTERN TRAILL AND NORTHEASTERN CASS COUNTIES... AT 1227 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR HALSTAD TO PROSPER...MOVING EAST AT 55 MPH. HAZARD...60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. THESE SEVERE STORMS WILL BE NEAR... REILE'S ACRES...HARWOOD AND HENDRUM AROUND 1235 AM CDT. NORTHERN FARGO...OAKPORT AND NORTH RIVER AROUND 1240 AM CDT. MOORHEAD...DILWORTH AND KRAGNES AROUND 1245 AM CDT. GLYNDON AND AVERILL AROUND 1255 AM CDT. HAWLEY AND MUSKODA AROUND 100 AM CDT. ALSO INCLUDES INTERSTATE 29 BETWEEN MILE MARKERS 67 AND 99. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4718 9614 4681 9621 4694 9723 4736 9704 TIME...MOT...LOC 0527Z 279DEG 47KT 4736 9689 4694 9705 HAIL...<.75IN WIND...60MPH $$ TG
929
WWUS53 KFGF 210551
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1251 AM CDT THU JUL 21 2016
MNC005-027-107-NDC017-097-210600-
/O.EXP.KFGF.SV.W.0142.000000T0000Z-160721T0600Z/
BECKER MN-NORMAN MN-CLAY MN-TRAILL ND-CASS ND-
1251 AM CDT THU JUL 21 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BECKER...
SOUTHWESTERN NORMAN...NORTHERN CLAY...SOUTHEASTERN TRAILL AND
NORTHEASTERN CASS COUNTIES WILL EXPIRE AT 100 AM CDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM CDT FOR
NORTHWESTERN MINNESOTA...AND SOUTHEASTERN NORTH DAKOTA.
LAT...LON 4718 9614 4681 9621 4694 9723 4736 9704
TIME...MOT...LOC 0550Z 279DEG 47KT 4736 9689 4694 9705
$$
TGThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 9:01 PM CDT | Severe Thunderstorm Warning | FGF | Kittson, Roseau | 59 min |
| Jul 20, 9:59 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Kittson, Lake of the Woods, Marshall, Roseau | 61 min |
| Jul 20, 10:42 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 48 min |
| Jul 20, 11:00 PM CDT | Severe Thunderstorm Warning | FGF | Marshall, Polk | 45 min |
| Jul 20, 11:07 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods, Marshall, Pennington | 53 min |
| Jul 20, 11:13 PM CDT | Severe Thunderstorm Warning | FGF | Norman, Polk | 62 min |
| Jul 20, 11:26 PM CDT | Severe Thunderstorm Warning | FGF | Marshall, Pennington, Polk, Red Lake | 41 min |
| Jul 20, 11:36 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Norman | 39 min |
| Jul 20, 11:58 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods | 32 min |
| Jul 21, 12:03 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Beltrami, Clearwater, Hubbard, Mahnomen, Norman and 1 more | 57 min |
| Jul 21, 12:37 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Otter Tail, Wilkin | 53 min |
| Jul 21, 12:43 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Beltrami, Clearwater, Hubbard, Otter Tail, Wadena | 62 min |
| Jul 21, 1:20 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Grant, Otter Tail, Wadena, Wilkin | 55 min |
| Jul 21, 2:14 AM CDT | Severe Thunderstorm Warning | FGF | Grant | 46 min |
| Jul 21, 3:49 AM CDT | Special Weather Statement | FGF | Grant | 56 min |
| Jul 20, 7:40 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 50 min |
| Jul 20, 7:56 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 49 min |
| Jul 20, 8:25 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina | 50 min |
| Jul 20, 8:35 PM CDT | Special Weather Statement | FGF | Towner | 25 min |
| Jul 20, 8:44 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 46 min |
| Jul 20, 9:10 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey, Towner | 50 min |
| Jul 20, 9:11 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Griggs, Nelson | 64 min |
| Jul 20, 9:28 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Nelson, Ramsey | 47 min |
| Jul 20, 9:43 PM CDT | Tornado Warning | FGF | Eddy, Griggs, Nelson | 32 min |
| Jul 20, 9:59 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson, Walsh | 46 min |
| Jul 20, 10:10 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Grand Forks, Griggs, Nelson, Ramsey and 2 more | 65 min |
| Jul 20, 11:07 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele, Traill | 53 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2016Severe Thunderstorm Warnings in North Dakota, 2016Every severe thunderstorm warning 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.