Alert archive / North Dakota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 32, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 17, 2012, 6:31 PM CDT for Richland County, North Dakota; Wilkin County, Minnesota. It was in force for 44 min. 3 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
- Jun 17, 2012, 6:31 PM CDT (23:31 UTC)
- Expired
- Jun 17, 2012, 7:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Wilkin County, MN, Richland County, ND
The radar
The Aberdeen radar (KABR), 145 km from the middle of the area, began a volume at 23:31 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 |
|---|---|---|---|
| Jun 17, 6:43 PM CDT | HAIL 0.88 | 4 S Mooreton, ND | DIME TO NICKEL SIZED HAIL FOR ABOUT 5 MINUTES. REPORT RECEIVED VIA FACEBOOK. TIME ESTIMATED FROM RADAR. |
| Jun 17, 6:50 PM CDT | HAIL 1 | 2 Se Mooreton, ND | |
| Jun 17, 6:55 PM CDT | HAIL 0.88 | Breckenridge, MN | REPORT RECEIVED VIA FACEBOOK. |
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 |
|---|---|---|---|
| Jun 17, 3:45 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 11.5 hours before the alert went out and 182 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
- 2160 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 301 m²/s²
- 0-3 km storm-relative helicity
- 545 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
567
WUUS53 KFGF 172331
SVRFGF
MNC167-NDC077-180015-
/O.NEW.KFGF.SV.W.0032.120617T2331Z-120618T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
631 PM CDT SUN JUN 17 2012
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
SOUTHERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA...
* UNTIL 715 PM CDT
* AT 626 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 3 MILES
EAST OF STILES...OR 23 MILES SOUTHWEST OF WAHPETON...MOVING TO THE
NORTHEAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
HANKINSON AND MANTADOR AROUND 635 PM CDT.
LAMARS AROUND 645 PM CDT.
SONORA...MOORETON AND GREAT BEND AROUND 650 PM CDT.
BLACKMER AROUND 655 PM CDT.
THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM
INCLUDE FAIRMOUNT...DWIGHT AND WAHPETON.
FOR MOTORISTS ON INTERSTATE 29...THE SEVERE THUNDERSTORM WILL BE
BETWEEN...MILE MARKER 10 AROUND 640 PM CDT...AND MILE MARKER 16
AROUND 645 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO IS SPOTTED...
MOVE QUICKLY TO A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4596 9702 4615 9717 4639 9666 4602 9636
4602 9656 4594 9656
TIME...MOT...LOC 2330Z 244DEG 25KT 4608 9696
WIND...HAIL 60MPH 1.00IN
$$
TG/BB2 follow-up statements
042
WWUS53 KFGF 172353
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
653 PM CDT SUN JUN 17 2012
MNC167-NDC077-180015-
/O.CON.KFGF.SV.W.0032.000000T0000Z-120618T0015Z/
RICHLAND ND-WILKIN MN-
653 PM CDT SUN JUN 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
WILKIN COUNTY IN WEST CENTRAL MINNESOTA...AND SOUTHEASTERN RICHLAND
COUNTY IN SOUTHEAST NORTH DAKOTA UNTIL 715 PM CDT...
AT 649 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 2 MILES
NORTHEAST OF GREAT BEND...OR 10 MILES SOUTHWEST OF WAHPETON...MOVING
TO THE NORTHEAST AT 35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
DWIGHT AROUND 700 PM CDT.
WAHPETON AROUND 705 PM CDT.
BRECKENRIDGE AND TENNEY AROUND 710 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO IS SPOTTED
ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4595 9683 4624 9698 4639 9666 4602 9636
4602 9656 4594 9656
TIME...MOT...LOC 2353Z 245DEG 29KT 4619 9674
$$
TG/BB335
WWUS53 KFGF 180015 RRA
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
715 PM CDT SUN JUN 17 2012
MNC167-NDC077-180025-
/O.EXP.KFGF.SV.W.0032.000000T0000Z-120618T0015Z/
RICHLAND ND-WILKIN MN-
715 PM CDT SUN JUN 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL WILKIN COUNTY IN
WEST CENTRAL MINNESOTA...AND SOUTHEASTERN RICHLAND COUNTY IN
SOUTHEAST NORTH DAKOTA HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
LAT...LON 4595 9683 4624 9698 4639 9666 4602 9636
4602 9656 4594 9656
TIME...MOT...LOC 2353Z 245DEG 29KT 4619 9674
$$
TG/BBThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 5:37 PM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 53 min |
| Jun 17, 6:08 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 67 min |
| Jun 17, 6:02 PM CDT | Special Weather Statement | FGF | Wilkin | 58 min |
| Jun 17, 6:16 PM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail, Wilkin | 59 min |
| Jun 17, 6:41 PM CDT | Tornado Warning | FGF | Grant | 49 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2012Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
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.