Alert archive / North Dakota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 28, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 14, 2012, 4:53 AM CDT for 4 counties in North Dakota. It was in force for 48 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
- Jun 14, 2012, 4:53 AM CDT (09:53 UTC)
- Expired
- Jun 14, 2012, 5:41 AM CDT
- In force
- 48 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Barnes County, ND, Cass County, ND, Ransom County, ND, Richland County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 108 km from the middle of the area, began a volume at 09:56 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 14, 5:05 AM CDT | HAIL 1 | 3 Sse Nome, ND | A FEW DIME TO QUARTER SIZED HAIL AND BRIEF BUT VERY STRONG WINDS. |
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 00:00Z, 9.9 hours before the alert went out and 196 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
- 1191 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 1769 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
388
WUUS53 KFGF 140953
SVRFGF
NDC003-017-073-077-141100-
/O.NEW.KFGF.SV.W.0028.120614T0953Z-120614T1100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
453 AM CDT THU JUN 14 2012
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BARNES COUNTY IN SOUTHEAST NORTH DAKOTA...
SOUTHWESTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA...
NORTHERN RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA...
NORTHWESTERN RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA...
* UNTIL 600 AM CDT
* AT 451 AM 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 6 MILES
WEST OF FORT RANSOM...OR 26 MILES SOUTH OF VALLEY CITY...MOVING TO
THE EAST AT 40 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
LITTLE YELLOWSTONE STATE...KATHRYN AND FORT RANSOM AROUND 500 AM
CDT.
NOME AND FINGAL AROUND 510 AM CDT.
LUCCA AROUND 515 AM CDT.
ENDERLIN AROUND 520 AM CDT.
THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM
INCLUDE SHELDON...EMBDEN...CHAFFEE AND LEONARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
&&
LAT...LON 4662 9804 4663 9820 4667 9822 4687 9731
4654 9712 4641 9804
TIME...MOT...LOC 0953Z 255DEG 39KT 4655 9803
WIND...HAIL 60MPH 1.00IN
$$
ROGERS2 follow-up statements
026 WWUS53 KFGF 141019 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 519 AM CDT THU JUN 14 2012 NDC003-017-073-077-141100- /O.CON.KFGF.SV.W.0028.000000T0000Z-120614T1100Z/ BARNES ND-CASS ND-RANSOM ND-RICHLAND ND- 519 AM CDT THU JUN 14 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN RICHLAND...NORTHEASTERN RANSOM...SOUTHWESTERN CASS AND SOUTHEASTERN BARNES COUNTIES IN SOUTHEAST NORTH DAKOTA UNTIL 600 AM CDT... AT 515 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 4 MILES WEST OF ENDERLIN...OR 26 MILES SOUTHEAST OF VALLEY CITY...MOVING TO THE EAST AT 45 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... SHELDON...ANSELM AND ALICE AROUND 525 AM CDT. EMBDEN AND CHAFFEE AROUND 535 AM CDT. LEONARD AROUND 540 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4646 9770 4675 9785 4687 9731 4654 9712 TIME...MOT...LOC 1018Z 251DEG 42KT 4663 9763 $$ ROGERS
087 WWUS53 KFGF 141041 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 541 AM CDT THU JUN 14 2012 NDC003-017-073-077-141051- /O.CAN.KFGF.SV.W.0028.000000T0000Z-120614T1100Z/ BARNES ND-CASS ND-RANSOM ND-RICHLAND ND- 541 AM CDT THU JUN 14 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RICHLAND... NORTHEASTERN RANSOM...SOUTHWESTERN CASS AND SOUTHEASTERN BARNES COUNTIES IN SOUTHEAST NORTH DAKOTA IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4646 9770 4675 9785 4687 9731 4654 9712 TIME...MOT...LOC 1041Z 251DEG 42KT 4671 9726 $$ ROGERS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 1:20 AM CDT | Special Weather Statement | FGF | Barnes, Ransom, Sargent | 55 min |
| Jun 14, 2:08 AM CDT | Special Weather Statement | FGF | Cass, Ransom, Richland, Steele, Traill | 37 min |
| Jun 14, 2:44 AM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 46 min |
| Jun 14, 3:41 AM CDT | Special Weather Statement | FGF | Ransom, Richland, Sargent | 64 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 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.