Alert archive / North Dakota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 10, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at May 22, 2012, 9:50 PM CDT for 4 counties in North Dakota. It was in force for 40 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
- May 22, 2012, 9:50 PM CDT (02:50 UTC)
- Expired
- May 22, 2012, 10:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Steele County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 57 km from the middle of the area, began a volume at 02:53 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 |
|---|---|---|---|
| May 22, 9:55 PM CDT | HAIL 1 | 6 Ne Binford, ND |
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 |
|---|---|---|---|
| May 22, 4:03 PM CDT | Tornado Watch | SPC | 7 hr |
| May 22, 5:54 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 2.8 hours before the alert went out and 223 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
- 1372 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1878 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
972 WUUS53 KFGF 230250 SVRFGF NDC035-039-063-091-230330- /O.NEW.KFGF.SV.W.0010.120523T0250Z-120523T0330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 950 PM CDT TUE MAY 22 2012 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA... GRIGGS COUNTY IN SOUTHEAST NORTH DAKOTA... SOUTHEASTERN NELSON COUNTY IN NORTHEAST NORTH DAKOTA... NORTHWESTERN STEELE COUNTY IN SOUTHEAST NORTH DAKOTA... * UNTIL 1030 PM CDT * AT 948 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE STORM WAS LOCATED 6 MILES NORTH OF REVERE...OR 38 MILES NORTH OF VALLEY CITY...MOVING TO THE NORTHEAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... COOPERSTOWN...JESSIE AND BINFORD AROUND 955 PM CDT. MCVILLE...SHARON AND KLOTEN AROUND 1010 PM CDT. ANETA AROUND 1015 PM CDT. LOGAN CENTER AROUND 1025 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE NORTHWOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4796 9802 4774 9753 4726 9825 4740 9850 TIME...MOT...LOC 0249Z 220DEG 45KT 4745 9827 WIND...HAIL <50MPH 1.00IN $$ VG
3 follow-up statements
052 WWUS53 KFGF 230307 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1007 PM CDT TUE MAY 22 2012 NDC035-039-063-091-230330- /O.CON.KFGF.SV.W.0010.000000T0000Z-120523T0330Z/ GRAND FORKS ND-GRIGGS ND-NELSON ND-STEELE ND- 1007 PM CDT TUE MAY 22 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN NELSON AND SOUTHWESTERN GRAND FORKS COUNTIES IN NORTHEAST NORTH DAKOTA...AND NORTHWESTERN STEELE AND GRIGGS COUNTIES IN SOUTHEAST NORTH DAKOTA UNTIL 1030 PM CDT... AT 1002 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE STORM WAS LOCATED 5 MILES NORTHEAST OF JESSIE...OR 47 MILES NORTH OF VALLEY CITY...MOVING TO THE NORTHEAST AT 45 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... MCVILLE...KLOTEN AND ANETA AROUND 1015 PM CDT. LOGAN CENTER AROUND 1025 PM CDT. NORTHWOOD AROUND 1030 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4796 9802 4774 9753 4726 9825 4740 9850 TIME...MOT...LOC 0307Z 220DEG 44KT 4765 9813 $$ VG
650 WWUS53 KFGF 230320 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1020 PM CDT TUE MAY 22 2012 NDC035-039-063-091-230330- /O.CON.KFGF.SV.W.0010.000000T0000Z-120523T0330Z/ GRAND FORKS ND-GRIGGS ND-NELSON ND-STEELE ND- 1020 PM CDT TUE MAY 22 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN NELSON AND SOUTHWESTERN GRAND FORKS COUNTIES IN NORTHEAST NORTH DAKOTA...AND NORTHWESTERN STEELE AND NORTHEASTERN GRIGGS COUNTIES IN SOUTHEAST NORTH DAKOTA UNTIL 1030 PM CDT... AT 1016 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE STORM WAS LOCATED 3 MILES NORTHEAST OF KLOTEN...OR 46 MILES WEST OF GRAND FORKS...MOVING TO THE NORTHEAST AT 45 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... LOGAN CENTER AROUND 1025 PM CDT. NORTHWOOD AROUND 1030 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. && LAT...LON 4770 9824 4796 9802 4774 9753 4751 9787 TIME...MOT...LOC 0320Z 220DEG 44KT 4777 9797 $$ VG
682 WWUS53 KFGF 230330 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 1030 PM CDT TUE MAY 22 2012 NDC035-039-063-091-230340- /O.EXP.KFGF.SV.W.0010.000000T0000Z-120523T0330Z/ GRAND FORKS ND-GRIGGS ND-NELSON ND-STEELE ND- 1030 PM CDT TUE MAY 22 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NELSON AND SOUTHWESTERN GRAND FORKS COUNTIES IN NORTHEAST NORTH DAKOTA...AND NORTHWESTERN STEELE AND NORTHEASTERN GRIGGS COUNTIES IN SOUTHEAST NORTH DAKOTA HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4770 9824 4796 9802 4774 9753 4751 9787 TIME...MOT...LOC 0320Z 220DEG 44KT 4777 9796 $$ VG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 10:58 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Griggs, Steele | 32 min |
| May 22, 11:02 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 28 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.