Alert archive / North Dakota / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 13, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at May 9, 2006, 2:15 PM CDT for Cass County, North Dakota. It was in force for 30 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 9, 2006, 2:15 PM CDT (19:15 UTC)
- Expired
- May 9, 2006, 2:45 PM CDT
- In force
- 30 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Cass County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 52 km from the middle of the area, began a volume at 19:15 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 9, 2:20 PM CDT | HAIL 0.75 | 4 Ene Gardner, ND |
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 12:00Z, 7.3 hours before the alert went out and 267 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
- 2398 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFGF 091915 SVRFGF NDC017-091945- /O.NEW.KFGF.SV.W.0013.060509T1915Z-060509T1945Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 215 PM CDT TUE MAY 9 2006 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA * UNTIL 245 PM CDT * AT 210 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. THE STORM WAS LOCATED 3 MILES NORTHEAST OF GARDNER...OR 21 MILES NORTH OF FARGO...MOVING TO THE SOUTHEAST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 6 MILES NORTHEAST OF ARGUSVILLE AT 245 PM CDT REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4723 9688 4723 9731 4692 9729 4692 9684 $$ GODON
2 follow-up statements
000 WWUS53 KFGF 091933 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 231 PM CDT TUE MAY 9 2006 NDC017-091945- /O.CON.KFGF.SV.W.0013.000000T0000Z-060509T1945Z/ CASS ND- 231 PM CDT TUE MAY 9 2006 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR NORTHEASTERN CASS COUNTY... AT 229 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. THE STORM WAS LOCATED 3 MILES EAST OF GARDNER...OR 20 MILES NORTH OF FARGO...MOVING TO THE SOUTHEAST AT 5 MPH. ANOTHER SEVERE THUNDERSTORM WAS LOCATED 2 MILES NORTHEAST OF CASSELTON...ALSO MOVING SOUTHEAST AT 5 MILES AN HOUR. THE SEVERE THUNDERSTORM WILL BE NEAR... 7 MILES NORTH OF ARGUSVILLE BY 245 PM CDT MAPLETON AT 240 PM CDT REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4723 9688 4723 9731 4692 9729 4692 9684 $$ GODON
000 WWUS53 KFGF 091945 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 245 PM CDT TUE MAY 9 2006 NDC017-091955- /O.CAN.KFGF.SV.W.0013.000000T0000Z-060509T1945Z/ CASS ND- 245 PM CDT TUE MAY 9 2006 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CASS COUNTY IS CANCELLED... AT 242 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM LOCATED 4 MILES EAST OF GARDNER...OR 19 MILES NORTH OF FARGO...MOVING TO THE SOUTHEAST AT 5 MPH. THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER CONSIDERED SEVERE. SO THE WARNING HAS BEEN CANCELLED. LAT...LON 4723 9688 4723 9731 4692 9729 4692 9684 $$ GODON
Nearby
Severe Thunderstorm Warnings in North Dakota, 2006Every severe thunderstorm warning in 2006
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.