Alert archive / North Dakota / Tornado Warnings in 2006
Tornado Warning 38, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 10, 2006, 4:10 PM CDT for Cass County, North Dakota. It was in force for 65 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
- Aug 10, 2006, 4:10 PM CDT (21:10 UTC)
- Expired
- Aug 10, 2006, 5:15 PM CDT
- In force
- 65 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), 67 km from the middle of the area, began a volume at 21:13 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 |
|---|---|---|---|
| Aug 10, 4:15 PM CDT | HAIL 1.5 | 2 S Absaraka, ND | HAIL COVERED THE GROUND. |
| Aug 10, 4:15 PM CDT | HAIL 2 | Absaraka, ND | |
| Aug 10, 4:18 PM CDT | TORNADO 0 | 2 Nnw Wheatland, ND | A PERSISTENT WALL CLOUD WITH PENDANT FUNNEL WAS OBSERVED AS IT TRACKED FROM ABOUT 3SW OF ABSARAKA TO ABOUT 3E OF CHAFFEE. A BRIEF TOUCHDOWN WAS OBSERVED IN AN OPEN FIELD AND IT PRODUCED A BRIEF DUST/DEBRIS CLOUD. |
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, 9.2 hours before the alert went out and 240 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
- 95 J/kg
- Mixed-layer CIN
- -407 J/kg
- Mixed-layer LCL
- 1910 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 102110 TORFGF NDC017-102215- /O.NEW.KFGF.TO.W.0038.060810T2110Z-060810T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 410 PM CDT THU AUG 10 2006 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... CENTRAL CASS COUNTY IN SOUTHEAST NORTH DAKOTA * UNTIL 515 PM CDT * AT 405 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD NEAR ABSARAKA...OR 28 MILES WEST OF FARGO...MOVING TO THE SOUTH AT 10 MPH. * THE TORNADO WILL BE NEAR... WHEATLAND AT 430 PM CDT EMBDEN AT 515 PM CDT IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4704 9726 4704 9752 4676 9752 4676 9722 $$ TG
3 follow-up statements
000 WWUS53 KFGF 102121 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 419 PM CDT THU AUG 10 2006 NDC017-102215- /O.CON.KFGF.TO.W.0038.000000T0000Z-060810T2215Z/ CASS ND- 419 PM CDT THU AUG 10 2006 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR SOUTHERN CASS COUNTY IN SOUTHEAST NORTH DAKOTA... AT 418 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. THE TORNADO WAS LOCATED OVER WHEATLAND...OR 25 MILES WEST OF FARGO...MOVING TO THE SOUTH AT 15 MPH. DOPPLER RADAR INDICATES STRONG ROTATION WITH THIS STORM. HAIL UP TO THE SIZE QUARTERS WILL ALSO BE POSSIBLE. THE TORNADO WILL BE NEAR... CASSELTON BY 425 PM CDT 6 MILES EAST OF EMBDEN BY 435 PM CDT CHAFFEE BY 445 PM CDT 9 MILES WEST OF DAVENPORT BY 510 PM CDT IN ADDITION...THERE IS A SEVERE THUNDERSTORM 5 MILES NORTHEAST KINDRED MOVING TO THE SOUTHEAST AT 10 MPH. THIS STORM IS CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF A QUARTER. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4703 9686 4704 9752 4665 9746 4664 9683 $$ TG
000 WWUS53 KFGF 102145 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 444 PM CDT THU AUG 10 2006 NDC017-102215- /O.CON.KFGF.TO.W.0038.000000T0000Z-060810T2215Z/ CASS ND- 444 PM CDT THU AUG 10 2006 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR SOUTH CENTRAL CASS COUNTY IN SOUTHEAST NORTH DAKOTA... AT 439 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD. THE TORNADO WAS LOCATED 3 MILES EAST OF CHAFFEE...OR 23 MILES WEST OF FARGO...MOVING TO THE SOUTH AT 20 MPH. THIS STORM IS ALSO CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE TORNADO WILL BE NEAR... RURAL SOUTHERN CASS COUNTY AT 500 PM CDT IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4686 9716 4684 9744 4665 9746 4664 9712 $$ TG
000 WWUS53 KFGF 102206 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 505 PM CDT THU AUG 10 2006 NDC017-102215- /O.EXP.KFGF.TO.W.0038.000000T0000Z-060810T2215Z/ CASS ND- 505 PM CDT THU AUG 10 2006 ...THE TORNADO WARNING FOR SOUTH CENTRAL CASS COUNTY IN SOUTHEAST NORTH DAKOTA EXPIRES AT 515 PM CDT... AT 501 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM LOCATED OVER LEONARD...OR 26 MILES SOUTHWEST OF FARGO... MOVING TO THE SOUTH AT 20 MPH. THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER CONSIDERED SEVERE. SO THE WARNING WILL BE ALLOWED TO EXPIRE AT 515 PM CDT. LAT...LON 4686 9716 4684 9744 4665 9746 4664 9712 $$ TG
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 7:31 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 59 min |
| Aug 9, 8:32 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 43 min |
| Aug 9, 9:13 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom | 62 min |
| Aug 9, 10:14 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 61 min |
| Aug 10, 1:58 PM CDT | Flash Flood Warning | FGF | Grand Forks | 3 hr |
| Aug 10, 2:36 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 54 min |
| Aug 10, 3:17 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 58 min |
| Aug 10, 4:24 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 66 min |
| Aug 10, 5:20 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 55 min |
| Aug 10, 5:40 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 65 min |
| Aug 10, 6:09 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 28 min |
Nearby
Tornado Warnings in North Dakota, 2006Every tornado warning in 2006Tornadoes 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.