Alert archive / North Dakota / Tornado Warnings in 2006
Tornado Warning 4, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Apr 28, 2006, 4:17 PM CDT for Ransom County, Sargent County, North Dakota. It was in force for 43 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
- Apr 28, 2006, 4:17 PM CDT (21:17 UTC)
- Expired
- Apr 28, 2006, 5:00 PM CDT
- In force
- 43 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Ransom County, ND, Sargent County, ND
The radar
The Aberdeen radar (KABR), 102 km from the middle of the area, began a volume at 21:21 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 |
|---|---|---|---|
| Apr 28, 4:23 PM CDT | HAIL 0.75 | 5 S Englevale, ND | |
| Apr 28, 4:35 PM CDT | TORNADO | 2 N Stirum, ND | BRIEF AND INTERMITTENT TOUCHDOWNS WERE OBSERVED ALONG A 2.5 MILE TRACK THROUGH OPEN FIELDS TO NEAR 5W GWINNER BY 445 PM. THE WALL CLOUD STRUCTURE CONTINUED EAST AND PASSED OVER GWINNER AROUND 520 PM. DUST WAS OBSERVED TO SWIRL UP INTO THE WALL CLOUD FROM THE T |
| Apr 28, 4:45 PM CDT | HAIL 0.88 | 2 Wnw Stirum, 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, 9.3 hours before the alert went out and 160 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
- 3 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 961 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 57 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 282117 TORFGF NDC073-081-282200- /O.NEW.KFGF.TO.W.0004.060428T2117Z-060428T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE 417 PM CDT FRI APR 28 2006 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN RANSOM COUNTY IN SOUTHEAST NORTH DAKOTA NORTHWESTERN SARGENT COUNTY IN SOUTHEAST NORTH DAKOTA * UNTIL 500 PM CDT * AT 413 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 6 MILES NORTHEAST OF CRETE...OR 34 MILES NORTH OF BRITTON...MOVING TO THE EAST AT 10 MPH. * THE TORNADO WILL BE NEAR... STIRUM BY 435 PM CDT IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4636 9802 4618 9799 4616 9766 4639 9769 $$ DK/CJS
3 follow-up statements
000 WWUS53 KFGF 282127 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE 425 PM CDT FRI APR 28 2006 NDC073-081-282200- /O.CON.KFGF.TO.W.0004.000000T0000Z-060428T2200Z/ RANSOM ND-SARGENT ND- 425 PM CDT FRI APR 28 2006 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR NORTHWESTERN SARGENT AND SOUTHWESTERN RANSOM COUNTIES... AT 425 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION. THE TORNADO WAS LOCATED 4 MILES NORTHWEST OF STIRUM...OR 33 MILES NORTH OF BRITTON...MOVING TO THE EAST AT 10 MPH. THE TORNADO WILL BE NEAR... STIRUM BY 435 PM CDT THIS STORM IS ALSO CAPABLE OF PRODUCING LARGE DAMAGING HAIL. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4636 9802 4618 9799 4616 9766 4639 9769 $$ DK/CJS
000 WWUS53 KFGF 282142 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE 441 PM CDT FRI APR 28 2006 NDC073-081-282200- /O.CON.KFGF.TO.W.0004.000000T0000Z-060428T2200Z/ RANSOM ND-SARGENT ND- 441 PM CDT FRI APR 28 2006 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR NORTHWESTERN SARGENT AND SOUTHWESTERN RANSOM COUNTIES... AT 435 PM CDT...WEATHER SPOTTERS REPORTED A FUNNEL CLOUD ALONG THE RANSOM AND SARGENT COUNTY LINE...JUST TO THE NORTH OF STIRUM. THIS STORM IS MOVING TO THE EAST AT 10 MPH AND MAY PRODUCE A TORNADO AT ANY TIME. LARGE DAMAGING HAIL WILL ALSO ACCOMPANY THIS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4636 9802 4618 9799 4616 9766 4639 9769 $$ DK/CJS
000 WWUS53 KFGF 282204 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE 503 PM CDT FRI APR 28 2006 NDC073-081-282212- /O.EXP.KFGF.TO.W.0004.000000T0000Z-060428T2200Z/ RANSOM ND-SARGENT ND- 503 PM CDT FRI APR 28 2006 ...THE TORNADO WARNING FOR NORTHWESTERN SARGENT AND SOUTHWESTERN RANSOM COUNTIES HAS EXPIRED... DOPPLER RADAR INDICATED THE STORM WAS NO LONGER PRODUCING A TORNADO...SO THE TORNADO WARNING FOR NORTHWESTERN SARGENT AND SOUTHWESTERN RANSOM COUNTIES HAS BEEN ALLOWED TO EXPIRE. RADAR CONTINUES TO INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING LARGE HAIL TO THE SIZE OF QUARTERS IN SARGENT COUNTY. A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR SARGENT COUNTY UNTIL 6 PM CDT. LAT...LON 4636 9802 4618 9799 4616 9766 4639 9769 $$ DK/CJS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 3:00 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 32 min |
| Apr 28, 3:29 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 61 min |
| Apr 28, 4:01 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 59 min |
| Apr 28, 4:39 PM CDT | Flash Flood Warning | FGF | Griggs | 15 hr |
| Apr 28, 5:01 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 59 min |
| Apr 28, 5:49 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 56 min |
| Apr 28, 6:00 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 45 min |
| Apr 28, 6:40 PM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 65 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.