Alert archive / Minnesota / Tornado Warnings in 2008
Tornado Warning 54, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Aug 13, 2008, 3:46 PM CDT for Lyon County, Minnesota. It was in force for 29 min. 4 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 13, 2008, 3:46 PM CDT (20:46 UTC)
- Expired
- Aug 13, 2008, 4:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
County Lyon County, MN
The radar
The Sioux Falls radar (KFSD), 115 km from the middle of the area, began a volume at 20:47 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 13, 3:55 PM CDT | HAIL 0.75 | 2 Sw Marshall, MN | |
| Aug 13, 3:55 PM CDT | HAIL 0.88 | 1 W Marshall, MN | |
| Aug 13, 4:03 PM CDT | HAIL 1.25 | 3 Nne Russell, MN | HALF DOLLAR SIZED HIAL REPORTED AT CAMDEN STATE PARK. |
| Aug 13, 4:10 PM CDT | HAIL 1 | 1 N Russell, MN | IN ADDITION TO QUARTER SIZED HAIL, 40 TO 50 MPH WIND GUSTS ACCOMPANIED THE STORM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.8 hours before the alert went out and 181 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
- 178 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1447 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFSD 132046 TORFSD MNC083-132115- /O.NEW.KFSD.TO.W.0054.080813T2046Z-080813T2115Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 346 PM CDT WED AUG 13 2008 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... LYON COUNTY IN SOUTHWEST MINNESOTA * UNTIL 415 PM CDT * AT 345 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES NORTH OF RUSSELL...OR 7 MILES SOUTHWEST OF MARSHALL...MOVING SOUTH AT 27 MPH. * THE TORNADO WILL BE NEAR... LYND AROUND 350 PM CDT... RUSSELL AROUND 355 PM CDT... BALATON...TRACY AROUND 410 PM CDT... LARGE HAIL CAN ALSO BE EXPECTED ALONG THE NORTH EAST PORTIONS OF THIS STORM. IN ADDITION TO THE THREAT OF A TORNADO...DAMAGING HAIL AND STRONG WINDS CAN BE EXPECTED. GO TO A SAFE PLACE NOW. LAT...LON 4421 9559 4420 9595 4456 9605 4462 9569 TIME...MOT...LOC 2045Z 353DEG 24KT 4439 9591 $$ BT
2 follow-up statements
000 WWUS53 KFSD 132100 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 400 PM CDT WED AUG 13 2008 MNC083-132115- /O.CON.KFSD.TO.W.0054.000000T0000Z-080813T2115Z/ LYON MN- 357 PM CDT WED AUG 13 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR LYON COUNTY... AT 357 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR LYND...OR 7 MILES SOUTHWEST OF MARSHALL...MOVING SOUTH AT 20 MPH. THE TORNADO WILL BE NEAR... RUSSELL AROUND 405 PM CDT... BALATON...GARVIN AROUND 415 PM CDT... AT 355 PM...A TRAINED WEATHER SPOTTER REPORTED NICKEL SIZED HAIL ONE MILE WEST OF MARSHALL. AT 355 PM...A TRAINED WEATHER SPOTTER REPORTED PENNY SIZED HAIL 2 MILES SOUTHWEST OF MARSHALL. AT 357 PM...A ROTATING WALL CLOUD WAS REPORTED NEAR COUNTY ROAD 7 AND COUNTY ROAD 2. THIS IS A DANGEROUS STORM. LARGE HAIL CAN BE EXPECTED BETWEEN LYND AND MARSHALL WITH THIS STORM. LAT...LON 4421 9559 4420 9595 4456 9605 4462 9569 TIME...MOT...LOC 2057Z 344DEG 17KT 4436 9588 $$ BT
000 WWUS53 KFSD 132106 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 406 PM CDT WED AUG 13 2008 MNC083-132115- /O.CON.KFSD.TO.W.0054.000000T0000Z-080813T2115Z/ LYON MN- 405 PM CDT WED AUG 13 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR LYON COUNTY... AT 405 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 4 MILES SOUTH OF LYND...OR 9 MILES SOUTHWEST OF MARSHALL...MOVING SOUTH AT 20 MPH. THE TORNADO WILL BE NEAR... BALATON...GARVIN AROUND 415 PM CDT... AT 403 PM...A TRAINED WEATHER SPOTTER REPORTED HALF DOLLAR SIZED HAIL AT CAMDEN STATE PARK. THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. LARGE HAIL AND DAMAGING WINDS CAN BE EXPECTED MAINLY TO THE NORTH AND EAST OF THE CIRCULATION. TAKE COVER NOW. LAT...LON 4421 9559 4420 9595 4456 9605 4462 9569 TIME...MOT...LOC 2105Z 344DEG 17KT 4432 9587 $$ BT
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 3:00 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 45 min |
| Aug 13, 3:49 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon, Murray, Pipestone | 26 min |
| Aug 13, 3:55 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon | 35 min |
| Aug 13, 4:14 PM CDT | Tornado Warning | FSD | Lyon, Murray | 46 min |
| Aug 13, 4:18 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood | 42 min |
| Aug 13, 4:23 PM CDT | Tornado Warning | FSD | Murray, Pipestone | 37 min |
| Aug 13, 4:56 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson, Murray, Nobles, Pipestone, Rock | 49 min |
| Aug 13, 5:06 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 39 min |
| Aug 13, 5:33 PM CDT | Severe Thunderstorm Warning | FSD | Nobles, Rock | 42 min |
| Aug 13, 5:46 PM CDT | Severe Thunderstorm Warning | FSD | Jackson | 44 min |
| Aug 13, 6:05 PM CDT | Tornado Warning | FSD | Jackson | 25 min |
| Aug 13, 6:12 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 48 min |
Nearby
Tornado Warnings in Minnesota, 2008Every tornado warning in 2008Tornadoes in 2008
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.