Alert archive / Iowa / Tornado Warnings in 2005
Tornado Warning 5, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 4, 2005, 9:49 PM CDT for Plymouth County, Sioux County, Iowa; Union County, South Dakota. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 4, 2005, 9:49 PM CDT (02:49 UTC)
- Expired
- Jun 4, 2005, 10:18 PM CDT
- In force
- 29 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
Counties Plymouth County, IA, Sioux County, IA, Union County, SD
The radar
The Sioux Falls radar (KFSD), 80 km from the middle of the area, began a volume at 02:52 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 4, 7:00 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 2.8 hours before the alert went out and 174 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
- 1467 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1297 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 6.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFSD 050250 TORFSD IAC149-167-SDC127-050315- /O.NEW.KFSD.TO.W.0005.050605T0249Z-050605T0315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 949 PM CDT SAT JUN 4 2005 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... NORTHWEST PLYMOUTH COUNTY IN NORTHWEST IOWA SOUTHWEST SIOUX COUNTY IN NORTHWEST IOWA NORTHERN UNION COUNTY IN SOUTHEAST SOUTH DAKOTA * UNTIL 1015 PM CDT * AT 949 PM CDT...THE PUBLIC REPORTED A TORNADO 5 MILES WEST OF AKRON...OR ABOUT 13 MILES SOUTHWEST OF HAWARDEN...MOVING NORTHEAST AT 25 MPH. * THE TORNADO WILL BE NEAR... AKRON AROUND 955 PM CDT THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED UNION COUNTY SOUTH DAKOTA. TAKE COVER NOW. THIS TORNADO IS WRAPPED IN RAIN. IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SUNDAY MORNING FOR NORTHWEST IOWA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. LAT...LON 4289 9681 4274 9670 4287 9647 4298 9649 $$ MJF
3 follow-up statements
000 WWUS53 KFSD 050301 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 959 PM CDT SAT JUN 4 2005 IAC149-167-SDC127-050315- /O.CON.KFSD.TO.W.0005.000000T0000Z-050605T0315Z/ SIOUX IA-PLYMOUTH IA-UNION SD- 959 PM CDT SAT JUN 4 2005 ...A TORNADO WARNING CONTINUES UNTIL 1015 PM CDT FOR NORTHERN UNION...NORTHWEST PLYMOUTH AND SOUTHWEST SIOUX COUNTIES... AT 945 PM CDT...THE PUBLIC REPORTED A TORNADO 15 MILES SOUTH OF ALCESTOR. THIS TORNADO WAS BRIEFLY TOUCHING THE GROUND...AND THEN LIFTING UP IN THE CLOUD...REPEATING THIS SCENARIO SEVERAL TIMES. IN ADDITION...THE ROTATION ON DOPPLER RADAR HAS BECOME VERY TIGHT OVER THE PAST SEVERAL MINUTES. THE TORNADO IS MOVING NORTHEAST AT 25 MPH. * THE TORNADO WILL BE NEAR... RURAL SIOUX COUNTY AT 1010 PM CDT RURAL PLYMOUTH COUNTY AT 1010 PM CDT TAKE COVER NOW. THIS TORNADO MAY BE WRAPPED IN RAIN AT TIMES ALSO. IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SUNDAY MORNING FOR NORTHWEST IOWA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. LAT...LON 4289 9681 4274 9670 4287 9647 4298 9649 $$ MJF
000 WWUS53 KFSD 050311 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1008 PM CDT SAT JUN 4 2005 IAC149-167-SDC127-050315- /O.CON.KFSD.TO.W.0005.000000T0000Z-050605T0315Z/ SIOUX IA-PLYMOUTH IA-UNION SD- 1008 PM CDT SAT JUN 4 2005 ...A TORNADO WARNING CONTINUES UNTIL 1015 PM CDT FOR NORTHERN UNION...NORTHWEST PLYMOUTH AND SOUTHWEST SIOUX COUNTIES... AT 1008 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DEVELOPING TORNADO WAS LOCATED NEAR HAWARDEN...MOVING NORTHEAST AT 25 MPH. NUMEROUS REPORTS OF GOLFBALL SIZE HAIL...SOME BREAKING WINDOWS HAS ALSO BEEN REPORTED WITH THIS CELL. AT 10 PM...GOLFBALL SIZE HAIL BREAKING WINDOWS WAS REPORTED 7 MILES SOUTH TO SOUTHEAST OF ALCESTOR. AT 1004 PM...LAW ENFORCEMENT REPORTED GOLFBALL HAIL 4 MILES SOUTH OF HAWARDEN. AT 1005 PM...A SPOTTER REPORTED QUARTER SIZE HAIL 4 MILES NORTH OF AKRON. TAKE COVER NOW. THIS TORNADO MAY BE WRAPPED IN RAIN. IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SUNDAY MORNING FOR NORTHWEST IOWA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. LAT...LON 4289 9681 4274 9670 4287 9647 4298 9649 $$ MJF
000 WWUS53 KFSD 050318 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1017 PM CDT SAT JUN 4 2005 IAC149-167-SDC127-050327- /O.EXP.KFSD.TO.W.0005.000000T0000Z-050605T0315Z/ SIOUX IA-PLYMOUTH IA-UNION SD- 1017 PM CDT SAT JUN 4 2005 ...THE TORNADO WARNING FOR NORTHERN UNION...NORTHWEST PLYMOUTH AND SOUTHWEST SIOUX COUNTIES HAS EXPIRED... HOWEVER A SEVERE THUNDERSTORM WARNING WAS REISSUED FOR SIOUX COUNTY IOWA. A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SUNDAY MORNING FOR NORTHWEST IOWA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. LAT...LON 4289 9681 4274 9670 4287 9647 4298 9649 $$ MJF
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 10:14 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 46 min |
| Jun 4, 10:24 PM CDT | Tornado Warning | FSD | Sioux | 51 min |
| Jun 4, 11:05 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 20 min |
| Jun 4, 11:55 PM CDT | Flash Flood Warning | FSD | Lyon, Sioux | 3 hr |
| Jun 5, 12:02 AM CDT | Severe Thunderstorm Warning | FSD | Sioux | 29 min |
| Jun 5, 5:15 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Sioux | 39 min |
| Jun 4, 7:48 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 28 min |
| Jun 4, 8:29 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 46 min |
| Jun 4, 9:15 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 34 min |
| Jun 4, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Union | 50 min |
| Jun 4, 10:08 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 52 min |
| Jun 4, 10:16 PM CDT | Flash Flood Warning | FSD | Yankton | 3 hr |
| Jun 4, 10:24 PM CDT | Flash Flood Warning | FSD | Clay | 3 hr |
| Jun 4, 10:55 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 48 min |
| Jun 4, 11:01 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Union | 44 min |
| Jun 4, 11:38 PM CDT | Flash Flood Warning | FSD | Bon Homme | 3 hr |
Nearby
Tornado Warnings in Iowa, 2005Tornado Warnings in South Dakota, 2005Every tornado warning in 2005Tornadoes in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.