Alert archive / Iowa / Tornado Warnings in 2005
Tornado Warning 16, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 29, 2005, 7:45 PM CDT for Clay County, Iowa. It was in force for 45 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
- Jun 29, 2005, 7:45 PM CDT (00:45 UTC)
- Expired
- Jun 29, 2005, 8:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
County Clay County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 29, 8:02 PM CDT | TSTM WND GST 61 | Spencer, IA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 29, 3:50 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 0.8 hours before the alert went out and 216 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
- 1390 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 2195 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFSD 300045 TORFSD IAC041-300130- /O.NEW.KFSD.TO.W.0016.050630T0045Z-050630T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 745 PM CDT WED JUN 29 2005 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... CLAY COUNTY IN NORTHWEST IOWA * UNTIL 830 PM CDT * AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES SOUTHWEST OF ROYAL...OR ABOUT 16 MILES SOUTHWEST OF SPENCER... MOVING EAST AT 55 MPH. * THE TORNADO WILL BE NEAR... ROYAL...EVERLY AROUND 750 PM CDT GREENVILLE...SPENCER AROUND 755 PM CDT WEBB...FOSTORIA AROUND 800 PM CDT IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IMMEDIATELY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA. LAT...LON 4295 9541 4292 9492 4324 9493 4325 9534 $$ 08
3 follow-up statements
000 WWUS53 KFSD 300058 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 758 PM CDT WED JUN 29 2005 IAC041-300130- /O.CON.KFSD.TO.W.0016.000000T0000Z-050630T0130Z/ CLAY IA- 758 PM CDT WED JUN 29 2005 ...A TORNADO WARNING CONTINUES UNTIL 830 PM CDT FOR CLAY COUNTY... AT 758 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 4 MILES SOUTHEAST OF EVERLY...OR ABOUT 6 MILES WEST OF SPENCER...MOVING NORTHEAST AT 40 MPH. * THE TORNADO WILL BE NEAR... FOSTORIA...DICKENS AROUND 805 PM CDT A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA. LAT...LON 4295 9541 4292 9492 4324 9493 4325 9534 $$ 08
000 WWUS53 KFSD 300104 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 804 PM CDT WED JUN 29 2005 IAC041-300130- /O.CON.KFSD.TO.W.0016.000000T0000Z-050630T0130Z/ CLAY IA- 804 PM CDT WED JUN 29 2005 ...A TORNADO WARNING CONTINUES UNTIL 830 PM CDT FOR CLAY COUNTY... AT 804 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR SPENCER...MOVING NORTHEAST AT 45 MPH. * THE TORNADO WILL BE NEAR... FOSTORIA...DICKENS AROUND 810 PM CDT AT 802 PM CDT...A 61 MPH WIND GUST WAS MEASURED IN SPENCER. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA. LAT...LON 4295 9541 4292 9492 4324 9493 4325 9534 $$ 08
000 WWUS53 KFSD 300125 RRA SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 825 PM CDT WED JUN 29 2005 IAC041-300135- /O.EXP.KFSD.TO.W.0016.000000T0000Z-050630T0130Z/ CLAY IA- 825 PM CDT WED JUN 29 2005 ...THE TORNADO WARNING FOR CLAY COUNTY EXPIRES AT 830 PM CDT... THE WARNING HAS EXPIRED. THE STORM HAS EXITED THE COUNTY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA. LAT...LON 4295 9541 4292 9492 4324 9493 4325 9534 $$ 08
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:37 PM CDT | Tornado Warning | FSD | Dickinson | 23 min |
| Jun 29, 8:04 PM CDT | Tornado Warning | FSD | Dickinson | 26 min |
Nearby
Tornado Warnings in Iowa, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.