Alert archive / Iowa / Tornado Warnings in 2008
Tornado Warning 43, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 11, 2008, 8:00 PM CDT for Buena Vista County, Ida County, Iowa. It was in force for 35 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 11, 2008, 8:00 PM CDT (01:00 UTC)
- Expired
- Jun 11, 2008, 8:35 PM CDT
- In force
- 35 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
Counties Buena Vista County, IA, Ida County, IA
The radar
The Des Moines radar (KDMX), 154 km from the middle of the area, began a volume at 01:00 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 |
|---|---|---|---|
| Jun 11, 8:25 PM CDT | HAIL 1 | 3 Sse Storm Lake, 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 11, 2:52 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.0 hours before the alert went out and 163 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
- 1641 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1105 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 8.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KFSD 120100
TORFSD
IAC021-093-120145-
/O.NEW.KFSD.TO.W.0043.080612T0100Z-080612T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
800 PM CDT WED JUN 11 2008
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN BUENA VISTA COUNTY IN NORTHWEST IOWA
EAST CENTRAL IDA COUNTY IN NORTHWEST IOWA
* UNTIL 845 PM CDT
* AT 800 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES
SOUTHEAST OF GALVA...OR 10 MILES NORTHEAST OF IDA GROVE...MOVING
NORTHEAST AT 28 MPH.
* THE TORNADO WILL BE NEAR...
LAKESIDE...STORM LAKE AROUND 830 PM CDT...
NEWELL AROUND 840 PM CDT...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEAST SOUTH DAKOTA.
LAT...LON 4263 9495 4255 9506 4255 9537 4253 9539
4249 9538 4248 9534 4247 9533 4237 9532
4236 9534 4249 9547 4274 9515
TIME...MOT...LOC 0100Z 221DEG 24KT 4247 9534
$$
CHAPMAN4 follow-up statements
000
WWUS53 KFSD 120112
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
812 PM CDT WED JUN 11 2008
IAC021-093-120145-
/O.CON.KFSD.TO.W.0043.000000T0000Z-080612T0145Z/
BUENA VISTA IA-IDA IA-
812 PM CDT WED JUN 11 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR EAST
CENTRAL IDA AND SOUTH CENTRAL BUENA VISTA COUNTIES...
AT 812 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 7 MILES SOUTHWEST OF
LAKESIDE...OR 8 MILES SOUTHWEST OF STORM LAKE...MOVING NORTHEAST AT
33 MPH.
THE TORNADO WILL BE NEAR...
LAKESIDE...STORM LAKE AROUND 825 PM CDT...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE
COVER NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEAST SOUTH DAKOTA.
LAT...LON 4263 9495 4255 9506 4255 9537 4253 9539
4249 9538 4248 9534 4247 9533 4237 9532
4236 9534 4249 9547 4274 9515
TIME...MOT...LOC 0112Z 217DEG 28KT 4255 9526
$$
CHAPMAN000 WWUS53 KFSD 120117 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 816 PM CDT WED JUN 11 2008 IAC093-120126- /O.CAN.KFSD.TO.W.0043.000000T0000Z-080612T0145Z/ IDA IA- 816 PM CDT WED JUN 11 2008 ...THE TORNADO WARNING FOR EAST CENTRAL IDA COUNTY IS CANCELLED... THE STORM HAS MOVED INTO IDA AND BUENA VISTA COUNTIES. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. LAT...LON 4255 9506 4257 9534 4274 9515 4263 9495 TIME...MOT...LOC 0116Z 217DEG 28KT 4257 9523 $$ IAC021-120145- /O.CON.KFSD.TO.W.0043.000000T0000Z-080612T0145Z/ BUENA VISTA IA- 816 PM CDT WED JUN 11 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR SOUTH CENTRAL BUENA VISTA COUNTY... AT 816 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO 5 MILES SOUTHWEST OF LAKESIDE...OR 6 MILES SOUTHWEST OF STORM LAKE...MOVING NORTHEAST AT 32 MPH. THE TORNADO WILL BE NEAR... LAKESIDE...STORM LAKE AROUND 825 PM CDT... A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. LAT...LON 4255 9506 4257 9534 4274 9515 4263 9495 TIME...MOT...LOC 0116Z 217DEG 28KT 4257 9523 $$ CHAPMAN
000 WWUS53 KFSD 120130 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 830 PM CDT WED JUN 11 2008 IAC021-120145- /O.CON.KFSD.TO.W.0043.000000T0000Z-080612T0145Z/ BUENA VISTA IA- 830 PM CDT WED JUN 11 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR SOUTH CENTRAL BUENA VISTA COUNTY... AT 830 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 3 MILES NORTHEAST OF LAKESIDE...OR NEAR STORM LAKE...MOVING NORTHEAST AT 38 MPH. THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. TAKE COVER NOW. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. LAT...LON 4255 9506 4257 9534 4274 9515 4263 9495 TIME...MOT...LOC 0130Z 221DEG 33KT 4268 9510 $$ CHAPMAN
000 WWUS53 KFSD 120135 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 835 PM CDT WED JUN 11 2008 IAC021-120145- /O.CAN.KFSD.TO.W.0043.000000T0000Z-080612T0145Z/ BUENA VISTA IA- 835 PM CDT WED JUN 11 2008 ...THE TORNADO WARNING FOR SOUTH CENTRAL BUENA VISTA COUNTY IS CANCELLED... THE STORM HAS WEAKENED AND IS NO LONGER SEVERE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING FOR NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. LAT...LON 4255 9506 4257 9534 4274 9515 4263 9495 TIME...MOT...LOC 0135Z 221DEG 33KT 4271 9506 $$ CHAPMAN
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 7:02 PM CDT | Tornado Warning | FSD | Dickinson | 28 min |
| Jun 11, 7:15 PM CDT | Tornado Warning | FSD | Buena Vista | 30 min |
| Jun 11, 7:20 PM CDT | Tornado Warning | FSD | Clay | 25 min |
| Jun 11, 8:49 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 26 min |
| Jun 11, 11:08 PM CDT | River Flood Warning | FSD | Cherokee | 5 days |
| Jun 12, 9:39 AM CDT | River Flood Warning | FSD | Clay, O'Brien | 60 hr |
| Jun 12, 9:39 AM CDT | River Flood Warning | FSD | Dickinson | 4 days |
Nearby
Tornado Warnings in Iowa, 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.