Alert archive / Iowa / Tornado Warnings in 2014
Tornado Warning 16, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 14, 2014, 5:32 PM CDT for Lyon County, Sioux County, Iowa. It was in force for 28 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 14, 2014, 5:32 PM CDT (22:32 UTC)
- Expired
- Jun 14, 2014, 6:00 PM CDT
- In force
- 28 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Lyon County, IA, Sioux County, IA
The radar
The Sioux Falls radar (KFSD), 52 km from the middle of the area, began a volume at 22:34 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 14, 5:39 PM CDT | FUNNEL CLOUD | 3 W Doon, 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 14, 5:10 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.5 hours before the alert went out and 225 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1288 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
324
WFUS53 KFSD 142232
TORFSD
IAC119-167-142300-
/O.NEW.KFSD.TO.W.0016.140614T2232Z-140614T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
532 PM CDT SAT JUN 14 2014
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN LYON COUNTY IN NORTHWEST IOWA...
NORTH CENTRAL SIOUX COUNTY IN NORTHWEST IOWA...
* UNTIL 600 PM CDT
* AT 529 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR ROCK VALLEY...AND MOVING NORTHEAST AT 30
MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
DOON AND ALVORD AROUND 540 PM CDT.
ROCK RAPIDS AROUND 555 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4346 9612 4328 9597 4320 9632 4328 9640
TIME...MOT...LOC 2232Z 233DEG 25KT 4324 9631
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
WEISSER3 follow-up statements
624
WWUS53 KFSD 142241
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
541 PM CDT SAT JUN 14 2014
IAC119-167-142300-
/O.CON.KFSD.TO.W.0016.000000T0000Z-140614T2300Z/
SIOUX IA-LYON IA-
541 PM CDT SAT JUN 14 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN LYON AND NORTH
CENTRAL SIOUX COUNTIES UNTIL 600 PM CDT...
AT 539 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR DOON...AND MOVING NORTHEAST AT 30 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
AT 539 PM CDT...A SPOTTER INDICATED STRONG ROTATION WITH A BRIEF
FUNNEL CLOUD 3 MILES WEST OF DOON.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
ROCK RAPIDS AROUND 600 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4346 9612 4328 9597 4320 9632 4328 9640
TIME...MOT...LOC 2240Z 232DEG 26KT 4328 9625
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
WEISSER530
WWUS53 KFSD 142250
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
550 PM CDT SAT JUN 14 2014
IAC119-167-142300-
/O.CON.KFSD.TO.W.0016.000000T0000Z-140614T2300Z/
SIOUX IA-LYON IA-
550 PM CDT SAT JUN 14 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN LYON AND NORTH
CENTRAL SIOUX COUNTIES UNTIL 600 PM CDT...
AT 546 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR DOON...AND MOVING NORTHEAST AT 30 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
AT 545 PM CDT...A FUNNEL CLOUD WAS REPORTED 2 MILES NORTHEAST OF
DOON.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
ROCK RAPIDS AROUND 600 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4346 9612 4328 9597 4320 9632 4328 9640
TIME...MOT...LOC 2250Z 230DEG 24KT 4333 9620
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$119 WWUS53 KFSD 142257 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 557 PM CDT SAT JUN 14 2014 IAC119-167-142307- /O.EXP.KFSD.TO.W.0016.000000T0000Z-140614T2300Z/ SIOUX IA-LYON IA- 557 PM CDT SAT JUN 14 2014 ...THE TORNADO WARNING FOR EASTERN LYON AND NORTH CENTRAL SIOUX COUNTIES WILL EXPIRE AT 600 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4346 9612 4328 9597 4320 9632 4328 9640 TIME...MOT...LOC 2257Z 230DEG 24KT 4336 9615 $$ WEISSER
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 9:56 AM CDT | River Flood Warning | FSD | Sioux | 11 days |
| Jun 14, 9:56 AM CDT | River Flood Warning | FSD | Plymouth | 12 days |
| Jun 14, 9:56 AM CDT | River Flood Warning | FSD | Lyon | 7 days |
| Jun 14, 2:51 PM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 13 hr |
Nearby
Tornado Warnings in Iowa, 2014Every tornado warning in 2014Tornadoes in 2014
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.