Alert archive / Iowa / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 84, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 22, 2016, 1:41 AM CDT for Buena Vista County, Clay County, Iowa. It was in force for 34 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 22, 2016, 1:41 AM CDT (06:41 UTC)
- Expired
- Jun 22, 2016, 2:15 AM CDT
- In force
- 34 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Buena Vista County, IA, Clay County, IA
The radar
The Sioux Falls radar (KFSD), 142 km from the middle of the area, began a volume at 06:44 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 22, 2:00 AM CDT | TSTM WND DMG | Webb, IA | LARGE TREE LIMB DOWN. REPORT RECEIVED VIA SOCIAL MEDIA. |
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 21, 10:21 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 6.7 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
- 3071 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1409 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 415 m²/s²
- Significant tornado parameter
- 3.1
- Supercell composite
- 49.4
The text
As transmitted.
378 WUUS53 KFSD 220641 SVRFSD IAC021-041-220715- /O.NEW.KFSD.SV.W.0084.160622T0641Z-160622T0715Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 141 AM CDT WED JUN 22 2016 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL CLAY COUNTY IN NORTHWESTERN IOWA... NORTHEASTERN BUENA VISTA COUNTY IN NORTHWESTERN IOWA... * UNTIL 215 AM CDT * AT 141 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SPENCER IN CLAY COUNTY...MOVING SOUTHEAST AT 30 MPH. HAZARD...60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. * THIS SEVERE THUNDERSTORM WILL BE NEAR... WEBB AROUND 205 AM CDT. OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE DICKENS... ROSSIE AND GILLETT GROVE. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4302 9537 4321 9513 4312 9491 4282 9491 TIME...MOT...LOC 0641Z 305DEG 25KT 4309 9512 HAIL...<.75IN WIND...60MPH $$ BT
2 follow-up statements
681
WWUS53 KFSD 220656
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
156 AM CDT WED JUN 22 2016
IAC021-041-220715-
/O.CON.KFSD.SV.W.0084.000000T0000Z-160622T0715Z/
CLAY IA-BUENA VISTA IA-
156 AM CDT WED JUN 22 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT
FOR CENTRAL CLAY AND NORTHEASTERN BUENA VISTA COUNTIES...
AT 156 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WEBB...OR 11
MILES SOUTHEAST OF SPENCER IN CLAY COUNTY...MOVING SOUTHEAST AT 30
MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
THIS SEVERE STORM WILL BE NEAR...
WEBB AROUND 200 AM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
DICKENS... ROSSIE AND GILLETT GROVE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4302 9537 4321 9513 4312 9491 4282 9491
TIME...MOT...LOC 0656Z 305DEG 25KT 4303 9500
HAIL...1.00IN
WIND...60MPH
$$
BT719
WWUS53 KFSD 220708
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
208 AM CDT WED JUN 22 2016
IAC021-041-220718-
/O.EXP.KFSD.SV.W.0084.000000T0000Z-160622T0715Z/
CLAY IA-BUENA VISTA IA-
208 AM CDT WED JUN 22 2016
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CLAY AND NORTHEASTERN
BUENA VISTA COUNTIES WILL EXPIRE AT 215 AM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT FOR
NORTHWESTERN IOWA.
LAT...LON 4302 9537 4321 9513 4312 9491 4282 9491
TIME...MOT...LOC 0706Z 305DEG 25KT 4303 9500
$$
BTThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 5:27 PM CDT | River Flood Warning | FSD | Clay, Dickinson | 65 hr |
Nearby
Severe Thunderstorm Warnings in Iowa, 2016Every severe thunderstorm warning in 2016
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.