Alert archive / Iowa / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 73, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 17, 2016, 8:18 PM CDT for 8 counties in Iowa; Lincoln County, South Dakota; Nobles County, Rock County, Minnesota. It was in force for 42 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 17, 2016, 8:18 PM CDT (01:18 UTC)
- Expired
- Jun 17, 2016, 9:00 PM CDT
- In force
- 42 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Sioux County, IA, Nobles County, MN, Rock County, MN, Lincoln County, SD
The radar
The Sioux Falls radar (KFSD), 56 km from the middle of the area, began a volume at 01:18 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 17, 8:40 PM CDT | TSTM WND DMG | Rock Valley, IA | TREE BRANCHES DOWN AND THERE WAS A POWER OUTAGE. |
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 17, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.3 hours before the alert went out and 219 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
- 3543 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1690 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
636
WUUS53 KFSD 180118
SVRFSD
IAC021-035-041-059-119-141-143-167-MNC105-133-SDC083-180200-
/O.NEW.KFSD.SV.W.0073.160618T0118Z-160618T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
818 PM CDT FRI JUN 17 2016
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
LYON COUNTY IN NORTHWESTERN IOWA...
O'BRIEN COUNTY IN NORTHWESTERN IOWA...
SIOUX COUNTY IN NORTHWESTERN IOWA...
OSCEOLA COUNTY IN NORTHWESTERN IOWA...
NORTHEASTERN CHEROKEE COUNTY IN NORTHWESTERN IOWA...
CLAY COUNTY IN NORTHWESTERN IOWA...
NORTHERN BUENA VISTA COUNTY IN NORTHWESTERN IOWA...
SOUTHERN DICKINSON COUNTY IN NORTHWESTERN IOWA...
SOUTHWESTERN NOBLES COUNTY IN SOUTHWESTERN MINNESOTA...
SOUTHERN ROCK COUNTY IN SOUTHWESTERN MINNESOTA...
EASTERN LINCOLN COUNTY IN SOUTHEASTERN SOUTH DAKOTA...
* UNTIL 900 PM CDT
* AT 818 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR WORTHING TO NEAR HOSPERS...MOVING SOUTH AT 20
MPH.
HAZARD...PROLONGED 60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
SPENCER IN CLAY COUNTY...SIOUX CENTER...ORANGE CITY...SHELDON...
CANTON...SIBLEY...ROCK RAPIDS...ROCK VALLEY...MILFORD...HULL...
HARTLEY...SANBORN...ALTON...ARNOLDS PARK...GEORGE...PAULLINA...
PRIMGHAR...LARCHWOOD...INWOOD AND OKOBOJI.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN SIOUX FALLS.
&&
LAT...LON 4277 9492 4308 9646 4322 9647 4323 9657
4326 9655 4327 9659 4330 9659 4331 9652
4339 9652 4345 9660 4350 9660 4350 9645
4361 9645 4348 9578 4336 9491
TIME...MOT...LOC 0118Z 018DEG 19KT 4335 9669 4303 9587
HAIL...0.75IN
WIND...60MPH
$$
DUX2 follow-up statements
709
WWUS53 KFSD 180144
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
844 PM CDT FRI JUN 17 2016
IAC021-035-041-059-119-141-143-167-MNC105-133-SDC083-180200-
/O.CON.KFSD.SV.W.0073.000000T0000Z-160618T0200Z/
LYON IA-O'BRIEN IA-SIOUX IA-OSCEOLA IA-CHEROKEE IA-CLAY IA-
BUENA VISTA IA-DICKINSON IA-NOBLES MN-ROCK MN-LINCOLN SD-
844 PM CDT FRI JUN 17 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR LYON...O'BRIEN...SIOUX...OSCEOLA...NORTHEASTERN CHEROKEE...
CLAY...NORTHERN BUENA VISTA...SOUTHERN DICKINSON...SOUTHWESTERN
NOBLES...SOUTHERN ROCK AND EASTERN LINCOLN COUNTIES...
AT 842 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTH OF WORTHING TO NEAR GRANVILLE...MOVING
SOUTH AT 20 MPH.
HAZARD...PROLONGED 60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS. WIDESPREAD SPOTTER AND
PUBLIC REPORTS OF 50 MPH WITH OCCASIONAL GUSTS TO 60 MPH.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
SPENCER IN CLAY COUNTY...SIOUX CENTER...ORANGE CITY...SHELDON...
CANTON...SIBLEY...ROCK RAPIDS...ROCK VALLEY...MILFORD...HULL...
HARTLEY...SANBORN...ALTON...ARNOLDS PARK...GEORGE...PAULLINA...
PRIMGHAR...LARCHWOOD...INWOOD AND OKOBOJI.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
SIOUX FALLS.
&&
LAT...LON 4277 9492 4308 9646 4322 9647 4323 9657
4326 9655 4327 9659 4330 9659 4331 9652
4339 9652 4345 9660 4350 9660 4350 9645
4361 9645 4348 9578 4336 9491
TIME...MOT...LOC 0142Z 018DEG 19KT 4324 9674 4292 9592
HAIL...0.75IN
WIND...60MPH
$$
DUX908
WWUS53 KFSD 180156
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
856 PM CDT FRI JUN 17 2016
IAC021-035-041-059-119-141-143-167-MNC105-133-SDC083-180204-
/O.EXP.KFSD.SV.W.0073.000000T0000Z-160618T0200Z/
LYON IA-O'BRIEN IA-SIOUX IA-OSCEOLA IA-CHEROKEE IA-CLAY IA-
BUENA VISTA IA-DICKINSON IA-NOBLES MN-ROCK MN-LINCOLN SD-
856 PM CDT FRI JUN 17 2016
...THE SEVERE THUNDERSTORM WARNING FOR LYON...O'BRIEN...SIOUX...
OSCEOLA...NORTHEASTERN CHEROKEE...CLAY...NORTHERN BUENA VISTA...
SOUTHERN DICKINSON...SOUTHWESTERN NOBLES...SOUTHERN ROCK AND EASTERN
LINCOLN COUNTIES WILL EXPIRE AT 900 PM CDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER GUSTY
WINDS TO 50 MPH ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHWESTERN IOWA...SOUTHWESTERN MINNESOTA...AND SOUTHEASTERN SOUTH
DAKOTA.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
SIOUX FALLS.
LAT...LON 4277 9492 4308 9646 4322 9647 4323 9657
4326 9655 4327 9659 4330 9659 4331 9652
4339 9652 4345 9660 4350 9660 4350 9645
4361 9645 4348 9578 4336 9491
TIME...MOT...LOC 0154Z 018DEG 19KT 4324 9674 4292 9592
$$
DUXThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 8:44 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 46 min |
| Jun 17, 9:44 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Sioux | 46 min |
| Jun 17, 9:53 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 52 min |
| Jun 17, 10:14 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 46 min |
| Jun 17, 10:41 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 49 min |
| Jun 17, 10:57 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 37 min |
| Jun 17, 11:33 PM CDT | Flash Flood Warning | FSD | Cherokee, Ida, Plymouth, Woodbury | 6 hr |
| Jun 18, 3:14 AM CDT | Heat Advisory | FSD | Lyon, Plymouth, Sioux, Woodbury | 41 hr |
| Jun 18, 3:19 AM CDT | River Flood Warning | FSD | Woodbury | 24 hr |
| Jun 18, 8:15 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 62 hr |
| Jun 18, 9:26 AM CDT | River Flood Warning | FSD | Monona, Woodbury | 29 hr |
| Jun 18, 9:57 AM CDT | River Flood Warning | FSD | Clay, Dickinson | 54 hr |
| Jun 17, 7:01 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 44 min |
| Jun 17, 7:17 PM CDT | Flash Flood Warning | FSD | Lake | 3 hr |
| Jun 17, 7:33 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook | 27 min |
| Jun 17, 7:38 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 41 min |
| Jun 17, 7:39 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 36 min |
| Jun 17, 8:03 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Miner | 27 min |
| Jun 17, 8:17 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, McCook, Minnehaha, Turner | 28 min |
| Jun 17, 8:26 PM CDT | Flash Flood Warning | FSD | Lincoln, Minnehaha | 3 hr |
| Jun 17, 8:49 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson | 26 min |
| Jun 17, 8:52 PM CDT | Flash Flood Warning | FSD | Hutchinson, McCook | 3 hr |
| Jun 17, 9:13 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson, Turner, Yankton | 47 min |
| Jun 17, 10:33 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 42 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2016Severe Thunderstorm Warnings in Minnesota, 2016Severe Thunderstorm Warnings in South Dakota, 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.