Alert archive / Iowa / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 4, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Apr 24, 2016, 6:04 PM CDT for Cherokee County, Plymouth County, Woodbury County, Iowa. It was in force for 24 min. 2 reports 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
- Apr 24, 2016, 6:04 PM CDT (23:04 UTC)
- Expired
- Apr 24, 2016, 6:28 PM CDT
- In force
- 24 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Cherokee County, IA, Plymouth County, IA, Woodbury County, IA
The radar
The Omaha radar (KOAX), 119 km from the middle of the area, began a volume at 23:06 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 |
|---|---|---|---|
| Apr 24, 6:05 PM CDT | HAIL 1 | 4 W Sloan, IA | |
| Apr 24, 6:05 PM CDT | HAIL 1 | Sloan, 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 |
|---|---|---|---|
| Apr 24, 2:28 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 11.1 hours before the alert went out and 119 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
- 1281 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 440 m²/s²
- 0-3 km storm-relative helicity
- 498 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
933
WUUS53 KFSD 242304
SVRFSD
IAC035-149-193-242345-
/O.NEW.KFSD.SV.W.0004.160424T2304Z-160424T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
604 PM CDT SUN APR 24 2016
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL CHEROKEE COUNTY IN NORTHWESTERN IOWA...
CENTRAL WOODBURY COUNTY IN WEST CENTRAL IOWA...
EASTERN PLYMOUTH COUNTY IN NORTHWESTERN IOWA...
* UNTIL 645 PM CDT
* AT 603 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER SALIX...OR 16
MILES SOUTH OF SIOUX CITY...MOVING NORTH AT 65 MPH.
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING...AND TREES.
* THIS SEVERE THUNDERSTORM WILL BE NEAR...
LAWTON AROUND 615 PM CDT.
MOVILLE AROUND 620 PM CDT.
KINGSLEY AROUND 630 PM CDT.
LE MARS AROUND 635 PM CDT.
REMSEN AROUND 640 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE OYENS
AND BRONSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4222 9634 4223 9632 4225 9633 4228 9637
4291 9619 4278 9572 4221 9616
TIME...MOT...LOC 2303Z 202DEG 58KT 4228 9628
HAIL...1.25IN
WIND...60MPH
$$
MJF2 follow-up statements
442
WWUS53 KFSD 242322
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
622 PM CDT SUN APR 24 2016
IAC035-149-193-242345-
/O.CON.KFSD.SV.W.0004.000000T0000Z-160424T2345Z/
CHEROKEE IA-WOODBURY IA-PLYMOUTH IA-
622 PM CDT SUN APR 24 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR WEST CENTRAL CHEROKEE...WESTERN WOODBURY AND EASTERN PLYMOUTH
COUNTIES...
AT 621 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAWTON...OR
12 MILES NORTHEAST OF SIOUX CITY...MOVING NORTHEAST AT 55 MPH.
CURRENTLY THE STORM HAS BEEN WEAKENING AS IT MOVES INTO PLYMOUTH
COUNTY.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
THIS SEVERE STORM WILL BE NEAR...
LE MARS AROUND 640 PM CDT.
REMSEN AROUND 645 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE OYENS
AND BRONSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4237 9634 4291 9619 4278 9572 4229 9610
TIME...MOT...LOC 2321Z 206DEG 49KT 4257 9617
HAIL...1.00IN
WIND...60MPH
$$
MJF923
WWUS53 KFSD 242328
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
628 PM CDT SUN APR 24 2016
IAC035-149-193-242338-
/O.CAN.KFSD.SV.W.0004.000000T0000Z-160424T2345Z/
CHEROKEE IA-WOODBURY IA-PLYMOUTH IA-
628 PM CDT SUN APR 24 2016
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL CHEROKEE...
WESTERN WOODBURY AND EASTERN PLYMOUTH COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHWESTERN IOWA.
LAT...LON 4237 9634 4291 9619 4278 9572 4229 9610
TIME...MOT...LOC 2327Z 202DEG 58KT 4268 9611
$$
MJFThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 4:06 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth, Woodbury | 39 min |
| Apr 24, 4:43 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Ida, Plymouth, Woodbury | 47 min |
| Apr 24, 5:27 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien | 33 min |
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.