Alert archive / Iowa / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Apr 24, 2016, 4:06 PM CDT for Cherokee County, Plymouth County, Woodbury County, Iowa. It was in force for 39 min. 4 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, 4:06 PM CDT (21:06 UTC)
- Expired
- Apr 24, 2016, 4:45 PM CDT
- In force
- 39 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), 115 km from the middle of the area, began a volume at 21:10 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, 4:26 PM CDT | HAIL 0.88 | 4 N Hornick, IA | HAIL COVERING THE GROUND. |
| Apr 24, 4:28 PM CDT | TSTM WND DMG | 2 Nne Hornick, IA | 2 UTILITY POLES SNAPPED ALONG OLD HIGHWAY 141 AND HANCOCK AVE. |
| Apr 24, 4:47 PM CDT | HAIL 1 | 4 Nne Anthon, IA | |
| Apr 24, 4:50 PM CDT | HAIL 1.75 | 3 Sw Correctionville, 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, 9.1 hours before the alert went out and 115 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.
000
WUUS53 KFSD 242106
SVRFSD
IAC035-149-193-242145-
/O.NEW.KFSD.SV.W.0001.160424T2106Z-160424T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
406 PM CDT SUN APR 24 2016
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN CHEROKEE COUNTY IN NORTHWESTERN IOWA...
WOODBURY COUNTY IN WEST CENTRAL IOWA...
SOUTHEASTERN PLYMOUTH COUNTY IN NORTHWESTERN IOWA...
* UNTIL 445 PM CDT
* AT 406 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SLOAN...OR 23
MILES SOUTHEAST OF SIOUX CITY...MOVING NORTHEAST AT 50 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...
SALIX AND HORNICK AROUND 415 PM CDT.
LAWTON AROUND 430 PM CDT.
MOVILLE AROUND 435 PM CDT.
KINGSLEY AND PIERSON AROUND 445 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE BRONSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4223 9632 4224 9633 4226 9633 4228 9637
4230 9637 4273 9612 4255 9574 4251 9574
4221 9603 4221 9634
TIME...MOT...LOC 2106Z 204DEG 42KT 4219 9622
HAIL...1.25IN
WIND...60MPH
$$
MJF1 follow-up statement
011
WWUS53 KFSD 242131
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
431 PM CDT SUN APR 24 2016
IAC035-149-193-242145-
/O.CON.KFSD.SV.W.0001.000000T0000Z-160424T2145Z/
CHEROKEE IA-WOODBURY IA-PLYMOUTH IA-
431 PM CDT SUN APR 24 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR SOUTHWESTERN CHEROKEE...WOODBURY AND SOUTHEASTERN PLYMOUTH
COUNTIES...
AT 427 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HORNICK...OR 22
MILES SOUTHEAST OF SIOUX CITY...MOVING NORTHEAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING...AND TREES.
THIS SEVERE STORM WILL BE NEAR...
ANTHON AROUND 445 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
BRONSON.
AT 426 PM...NICKEL SIZE HAIL COVERING THE GROUND WAS REPORTED 4
MILES NORTH OF HORNICK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4223 9632 4224 9633 4226 9633 4228 9637
4230 9637 4273 9612 4255 9574 4251 9574
4221 9603 4221 9634
TIME...MOT...LOC 2127Z 223DEG 29KT 4230 9605
HAIL...1.25IN
WIND...60MPH
$$
MJFThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Apr 24, 6:04 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth, Woodbury | 24 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.