Alert archive / Iowa / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 13, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at May 26, 2013, 4:01 AM CDT for Buena Vista County, Cherokee County, Iowa. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 26, 2013, 4:01 AM CDT (09:01 UTC)
- Expired
- May 26, 2013, 4:30 AM CDT
- In force
- 29 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Buena Vista County, IA, Cherokee County, IA
The radar
The Sioux Falls radar (KFSD), 129 km from the middle of the area, began a volume at 09:02 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.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 9.0 hours before the alert went out and 177 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
- 2299 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 8.9
The text
As transmitted, in the capitals the NWS used until 2016.
873
WUUS53 KFSD 260901
SVRFSD
IAC021-035-260930-
/O.NEW.KFSD.SV.W.0013.130526T0901Z-130526T0930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
401 AM CDT SUN MAY 26 2013
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN BUENA VISTA COUNTY IN NORTHWEST IOWA...
NORTHERN CHEROKEE COUNTY IN NORTHWEST IOWA...
* UNTIL 430 AM CDT
* AT 357 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTH OF
CLEGHORN...AND MOVING NORTHEAST AT 40 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES AND CROPS IS EXPECTED.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
CHEROKEE AROUND 410 AM CDT.
LARRABEE AROUND 415 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4266 9570 4283 9582 4291 9554 4291 9536
4281 9527
TIME...MOT...LOC 0901Z 241DEG 35KT 4276 9568
HAIL...1.00IN
WIND...<50MPH
$$
CHENARD2 follow-up statements
759
WWUS53 KFSD 260909
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
409 AM CDT SUN MAY 26 2013
IAC021-035-260930-
/O.CON.KFSD.SV.W.0013.000000T0000Z-130526T0930Z/
BUENA VISTA IA-CHEROKEE IA-
409 AM CDT SUN MAY 26 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
CHEROKEE AND NORTHWESTERN BUENA VISTA COUNTIES UNTIL 430 AM CDT...
AT 407 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LARRABEE...AND
MOVING NORTHEAST AT 45 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES AND CROPS IS EXPECTED.
THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF
NORTHEASTERN CHEROKEE AND NORTHWESTERN BUENA VISTA COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4275 9561 4287 9568 4291 9554 4291 9536
4285 9533
TIME...MOT...LOC 0910Z 234DEG 39KT 4285 9556
HAIL...1.00IN
WIND...<50MPH
$$
CHENARD635
WWUS53 KFSD 260927
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
427 AM CDT SUN MAY 26 2013
IAC021-035-260937-
/O.EXP.KFSD.SV.W.0013.000000T0000Z-130526T0930Z/
BUENA VISTA IA-CHEROKEE IA-
427 AM CDT SUN MAY 26 2013
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHEROKEE AND
NORTHWESTERN BUENA VISTA COUNTIES WILL EXPIRE AT 430 AM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA. HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4275 9561 4287 9568 4291 9554 4291 9536
4285 9532
TIME...MOT...LOC 0927Z 234DEG 39KT 4296 9535
$$
CHENARDThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 10:41 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 49 min |
| May 26, 1:26 AM CDT | Flash Flood Warning | FSD | Lyon | 6 hr |
| May 26, 4:24 AM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, O'Brien, Osceola and 2 more | 4 hr |
| May 26, 4:31 AM CDT | Flash Flood Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 26 hr |
| May 26, 5:05 AM CDT | River Flood Warning | FSD | Sioux | 3 days |
| May 26, 6:18 AM CDT | Flash Flood Warning | FSD | Buena Vista, Cherokee, Ida, Plymouth, Woodbury | 3 hr |
| May 26, 9:54 AM CDT | River Flood Warning | FSD | Plymouth | 4 days |
| May 26, 9:54 AM CDT | River Flood Warning | FSD | Plymouth | 6 hr |
| May 26, 9:54 AM CDT | River Flood Warning | FSD | Clay | 4 days |
| May 26, 9:54 AM CDT | River Flood Warning | FSD | Buena Vista, Clay | 9 days |
| May 26, 9:54 AM CDT | River Flood Warning | FSD | Sioux | 3 days |
| May 26, 3:57 PM CDT | River Flood Warning | FSD | Clay | 67 hr |
Nearby
Severe Thunderstorm Warnings in Iowa, 2013Every severe thunderstorm warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.