Alert archive / Iowa / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 92, NWS Sioux Falls, SD

June 13, 2000Sioux County, Iowa

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 13, 2000, 2:32 PM CDT for Sioux County, Iowa. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 13, 2000, 2:32 PM CDT (19:32 UTC)
Expired
Jun 13, 2000, 3:00 PM CDT
In force
28 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Sioux County, IA

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.5 hours before the alert went out and 197 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.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 997 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
997 J/kg
Mixed-layer CIN
-254 J/kg
Mixed-layer LCL
1473 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KFSD 131932
SVRFSD
IAC167-132000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
232 PM CDT TUE JUN 13 2000

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN SIOUX COUNTY IN NORTHWEST IOWA

* UNTIL 300 PM CDT

* AT 232 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF BOYDEN...OR ABOUT 8 MILES
  NORTH OF ORANGE CITY...MOVING NORTHEAST AT 40 MPH.  

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BOYDEN AROUND 240 PM CDT
  MATLOCK AROUND 245 PM CDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 58 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THtEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN SIOUX FALLS.

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 2:02 PM CDTSevere Thunderstorm WarningFSDSioux28 min
Jun 13, 2:35 PM CDTSevere Thunderstorm WarningFSDWoodbury25 min
Jun 13, 3:37 PM CDTSevere Thunderstorm WarningFSDClay23 min
Jun 13, 3:40 PM CDTFlash Flood WarningFSDCherokee, O'Brien, Plymouth, Sioux, Woodbury2 hr
Jun 13, 3:40 PM CDTSevere Thunderstorm WarningFSDCherokee, O'Brien35 min
Jun 13, 4:01 PM CDTFlash Flood WarningFSDClay, Dickinson119 min
Jun 13, 4:01 PM CDTSevere Thunderstorm WarningFSDClay29 min
Jun 13, 4:18 PM CDTSevere Thunderstorm WarningFSDBuena Vista27 min
Jun 13, 4:19 PM CDTSevere Thunderstorm WarningFSDClay26 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2000Every severe thunderstorm warning in 2000

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.