Alert archive / Iowa / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 85, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 24, 2003, 12:52 AM CDT for Ida County, Woodbury County, Iowa. It was in force for 38 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
- Jun 24, 2003, 12:52 AM CDT (05:52 UTC)
- Expired
- Jun 24, 2003, 1:30 AM CDT
- In force
- 38 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
Counties Ida County, IA, Woodbury County, IA
The radar
The Omaha radar (KOAX), 124 km from the middle of the area, began a volume at 05:54 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 23, 8:55 PM CDT | Tornado Watch | SPC | 4 hr |
| Jun 24, 12:35 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 5.9 hours before the alert went out and 328 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
- 1955 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1314 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 6.7
The text
As transmitted, in the capitals the NWS used until 2016.
008 WUUS53 KFSD 240552 SVRFSD IAC093-193-240630- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1251 AM CDT TUE JUN 24 2003 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN WOODBURY COUNTY IN NORTHWEST IOWA IDA COUNTY IN NORTHWEST IOWA * UNTIL 130 AM CDT * AT 1251 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES WEST OF DANBURY...OR ABOUT 7 MILES NORTH OF MAPLETON...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DANBURY AROUND 1255 AM BATTLE CREEK AROUND 105 AM CDT IDA GROVE AROUND 120 AM CDT ARTHUR AROUND 125 AM CDT THIS EXTENDS THE PREVIOUS WARNING FOR IDA COUNTY. THIS STORM WILL PRODUCE LARGE HAIL AND DAMAGING WIND. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 4234 9593 4221 9590 4222 9534 4247 9538 $$ CHAPMAN
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 9:12 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 48 min |
| Jun 23, 9:37 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 23 min |
| Jun 23, 10:02 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 28 min |
| Jun 23, 10:22 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 38 min |
| Jun 23, 10:38 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 52 min |
| Jun 23, 10:50 PM CDT | Tornado Warning | FSD | Ida, Woodbury | 25 min |
| Jun 23, 11:12 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 48 min |
| Jun 23, 11:19 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 56 min |
| Jun 23, 11:21 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 39 min |
| Jun 23, 11:31 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 44 min |
| Jun 23, 11:37 PM CDT | Severe Thunderstorm Warning | FSD | Clay, O'Brien | 53 min |
| Jun 23, 11:53 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 22 min |
| Jun 23, 11:55 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 65 min |
| Jun 24, 12:05 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 25 min |
| Jun 24, 12:16 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 44 min |
| Jun 24, 2:25 AM CDT | Flash Flood Warning | FSD | Cherokee, Ida, Woodbury | 4 hr |
Nearby
Severe Thunderstorm Warnings in Iowa, 2003Every severe thunderstorm warning in 2003
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.