Alert archive / Iowa / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 261, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 16, 2000, 10:38 PM CDT for Cherokee County, Iowa. It was in force for 37 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 16, 2000, 10:38 PM CDT (03:38 UTC)
- Expired
- Aug 16, 2000, 11:15 PM CDT
- In force
- 37 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Cherokee County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 16, 10:50 PM CDT | Thunderstorm Wind 65 E | Cleghorn, IA | Thunderstorm winds caused power line and tree damage, including a 30 to 40 foot tall tree snapped at its base. Corn was flattened, but the amount of crop damage was not determined. |
| Aug 16, 10:58 PM CDT | Thunderstorm Wind 61 E | Marcus, IA | Thundestorm winds caused tree damage, including large trees blown down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 16, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 3.6 hours before the alert went out and 169 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
- 2708 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 1961 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 406 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 11.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFSD 170338 SVRFSD IAC035-170415- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1038 PM CDT WED AUG 16 2000 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHEROKEE COUNTY IN NORTHWEST IOWA * UNTIL 1115 PM CDT * AT 1038 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 6 MILES NORTHEAST OF MARCUS TO 12 MILES SOUTHWEST OF MARCUS...OR FROM 17 MILES SOUTHEAST OF ORANGE CITY TO 10 MILES SOUTHEAST OF LE MARS...MOVING EAST AT 50 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... LARRABEE AROUND 1045 PM CDT CHEROKEE AROUND 1050 PM CDT AURELIA AROUND 1100 PM CDT THIS STORM WILL PRODUCE DAMAGING WIND. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 8:56 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth | 34 min |
| Aug 16, 9:15 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Clay, O'Brien | 30 min |
| Aug 16, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 35 min |
| Aug 16, 9:44 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee | 31 min |
| Aug 16, 11:07 PM CDT | Severe Thunderstorm Warning | FSD | Buena Vista | 23 min |
| Aug 16, 11:16 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 19 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.