Alert archive / Iowa / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 262, NWS Sioux Falls, SD

August 16, 2000Buena Vista County, Iowa

NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 16, 2000, 11:07 PM CDT for Buena Vista County, Iowa. It was in force for 23 min. 1 report 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, 11:07 PM CDT (04:07 UTC)
Expired: Aug 16, 2000, 11:30 PM CDT
In force: 23 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

County Buena Vista County, IA

What was reported inside it

Time	Report	Where	Remark
Aug 16, 11:20 PM CDT	Thunderstorm Wind 61 E	Rembrandt, IA	Thunderstorm winds caused tree damage, including a four foor diameter tree broken off above ground. The amount of damage was not known.

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, 4.1 hours before the alert went out and 187 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 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

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFSD 170408
SVRFSD
IAC021-170430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1107 PM CDT WED AUG 16 2000

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUENA VISTA COUNTY IN NORTHWEST IOWA

* UNTIL 1130 PM CDT

* AT 1107 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 3 MILES SOUTHEAST OF LINN GROVE
  TO 11 MILES NORTHWEST OF ALTA...OR FROM 15 MILES NORTH OF STORM
  LAKE TO 17 MILES NORTHWEST OF STORM LAKE...MOVING EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SIOUX RAPIDS...REMBRANDT AROUND 1115 PM CDT
  MA1RATHON AROUND 1120 PM CDT
  TRUESDALE AROUND 1125 PM CDT

THIS STORM HAS A HISTORY OF PRODUCING 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, 10:38 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	37 min
Aug 16, 11:16 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee	19 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2000 Every 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.