Alert archive / Iowa / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 61, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 19, 1996, 9:18 PM CDT for Plymouth County, Iowa. It was in force for 32 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
- Jun 19, 1996, 9:18 PM CDT (02:18 UTC)
- Expired
- Jun 19, 1996, 9:50 PM CDT
- In force
- 32 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Plymouth County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 19, 9:50 PM CDT | Hail 1.75 | Kingsley, IA |
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 nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 2.3 hours before the alert went out and 158 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
- 3601 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1562 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 19.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 200218 SVRFSD IAC149-200250- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 918 PM CDT WED JUN 19 1996 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 950 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST IOWA ...PLYMOUTH COUNTY AT 913 PM CDT...A RAPIDLY INTENSIFYING SEVERE THUNDERSTORM WAS INDICATED BY SIOUX FALLS DOPPLER RADAR 10 MILES NORTHEAST OF SIOUX CITY BETWEEN HINTON AND MERILLL MOVING EAST AT 25 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... NEPTUNE AROUND 925 PM CDT UNION CENTER AROUND 935 PM CDT OLEARY AROUND 940 PM CDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. REMEMBER...SEVERE THUNDERSTORMS CAN AND OFTEN DO PRODUCE TORNADOES WITH LITTLE OR NO WARNING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 10PM FOR ALL OF NORTHWEST IOWA. CHAPMAN
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 19, 5:57 PM CDT, 3 hours 21 minutes before
SDZ039-040-053>056-059>062-063>071-192350- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 600 PM CDT WED JUN 19 1996 ...SEVERE THUNDERSTORM WATCH 640 CANCELED... THE SEVERE THUNDERSTORM WATCH FOR A LARGE PART OF EAST CENTRAL AND SOUTHEAST SOUTH DAKOTA HAS BEEN CANCELED AT 6 PM CDT. ALL SEVERE WEATHER HAS MOVED TO THE EAST OF SOUTH DAKOTA BUT A FEW THUNDERSTORMS MAY STILL LINGER UNTIL ABOUT 7 PM. KOSCIELSKI
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 7:05 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 45 min |
| Jun 19, 7:44 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 31 min |
| Jun 19, 8:16 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 44 min |
| Jun 19, 9:00 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien, Sioux | 35 min |
| Jun 19, 9:26 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 44 min |
| Jun 19, 9:49 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 31 min |
| Jun 19, 9:50 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 35 min |
| Jun 19, 10:09 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida | 31 min |
| Jun 19, 10:22 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 33 min |
| Jun 19, 10:54 PM CDT | Severe Thunderstorm Warning | FSD | Ida | 31 min |
| Jun 19, 11:19 PM CDT | Severe Thunderstorm Warning | FSD | Ida, Woodbury | 31 min |
| Jun 19, 11:50 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 30 min |
| Jun 20, 12:04 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 46 min |
| Jun 20, 12:20 AM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 15 min |
| Jun 20, 12:52 AM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 23 min |
| Jun 20, 1:26 AM CDT | Flash Flood Warning | FSD | Ida | 3 hr |
| Jun 20, 8:32 AM CDT | Flash Flood Warning | FSD | Ida | 5 hr |
| Jun 20, 2:13 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 32 min |
| Jun 20, 2:24 PM CDT | Severe Thunderstorm Warning | FSD | Dickinson | 46 min |
| Jun 20, 2:45 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 30 min |
| Jun 20, 3:04 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 46 min |
| Jun 20, 3:18 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 47 min |
| Jun 20, 3:51 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 34 min |
| Jun 20, 3:55 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 35 min |
| Jun 20, 4:37 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 33 min |
| Jun 20, 6:09 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Ida | 31 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1996Every severe thunderstorm warning in 1996
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.