Alert archive / Iowa / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 69, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 19, 1996, 11:50 PM CDT for Plymouth County, Iowa. It was in force for 30 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
- Jun 19, 1996, 11:50 PM CDT (04:50 UTC)
- Expired
- Jun 20, 1996, 12:20 AM CDT
- In force
- 30 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Plymouth County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 20, 12:05 AM CDT | Hail 1.75 | Kingsley, IA | |
| Jun 20, 12:05 AM CDT | Thunderstorm Wind 50 | 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, 4.8 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 200449 SVRFSD IAC149-200520- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1150 PM CDT WED JUN 19 1996 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1220 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST IOWA ...PLYMOUTH COUNTY AT 1144 PM CDT...SEVERE THUNDERSTORMS WERE INDICATED BY SIOUX FALLS DOPPLER RADAR 20 MILES NORTH TO 25 MILES NORTHEAST OF SIOUX CITY OR 5 MILES SOUTHWEST AND 5 MILES EAST OF LEMARS MOVING SOUTHEAST AT 25 MPH. MARBLE TO DIME SIZE HAIL WAS REPORTED 10 MILES WEST OF LEMARS AT 1142 PM CDT. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... MERRILL AROUND 1150 PM CDT HINTON AROUND 1200 AM CDT NEPTUNE AROUND 1205 AM CDT UNION CENTER AROUND 1205 AM CDT KINGSLEY AROUND 1210 AM CDT SEVERE THUNDERSTORMS PRNODUCE 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. 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, 5 hours 53 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, 9:18 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 32 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 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.