Alert archive / South Dakota / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 191, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Oct 16, 1996, 8:41 PM CDT for Clay County, South Dakota; Dixon County, Nebraska. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 16, 1996, 8:41 PM CDT (01:41 UTC)
- Expired
- Oct 16, 1996, 9:10 PM CDT
- In force
- 29 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Dixon County, NE, Clay County, SD
The radar
The Sioux Falls radar (KFSD), 100 km from the middle of the area, began a volume at 01:41 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 nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.7 hours before the alert went out and 161 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
- 1552 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1255 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 170141 SVRFSD NEC051-SDC027-170210- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 841 PM CDT WED OCT 16 1996 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS SD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 910 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST SOUTH DAKOTA ...SOUTHEASTERN CLAY COUNTY IN NORTHEAST NEBRASKA ...DIXON COUNTY AT 836 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY SIOUX FALLS DOPPLER RADAR 21 MILES SOUTHEAST OF YANKTON OR 12 MILES SOUTHWEST OF MASKELL MOVING EAST AT 30 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... MECKLING SD AROUND 858 PM CDT MASKELL NEZ AROUND 901 PM CDT MARTINSBURG NE AROUND 905 PM CDT VERMILLION SD AROUND 905 PM CDT DIXON NE AROUND 855 PM CDT
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, Oct 16, 4:12 PM CDT, 4 hours 29 minutes before
IAZ001>003-012>014-020>022-031-032-MNZ097-098-NEZ013-014-SDZ001>023- 027-030>071-170915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 415 PM CDT WED OCT 16 1996 ...BIG CHANGE IN THE WEATHER PATTERN EXPECTED...WINTER IS COMING... A LOW PRESSURE SYSTEM IN THE CENTRAL PLAINS WILL HELP BRING A SURGE OF COLDER WEATHER AND A CHANCE FOR SNOW TO SOUTH DAKOTA AND NORTHWEST IOWA. ALTHOUGH THE BLACK HILLS WILL RECEIVE MOST OF THE SNOWFALL...RAIN IS EXPECTED TO CHANGE TO SNOW IN THE PLAINS OF WESTERN SOUTH DAKOTA TONIGHT WITH ONE INCH OF SNOW ACCUMULATION POSSIBLE. AS THE COLDER AIR MOVES EAST ACROSS THE AREA RAIN IS EXPECTED TO CHANGE INTO SNOW LATE TONIGHT IN CENTRAL SOUTH DAKOTA...AND POSSIBLY IN EASTERN SOUTH DAKOTA AND NORTHWEST IOWA LATE THURSDAY AFTERNOON. TEMPERATURES WILL BE COOLER THURSDAY...WITH DAILY HIGHS EXPECTED TO BE REACHED DURING THE MORNING AND FALLING TEMPERATURES IN THE AFTERNOON. BRISK NORTHERLY WINDS RANGING FROM 20 TO 40 MPH CAN ALSO BE EXPECTED ACROSS THE AREA THURSDAY AFTERNOON. ALTHOUGH HEAVY SNOW IS NOT EXPECTED OUTSIDE THE BLACK HILLS...MOTORISTS SHOULD PREPARE FOR SOME WINTER WEATHER TRAVELING CONDITIONS ACROSS THE AREA TONIGHT THROUGH THURSDAY NIGHT. RUBY
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 7:29 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook | 31 min |
| Oct 16, 8:11 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 29 min |
| Oct 16, 10:16 PM CDT | Severe Thunderstorm Warning | FSD | Dakota, Dixon | 49 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1996Severe Thunderstorm Warnings in Nebraska, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.