Alert archive / South Dakota / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 68, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jul 27, 1995, 6:52 AM CDT for Brookings County, South Dakota. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jul 27, 1995, 6:52 AM CDT (11:52 UTC)
- Expired
- Jul 27, 1995, 7:35 AM CDT
- In force
- 43 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Brookings County, SD
The radar
The Sioux Falls radar (KFSD), 87 km from the middle of the area, began a volume at 11:55 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
Aberdeen, SD (KABR), launched 00:00Z, 11.9 hours before the alert went out and 140 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
- 2702 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 319 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 22.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 271154 RRA SVRFSD SDC011-271235- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 652 AM CDT THU JUL 27 1995 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS EXTENDED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 735 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL SOUTH DAKOTA ...CENTRAL AND EASTERN BROOKINGS COUNTY AT 645 AM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY SIOUX FALLS DOPPLER RADAR 8 MILES NORTHEAST OF BROOKINGS NEAR WHITE MOVING EAST AT 20 MPH. THIS STORM CAN BE EXPECTED IN THE VICINITY OF... BUSHNELL AROUND 700 AM CDT THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL AND DANGEROUS WINDS. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG...REINFORCED BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES UNLESS IT IS AN EMERGENCY OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD AVO,ID FLOODED ROADWAYS. & RUBY
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, Jul 27, 4:00 AM CDT, 2 hours 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 4 AM CDT THU JUL 27 1995 SDZ004>011-016>023-036>040-052>056-058>062-064>067-271100- ...SEVERE THUNDERSTORM WATCH 866 CANCELED FOR PART OF THE STATE BUT REMAINS IN EFFECT FOR THE NORTHEAST AND ALONG THE EASTERN BORDER... SEVERE THUNDERSTORM WATCH 866 HAS BEEN CANCELD FOR AREAS PREVIOUSLY INCLUDED. THE AREAS NO LONGER THREATENED ARE TO THE SOUTH AND WEST OF A PARKER...MITCHELL...HURNON...AND GETTYSBURG LINE. COUNTIES TO THE NORTH AND EAST REMAIN IN THE WATCH AREA UNTIL 9 AM OR UNTIL THE THUNDERSTORMS MOVE EAST OF YOUR LOCATION.
Special weather statement, Jul 27, 4:01 AM CDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 4 AM CDT THU JUL 27 1995 SDZ004>011-016>023-036>040-052>056-058>062-064>067-271100- ...SEVERE THUNDERSTORM WATCH 866 CANCELED FOR PART OF THE STATE BUT REMAINS IN EFFECT FOR THE NORTHEAST AND ALONG THE EASTERN BORDER... SEVERE THUNDERSTORM WATCH 866 HAS BEEN CANCELD FOR AREAS PREVIOUSLY INCLUDED. THE AREAS NO LONGER THREATENED ARE TO THE SOUTH AND WEST OF A PARKER...MITCHELL...JHURNON...AND GETTYSBURG LINE. COUNTIES TO THE NORTH AND EAST REMAIN IN THE WATCH AREA UNTIL 9 AM OR UNTIL THE THUNDERSTORMS MOVE EAST OF YOUR LOCATION.
Special weather statement, Jul 27, 6:40 AM CDT, 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 640 AM CDT THU JUL 27 1995 SDZ004>011-016>023-036>040-052>056-058>062-064>067-271100- ...SEVERE THUNDERSTORM WATCH 866 CANCELED FOR SOUTHEAST SOUTH DAKOTA REMAINS IN EFFECT FOR THE NORTHEAST AND EASTERN CENTRAL BORDER... SEVERE THUNDERSTORM WATCH 866 HAS BEEN CANCELD FOR AREAS INCLUDED IN THE SOUTHEAST...INCLUDING SIOUX FALLS AND MADISON. THE AREA IS NO LONGER THREATENED BY SEVERE THUNDERSTORMS. THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 9 AM CDT TO THE NORTH AND EAST OF A LINE FROM BROOKINGS...HURON...AND MOBRIDGE. UMLAND
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 3:50 AM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 23 min |
| Jul 27, 5:39 AM CDT | Tornado Warning | FSD | Brookings | 36 min |
| Jul 27, 6:18 AM CDT | Severe Thunderstorm Warning | FSD | Brookings | 32 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1995Every severe thunderstorm warning in 1995
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.