Alert archive / South Dakota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Mar 19, 2012, 1:16 PM CDT for Brookings County, Moody County, South Dakota; Lincoln County, Pipestone County, Minnesota. It was in force for 29 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 19, 2012, 1:16 PM CDT (18:16 UTC)
- Expired
- Mar 19, 2012, 1:45 PM CDT
- In force
- 29 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 58.0 mph
Counties Lincoln County, MN, Pipestone County, MN, Brookings County, SD, Moody County, SD
The radar
The Sioux Falls radar (KFSD), 62 km from the middle of the area, began a volume at 18:18 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 19, 1:24 PM CDT | HAIL 1 | 5 Ene Flandreau, SD | QUARTER SIZE HAIL ON 228TH STREET. |
| Mar 19, 1:26 PM CDT | HAIL 0.75 | 5 Ne Flandreau, SD | PENNY SIZE HAIL |
| Mar 19, 1:28 PM CDT | HAIL 0.5 | 5 Sw Ward, SD | DIME SIZE HAIL COVERING THE GROUND |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 6.3 hours before the alert went out and 171 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
- 872 J/kg
- Mixed-layer CIN
- -169 J/kg
- Mixed-layer LCL
- 823 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 319 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
802 WUUS53 KFSD 191816 SVRFSD MNC081-117-SDC011-101-191845- /O.NEW.KFSD.SV.W.0001.120319T1816Z-120319T1845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 116 PM CDT MON MAR 19 2012 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN LINCOLN COUNTY IN SOUTHWEST MINNESOTA... EXTREME WESTERN PIPESTONE COUNTY IN SOUTHWEST MINNESOTA... SOUTHEASTERN BROOKINGS COUNTY IN EAST CENTRAL SOUTH DAKOTA... NORTHEASTERN MOODY COUNTY IN EAST CENTRAL SOUTH DAKOTA... * UNTIL 145 PM CDT * AT 116 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 8 MILES SOUTHEAST OF EGAN...OR 10 MILES WEST OF PIPESTONE...AND MOVING NORTH AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... WARD AROUND 135 PM CDT... ELKTON AROUND 140 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...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. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4427 9663 4427 9638 4387 9646 4394 9658 TIME...MOT...LOC 1816Z 179DEG 33KT 4397 9651 WIND...HAIL <58MPH 1.00IN $$ CHAPMAN
2 follow-up statements
657 WWUS53 KFSD 191829 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 129 PM CDT MON MAR 19 2012 MNC081-117-SDC011-101-191845- /O.CON.KFSD.SV.W.0001.000000T0000Z-120319T1845Z/ LINCOLN MN-PIPESTONE MN-MOODY SD-BROOKINGS SD- 129 PM CDT MON MAR 19 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN BROOKINGS...NORTHEASTERN MOODY...NORTHWESTERN PIPESTONE AND SOUTHWESTERN LINCOLN COUNTIES UNTIL 145 PM CDT... AT 127 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 5 MILES NORTHEAST OF FLANDREAU...OR 12 MILES NORTHWEST OF PIPESTONE...MOVING NORTH AT 45 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... WARD AROUND 135 PM CDT... ELKTON AROUND 140 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4400 9644 4407 9660 4427 9663 4427 9638 TIME...MOT...LOC 1827Z 178DEG 37KT 4410 9652 WIND...HAIL <58MPH 1.00IN $$
680 WWUS53 KFSD 191841 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 141 PM CDT MON MAR 19 2012 MNC081-117-SDC011-101-191851- /O.EXP.KFSD.SV.W.0001.000000T0000Z-120319T1845Z/ LINCOLN MN-PIPESTONE MN-MOODY SD-BROOKINGS SD- 141 PM CDT MON MAR 19 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BROOKINGS... NORTHEASTERN MOODY...NORTHWESTERN PIPESTONE AND SOUTHWESTERN LINCOLN COUNTIES WILL EXPIRE AT 145 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA...HOWEVER BRIEF HEAVY RAIN AND SMALL HAIL ARE STILL POSSIBLE WITH THIS THUNDERSTORM AS IT MOVES RAPIDLY NORTHWARD TOWARD HENDRICKS. LAT...LON 4400 9644 4407 9660 4427 9663 4427 9638 TIME...MOT...LOC 1841Z 180DEG 38KT 4426 9651 $$ CHAPMAN
Nearby
Severe Thunderstorm Warnings in South Dakota, 2012Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.