Alert archive / South Dakota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 80, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at May 5, 2012, 7:59 PM CDT for Charles Mix County, Gregory County, South Dakota. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 5, 2012, 7:59 PM CDT (00:59 UTC)
- Expired
- May 5, 2012, 8:45 PM CDT
- In force
- 46 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Charles Mix County, SD, Gregory County, SD
The radar
The North Platte radar (KLNX), 191 km from the middle of the area, began a volume at 00:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 5, 6:46 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 1.0 hours before the alert went out and 185 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 657 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
136 WUUS53 KFSD 060059 SVRFSD SDC023-053-060145- /O.NEW.KFSD.SV.W.0080.120506T0059Z-120506T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 759 PM CDT SAT MAY 5 2012 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN CHARLES MIX COUNTY IN SOUTH CENTRAL SOUTH DAKOTA... GREGORY COUNTY IN SOUTH CENTRAL SOUTH DAKOTA... * UNTIL 845 PM CDT * AT 758 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING WALNUT SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BURKE...OR 38 MILES NORTHWEST OF SPENCER...AND MOVING NORTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF GREGORY COUNTY NEAR AND NORTH OF BURKE...AND NORTHWESTERN CHARLES MIX COUNTIES SOUTHWEST OF ACADEMY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT SATURDAY EVENING FOR NORTHWESTERN IOWA AND NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. LAT...LON 4349 9924 4344 9878 4312 9931 4318 9946 TIME...MOT...LOC 0058Z 215DEG 20KT 4320 9930 WIND...HAIL 60MPH 1.50IN $$ CHAPMAN
2 follow-up statements
032 WWUS53 KFSD 060118 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 818 PM CDT SAT MAY 5 2012 SDC023-053-060145- /O.CON.KFSD.SV.W.0080.000000T0000Z-120506T0145Z/ GREGORY SD-CHARLES MIX SD- 818 PM CDT SAT MAY 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN CHARLES MIX AND NORTHERN GREGORY COUNTIES UNTIL 845 PM CDT... AT 817 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 7 MILES NORTHEAST OF BURKE...OR 35 MILES SOUTH OF KIMBALL...MOVING NORTHEAST AT 25 MPH. THIS STORM WILL AFFECT AREAS NORTH OF BURKE TO SOUTHWEST OF ACADEMY THROUGH 845 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4319 9919 4326 9929 4349 9924 4344 9878 TIME...MOT...LOC 0117Z 215DEG 20KT 4329 9922 WIND...HAIL <58MPH 1.00IN $$ CHAPMAN
004
WWUS53 KFSD 060135
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
835 PM CDT SAT MAY 5 2012
SDC053-060145-
/O.CAN.KFSD.SV.W.0080.000000T0000Z-120506T0145Z/
GREGORY SD-
835 PM CDT SAT MAY 5 2012
...THE SEVERE THUNDERSTORM WARNING FOR GREGORY COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4349 9924 4344 9878 4329 9903 4333 9908
4336 9910 4338 9913 4344 9917 4344 9925
TIME...MOT...LOC 0135Z 215DEG 20KT 4337 9914
$$
SDC023-060145-
/O.CON.KFSD.SV.W.0080.000000T0000Z-120506T0145Z/
CHARLES MIX SD-
835 PM CDT SAT MAY 5 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
CHARLES MIX COUNTY UNTIL 845 PM CDT...
AT 835 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED 15 MILES NORTHEAST OF BURKE...OR 28 MILES SOUTH OF
KIMBALL...MOVING NORTHEAST AT 25 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS EXHIBITED SOME WEAK ROTATION. TORNADOES CAN DEVELOP
QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE... SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
LAT...LON 4349 9924 4344 9878 4329 9903 4333 9908
4336 9910 4338 9913 4344 9917 4344 9925
TIME...MOT...LOC 0135Z 215DEG 20KT 4337 9914
WIND...HAIL <58MPH 1.00IN
$$
CHAPMANThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 7:05 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, McCook, Miner | 25 min |
| May 5, 7:29 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Lake, McCook, Miner, Sanborn | 46 min |
| May 5, 7:30 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Miner, Sanborn | 45 min |
| May 5, 7:37 PM CDT | Flash Flood Warning | FSD | Davison, Hanson, Miner, Sanborn | 7 hr |
| May 5, 7:41 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 36 min |
| May 5, 8:11 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Lake, McCook, Miner, Minnehaha and 1 more | 49 min |
| May 5, 8:16 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 29 min |
| May 5, 8:42 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 48 min |
| May 5, 8:46 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix | 44 min |
| May 5, 8:57 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Hanson, Lake, McCook, Miner, Minnehaha and 1 more | 48 min |
| May 5, 9:05 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury, Miner, Sanborn | 25 min |
| May 5, 9:07 PM CDT | Flash Flood Warning | FSD | Lake, Miner | 7 hr |
| May 5, 9:26 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury, Miner, Sanborn | 23 min |
| May 5, 9:27 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 28 min |
| May 5, 9:29 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 46 min |
| May 5, 9:42 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Minnehaha, Moody | 48 min |
| May 5, 10:02 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury, Miner, Sanborn | 28 min |
| May 5, 10:07 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 38 min |
| May 5, 10:15 PM CDT | Flash Flood Warning | FSD | Moody | 4 hr |
| May 5, 10:28 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Minnehaha, Moody | 62 min |
| May 5, 10:31 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake, Miner | 29 min |
| May 5, 10:57 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake | 33 min |
| May 5, 11:08 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Lake, McCook, Miner | 37 min |
| May 5, 11:25 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake, Moody | 65 min |
| May 5, 11:45 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Miner, Minnehaha | 45 min |
| May 6, 12:22 AM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Minnehaha, Moody | 38 min |
| May 6, 1:08 AM CDT | Areal Flood Warning | FSD | Brookings, Hanson, Kingsbury, Lake, McCook, Miner and 2 more | 33 hr |
| May 6, 4:08 AM CDT | River Flood Warning | FSD | Moody | 23 hr |
| May 6, 4:45 AM CDT | River Flood Warning | FSD | Brookings, Moody | 29 hr |
| May 6, 4:45 AM CDT | River Flood Warning | FSD | Minnehaha, Moody | 3 days |
| May 6, 4:45 AM CDT | River Flood Warning | FSD | Minnehaha | 4 days |
| May 6, 4:45 AM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 4 days |
| May 6, 4:45 AM CDT | River Flood Warning | FSD | Lincoln, Union | 7 days |
| May 6, 4:45 AM CDT | River Flood Warning | FSD | Union | 7 days |
| May 6, 8:24 AM CDT | River Flood Warning | FSD | McCook | 4 days |
| May 6, 10:31 AM CDT | River Flood Warning | FSD | Davison, Hanson | 7 days |
| May 6, 10:31 AM CDT | River Flood Warning | FSD | Hutchinson, Yankton | 5 days |
| May 6, 10:31 AM CDT | River Flood Warning | FSD | Yankton | 44 hr |
| May 6, 10:31 AM CDT | River Flood Warning | FSD | Turner | 71 hr |
| May 6, 10:31 AM CDT | River Flood Warning | FSD | Turner | 5 days |
| May 6, 10:31 AM CDT | River Flood Warning | FSD | Clay | 7 days |
| May 6, 6:58 PM CDT | River Flood Warning | FSD | Minnehaha | 3 days |
Nearby
Severe Thunderstorm Warnings in South Dakota, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.