Severe Thunderstorm Warning 89, NWS Sioux Falls, SD

Issued

May 5, 2012, 9:29 PM CDT (02:29 UTC)

Expired

May 5, 2012, 10:15 PM CDT

In force

46 min

Issued by

NWS Sioux Falls, SD

Area

Storm-based polygon

Hail

1.25 in

Wind

70.0 mph

Counties Lincoln County, MN, Brookings County, SD

The Sioux Falls radar (KFSD), 110 km from the middle of the area, began a volume at 02:29 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.

110 
WUUS53 KFSD 060229
SVRFSD
MNC081-SDC011-060315-
/O.NEW.KFSD.SV.W.0089.120506T0229Z-120506T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
929 PM CDT SAT MAY 5 2012

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN LINCOLN COUNTY IN SOUTHWEST MINNESOTA...
  NORTHEASTERN BROOKINGS COUNTY IN EAST CENTRAL SOUTH DAKOTA...

* UNTIL 1015 PM CDT

* AT 930 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR
  SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM
  WAS LOCATED NEAR WHITE...OR 14 MILES NORTHEAST OF BROOKINGS...AND
  MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HENDRICKS AROUND 950 PM CDT...
  IVANHOE AND ARCO AROUND 1015 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.

THIS IS A SUPERCELL THUNDERSTORM. DUE TO THE ROTATING NATURE OF THESE
STORMS...THEY ARE CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER...
INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS AND
POSSIBLY TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...PREFERABLY INTO
AN INTERIOR ROOM...SUCH AS A BATHROOM OR A CLOSET...OR INTO A
BASEMENT.

&&

LAT...LON 4455 9610 4454 9608 4444 9608 4436 9608
      4437 9671 4455 9671 4455 9646 4462 9646
      4464 9640 4464 9609
TIME...MOT...LOC 0230Z 270DEG 19KT 4447 9658
WIND...HAIL 70MPH 1.25IN

$$

JH

900 
WWUS53 KFSD 060257
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
957 PM CDT SAT MAY 5 2012

MNC081-SDC011-060315-
/O.CON.KFSD.SV.W.0089.000000T0000Z-120506T0315Z/
LINCOLN MN-BROOKINGS SD-
957 PM CDT SAT MAY 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
BROOKINGS AND NORTHERN LINCOLN COUNTIES UNTIL 1015 PM CDT...

AT 957 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND 
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR 
IVANHOE...OR 24 MILES WEST OF MARSHALL...MOVING EAST AT 40 MPH. A 
SECOND STORM WAS DEVELPING SOUTHWEST OF WHITE...ALSO MOVING 
NORTHEAST AT 40 MPH.

THIS SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF
NORTHEASTERN BROOKINGS AND NORTHERN LINCOLN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A SUPERCELL THUNDERSTORM. DUE TO THE ROTATING NATURE OF
SUPERCELLS...THEY ARE CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER...INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE
WINDS AND POSSIBLY TORNADOES. BE PREPARED TO ACT QUICKLY SHOULD A
TORNADO OCCUR OR A TORNADO WARNING BE ISSUED.

&&

LAT...LON 4455 9610 4454 9608 4444 9608 4436 9608
      4437 9671 4455 9671 4455 9646 4462 9646
      4464 9640 4464 9609
TIME...MOT...LOC 0257Z 257DEG 34KT 4451 9620
WIND...HAIL 70MPH 1.00IN

$$
JH

Severe Thunderstorm Warnings in Minnesota, 2012Severe Thunderstorm Warnings in South Dakota, 2012Every severe thunderstorm warning in 2012

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.