Severe Thunderstorm Warning 48, NWS Sioux Falls, SD

Issued

Apr 10, 2011, 12:47 AM CDT (05:47 UTC)

Expired

Apr 10, 2011, 1:15 AM CDT

In force

28 min

Issued by

NWS Sioux Falls, SD

Area

Storm-based polygon

Hail

1.0 in

Wind

58.0 mph

Counties Cherokee County, IA, Ida County, IA

The Omaha radar (KOAX), 139 km from the middle of the area, began a volume at 05:49 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.

938 
WUUS53 KFSD 100547
SVRFSD
IAC035-093-100615-
/O.NEW.KFSD.SV.W.0048.110410T0547Z-110410T0615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1247 AM CDT SUN APR 10 2011

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CHEROKEE COUNTY IN NORTHWEST IOWA...
  IDA COUNTY IN NORTHWEST IOWA...

* UNTIL 115 AM CDT

* AT 1247 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  QUARTER SIZE HAIL.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM WASHTA TO DANBURY...AND MOVING EAST AT 50 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  QUIMBY AND HOLSTEIN AROUND 1255 AM CDT...
  IDA GROVE AROUND 100 AM CDT...
  AURELIA AND GALVA AROUND 105 AM CDT...
  ARTHUR AROUND 110 AM 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.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
NORTHWEST IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA AND
SOUTHEASTERN SOUTH DAKOTA. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 500 AM CDT SUNDAY MORNING FOR NORTHWEST IOWA.

LAT...LON 4222 9568 4247 9568 4248 9575 4256 9575
      4256 9585 4270 9585 4272 9540 4249 9538
      4247 9536 4222 9532 4221 9534 4220 9542
TIME...MOT...LOC 0547Z 263DEG 44KT 4257 9573 4221 9567
WIND...HAIL <58MPH 1.00IN

$$

CJ

174 
WWUS53 KFSD 100557
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1257 AM CDT SUN APR 10 2011

IAC035-093-100615-
/O.CON.KFSD.SV.W.0048.000000T0000Z-110410T0615Z/
CHEROKEE IA-IDA IA-
1257 AM CDT SUN APR 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR IDA AND
SOUTHERN CHEROKEE COUNTIES UNTIL 115 AM CDT...

AT 1258 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6
MILES NORTHWEST OF QUIMBY TO 6 MILES SOUTH OF BATTLE CREEK...MOVING
EAST AT 50 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  AURELIA...GALVA AND ARTHUR AROUND 110 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH 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.

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 4222 9568 4247 9568 4248 9575 4256 9575
      4256 9585 4270 9585 4272 9540 4249 9538
      4247 9536 4222 9532 4221 9534 4220 9542
TIME...MOT...LOC 0558Z 263DEG 44KT 4268 9567 4224 9551
WIND...HAIL <58MPH 1.00IN

$$

CJ

059 
WWUS53 KFSD 100612
SVSFSD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
112 AM CDT SUN APR 10 2011

IAC035-093-100623-
/O.EXP.KFSD.SV.W.0048.000000T0000Z-110410T0615Z/
CHEROKEE IA-IDA IA-
112 AM CDT SUN APR 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR IDA AND SOUTHERN CHEROKEE
COUNTIES WILL EXPIRE AT 115 AM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING WERE MOVING OUT OF THE
WARNED AREA.

LAT...LON 4222 9568 4247 9568 4248 9575 4256 9575
      4256 9585 4270 9585 4272 9540 4249 9538
      4247 9536 4222 9532 4221 9534 4220 9542
TIME...MOT...LOC 0613Z 263DEG 44KT 4270 9542 4226 9527

$$

CJ

Severe Thunderstorm Warnings in Iowa, 2011Every severe thunderstorm warning in 2011

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.