Alert archive / Missouri / Tornado Warnings in 2005

Tornado Warning 10, NWS Springfield, MO

April 21, 2005Jasper County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 21, 2005, 8:27 PM CDT for Jasper County, Missouri. It was in force for 63 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: Apr 21, 2005, 8:27 PM CDT (01:27 UTC)
Expired: Apr 21, 2005, 9:30 PM CDT
In force: 63 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Jasper County, MO

The radar

The Springfield radar (KSGF), 82 km from the middle of the area, began a volume at 01:27 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
Apr 21, 6:10 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.5 hours before the alert went out and 64 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1218 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1229 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KSGF 220128
TORSGF
MOC097-220230-
/O.NEW.KSGF.TO.W.0010.050422T0127Z-050422T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
828 PM CDT THU APR 21 2005

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN JASPER COUNTY IN SOUTHWEST MISSOURI.

* UNTIL 930 PM CDT.

* AT 823 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR PURCELL...OR 16 MILES NORTH OF JOPLIN...AND
  MOVING EAST AT 25 MPH.

* THIS TORNADIC STORM WILL BE...
  NEAR JASPER BY 840 PM CDT.

LAW ENFORCEMENT OFFICIALS HAVE RELAYED REPORTS UNOFFICIAL REPORTS OF 
A TORNADO ON THE GROUND WEST OF JASPER.

THE TOWNS OF CARYTOWN...MAPLE GROVE AND DUDENVILLE ARE ALSO IN THE
PATH OF THIS TORNADIC STORM.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3734 9448 3726 9447 3721 9407 3734 9409

$$

IZZI

5 follow-up statements

000 
WWUS53 KSGF 220136
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
836 PM CDT THU APR 21 2005

MOC097-220230-
/O.CON.KSGF.TO.W.0010.000000T0000Z-050422T0230Z/
JASPER MO-
836 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES FOR NORTHERN JASPER COUNTY UNTIL 930 
PM CDT...

AT 835 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED NEAR ALBA...OR 17 MILES NORTHEAST OF JOPLIN...AND 
MOVING EAST AT 20 MPH.

THIS DANGEROUS STORM WILL BE...
  NEAR JASPER BY 840 PM CDT.
  ALONG HIGHWAY 71 BETWEEN CARYTOWN AND JASPER BY 845 PM CDT.

THE TOWNS OF CARYTOWN...MAPLE GROVE AND DUDENVILLE ARE ALSO IN THE
PATH OF THIS TORNADO.

THIS IS A VERY DANGEROUS...RADAR STRONGLY INDICATES A TORNADO COULD 
ALREADY BE ON THE GROUND. TRAINED SPOTTERS HAVE REPORTED A WALL 
CLOUD WITH A FUNNEL CLOUD AT 825 PM.

MOBILE HOMES ARE EASILY DESTROYED BY TORNADIC WINDS AND SHOULD BE
EVACUATED FOR A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT
IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR
HANDS.

LAT...LON 3734 9442 3726 9442 3721 9407 3734 9409

$$

IZZI

000 
WWUS53 KSGF 220144
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
844 PM CDT THU APR 21 2005

MOC097-220230-
/O.CON.KSGF.TO.W.0010.000000T0000Z-050422T0230Z/
JASPER MO-
844 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES FOR JASPER COUNTY UNTIL 930 PM CDT...

AT 840 PM CDT...DOPPLER RADAR WAS TRACKING A TORNADIC STORM.  THE 
TORNADO WAS LOCATED JUST SOUTH OF JASPER...OR 17 MILES NORTHEAST OF 
JOPLIN...AND MOVING EAST AT 20 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN JASPER
COUNTY...INCLUDING THE TOWNS OF JASPER...CARYTOWN...MAPLE GROVE AND
AVILLA.

MOBILE HOMES ARE EASILY DESTROYED BY TORNADIC WINDS AND SHOULD BE
EVACUATED FOR A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT
IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR
HANDS.

LAT...LON 3735 9439 3726 9442 3712 9407 3734 9409

$$

IZZI

000 
WWUS53 KSGF 220156
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
856 PM CDT THU APR 21 2005

MOC097-220230-
/O.CON.KSGF.TO.W.0010.000000T0000Z-050422T0230Z/
JASPER MO-
856 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES FOR JASPER COUNTY UNTIL 930 PM CDT...

AT 853 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED 6 MILES SOUTHEAST OF JASPER...OR 19 MILES NORTHEAST
OF JOPLIN...AND MOVING EAST AT 20 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN JASPER
COUNTY...INCLUDING THE TOWNS OF MAPLE GROVE AND AVILLA.

MOBILE HOMES ARE EASILY DESTROYED BY TORNADIC WINDS AND SHOULD BE
EVACUATED FOR A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT
IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR
HANDS.

LAT...LON 3734 9429 3722 9431 3712 9407 3734 9409

$$

IZZI

000 
WWUS53 KSGF 220207
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
907 PM CDT THU APR 21 2005

MOC097-220230-
/O.CON.KSGF.TO.W.0010.000000T0000Z-050422T0230Z/
JASPER MO-
907 PM CDT THU APR 21 2005

...A TORNADO WARNING CONTINUES FOR JASPER COUNTY UNTIL 930 PM CDT...

AT 903 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED 8 MILES SOUTHEAST OF JASPER...OR 21 MILES NORTHEAST
OF JOPLIN...AND MOVING EAST AT 20 MPH.

RADAR IS GIVING STRONG INDICATIONS OF A TORNADO...THE TORNADO WILL 
MOVE DIRECTLY INTO THE MAPLE GROVE AREA. IF YOU LIVE IN MAPLE GROVE 
SEEK SHELTER IMMEDIATELY

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN JASPER 
COUNTY...INCLUDING THE TOWNS OF AVILLA AND DUDENVILLE.

MOBILE HOMES ARE EASILY DESTROYED BY TORNADIC WINDS AND SHOULD BE
EVACUATED FOR A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT
IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR
HANDS.

LAT...LON 3733 9422 3722 9427 3715 9407 3732 9408

$$

IZZI

000 
WWUS53 KSGF 220226
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
926 PM CDT THU APR 21 2005

MOC097-220236-
/O.CAN.KSGF.TO.W.0010.000000T0000Z-050422T0230Z/
JASPER MO-
926 PM CDT THU APR 21 2005

...THE TORNADO WARNING FOR JASPER COUNTY HAS BEEN CANCELLED...

AT 924 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE EITHER WEAKENED OR
MOVED OUT OF THE AREA...AND NO LONGER POSE AN IMMEDIATE THREAT TO
LIFE OR PROPERTY. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.

IF SEVERE WEATHER WAS OBSERVED...PLEASE REPORT IT TO THE NEAREST LAW
ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL
WEATHER SERVICE IN SPRINGFIELD.

LAT...LON 3733 9422 3722 9427 3715 9407 3732 9408

$$

IZZI

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 21, 7:20 PM CDT	Tornado Warning	SGF	Barton, Jasper	70 min
Apr 21, 8:30 PM CDT	Severe Thunderstorm Warning	SGF	Barton	60 min
Apr 21, 8:49 PM CDT	Severe Thunderstorm Warning	SGF	Newton	71 min
Apr 21, 9:04 PM CDT	Tornado Warning	SGF	Lawrence	71 min
Apr 21, 9:09 PM CDT	Severe Thunderstorm Warning	SGF	Dade	66 min
Apr 22, 12:15 AM CDT	Flash Flood Warning	SGF	Ozark, Taney	6 hr

Nearby

Tornado Warnings in Missouri, 2005 Every tornado warning in 2005 Tornadoes in 2005

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.