Alert archive / Missouri / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 21, NWS Springfield, MO

April 21, 2005McDonald County, Newton County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 21, 2005, 2:12 PM CDT for McDonald County, Newton 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, 2:12 PM CDT (19:12 UTC)
Expired
Apr 21, 2005, 3:15 PM CDT
In force
63 min
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

Counties McDonald County, MO, Newton County, MO

The radar

The Springfield radar (KSGF), 99 km from the middle of the area, began a volume at 19:15 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.

IssuedProductOfficeLasted
Apr 21, 1:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.2 hours before the alert went out and 55 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2005-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 780 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2005-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
780 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
696 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 211912
SVRSGF
MOC119-145-212015-
/O.NEW.KSGF.SV.W.0021.050421T1912Z-050421T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
212 PM CDT THU APR 21 2005

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCDONALD COUNTY IN SOUTHWEST MISSOURI.
  NEWTON COUNTY IN SOUTHWEST MISSOURI.

* UNTIL 315 PM CDT.

* AT 207 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 5 MILES SOUTHEAST OF BAXTER
  SPRINGS TO SULPHUR SPRINGS...AND MOVING NORTHEAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE...
  NEAR GOODMAN BY 230 PM CDT.
  NEAR SHOAL CREEK DRIVE BY 240 PM CDT.
  NEAR LEAWOOD BY 245 PM CDT.
  NEAR SAGINAW BY 250 PM CDT.
  NEAR SILVER CREEK BY 255 PM CDT.
  NEAR DIAMOND BY 310 PM CDT.

THE TOWNS OF RACINE...CLIFF VILLAGE...REDINGS MILL...SHOAL CREEK
ESTATES...DENNIS ACRES...STELLA...STARK CITY...NEWTONIA AND RITCHEY
ARE ALSO IN THE PATH OF THESE SEVERE THUNDERSTORMS.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE HAIL...DAMAGING WINDS AND DEADLY CLOUD TO
GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3705 9461 3656 9460 3664 9413 3704 9411

$$

SAW
4 follow-up statements
000 
WWUS53 KSGF 211925
SVSSGF

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

MOC119-145-212015-
/O.CON.KSGF.SV.W.0021.000000T0000Z-050421T2015Z/
NEWTON MO-MCDONALD MO-
223 PM CDT THU APR 21 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES FOR MCDONALD AND NEWTON
COUNTIES UNTIL 315 PM CDT...

AT 219 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WALNUT
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM SHOAL CREEK DRIVE TO
ANDERSON...AND MOVING NORTHEAST AT 20 MPH.

SEVERE THUNDERSTORMS WILL BE...
  NEAR SILVER CREEK BY 230 PM CDT.
  NEAR NEOSHO BY 240 PM CDT.
  NEAR DIAMOND BY 255 PM CDT.
  NEAR GRANBY BY 305 PM CDT.
  5 MILES WEST OF FAIRVIEW BY 315 PM CDT.

THE TOWNS OF REDINGS MILL...CLIFF VILLAGE...RACINE...SHOAL CREEK
ESTATES...DENNIS ACRES...POWELL...STELLA...STARK CITY...NEWTONIA AND
RITCHEY ARE ALSO IN THE PATH OF THIS LINE OF SEVERE THUNDERSTORMS.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE DESTRUCTIVE HAIL CAPABLE OF PRODUCING
SIGNIFICANT DAMAGE...ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE HAIL...DAMAGING WINDS AND DEADLY CLOUD TO
GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3706 9461 3650 9461 3651 9409 3705 9407

$$

SAW
000 
WWUS53 KSGF 211945
SVSSGF

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

MOC119-145-212015-
/O.CON.KSGF.SV.W.0021.000000T0000Z-050421T2015Z/
NEWTON MO-MCDONALD MO-
243 PM CDT THU APR 21 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES FOR MCDONALD AND NEWTON
COUNTIES UNTIL 315 PM CDT...

AT 241 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM SAGINAW TO PINEVILLE...AND 
MOVING NORTHEAST AT 20 MPH.  THE STRONGEST STORM IS LOCATED JUST 
NORTH OF GOODMAN IN SOUTHERN NEWTON COUNTY.

SEVERE THUNDERSTORMS WILL BE...
  NEAR DIAMOND BY 300 PM CDT.
  NEAR GRANBY BY 310 PM CDT.
  6 MILES WEST OF FAIRVIEW BY 315 PM CDT.

THE TOWNS OF SHOAL CREEK ESTATES...DENNIS ACRES...CLIFF VILLAGE...
REDINGS MILL...POWELL...STELLA...STARK CITY...NEWTONIA...RITCHEY AND
ROCKY COMFORT ARE ALSO IN THE PATH OF THIS LINE OF SEVERE 
THUNDERSTORMS.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE HAIL...DAMAGING WINDS AND DEADLY CLOUD TO
GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3705 9455 3651 9450 3651 9409 3704 9407

$$

SAW
000 
WWUS53 KSGF 212001
SVSSGF

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

MOC119-145-212015-
/O.CON.KSGF.SV.W.0021.000000T0000Z-050421T2015Z/
NEWTON MO-MCDONALD MO-
300 PM CDT THU APR 21 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES FOR MCDONALD AND NEWTON
COUNTIES UNTIL 315 PM CDT...

AT 258 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM DIAMOND TO 10 MILES
SOUTHWEST OF WHEATON...AND MOVING NORTHEAST AT 20 MPH.

AT 255 PM CDT...THE PUBLIC REPORTED DIME SIZE HAIL AT HIGHWAY HH AND 
HIGHWAY 59 NEAR NEOSHO.

SEVERE THUNDERSTORMS WILL BE...
  NEAR GRANBY BY 305 PM CDT.
  NEAR FAIRVIEW BY 315 PM CDT.

THE TOWNS OF POWELL...STELLA...STARK CITY...NEWTONIA...ROCKY COMFORT
AND RITCHEY ARE ALSO IN THE PATH OF THIS LINE OF SEVERE
THUNDERSTORMS.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE HAIL...DAMAGING WINDS AND DEADLY CLOUD TO
GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3704 9447 3653 9432 3651 9409 3704 9407

$$

SAW
000 
WWUS53 KSGF 212015
SVSSGF

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

MOC119-145-212024-
/O.EXP.KSGF.SV.W.0021.000000T0000Z-050421T2015Z/
NEWTON MO-MCDONALD MO-
314 PM CDT THU APR 21 2005

...THE SEVERE THUNDERSTORM WARNING FOR MCDONALD AND NEWTON COUNTIES
HAS BEEN ALLOWED TO EXPIRE...

AT 311 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED...AND NO
LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE 
SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER...A 
SPECIAL WEATHER STATEMENT WILL BE ISSUED FOR EASTERN PORTIONS OF 
NEWTON COUNTY...AS PENNY SIZED HAIL IS STILL POSSIBLE WITH THESE STORMS.

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 3704 9447 3653 9432 3651 9409 3704 9407

$$

SAW

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 7:08 PM CDTSevere Thunderstorm WarningSGFShannon52 min
Apr 21, 2:59 AM CDTSevere Thunderstorm WarningSGFDent61 min
Apr 21, 4:15 PM CDTFlash Flood WarningSGFOzark, Taney6 hr
Apr 21, 4:33 PM CDTSevere Thunderstorm WarningSGFDouglas57 min
Apr 21, 5:05 PM CDTSevere Thunderstorm WarningSGFWright41 min
Apr 21, 5:08 PM CDTSevere Thunderstorm WarningSGFPhelps37 min
Apr 21, 5:36 PM CDTSevere Thunderstorm WarningSGFTexas54 min
Apr 21, 6:48 PM CDTSevere Thunderstorm WarningSGFMaries42 min
Apr 21, 6:59 PM CDTTornado WarningSGFMaries61 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2005Every severe thunderstorm warning 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.