Alert archive / Missouri / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 354, NWS Springfield, MO

June 28, 2011Webster County, Wright County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jun 28, 2011, 2:55 AM CDT for Webster County, Wright County, Missouri. It was in force for 50 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
Jun 28, 2011, 2:55 AM CDT (07:55 UTC)
Expired
Jun 28, 2011, 3:45 AM CDT
In force
50 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 57 km from the middle of the area, began a volume at 07:54 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.9 hours before the alert went out and 103 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 00:00Z on 2011-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3014 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2011-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.193958Sfc1 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
3014 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1146 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.5

Open this sounding in Storm Lab

The text

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

322 
WUUS53 KSGF 280755
SVRSGF
MOC225-229-280845-
/O.NEW.KSGF.SV.W.0354.110628T0755Z-110628T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
255 AM CDT TUE JUN 28 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WEBSTER COUNTY IN SOUTHWEST MISSOURI...
  WEST CENTRAL WRIGHT COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 345 AM CDT.

* AT 254 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES SOUTHEAST OF MARSHFIELD...MOVING EAST
  AT 20 MPH. THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL...
  AND DAMAGING WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DUNCAN BY 325 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...IF YOU ARE IN ITS PATH SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

&&

LAT...LON 3739 9262 3717 9263 3721 9296 3735 9296
TIME...MOT...LOC 0756Z 280DEG 18KT 3728 9286
WIND...HAIL 60MPH 1.00IN

$$

GRIFFIN
2 follow-up statements
873 
WWUS53 KSGF 280816
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
316 AM CDT TUE JUN 28 2011

MOC225-229-280845-
/O.CON.KSGF.SV.W.0354.000000T0000Z-110628T0845Z/
WEBSTER MO-WRIGHT MO-
316 AM CDT TUE JUN 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM CDT
FOR WEST CENTRAL WRIGHT AND EAST CENTRAL WEBSTER COUNTIES...

AT 314 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR DUNCAN...OR 11 MILES SOUTHEAST OF
MARSHFIELD...MOVING EAST AT 25 MPH. THIS STORM IS CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.

LAT...LON 3736 9286 3739 9262 3717 9263 3720 9285
TIME...MOT...LOC 0816Z 276DEG 21KT 3726 9272
WIND...HAIL 60MPH 1.00IN

$$

GRIFFIN
268 
WWUS53 KSGF 280839
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
339 AM CDT TUE JUN 28 2011

MOC225-229-280848-
/O.EXP.KSGF.SV.W.0354.000000T0000Z-110628T0845Z/
WEBSTER MO-WRIGHT MO-
339 AM CDT TUE JUN 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL WRIGHT AND EAST 
CENTRAL WEBSTER COUNTIES WILL EXPIRE AT 345 AM CDT. A NEW SEVERE 
THUNDERSTORM WARNING HAS BEEN ISSUED FOR PORTIONS OF WRIGHT COUNTY 
FOR THE STORM PREVIOUSLY IN WEBSTER COUNTY...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING IS EXITING THE WARNED AREA...
THUS THE WARNING IS BEING ALLOWED TO EXPIRE.

LAT...LON 3736 9286 3739 9262 3717 9263 3720 9285
TIME...MOT...LOC 0838Z 276DEG 21KT 3725 9256

$$

GRIFFIN

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 12:17 AM CDT, 2 hours 38 minutes earlier.

Area forecast discussion, Jun 28, 12:17 AM CDT, 2 hours 38 minutes before
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Hazardous weather outlook, Jun 28, 1:47 AM CDT, 1 hour 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
147 AM CDT TUE JUN 28 2011

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-290700-
BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON-
ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS-
LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-
LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE-
TANEY-OZARK-OREGON-
147 AM CDT TUE JUN 28 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI
OZARKS AND EXTREME SOUTHEAST KANSAS.

.DAY ONE...TONIGHT.

THE HAZARDOUS WEATHER RISK LEVEL IS...LIMITED.

WEATHER HAZARDS EXPECTED...

 LIMITED HAIL RISK.
 LIMITED THUNDERSTORM WIND DAMAGE RISK.
 LIMITED LIGHTNING RISK.
 LIMITED FLOODING RISK.

DISCUSSION...

SCATTERED TO NUMEROUS THUNDERSTORMS WILL DEVELOP OVERNIGHT INTO
THE PREDAWN HOURS FROM EXTREME SOUTHEAST KANSAS INTO FAR SOUTHERN
MISSOURI. THESE STORMS WILL IMPACT AREAS MAINLY SOUTH OF A LINE
FROM PITTSBURG KANSAS TO SALEM MISSOURI. THESE STORMS MAY CONGEAL
INTO A LARGE CLUSTER AS THEY SPREAD EAST. WHILE THE RISK OF SEVERE
WEATHER IS LIMITED...ANY SEVERE STORM THAT DEVELOPS WILL BE
CAPABLE OF PRODUCING HAIL TO THE SIZE OF QUARTERS AND WINDS TO 60
MPH. VERY HEAVY RAINFALL WILL ALSO ACCOMPANY THESE STORMS...AND
LOCALIZED FLOODING WILL BE POSSIBLE WHERE STORMS TRAIN OVER THE
SAME AREAS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

A FEW THUNDERSTORMS WILL BE POSSIBLE SOUTH OF U.S. 60 ON TUESDAY.
NO WIDESPREAD SEVERE WEATHER IS EXPECTED. A FEW THUNDERSTORMS
WILL ALSO BE POSSIBLE LATE TUESDAY NIGHT AND WEDNESDAY MORNING
OVER FAR WESTERN MISSOURI AND SOUTHEASTERN KANSAS. NO SEVERE
WEATHER IS EXPECTED WITH THESE STORMS AT THIS TIME.

ON WEDNESDAY THROUGH SATURDAY...TEMPERATURES WILL WARM INTO THE
MID 90S TO AROUND 100 DEGREES ACROSS THE REGION. HEAT INDICES
ABOVE 100 DEGREES WILL BE COMMON ON AN AFTERNOON BASIS.

.SPOTTER INFORMATION STATEMENT...

 SPOTTER ACTIVATION IS NOT EXPECTED OVERNIGHT DUE TO THE ISOLATED
 NATURE OF ANY SEVERE WEATHER THAT DEVELOPS.

&&

THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH
OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WWW.CRH.NOAA.GOV/SGF(ALL LOWERCASE)

FOSTER

In the hours before

Special weather statement, Jun 28, 1:32 AM CDT, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
132 AM CDT TUE JUN 28 2011

KSZ097-101-MOZ077-088-280715-
CHEROKEE KS-CRAWFORD KS-BARTON MO-JASPER MO-
132 AM CDT TUE JUN 28 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CHEROKEE...
NORTHWESTERN JASPER...SOUTHEASTERN CRAWFORD AND SOUTHWESTERN BARTON
COUNTIES UNTIL 215 AM CDT...

AT 128 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR CHEROKEE...MOVING EAST AT 20 MPH. PENNY SIZE
HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM WILL BE NEAR...
  PITTSBURG BY 140 AM CDT.
  OPOLIS BY 155 AM CDT.
  ASBURY BY 200 AM CDT.
  NASHVILLE BY 215 AM CDT.

LAT...LON 3742 9448 3723 9449 3731 9483 3741 9483
TIME...MOT...LOC 0633Z 280DEG 18KT 3735 9475

GRIFFIN
Special weather statement, Jun 28, 2:23 AM CDT, 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
223 AM CDT TUE JUN 28 2011

MOZ077-088-089-280800-
BARTON MO-JASPER MO-DADE MO-
223 AM CDT TUE JUN 28 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN JASPER...
SOUTHEASTERN BARTON AND WESTERN DADE COUNTIES UNTIL 300 AM CDT...

AT 221 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 4 MILES SOUTH OF KENOMA...OR 8 MILES SOUTHEAST OF
LAMAR. THIS STORM WAS NEARLY STATIONARY. PENNY SIZE HAIL...AND WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM WILL BE NEAR...
  KENOMA...BOSTON...6 MILES WEST OF GOLDEN CITY AND 8 MILES SOUTHEAST
  OF LAMAR BY 300 AM CDT.

LAT...LON 3752 9442 3751 9391 3729 9391 3729 9406
      3732 9443
TIME...MOT...LOC 0723Z 180DEG 0KT 3739 9421

GRIFFIN
Special weather statement, Jun 28, 2:42 AM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
242 AM CDT TUE JUN 28 2011

MOZ090-091-280830-
GREENE MO-WEBSTER MO-
242 AM CDT TUE JUN 28 2011

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN GREENE AND WEBSTER
COUNTIES UNTIL 330 AM CDT...

AT 240 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR NORTHEASTERN SPRINGFIELD...OR 8 MILES WEST
OF STRAFFORD...MOVING EAST AT 20 MPH. PENNY SIZE HAIL...AND WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

THIS STORM WILL BE NEAR...
  TURNERS AND 7 MILES SOUTH OF BASSVILLE BY 300 AM CDT.
  STRAFFORD BY 305 AM CDT.
  8 MILES NORTH OF ROGERSVILLE BY 320 AM CDT.
  NORTHVIEW BY 325 AM CDT.
  6 MILES NORTH OF FORDLAND...8 MILES NORTHWEST OF DIGGINS AND 8
  MILES SOUTHWEST OF MARSHFIELD BY 330 AM CDT.

INTERSTATE 44 BETWEEN MILE MARKERS 70 AND 102 WILL ALSO BE IMPACTED
BY THIS STORM.

LAT...LON 3743 9276 3707 9277 3713 9343 3734 9342
TIME...MOT...LOC 0742Z 274DEG 16KT 3725 9324

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 8:21 PM CDTSpecial Weather StatementSGFShannon24 min
Jun 28, 2:23 AM CDTSpecial Weather StatementSGFBarton37 min
Jun 28, 2:42 AM CDTSpecial Weather StatementSGFGreene, Webster48 min
Jun 28, 3:04 AM CDTSpecial Weather StatementSGFNewton26 min
Jun 28, 3:11 AM CDTSpecial Weather StatementSGFDade49 min
Jun 28, 3:25 AM CDTSevere Thunderstorm WarningSGFBarry, Lawrence50 min
Jun 28, 3:28 AM CDTSevere Thunderstorm WarningSGFChristian, Douglas47 min
Jun 28, 3:33 AM CDTSevere Thunderstorm WarningSGFWright42 min
Jun 28, 3:44 AM CDTSevere Thunderstorm WarningSGFDouglas, Ozark46 min
Jun 28, 4:04 AM CDTSevere Thunderstorm WarningSGFDouglas, Ozark, Taney41 min
Jun 28, 4:06 AM CDTSevere Thunderstorm WarningSGFBarry, Stone39 min
Jun 28, 4:37 AM CDTSevere Thunderstorm WarningSGFDouglas, Howell, Oregon, Ozark38 min
Jun 28, 4:43 AM CDTSevere Thunderstorm WarningSGFBarry, Stone, Taney34 min
Jun 28, 4:46 AM CDTSpecial Weather StatementSGFOzark, Taney44 min
Jun 28, 4:55 AM CDTSpecial Weather StatementSGFTexas50 min
Jun 28, 5:13 AM CDTSpecial Weather StatementSGFOzark47 min
Jun 28, 5:54 AM CDTSpecial Weather StatementSGFOregon36 min
Jun 28, 2:19 PM CDTExcessive Heat WatchSGFBarry, Barton, Benton, Camden, Cedar, Christian and 17 more38 hr

Nearby

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

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.