Alert archive / Missouri / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 201, NWS Springfield, MO

May 22, 2011Barry County, McDonald County, Newton County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 22, 2011, 7:06 PM CDT for Barry County, McDonald County, Newton County, Missouri. It was in force for 54 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: May 22, 2011, 7:06 PM CDT (00:06 UTC)
Expired: May 22, 2011, 8:00 PM CDT
In force: 54 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Barry County, MO, McDonald County, MO, Newton County, MO

The radar

The Springfield radar (KSGF), 70 km from the middle of the area, began a volume at 00:06 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 22, 1:27 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.1 hours before the alert went out and 19 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: 3961 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 641 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 3.7
Supercell composite: 15.9

Open this sounding in Storm Lab

The text

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

541 
WUUS53 KSGF 230006
SVRSGF
MOC009-119-145-230100-
/O.NEW.KSGF.SV.W.0201.110523T0006Z-110523T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
706 PM CDT SUN MAY 22 2011

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 800 PM CDT.

* AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A SEVERE THUNDERSTORM NEAR STELLA...OR 13 MILES SOUTHEAST OF
  NEOSHO...MOVING SOUTHEAST AT 45 MPH. THIS STORM IS CAPABLE OF
  PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60
  MPH. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL.

* LOCATIONS IMPACTED INCLUDE BUTTERFIELD...CASSVILLE...EAGLE ROCK...
  EXETER...FAIRVIEW...GOLDEN...JENKINS...MADRY...MCDOWELL...
  NEWTONIA...PIONEER...POWELL...PURDY...RIDGLEY...ROCKY COMFORT...
  SHELL KNOB...STARK CITY...STELLA...WASHBURN...WAYNE...WHEATON AND
  WHEELERVILLE.

OTHER LOCATIONS IN THE WARNING INCLUDE ROARING RIVER STATE PARK AND
TABLE ROCK LAKE. 

A TORNADO WARNING ALSO REMAINS IN EFFECT UNTIL 745 PM.

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.

DOPPLER RADAR HAS INDICATED SOME ROTATION WITH THIS STORM. WHILE NOT
IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. SEEK SHELTER
INDOORS AND AWAY FROM WINDOWS AS THIS STORM APPROACHES. A TORNADO MAY
DEVELOP WITH LITTLE ADVANCED WARNING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
SOUTHEAST KANSAS AND SOUTHERN MISSOURI.

&&

LAT...LON 3665 9430 3692 9424 3688 9361 3682 9361
      3682 9360 3649 9359
TIME...MOT...LOC 0006Z 293DEG 39KT 3676 9411
WIND...HAIL 60MPH 1.00IN

$$

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 May 22, 6:38 PM CDT, 28 minutes earlier.

Area forecast discussion, May 22, 6:38 PM CDT, 28 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPRINGFIELD MO
638 PM CDT SUN MAY 22 2011

...MESOSCALE CONVECTIVE DISCUSSION...

.DISCUSSION...

2330Z...TORNADIC STORM WHICH PUSHED THROUGH JOPLIN EARLIER IS
BEGINNING TO RECYCLE BACK UP AND WAS NOW PRODUCING A TORNADO NEAR
THE TOWN OF WENTWORTH IN SOUTHWEST LAWRENCE COUNTY. ENVIRONMENT
REMAINS RIPE FOR CONTINUED LARGE HAIL AND TORNADIC DEVELOPMENT AS
THESE STORMS SHIFT EAST ACROSS SOUTHWEST MISSOURI WITH 0-1KM SHEAR
VALUES OF 30-35KTS OF SHEAR AND SURFACE BASED CAPES OF
3000-4000J/KG.

CAP HAS BEEN BROKEN IN NORTHEAST OKLAHOMA AS WELL AND STORMS
ALREADY STARTING TO SHOW ROTATION. THESE STORMS WILL ALSO LIKELY
HEAD INTO SOUTHWEST MISSOURI WITH THE POTENTIAL OF LARGE HAIL AND
DAMAGING WINDS WITH THESE STORMS AS WELL.

LINDENBERG

&&

.AVIATION...

FOR THE 00Z TAFS...TORNADIC SUPERCELL HAS PUSHED THROUGH JOPLIN
WITHIN THE PAST HOUR AND CLUSTER OF CELLS CONTINUE TO PUSH EAST
TOWARDS SPRINGFIELD. CURRENTLY HAVE THE TSRA MOVING INTO SGF BY
00-01Z. CURRENT TRACK OF CIRCULATION WILL TAKE IT SOUTH OF SGF.
CLUSTER OF THUNDERSTORMS SHOULD PUSH EAST OF THE TAF AREAS BY 03-04Z.

LINDENBERG

&&

.SGF WATCHES/WARNINGS/ADVISORIES...
MO...NONE.
KS...NONE.
&&

Hazardous weather outlook, May 22, 3:06 PM CDT, 4 hours before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
306 PM CDT SUN MAY 22 2011

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-232015-
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-
306 PM CDT SUN MAY 22 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE HAZARDOUS WEATHER RISK LEVEL IS...SIGNIFICANT.

WEATHER HAZARDS EXPECTED...

  ELEVATED TORNADO RISK.
  SIGNIFICANT HAIL RISK.
  ELEVATED THUNDERSTORM WIND DAMAGE RISK.
  LIMITED FLOODING RISK.
  LIMITED NON THUNDERSTORM WIND RISK.
  ELEVATED LIGHTNING RISK.

DISCUSSION...

  STRONG AND GUSTY SOUTHERLY WINDS WITH WIND GUSTS OVER 30 MPH AT
  TIMES WILL CONTINUE ACROSS THE AREA THIS AFTERNOON. THE
  STRONGEST WINDS WILL GENERALLY BE ALONG AND WEST OF THE HIGHWAY
  65 CORRIDOR.

  THUNDERSTORMS CONTINUE TO DEVELOP ACROSS NORTHERN AND WESTERN
  MISSOURI...SOUTHEASTERN KANSAS...AND NORTHERN ARKANSAS THIS
  AFTERNOON. THUNDERSTORM DEVELOPMENT WILL CONTINUE TO SPREAD INTO
  FAR SOUTHEAST KANSAS AND SOUTHWEST MISSOURI ALONG AND AHEAD OF
  AN ADVANCING FRONTAL BOUNDARY. STORMS WILL CONTINUE TO SPREAD
  SOUTH AND EAST ACROSS THE REGION THROUGH THE LATE AFTERNOON AND
  EVENING AS THIS BOUNDARY INTERACTS WITH A CONTINUALLY INCREASING
  MOISTURE RICH ENVIRONMENT. INSTABILITY CONTINUES TO INCREASE
  ALONG WITH MODERATE WIND SHEAR...MAKING CONDITIONS SUFFICIENT
  FOR STRONG TO SEVERE THUNDERSTORMS. GREATEST THREATS ASSOCIATED
  WITH THESE STORMS CONTINUE TO BE STRONG STRAIGHT LINE WIND GUSTS
  AND LARGE HAIL...WITH THE POSSIBILITY OF SEVERAL STORMS
  PRODUCING HAIL THE SIZE OF GOLF BALLS. THERE IS ALSO REMAINS A
  RISK FOR ISOLATED TORNADOES THIS AFTERNOON AND EVENING.

  IN ADDITION TO THE SEVERE WEATHER THREAT...LOCALIZED FLASH
  FLOODING WILL BE POSSIBLE FOR ANY LOCATION THAT EXPERIENCES
  MULTIPLE ROUNDS OF THUNDERSTORMS IN A SHORT PERIOD OF TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

  ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE EACH DAY THROUGH
  THURSDAY. THERE WILL BE A THREAT OF STRONG TO SEVERE STORMS
  MONDAY THROUGH WEDNESDAY...CONDITIONAL ON THE DEVELOPMENT OF
  SUFFICIENT INSTABILITY. HAIL AND STRAIGHT LINE WINDS APPEAR TO
  BE THE PRIMARY THREATS WITH ANY STRONG STORMS AT THIS TIME.

  DAILY CHANCES FOR THUNDERSTORMS WILL RESULT IN A RISK FOR FLASH
  FLOODING...AS WELL AS RISES ON AREA RIVERS. FLOODING POTENTIAL
  WILL BE MAXIMIZED FOR THOSE LOCATIONS THAT EXPERIENCE MULTIPLE
  ROUNDS OF THUNDERSTORMS IN A SHORT PERIOD OF TIME.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION WILL LIKELY BE NEEDED ACROSS THE AREA THIS
  AFTERNOON INTO THIS EVENING ACROSS THE ENTIRE AREA.

&&

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)

KURTZ

In the hours before

Local storm report, May 22, 6:02 PM CDT, 1 hour 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
602 PM CDT SUN MAY 22 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0546 PM     TORNADO          2 SE JOPLIN             37.06N 94.49W
05/22/2011                   JASPER             MO   PUBLIC

            22ND AND BLACKCAT RD NEIGHBOHOOD MASSIVE DAMAGE BEING
            REPORTED TO HOUSES AND TREES WITH PEOPLE TRAPPED IN
            DEBRIS.

&&

MGRIFFIN

Local storm report, May 22, 6:03 PM CDT, 1 hour 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
603 PM CDT SUN MAY 22 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0602 PM     TORNADO          2 E JOPLIN              37.08N 94.48W
05/22/2011                   JASPER             MO   PUBLIC

            BETWEEN MILE MARKER 10 AND 12. TREES STIPED OF BARK. OVER
            20 SEMITRUCKS AND CARS FLIPPED OFF I-44. ALL INTERSTATE
            SIGNS GONE AND DAMAGE.

&&

MGRIFFIN

Local storm report, May 22, 6:31 PM CDT, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
631 PM CDT SUN MAY 22 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0630 PM     TORNADO          2 N PIERCE CITY         36.97N 94.00W
05/22/2011                   LAWRENCE           MO   PUBLIC

            PUBLIC REPORTS TORNADO ON THE GROUND JUST NORTH OF PIERCE
            CITY.

&&

MGRIFFIN

Local storm report, May 22, 6:39 PM CDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
639 PM CDT SUN MAY 22 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0639 PM     TORNADO          FREISTATT               37.02N 93.90W
05/22/2011                   LAWRENCE           MO   PUBLIC

            POSSIBLE TORNADO ON THE GROUND NEAR FREISTATT

&&

MGRIFFIN

Local storm report, May 22, 6:45 PM CDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
645 PM CDT SUN MAY 22 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0627 PM     TSTM WND DMG     WENTWORTH               36.99N 94.07W
05/22/2011                   NEWTON             MO   PUBLIC

            POWER POLES DOWN ACROSS HWY V AND IMPASSIBLE. POSSIBLE
            TORNADO DAMAGE.

&&

MGRIFFIN

Local storm report, May 22, 6:46 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
646 PM CDT SUN MAY 22 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0635 PM     TSTM WND DMG     1 N PIERCE CITY         36.96N 94.00W
05/22/2011                   LAWRENCE           MO   PUBLIC

            STRUCTURES DAMAGED ON HWY 97 NORTH OF PIERCE CITY.
            POSSIBLE TORNADO.

&&

MGRIFFIN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 7:01 PM CDT	Tornado Warning	SGF	McDonald	44 min
May 22, 7:08 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Miller, Morgan	67 min
May 22, 7:10 PM CDT	Flash Flood Warning	SGF	Barry, Christian, Lawrence, McDonald, Newton, Stone	6 hr
May 22, 7:28 PM CDT	Tornado Warning	SGF	Christian, Taney	47 min
May 22, 7:38 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	52 min
May 22, 7:41 PM CDT	Tornado Warning	SGF	McDonald	49 min
May 22, 7:46 PM CDT	Tornado Warning	SGF	McDonald	44 min
May 22, 8:02 PM CDT	Tornado Warning	SGF	Taney	28 min
May 22, 8:05 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Wright	40 min
May 22, 8:18 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	27 min
May 22, 8:24 PM CDT	Tornado Warning	SGF	Ozark	36 min
May 22, 8:28 PM CDT	Tornado Warning	SGF	McDonald	47 min
May 22, 8:46 PM CDT	Flash Flood Warning	SGF	Ozark, Taney	6 hr
May 22, 8:49 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	41 min
May 22, 8:57 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	63 min
May 22, 9:01 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Ozark	44 min
May 22, 9:11 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Douglas, Howell, Oregon, Shannon, Texas	64 min
May 22, 9:15 PM CDT	Tornado Warning	SGF	Douglas, Howell, Oregon, Ozark	30 min
May 22, 9:24 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon, Ozark	51 min
May 22, 9:57 PM CDT	Special Weather Statement	SGF	McDonald, Newton	33 min
May 22, 10:09 PM CDT	Special Weather Statement	SGF	Barry	36 min
May 22, 10:10 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	35 min
May 22, 10:55 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	65 min
May 22, 11:45 PM CDT	River Flood Warning	SGF	McDonald	57 hr
May 22, 11:54 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	66 min
May 23, 12:50 AM CDT	Flash Flood Warning	SGF	Barry, McDonald, Newton, Stone	9 hr
May 23, 1:42 AM CDT	Special Weather Statement	SGF	Stone	48 min
May 23, 3:36 AM CDT	Flash Flood Watch	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 28 more	63 hr
May 23, 7:47 AM CDT	Special Weather Statement	SGF	Jasper	43 min
May 23, 8:15 AM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	45 min
May 23, 8:35 AM CDT	Special Weather Statement	SGF	Vernon	40 min
May 23, 8:51 AM CDT	Severe Thunderstorm Warning	SGF	Barton, Cedar, St. Clair, Vernon	39 min
May 23, 8:56 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Jasper, Lawrence, McDonald, Newton	49 min
May 23, 9:17 AM CDT	Severe Thunderstorm Warning	SGF	Cedar, Hickory, Polk, St. Clair	31 min
May 23, 9:38 AM CDT	Flash Flood Warning	SGF	Barry, Jasper, Lawrence, McDonald, Newton, Stone	8 hr
May 23, 9:43 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Hickory, Polk	18 min
May 23, 9:55 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas, Hickory, Laclede	36 min
May 23, 10:29 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Dent, Laclede, Maries, Miller, Morgan and 3 more	45 min
May 23, 10:53 AM CDT	Severe Thunderstorm Warning	SGF	Dent, Maries, Miller, Phelps, Pulaski	44 min
May 23, 12:59 PM CDT	Special Weather Statement	SGF	Howell, Shannon	61 min
May 23, 1:09 PM CDT	Tornado Warning	SGF	Howell, Oregon, Ozark	66 min
May 23, 1:43 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	20 min
May 23, 1:47 PM CDT	Tornado Warning	SGF	Howell, Oregon, Shannon	43 min
May 23, 1:58 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	47 min
May 23, 2:11 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	33 min
May 23, 2:28 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	62 min
May 23, 3:26 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Barton, Dade, Jasper, Lawrence, Newton	47 min
May 23, 4:02 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	41 min
May 23, 4:16 PM CDT	Severe Thunderstorm Warning	SGF	Jasper, Newton	43 min
May 23, 4:28 PM CDT	River Flood Warning	SGF	Shannon	16 hr
May 23, 4:28 PM CDT	River Flood Warning	SGF	Stone	17 hr
May 23, 5:12 PM CDT	Special Weather Statement	SGF	Jasper	33 min
May 23, 5:51 PM CDT	Flash Flood Warning	SGF	Barry, Jasper, McDonald, Newton	16 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2011 Every 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.