Alert archive / Missouri / Special Weather Statements in 2011

Special Weather Statement, NWS Springfield, MO

July 30, 2011Dent County, Missouri

NWS Springfield, MO issued this special weather statement at Jul 30, 2011, 3:30 PM CDT for Dent County, Missouri. It was in force for 30 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: Jul 30, 2011, 3:30 PM CDT (20:30 UTC)
Expired: Jul 30, 2011, 4:00 PM CDT
In force: 30 min
Issued by: NWS Springfield, MO

County Dent County, MO

The radar

The St Louis radar (KLSX), 130 km from the middle of the area, began a volume at 20:31 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 12:00Z, 8.5 hours before the alert went out and 228 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: 2029 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1301 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 17 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.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 30, 2:59 PM CDT, 31 minutes earlier.

Area forecast discussion, Jul 30, 2:59 PM CDT, 31 minutes before

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Hazardous weather outlook, Jul 30, 12:53 PM CDT, 2 hours 37 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1253 PM CDT SAT JUL 30 2011

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-311800-
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-
1253 PM CDT SAT JUL 30 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...EXTREME.

WEATHER HAZARDS EXPECTED...

  LIMITED THUNDERSTORM WIND DAMAGE RISK.
  LIMITED FLOODING RISK.
  LIMITED LIGHTNING RISK.
  ELEVATED TO LOCALLY EXTREME EXCESSIVE HEAT RISK.

DISCUSSION...

  SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON ACROSS
  THE OUTLOOK AREA. FREQUENT CLOUD TO GROUND LIGHTNING AND GUSTY
  WINDS CAN BE EXPECTED FROM THESE THUNDERSTORMS. WHILE WIDESPREAD
  SEVERE WEATHER IS NOT EXPECTED...A FEW WIND GUSTS EXCEEDING 60
  MPH WILL BE POSSIBLE WITH THE STRONGEST STORMS. IN
  ADDITION...THE COMBINATION OF A MOIST AIRMASS AND THE EXPECTED
  SLOW MOVEMENT OF THUNDERSTORMS WILL RESULT IN THE POTENTIAL FOR
  TORRENTIAL RAINFALL AND LOCALIZED FLASH FLOODING.

  EXCESSIVE HEAT WILL CONTINUE ACROSS THE REGION THIS AFTERNOON.
  HEAT INDICES BETWEEN 103 AND 107 CAN BE EXPECTED TODAY...WITH
  THE WARMEST READINGS OVER SOUTHEASTERN KANSAS AND EXTREME
  WESTERN MISSOURI.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

  OPPRESSIVE HEAT AND HUMIDITY WILL CONTINUE THROUGH AT LEAST
  WEDNESDAY EVENING ACROSS THE AREA. AIR TEMPERATURES BETWEEN 95
  AND 103 DEGREES CAN BE EXPECTED EACH AFTERNOON...WITH HEAT
  INDICES BETWEEN 103 AND 110 DEGREES. THE WARMEST CONDITIONS CAN
  BE EXPECTED OVER SOUTHEASTERN KANSAS AND FAR WESTERN
  MISSOURI...AS WELL AS ACROSS THE TRUMAN LAKE AND LAKE OF THE
  OZARKS REGION OF CENTRAL MISSOURI.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

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)

GRIFFIN

In the hours before

Special weather statement, Jul 30, 1:18 PM CDT, 2 hours 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
118 PM CDT SAT JUL 30 2011

MOZ058-301900-
MARIES MO-
118 PM CDT SAT JUL 30 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN MARIES COUNTY UNTIL
200 PM CDT...

AT 107 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 6 MILES WEST OF BELLE...OR 15 MILES SOUTH OF
LINN...MOVING SOUTHEAST AT 15 MPH. WIND GUSTS OF 50 MPH CAN BE
EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE BELLE.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

LAT...LON 3829 9163 3816 9164 3810 9167 3823 9199
      3830 9195 3830 9165
TIME...MOT...LOC 1813Z 295DEG 12KT 3826 9181

DSA

Special weather statement, Jul 30, 1:30 PM CDT, 2 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
130 PM CDT SAT JUL 30 2011

MOZ081-301915-
LACLEDE MO-
130 PM CDT SAT JUL 30 2011

...SIGNIFICANT WEATHER ADVISORY FOR LACLEDE COUNTY UNTIL 215 PM
CDT...

AT 122 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR LEBANON...MOVING EAST AT 10 MPH. WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE COMPETITION...DRY KNOB...EXTREME
SOUTHWESTERN FORT LEONARD WOOD...FALCON...LEBANON...LYNCHBURG...
MORGAN AND TWIN BRIDGES.

INTERSTATE 44 BETWEEN MILE MARKERS 118 AND 133 WILL ALSO BE IMPACTED
BY THIS STORM.

HEAVY RAINS MAY QUICKLY FLOOD LOW LYING AREAS SUCH AS CREEKS...
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS AS AUTOMOBILES CAN QUICKLY STALL.

LAT...LON 3750 9276 3759 9276 3776 9268 3776 9249
      3773 9241 3771 9241 3764 9225 3754 9225
      3748 9225
TIME...MOT...LOC 1830Z 289DEG 10KT 3765 9260

DSA

Special weather statement, Jul 30, 1:57 PM CDT, 1 hour 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
157 PM CDT SAT JUL 30 2011

MOZ091-301945-
WEBSTER MO-
157 PM CDT SAT JUL 30 2011

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL WEBSTER COUNTY UNTIL 245
PM CDT...

AT 151 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 3 MILES NORTHWEST OF NORTHVIEW...OR 6 MILES WEST
OF MARSHFIELD...MOVING EAST AT 15 MPH. WINDS AROUND 50 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE MARSHFIELD...NIANGUA AND NORTHVIEW.

INTERSTATE 44 BETWEEN MILE MARKERS 91 AND 102 WILL ALSO BE IMPACTED
BY THIS STORM.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

LAT...LON 3721 9306 3727 9306 3727 9308 3744 9307
      3740 9272 3719 9273
TIME...MOT...LOC 1857Z 281DEG 11KT 3733 9300

DSA

Local storm report, Jul 30, 2:19 PM CDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
219 PM CDT SAT JUL 30 2011

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

0145 PM     TSTM WND DMG     3 SSW SPRINGFIELD       37.16N 93.30W
07/30/2011                   GREENE             MO   911 CALL CENTER

            A WINDOW WAS BLOWN OUT OF A BUSINESS...A TRAFFIC SIGN WAS
            PARTIALLY DETACHED FROM ITS MOUNTING...AND NUMEROUS POWER
            OUTAGES KNOCKED OUT TRAFFIC SIGNALS. TIME OF EVENT
            ESTIMATED.

&&

KARDELL

Special weather statement, Jul 30, 2:59 PM CDT, 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
259 PM CDT SAT JUL 30 2011

MOZ082-083-098-302045-
DENT MO-SHANNON MO-TEXAS MO-
259 PM CDT SAT JUL 30 2011

...SIGNIFICANT WEATHER ADVISORY FOR DENT...NORTHEASTERN TEXAS AND
NORTHWESTERN SHANNON COUNTIES UNTIL 345 PM CDT...

AT 253 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CLUSTER OF STRONG THUNDERSTORM 6 MILES WEST OF DARIEN...OR 11 MILES
SOUTHWEST OF SALEM...MOVING EAST AT 10 MPH. WINDS AROUND 50 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE AKERS...ANUTT...BANGERT...DARIEN...
GLADDEN...HOWES MILL...HOWES...JADWIN...LAKE SPRING...LECOMA...
LENOX...MONTAUK...SALEM...SLIGO...STONE HILL AND TURTLE.

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS.

LAT...LON 3759 9131 3733 9132 3734 9182 3779 9180
      3779 9161 3779 9157 3779 9156 3779 9130
      3771 9130 3770 9128 3759 9130
TIME...MOT...LOC 1958Z 273DEG 8KT 3755 9167

DSA

Special weather statement, Jul 30, 3:30 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 4:17 AM CDT	Excessive Heat Warning	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 28 more	9 days
Jul 30, 1:13 PM CDT	Special Weather Statement	SGF	Maries	47 min
Jul 30, 1:18 PM CDT	Special Weather Statement	SGF	Maries	42 min
Jul 30, 1:30 PM CDT	Special Weather Statement	SGF	Laclede	45 min
Jul 30, 1:37 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Pulaski	38 min
Jul 30, 1:57 PM CDT	Special Weather Statement	SGF	Webster	48 min
Jul 30, 2:16 PM CDT	Severe Thunderstorm Warning	SGF	Phelps, Pulaski	31 min
Jul 30, 2:52 PM CDT	Severe Thunderstorm Warning	SGF	Phelps, Pulaski	38 min
Jul 30, 2:59 PM CDT	Special Weather Statement	SGF	Dent	46 min
Jul 30, 3:04 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	41 min
Jul 30, 4:18 PM CDT	Special Weather Statement	SGF	Shannon	27 min

Nearby

Special Weather Statements in Missouri, 2011 Every special weather statement 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.