Alert archive / Missouri / Special Weather Statements in 2011

Special Weather Statement, NWS Springfield, MO

October 11, 2011Stone County, Missouri

NWS Springfield, MO issued this special weather statement at Oct 11, 2011, 7:37 PM CDT for Stone County, Missouri. It was in force for 23 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
Oct 11, 2011, 7:37 PM CDT (00:37 UTC)
Expired
Oct 11, 2011, 8:00 PM CDT
In force
23 min
Issued by
NWS Springfield, MO

County Stone County, MO

The radar

The Springfield radar (KSGF), 73 km from the middle of the area, began a volume at 00:40 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, 0.6 hours before the alert went out and 57 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 2011-10-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 276 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 2011-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
276 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1250 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
98 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 Oct 11, 7:00 PM CDT, 37 minutes earlier.

Area forecast discussion, Oct 11, 7:00 PM CDT, 37 minutes before
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Hazardous weather outlook, Oct 11, 12:05 PM CDT, 7 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1205 PM CDT TUE OCT 11 2011

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-121715-
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-
1205 PM CDT TUE OCT 11 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

WEATHER HAZARDS EXPECTED...

 LIMITED LIGHTNING RISK
 LIMITED HAIL RISK
 LIMITED THUNDERSTORM WIND RISK.

DISCUSSION...

ISOLATED THUNDERSTORMS WILL BE POSSIBLE TODAY AND TONIGHT OVER
EXTREME SOUTHEASTERN KANSAS AND THE MISSOURI OZARKS. OCCASIONAL CLOUD
TO GROUND LIGHTNING IS THE PRIMARY HAZARD EXPECTED...HOWEVER...THERE
IS A LIMITED RISK FOR ISOLATED STRONG TO SEVERE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY INTO WEDNESDAY EVENING
AHEAD OF A COLD FRONT THAT WILL ENTER THE REGION FROM THE WEST. A
FEW STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY
AFTERNOON AND EVENING. HAIL TO THE SIZE OF QUARTERS AND LOCALLY
DAMAGING WIND GUSTS ARE THE PRIMARY HAZARDS EXPECTED.

GUSTY NORTHWEST WINDS AND LOW RELATIVE HUMIDITY VALUES WILL
RESULT IN ELEVATED FIRE WEATHER DANGER ACROSS THE OUTLOOK AREA ON
THURSDAY.

.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)

COLUCCI

In the hours before

Special weather statement, Oct 11, 1:39 PM CDT, 5 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
139 PM CDT TUE OCT 11 2011

MOZ089-094-111915-
DADE MO-LAWRENCE MO-
139 PM CDT TUE OCT 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN LAWRENCE AND
SOUTHEASTERN DADE COUNTIES UNTIL 215 PM CDT...

AT 136 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 4 MILES EAST OF MILLER...OR 8 MILES NORTH OF
MOUNT VERNON...MOVING NORTHEAST AT 20 MPH. PENNY SIZE HAIL...AND
WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

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

LAT...LON 3719 9393 3736 9380 3733 9369 3728 9362
      3709 9373
TIME...MOT...LOC 1839Z 211DEG 16KT 3723 9377

DSA
Special weather statement, Oct 11, 2:24 PM CDT, 5 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
224 PM CDT TUE OCT 11 2011

MOZ101-112000-
MCDONALD MO-
224 PM CDT TUE OCT 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN MCDONALD COUNTY UNTIL 300
PM CDT...

AT 221 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR LANAGAN...OR 5 MILES NORTHWEST OF
PINEVILLE...MOVING NORTHEAST AT 15 MPH. PENNY SIZE HAIL...AND WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE ANDERSON...GOODMAN...LANAGAN AND
PINEVILLE.

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

LAT...LON 3675 9452 3675 9429 3652 9441 3660 9461
TIME...MOT...LOC 1923Z 208DEG 11KT 3664 9446

DSA
Special weather statement, Oct 11, 5:14 PM CDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
514 PM CDT TUE OCT 11 2011

MOZ102-112245-
BARRY MO-
514 PM CDT TUE OCT 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN BARRY COUNTY UNTIL 545
PM CDT...

AT 512 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 4 MILES WEST OF BUTTERFIELD...OR 7 MILES
NORTHWEST OF CASSVILLE...MOVING NORTHEAST AT 15 MPH. PENNY SIZE HAIL
IS EXPECTED WITH THIS STORM.

THUNDERSTORMS POSE A VARIETY OF HAZARDS TO THOSE OUTDOORS...INCLUDING
HAIL... STRONG WINDS THAT CAN CREATE DANGEROUS FLYING PROJECTILES AND
DEBRIS...AS WELL AS DEADLY CLOUD TO GROUND LIGHTNING. IF YOU ARE IN
THE PATH OF THIS STORM...MOVE INDOORS TO A STURDY SHELTER
IMMEDIATELY.

LAT...LON 3693 9391 3692 9365 3680 9361 3665 9396
      3676 9407
TIME...MOT...LOC 2214Z 222DEG 12KT 3675 9397

HATCH
Special weather statement, Oct 11, 5:39 PM CDT, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
539 PM CDT TUE OCT 11 2011

MOZ102-112315-
BARRY MO-
539 PM CDT TUE OCT 11 2011

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN BARRY COUNTY UNTIL 615 PM
CDT...

AT 537 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR CASSVILLE...MOVING NORTHEAST AT 20 MPH.
PENNY SIZE HAIL...AND WINDS AROUND 45 MPH ARE EXPECTED WITH THIS
STORM. THIS ADVISORY IS A CONTINUATION OF THE PREVIOUS ADVISORY IN
EFFECT FOR BARRY COUNTY.

THUNDERSTORMS POSE A VARIETY OF HAZARDS TO THOSE OUTDOORS...INCLUDING
HAIL... STRONG WINDS THAT CAN CREATE DANGEROUS FLYING PROJECTILES AND
DEBRIS...AS WELL AS DEADLY CLOUD TO GROUND LIGHTNING. IF YOU ARE IN
THE PATH OF THIS STORM...MOVE INDOORS TO A STURDY SHELTER
IMMEDIATELY.

LAT...LON 3668 9392 3693 9387 3692 9362 3690 9361
      3682 9361 3682 9358 3672 9358 3658 9380
TIME...MOT...LOC 2239Z 214DEG 18KT 3670 9382

HATCH
Special weather statement, Oct 11, 7:37 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 5:13 PM CDTSpecial Weather StatementSGFVernon32 min
Oct 12, 5:22 PM CDTSpecial Weather StatementSGFDade23 min
Oct 12, 5:28 PM CDTSevere Thunderstorm WarningSGFDade, Lawrence47 min
Oct 12, 5:33 PM CDTSpecial Weather StatementSGFMcDonald27 min
Oct 12, 5:48 PM CDTSevere Thunderstorm WarningSGFCedar, St. Clair, Vernon42 min
Oct 12, 5:55 PM CDTSpecial Weather StatementSGFBenton35 min
Oct 12, 6:20 PM CDTSpecial Weather StatementSGFBarry40 min
Oct 12, 6:24 PM CDTSevere Thunderstorm WarningSGFCedar32 min
Oct 12, 6:32 PM CDTSpecial Weather StatementSGFLawrence28 min
Oct 12, 6:47 PM CDTSpecial Weather StatementSGFTaney28 min
Oct 12, 6:50 PM CDTSpecial Weather StatementSGFBenton40 min
Oct 12, 6:55 PM CDTSpecial Weather StatementSGFPolk35 min

Nearby

Special Weather Statements in Missouri, 2011Every 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.