Alert archive / Missouri / Special Weather Statements in 2011

Special Weather Statement, NWS Springfield, MO

July 4, 2011Douglas County, Missouri

NWS Springfield, MO issued this special weather statement at Jul 4, 2011, 10:37 PM CDT for Douglas 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
Jul 4, 2011, 10:37 PM CDT (03:37 UTC)
Expired
Jul 4, 2011, 11:00 PM CDT
In force
23 min
Issued by
NWS Springfield, MO

County Douglas County, MO

The radar

The Springfield radar (KSGF), 88 km from the middle of the area, began a volume at 03:40 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, 3.6 hours before the alert went out and 119 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 2011-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1294 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 2011-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
1294 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1614 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
155 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 4, 5:39 PM CDT, 4 hours 58 minutes earlier.

Area forecast discussion, Jul 4, 5:39 PM CDT, 4 hours 58 minutes before
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Jul 4, 7:58 PM CDT, 2 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
758 PM CDT MON JUL 4 2011

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-060100-
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-
758 PM CDT MON JUL 4 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 EXTREME HEAT RISK.

DISCUSSION...

ISOLATED STORMS WILL STILL BE POSSIBLE THROUGH THE LATE EVENING
HOURS ACROSS THE MISSOURI OZARKS AND SOUTHEAST KANSAS. ANY
THUNDERSTORM WIND GUSTS OR HAIL SHOULD REMAIN BELOW SEVERE
LIMITS.

HEAT INDEX VALUES WILL DROP BACK INTO THE 80S THIS EVENING BUT
WILL REMAIN IN THE LOW TO MID 90S UNTIL LATE THIS EVENING.

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

ANOTHER FRONT MOVING SOUTH THROUGH THE REGION WILL BRING
ADDITIONAL THUNDERSTORM CHANCES WEDNESDAY AND THURSDAY. ISOLATED
STRONG TO SEVERE STORMS WILL BE POSSIBLE...WITH DAMAGING WIND
GUSTS THE PRIMARY SEVERE WEATHER RISK.

ANOTHER HOT AND MUGGY DAY IS EXPECTED ACROSS THE REGION
TUESDAY...WITH HEAT INDEX VALUES EXPECTED TO PEAK AROUND 100
DEGREES DURING THE AFTERNOON. AFTER A BRIEF BREAK IN THE HEAT
DURING THE MID TO LATE PORTION OF THIS WEEK...ABOVE AVERAGE
TEMPERATURES WILL ONCE AGAIN SPREAD OVER THE REGION THIS WEEKEND
WITH HEAT INDEX VALUES RANGING BETWEEN 100 AND 105 DEGREES
SATURDAY AND SUNDAY AFTERNOON.

.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)

LINDENBERG

In the hours before

Special weather statement, Jul 4, 9:18 PM CDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
918 PM CDT MON JUL 4 2011

MOZ091-092-050245-
WEBSTER MO-WRIGHT MO-
918 PM CDT MON JUL 4 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN WEBSTER AND
NORTHWESTERN WRIGHT COUNTIES UNTIL 945 PM CDT...

AT 914 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES SOUTH OF RADER...OR 11 MILES EAST OF
MARSHFIELD...MOVING SOUTHEAST AT 15 MPH. PENNY SIZE HAIL...AND WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE DUNCAN...GROVESPRING...NIANGUA...ODIN AND
RADER.

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 3718 9270 3739 9286 3748 9271 3748 9265
      3734 9243
TIME...MOT...LOC 0219Z 323DEG 11KT 3737 9270

BOXELL
Special weather statement, Jul 4, 9:49 PM CDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
949 PM CDT MON JUL 4 2011

MOZ082-091-092-096-050315-
DOUGLAS MO-TEXAS MO-WEBSTER MO-WRIGHT MO-
949 PM CDT MON JUL 4 2011

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN WEBSTER...NORTHERN
DOUGLAS...SOUTHWESTERN TEXAS AND WRIGHT COUNTIES UNTIL 1015 PM CDT...

AT 948 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM DUNCAN TO MOUNTAIN
GROVE...MOVING SOUTH AT 15 MPH. PENNY SIZE HAIL...AND WINDS AROUND 50
MPH ARE EXPECTED WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE BENDAVIS...DAWSON...DIGGINS...DOGWOOD...
DUNCAN...GRAFF...HARTVILLE...MANSFIELD...MOUNTAIN GROVE...NORWOOD...
ODIN AND SEYMOUR.

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 THESE STORMS...MOVE INDOORS TO A STURDY SHELTER
IMMEDIATELY.

LAT...LON 3738 9286 3731 9217 3696 9213 3700 9287
TIME...MOT...LOC 0249Z 001DEG 13KT 3726 9274 3711 9221

BOXELL
Special weather statement, Jul 4, 10:37 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1037 PM CDT MON JUL 4 2011

MOZ092-096-050400-
DOUGLAS MO-WRIGHT MO-
1037 PM CDT MON JUL 4 2011

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL DOUGLAS AND SOUTHERN
WRIGHT COUNTIES UNTIL 1100 PM CDT...

AT 1036 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR NORWOOD...OR 12 MILES WEST OF MOUNTAIN
GROVE...MOVING SOUTHWEST AT 10 MPH. PENNY SIZE HAIL...AND WINDS
AROUND 50 MPH ARE EXPECTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE AVA...BRUSHYKNOB...DRURY...GENTRYVILLE...
MANSFIELD...NORWOOD...SQUIRES AND VANZANT.

PEOPLE IN CENTRAL DOUGLAS AND SOUTHERN WRIGHT COUNTIES...INCLUDING
NORWOOD...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

LAT...LON 3682 9277 3712 9265 3712 9225 3706 9225
      3706 9223 3680 9235
TIME...MOT...LOC 0337Z 033DEG 8KT 3709 9247

LINDENBERG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 9:18 PM CDTSpecial Weather StatementSGFWright27 min
Jul 4, 9:49 PM CDTSpecial Weather StatementSGFWright26 min
Jul 5, 12:02 AM CDTSevere Thunderstorm WarningSGFDallas, Laclede, Webster42 min
Jul 5, 1:20 AM CDTSpecial Weather StatementSGFHowell, Oregon40 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.