Alert archive / Missouri / Special Weather Statements in 2011

Special Weather Statement, NWS Springfield, MO

June 15, 2011Dallas County, Polk County, Missouri

NWS Springfield, MO issued this special weather statement at Jun 15, 2011, 1:16 AM CDT for Dallas County, Polk County, Missouri. It was in force for 29 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 15, 2011, 1:16 AM CDT (06:16 UTC)
Expired: Jun 15, 2011, 1:45 AM CDT
In force: 29 min
Issued by: NWS Springfield, MO

Counties Dallas County, MO, Polk County, MO

The radar

The Springfield radar (KSGF), 42 km from the middle of the area, began a volume at 06:17 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, 6.3 hours before the alert went out and 90 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: 2959 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 1347 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 205 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 14.6

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 Jun 15, 12:55 AM CDT, 21 minutes earlier.

Area forecast discussion, Jun 15, 12:55 AM CDT, 21 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Jun 14, 10:28 PM CDT, 2 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1028 PM CDT TUE JUN 14 2011

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-160330-
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-
1028 PM CDT TUE JUN 14 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...ELEVATED.

WEATHER HAZARDS EXPECTED...

  ELEVATED HAIL RISK.
  ELEVATED THUNDERSTORM WIND RISK.
  LIMITED LIGHTNING RISK.

DISCUSSION...

  THUNDERSTORMS CONTINUE TO DEVELOP ACROSS NORTHEASTERN OKLAHOMA
  THIS EVENING ALONG AND AHEAD OF A SURFACE COLD FRONT. THIS COLD
  FRONT ALONG WITH AN UPPER LEVEL SHORTWAVE WILL CONTINUE TO TRACK
  EAST INTO THE AREA LATE THIS EVENING INTO THE OVERNIGHT HOURS. A
  CAP STILL REMAINS OVER THE AREA...HOWEVER INSTABILITY HAS
  INCREASED ABOVE THIS CAP. STORMS WILL LIKELY PUSH INTO EXTREME
  SOUTHEAST KANSAS AND FAR SOUTHWESTERN MISSOURI LATE THIS
  EVENING. LARGE HAIL TO THE SIZE OF QUARTERS AND DAMAGING WIND
  GUSTS TO 60 MPH WILL BE THE PRIMARY RISKS WITH THIS ACTIVITY.

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

  THE COLD FRONT WILL LIKELY BE PUSHING ACROSS SOUTHERN MISSOURI
  WEDNESDAY MORNING...WHERE A LIMITED SEVERE RISK FOR DAMAGING
  WINDS AND LARGE HAIL WILL EXIST.

  THUNDERSTORMS WILL BE POSSIBLE THURSDAY NIGHT AND FRIDAY AS A
  WARM FRONT LIFTS BACK TO THE NORTH THROUGH THE REGION. A FEW
  STRONG STORMS MAY BE POSSIBLE WITH THIS ACTIVITY. AFTERNOON
  HEAT INDEX VALUES IN THE MID 90S WILL BE POSSIBLE FROM FRIDAY
  THROUGH MONDAY.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION MAY BE NEEDED LATE THIS EVENING ACROSS
  EXTREME SOUTHEAST KANSAS AND FAR SOUTHWESTERN MISSOURI AND
  THEN ACROSS THE REST OF THE AREA OVERNIGHT.

&&

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)

WISE

In the hours before

Local storm report, Jun 15, 12:14 AM CDT, 1 hour 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1214 AM CDT WED JUN 15 2011

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

1208 AM     TSTM WND GST     1 S REPUBLIC            37.11N 93.48W
06/15/2011  E60 MPH          GREENE             MO   NWS EMPLOYEE

&&

DSA

Local storm report, Jun 15, 12:20 AM CDT, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1220 AM CDT WED JUN 15 2011

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

1205 AM     HAIL             BILLINGS                37.07N 93.55W
06/15/2011  E0.88 INCH       CHRISTIAN          MO   AMATEUR RADIO

1213 AM     HAIL             REPUBLIC                37.12N 93.48W
06/15/2011  E0.50 INCH       GREENE             MO   AMATEUR RADIO

            MAIN AND HWY 60.

&&

DSA

Local storm report, Jun 15, 12:31 AM CDT, 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1231 AM CDT WED JUN 15 2011

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

1221 AM     TSTM WND GST     5 SSE WILLARD           37.24N 93.39W
06/15/2011  M51.00 MPH       GREENE             MO   ASOS

            KSGF ASOS.

&&

DSA

Local storm report, Jun 15, 12:48 AM CDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1248 AM CDT WED JUN 15 2011

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

1230 AM     TSTM WND DMG     1 WNW SPRINGFIELD       37.21N 93.31W
06/15/2011                   GREENE             MO   AMATEUR RADIO

            THREE INCH LIMBS DOWN NEAR FORT AND WALNUT.

&&

DSA

Local storm report, Jun 15, 12:52 AM CDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1252 AM CDT WED JUN 15 2011

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

1227 AM     TSTM WND DMG     1 WNW SPRINGFIELD       37.21N 93.31W
06/15/2011                   GREENE             MO   AMATEUR RADIO

            THREE INCH LIMBS DOWN NEAR FORT AND WALNUT.

&&

DSA

Special weather statement, Jun 15, 1:16 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
116 AM CDT WED JUN 15 2011

MOZ079>081-090-150645-
GREENE MO-LACLEDE MO-POLK MO-DALLAS MO-
116 AM CDT WED JUN 15 2011

...SIGNIFICANT WEATHER ADVISORY FOR DALLAS...NORTHWESTERN GREENE...
NORTHWESTERN LACLEDE AND SOUTHEASTERN POLK COUNTIES UNTIL 145 AM
CDT...

AT 108 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM POLK TO WALNUT
GROVE...MOVING EAST AT 30 MPH. NICKEL SIZE HAIL...AND WINDS AROUND 50
MPH ARE EXPECTED WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE BOLIVAR...BRIGHTON...BUFFALO...CAVE
SPRINGS...EUDORA...FOOSE...GOODSON...HALF WAY...LEADMINE...
LOUISBURG...MARCH...MORRISVILLE...OLIVE...PLAD...PLEASANT HOPE...
POLK...PUMPKIN CENTER...SACVILLE...TUNAS...URBANA...WALNUT GROVE AND
WINDYVILLE.

OTHER LOCATIONS IN THIS SIGNIFICANT WEATHER ADVISORY INCLUDE BENNETT
SPRING STATE PARK AND STOCKTON LAKE.

PEOPLE IN DALLAS...NORTHWESTERN GREENE...NORTHWESTERN LACLEDE AND
SOUTHEASTERN POLK COUNTIES...INCLUDING WALNUT GROVE...BOLIVAR...
STOCKTON LAKE...MORRISVILLE...PLEASANT HOPE AND BUFFALO...SHOULD
MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS
AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER
THREATEN.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 AM CDT
WEDNESDAY MORNING FOR SOUTHERN MISSOURI.

LAT...LON 3735 9362 3744 9362 3781 9326 3780 9319
      3788 9318 3788 9272 3734 9320
TIME...MOT...LOC 0616Z 263DEG 25KT 3776 9321 3742 9354

KARDELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 14, 11:26 PM CDT	Special Weather Statement	SGF	Newton	34 min
Jun 14, 11:37 PM CDT	Special Weather Statement	SGF	Lawrence	23 min
Jun 14, 11:57 PM CDT	Special Weather Statement	SGF	Greene	33 min
Jun 15, 12:04 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene	41 min
Jun 15, 1:43 AM CDT	Severe Thunderstorm Warning	SGF	Camden, Maries, Miller, Pulaski	33 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.