Alert archive / Missouri / Special Weather Statements in 2016

Special Weather Statement, NWS Springfield, MO

October 20, 2016Ozark County, Missouri

NWS Springfield, MO issued this special weather statement at Oct 20, 2016, 1:37 AM CDT for Ozark County, Missouri. It was in force for 38 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 20, 2016, 1:37 AM CDT (06:37 UTC)
Expired
Oct 20, 2016, 2:15 AM CDT
In force
38 min
Issued by
NWS Springfield, MO

County Ozark County, MO

The radar

The Springfield radar (KSGF), 97 km from the middle of the area, began a volume at 06:38 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, 6.6 hours before the alert went out and 112 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 2016-10-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1368 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 2016-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.19395878Sfc1 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
1368 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
482 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.8

Open this sounding in Storm Lab

The text

As transmitted.

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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 20, 12:28 AM CDT, 1 hour 9 minutes earlier.

Area forecast discussion, Oct 20, 12:28 AM CDT, 1 hour 9 minutes before
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Hazardous weather outlook, Oct 19, 8:31 PM CDT, 5 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE SPRINGFIELD MO
831 PM CDT WED OCT 19 2016

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-210145-
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-
831 PM CDT WED OCT 19 2016

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

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED...

  LIMITED HAIL RISK.
  LIMITED FLOODING RISK.
  ELEVATED TO SIGNIFICANT LIGHTNING RISK.

DISCUSSION...

  SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE ACROSS THE
  MISSOURI OZARKS THIS EVENING. FREQUENT CLOUD TO GROUND
  LIGHTNING AND LOCALLY HEAVY RAINFALL CAN BE EXPECTED WITH
  THESE STORMS. THERE IS A LIMITED THREAT FOR BRIEF FLASH
  FLOODING GENERALLY ALONG AND SOUTH OF THE INTERSTATE 44
  CORRIDOR. A FEW STORMS MAY ALSO PRODUCE SMALL HAIL.

  THUNDERSTORMS WILL THEN DIMINISH FROM NORTHWEST TO SOUTHEAST
  ACROSS THE AREA FROM LATE THIS EVENING INTO THE OVERNIGHT
  PERIOD.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

  A DRIER AND COOLER PATTERN TAKES SHAPE THROUGH LATE WEEK.
  WARMER AND GRADUALLY MORE MOIST AIR WILL BEGIN PUSHING BACK
  INTO THE REGION BY EARLY WEEK NEXT WEEK. SHOWERS AND PERHAPS A
  THUNDERSTORM OR TWO WILL BE ON THE INCREASE BY AROUND MIDWEEK
  NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

MORE DETAILED INFORMATION CAN BE ACCESSED AT:
HTTP://WWW.WEATHER.GOV/SGF/SITREP(ALL LOWERCASE)

THIS PRODUCT IN GRAPHICAL FORMAT...ALONG WITH OTHER WEATHER...
HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WWW.WEATHER.GOV/SGF(ALL LOWERCASE)

SCHAUMANN

In the hours before

Special weather statement, Oct 19, 9:34 PM CDT, 4 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
934 PM CDT WED OCT 19 2016

MOZ091-200300-
WEBSTER MO-
934 PM CDT WED OCT 19 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN WEBSTER COUNTY UNTIL
1000 PM CDT...

AT 934 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
MARSHFIELD...MOVING NORTHEAST AT 50 MPH.

DIME SIZE HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MARSHFIELD...                     NIANGUA...
RADER...                          NORTHVIEW...

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 92 AND 107.

LAT...LON 3735 9307 3748 9282 3748 9269 3729 9269
      3720 9304
TIME...MOT...LOC 0234Z 247DEG 45KT 3731 9289

SCHAUMANN
Local storm report, Oct 19, 10:00 PM CDT, 3 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1000 PM CDT WED OCT 19 2016

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

0945 PM     HAIL             BUFFALO                 37.64N 93.09W
10/19/2016  E1.00 INCH       DALLAS             MO   EMERGENCY MNGR

            NICKLE TO QUARTER SIZE HAIL FELL FOR 5 TO 10 MINUTES.

&&

HATCH
Local storm report, Oct 20, 12:12 AM CDT, 1 hour 25 minutes before
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Special weather statement, Oct 20, 1:37 AM 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 19, 8:55 PM CDTAreal Flood AdvisorySGFChristian, Greene, Lawrence5 hr
Oct 19, 9:12 PM CDTAreal Flood AdvisorySGFLaclede, Maries, Phelps, Pulaski, Webster, Wright6 hr
Oct 19, 9:34 PM CDTSpecial Weather StatementSGFWebster26 min
Oct 19, 9:38 PM CDTSevere Thunderstorm WarningSGFDallas26 min
Oct 19, 11:25 PM CDTSevere Thunderstorm WarningSGFMcDonald17 min
Oct 19, 11:51 PM CDTAreal Flood AdvisorySGFDent, Phelps, Texas4 hr

Nearby

Special Weather Statements in Missouri, 2016Every special weather statement in 2016

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.