Alert archive / Louisiana / Special Weather Statements in 2012

Special Weather Statement, NWS Jackson, MS

June 14, 2012Richland Parish, Louisiana

NWS Jackson, MS issued this special weather statement at Jun 14, 2012, 4:57 PM CDT for Richland Parish, Louisiana. 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: Jun 14, 2012, 4:57 PM CDT (21:57 UTC)
Expired: Jun 14, 2012, 5:35 PM CDT
In force: 38 min
Issued by: NWS Jackson, MS

County Richland Parish, LA

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 10.0 hours before the alert went out and 169 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: 814 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -21 m²/s²
0-3 km storm-relative helicity: 26 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 Jackson, MS wrote its last area forecast discussion before this special weather statement went out at Jun 14, 3:25 PM CDT, 1 hour 32 minutes earlier.

Area forecast discussion, Jun 14, 3:25 PM CDT, 1 hour 32 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
325 PM CDT THU JUN 14 2012

.DISCUSSION...NOT AN OVERLY ACTIVE SHORT TERM...BUT THERE DOES EXIST
THE POTENTIAL FOR GREATER ACTIVITY ON FRI WITH A MORE QUIET PERIOD
FOR THE WEEKEND.

CURRENTLY THE CWA HAS AN OLD SFC BOUNDARY DRAPED ACROSS THE S/SW
PORTION TODAY WHICH IS SEPARATING NEAR 70 TO LOWER 60 SFC DEWPTS.
AIRMASS TO THE S OF THE BOUNDARY HAS RICH MOISTURE CONTENT WITH PWS
1.8-1.9 IN. ADDING TO THOSE FEATURES ARE SOME LEFTOVER MCV'S FROM
PREV DAYS CONVECTION. THE FIRST WAS NOTED ACROSS THE FAR SW PART OF
OUR CWA AND HAS SHOWN RECENT INDICATIONS OF MOVING W/NW. THE OTHER
IS IN THE NE GULF JUST OFF THE FL COAST. THE SYSTEM NEAREST TO THE
CWA HAS WORKED WITH THE SFC BOUNDARY TO TRIGGER STORMS OUTSIDE OF
THE CWA. THERE WAS MORE OF A MID CLOUD DECK LINGERING OVER OUR AREA
TO LIMIT SFC HEATING AND NOW THAT THIS IS ERODING...PRECIP POTENTIAL
ACROSS OUR SW AREAS WILL INCREASE FOR LATE AFTERNOON/EVE. AS FOR
TEMPS...GUID WAS A TAD TOO LOW AND HAVE ADJ A FEW LOCATIONS UPWARD
FOR TONIGHT. THE COMBINATION OF INCREASING SFC MOISTURE AND
MID/UPPER CLOUDS SHOULD KEEP READINGS A BIT WARMER.

FOR FRI...THE AREA WILL STILL SEE LIFTING INFLUENCES FROM THE
LEFTOVER MCV'S WHICH WILL PROVIDE NICE CYCLONIC FLOW PATTERN ALOFT.
THERE WILL ALSO BE THE OLD SFC BOUNDARY NEAR AND A NICE CONTRAST IN
AIRMASS. THE EXTRA INGREDIENT WILL BE THE EASTWARD PUSH OF A
BACKDOOR FRONT. THIS FEATURE IS OVER GA NOW AND TRIGGERING STORMS
OVER AL THIS AFTERNOON. LOOKS LIKE OUR CWA WILL GET SQUEEZED IN
BETWEEN ALL THE ABOVE FEATURES TO PROVIDE AN INCREASE THREAT OF
PRECIP. GUID HAS CONTINUED TO ADVERTISE THE SOUTH HALF WITH DECENT
CHANCES AND WILL CONTINUE TO FOLLOW THAT THINKING. AS FOR
TEMPS...GUID SEEMED TOO WARM OVER THE NW ON FRI. TEMPS THIS MONTH
HAVE STRUGGLED TO EXCEED 91 FOR GLH/GWO AND HIGHS WERE REDUCED TO
THAT LEVEL.

THERE WILL ALSO EXIST A RISK FOR A FEW STRONG STORMS FRI AFTERNOON.
THERMODYNAMICS WILL NOT BE GREAT...BUT SUPPORT OF SOME ROBUST
UPDRAFTS. LAPSE RATES WILL BE OK AND AROUND THE 27C RANGE. SFC TEMPS
WILL WARM TO AROUND 90 AND COMBINE THAT WITH UPPER 60S DEWPTS...SB
CAPE WILL BE AROUND 3000 J/KG AND MLCAPE 2500 J/KG. STORMS WILL MOVE
MAINLY E TO W AND GENERALLY LESS THAN 10 MPH. THESE SLOWER MOVING
STORMS MAY POSE A LOCALLY HEAVY RAIN RISK AS WELL. EACH OF THESE
RISK WERE ADDED TO THE HWO FOR FRI AFTN.

LOOK FOR DRIER AIR TO MOVE IN FROM THE EAST BEHIND THE BACKDOOR
FRONT FOR SAT. ENOUGH DEEP MOISTURE LOOKS TO EXIST ACROSS THE FAR SW
CWA TO KEEP A MENTION OF LOW END PRECIP CHANCES...BUT MOST OF THE
AREA WILL NOT SEE ANY ACTIVITY. THIS HOSTILE CONVECTIVE ENVIRONMENT
WILL LINGER INTO SUN AND KEEP THE AREA PRECIP FREE.

&&

.AVIATION...
VFR CONDITIONS WILL CONTINUE TO PREVAIL AT MOST TAF
SITES OVER THE NEXT 24 HOURS.  A FEW STORMS WILL BE POSSIBLE ACROSS
THE SOUTH THIS AFTERNOON...KHBG...WHICH COULD BRING ABOUT A BRIEF
REDUCTION IN FLIGHT CATEGORIES DUE TO THE POTENTIAL FOR MVFR/IFR
CEILINGS AND VISIBILITIES IF OBSERVED WITHIN THE AERODROME.  CHANCES
FOR THUNDERSTORMS WILL BE ON THE INCREASE FRIDAY AFTERNOON FOR
NAMELY KJAN...KHKS...KMEI...& KHBG...WHICH COULD AGAIN CAUSE BRIEF
REDUCTIONS IN FLIGHT CATEGORIES. SOME PATCHY AREAS OF LATE NIGHT AND
EARLY MORNING GROUND FOG COULD BRING MVFR VISIBILITIES TO SOME
LOCALES FRIDAY MORNING. /19/

&&

.PRELIMINARY POINT TEMPS/POPS...
JACKSON       68  91  67  90 /  12  35   9   8
MERIDIAN      65  90  64  89 /  11  26   7   4
VICKSBURG     68  91  67  90 /  21  39   9  10
HATTIESBURG   69  90  68  89 /  15  54  24  18
NATCHEZ       68  89  68  87 /  32  56  24  27
GREENVILLE    66  91  69  90 /  10  19   4   5
GREENWOOD     65  91  67  90 /  10  19   4   4

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...NONE.
LA...NONE.
AR...NONE.
&&

CME/19

Hazardous weather outlook, Jun 14, 2:00 PM CDT, 2 hours 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
200 PM CDT THU JUN 14 2012

LAZ007>009-015-016-023>026-MSZ040>066-072>074-151900-
MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-MADISON LA-
FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-ISSAQUENA-SHARKEY-YAZOO-
MADISON MS-LEAKE-NESHOBA-KEMPER-WARREN-HINDS-RANKIN-SCOTT-NEWTON-
LAUDERDALE-CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-
ADAMS-FRANKLIN MS-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-
JONES-MARION-LAMAR-FORREST-
200 PM CDT THU JUN 14 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST LOUISIANA AND PORTIONS
OF CENTRAL MISSISSIPPI.

.DAY ONE...TONIGHT AND FRIDAY...

A FEW STRONG STORMS CAPABLE OF PRODUCING HAIL AND GUSTY WINDS WILL BE
POSSIBLE FRIDAY AFTERNOON ACROSS THE OUTLOOK AREA...PARTICULARLY ALONG
AND SOUTH OF A BASTROP LOUISIANA TO YAZOO CITY MISSISSIPPI TO DEKALB
LINE. AN UPPER LEVEL DISTURBANCE WILL DRIFT EAST THROUGH THE DAY
FRIDAY NEAR A STALLED BOUNDARY OVER THE SOUTHERN HALF OF THE AREA.
THIS COMBINED WITH DAYTIME HEATING AND A MOIST AND MARGINALLY
UNSTABLE AIR MASS WILL CAUSE STORMS TO DEVELOP DURING THE AFTERNOON
HOURS. HEAVY RAINFALL IS ALSO POSSIBLE AS STORMS WILL BE SLOW MOVING.

STORMS ARE EXPECTED TO BEGIN WEAKENING IN INTENSITY AND GRADUALLY
DISSIPATE THROUGH THE EVENING HOURS.

.DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY...

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS NOT EXPECTED THROUGH NEXT WEDNESDAY.

ARZ074-075-MSZ018-019-025>039-151900-
ASHLEY-CHICOT-BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-CARROLL-
MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-WASHINGTON-
HUMPHREYS-HOLMES-ATTALA-WINSTON-NOXUBEE-
200 PM CDT THU JUN 14 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEAST
ARKANSAS AND PORTIONS OF CENTRAL MISSISSIPPI.

.DAY ONE...TONIGHT AND FRIDAY...

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY...

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS NOT EXPECTED THROUGH NEXT WEDNESDAY.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN.

19

In the hours before

Local storm report, Jun 14, 2:20 PM CDT, 2 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
220 PM CDT THU JUN 14 2012

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

0900 PM     LIGHTNING        5 S VICKSBURG           32.25N 90.87W
06/11/2012                   WARREN             MS   COUNTY OFFICIAL

            CORRECTION...THIS FATALITY OCCURRED FROM A HEART
            ATTACK...THE MAN WAS NOT STRUCK BY LIGHTNING. THIS
            OCCURRED NEAR THE INTERSECTION OF FISHER FERRY ROAD AND
            AMANDA DRIVE

&&

CME

Local storm report, Jun 14, 2:22 PM CDT, 2 hours 35 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
222 PM CDT THU JUN 14 2012

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

0915 PM     TSTM WND DMG     1 W PELAHATCHIE         32.32N 89.82W
06/11/2012                   RANKIN             MS   PUBLIC

            A TREE WAS BLOWN DOWN ONTO A PICKUP TRUCK TAKING OFF ITS
            CAB ON HIGHWAY 80.

&&

CME

Special weather statement, Jun 14, 4:57 PM CDT, 0 minutes before

LAZ015-142235-
RICHLAND LA-
457 PM CDT THU JUN 14 2012

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
457 PM CDT THU JUN 14 2012

A STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA TO DIME SIZE HAIL AND
40 TO 50 MPH WINDS WAS LOCATED OVER BUCKNER AT 457 PM CDT...MOVING
NORTH AT 5 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS STORM.

PEOPLE IN SOUTHWESTERN RICHLAND PARISH SHOULD MONITOR THIS STORM
CLOSELY.

LAT...LON 3240 9200 3245 9195 3248 9194 3246 9179
      3218 9185 3218 9199 3219 9199 3219 9200
      3220 9201 3221 9200 3227 9200 3228 9204
TIME...MOT...LOC 2157Z 188DEG 5KT 3231 9196

JC

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 14, 5:53 PM CDT	Special Weather Statement	JAN	Franklin	32 min
Jun 14, 6:07 PM CDT	Special Weather Statement	JAN	Franklin	28 min
Jun 14, 6:38 PM CDT	Special Weather Statement	JAN	Franklin	32 min
Jun 14, 4:28 AM CDT	Special Weather Statement	JAN	Catahoula, Concordia	57 min
Jun 14, 5:28 PM CDT	Special Weather Statement	JAN	Franklin	42 min
Jun 14, 6:21 PM CDT	Flash Flood Warning	JAN	Morehouse, Richland	88 min

Nearby

Special Weather Statements in Louisiana, 2012 Every special weather statement in 2012

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.