Alert archive / Mississippi / Special Weather Statements in 2012

Special Weather Statement, NWS Jackson, MS

July 15, 2012Grenada County, Mississippi

NWS Jackson, MS issued this special weather statement at Jul 15, 2012, 2:31 PM CDT for Grenada County, Mississippi. It was in force for 19 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 15, 2012, 2:31 PM CDT (19:31 UTC)
Expired: Jul 15, 2012, 2:50 PM CDT
In force: 19 min
Issued by: NWS Jackson, MS

County Grenada County, MS

The radar

The Columbus AFB radar (KGWX), 127 km from the middle of the area, began a volume at 19:31 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 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 Jul 14, 2:43 PM CDT, 23 hours 48 minutes earlier.

Area forecast discussion, Jul 14, 2:43 PM CDT, 23 hours 48 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
243 PM CDT SAT JUL 14 2012

.DISCUSSION...FOCUS OF THE FORECAST CONTINUES TO BE ON THE PRECIP
POTENTIAL FOR THIS AFTERNOON AND AGAIN ON SUNDAY. AFTER THAT...RAIN
CHANCES LOWER A GOOD BIT AND THE FOCUS SHIFTS MORE TOWARDS WARMER
TEMPS.

OVERALL...PRECIP HAS BEEN LESS TODAY THAN THE PREV DAYS...BUT THERE
EXISTS QUITE A BIT OF ACTIVITY OVER THE EAST HALF AND THE FACT THAT
IS MOVING NICELY TO THE N/NW...THE COVERAGE WILL BE QUITE HIGH. THE
WESTERN HALF HAS NOT SEEN MUCH SO FAR TODAY AS INSTABILITY IS LESS
OVER THAT WAY DUE TO WARMER MID LEVELS ASSOCIATED WITH THE SPINNING
MCV. HOWEVER...MOST OF THE CWA REMAINS IN A FAVORABLE REGION WITH
SOLID LOW LEVEL MOISTURE CONVERGENCE AND THIS SHOULD SUPPORT
SHRA/FEW TSRA INTO EARLY EVENING. GUID POPS WERE FAIRLY HIGH AND
OPTED TO CUT ABOUT 10% ACROSS THE BOARD. MOST OF THE NIGHT PERIOD
WILL BE QUIET BUT SOME POTENTIAL WILL EXIST FOR THE FAR NW AND SE
AREAS TO SEE SOME SHOWER ACTIVITY TOWARD SUNRISE AND HAVE THE WX
GRIDS INDICATING THAT.

FOR SUNDAY...THE UPPER RIDGE WILL BE BUILDING AND CENTERED JUST EAST
OF THE AREA. THE AXIS OF PRECIP ON THE WESTERN PERIPHERY OF THIS
RIDGE IS FOCUSED MORE ON THE MS/AL LINE TODAY SO LOOK FOR THIS AXIS
TO SHIFT WESTWARD FOR SUNDAY. THE CENTRAL SECTION OF THE CWA WILL BE
SITUATED IN A NICE LOW LEVEL MOIST AXIS WITH DEEP SOUTHERLY FLOW TO
HELP LOOSELY ORGANIZED BANDS OF SHRA/TSRA MOVING S TO N FROM MAINLY
MIDDAY INTO THE AFTERNOON. GUID POPS WERE DECENT...BUT DID INCREASE
VALUES A BIT TO GET LIKELY WORDING WITHIN THE AXIS OF BEST LOW
LEVEL MOISTURE. FOR TEMPS...GFS GUID IS OFFERING WARMER READINGS
WITH THE NAM 3-5 DEGREES COOLER. TEMPS SHOULD BE SIMILAR TO TODAY
AND A BLEND OF THE GFS/NAM FIT.

FOR MONDAY...THE UPPER RIDGE WILL BUILD OVER THE AREA AND DRIER MID
LEVEL AIR WILL ROTATE INTO THE CWA. LESS PRECIP CAN BE EXPECTED DUE
TO INCREASED SUBSIDENCE. WITH MORE SUNSHINE ACROSS THE AREA...TEMPS
WILL RESPOND AND LOOK FOR HIGHS TO PEAK BETWEEN 91-94 DEGREES. /CME/

&&

.AVIATION...A MIX OF VFR/MVFR CEILINGS ARE BEING OBSERVED THIS
AFTERNOON AT MOST TAF SITES.  SCATTERED DIURNAL SHOWERS AND STORMS
ARE BECOMING MORE NUMEROUS THIS AFTERNOON AS EXPECTED...PARTICULARLY
ALONG AND EAST OF INTERSTATE 55 (I.E. KHKS...KJAN...KGTR...KMEI...&
KHBG).  MVFR/IFR CEILINGS AND/OR VISIBILITIES WILL EXIST AT SITES
WERE THIS ACTIVITY IS OBSERVED. CONVECTION WILL BEGIN TO WANE DURING
THE EVENING...LEAVING VFR CONDITIONS ACROSS THE REGION THROUGH MUCH
OF THE NIGHT. BY DAY BREAK SUNDAY MORNING HOWEVER...MVFR/IFR
CEILINGS AND/OR VISIBILITIES WILL BE POSSIBLE AT NAMELY KHBG AND
KMEI AS THE RESULT OF LOW STRATUS. SOUTHEAST SURFACE WINDS BETWEEN
3-8 KNOTS WILL GRADUALLY SUBSIDE THIS EVENING INTO TONIGHT. /19/

&&

.PRELIMINARY POINT TEMPS/POPS...
JACKSON       73  89  73  93 /  28  63  18  12
MERIDIAN      71  89  70  94 /  22  36  12  12
VICKSBURG     72  89  72  93 /  33  63  21  18
HATTIESBURG   73  90  72  94 /  34  58  11  15
NATCHEZ       71  87  72  90 /  32  54  13  29
GREENVILLE    73  89  74  93 /  44  61  22  26
GREENWOOD     72  89  73  94 /  38  63  22  24

&&

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

CME/19

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 3:46 PM CDT	Special Weather Statement	JAN	Attala	29 min
Jul 15, 5:40 PM CDT	Special Weather Statement	JAN	Sharkey	30 min
Jul 15, 6:03 PM CDT	Flash Flood Warning	JAN	Hinds, Warren, Yazoo	85 min

Nearby

Special Weather Statements in Mississippi, 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; radar from the NEXRAD Level II archive.