Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL2
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 532
NWS STORM PREDICTION CENTER NORMAN OK
245 PM CDT SUN JUN 28 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND EASTERN MISSISSIPPI
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 900
PM CDT.
HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES WEST
NORTHWEST OF COLUMBUS MISSISSIPPI TO 45 MILES SOUTHWEST OF
MERIDIAN MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 530...WW 531...
DISCUSSION...A LINE OF THUNDERSTORMS HAD DEVELOPED ALONG THE FRONT
IN NORTHERN MISSISSIPPI AND IS EXPECTED TO TRACK SOUTH-SOUTHEASTWARD
THROUGH PORTIONS OF CENTRAL AND EASTERN MISSISSIPPI INTO THE EARLY
EVENING HOURS. DESPITE ONLY AROUND 20 KT OF DEEP LAYER SHEAR...THE
DEVELOPMENT OF AN ORGANIZED OUTFLOW BOUNDARY COMBINED WITH
TEMPERATURES IN THE MID/UPPER 90S AND MLCAPES NEAR 3000 J/KG ARE
FAVORABLE FOR WET MICROBURSTS AND WIND DAMAGE.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION
VECTOR 34020.
...IMY
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW2
WW 532 SEVERE TSTM MS 281945Z - 290200Z
AXIS..50 STATUTE MILES EAST AND WEST OF LINE..
40WNW CBM/COLUMBUS MS/ - 45SW MEI/MERIDIAN MS/
..AVIATION COORDS.. 45NM E/W /36NW IGB - 40SW MEI/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 34020.
LAT...LON 33848822 31878844 31879013 33848997
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU2.
Watch 532 Status Report Messages:
STATUS REPORT #4 ON WW 532
VALID 282335Z - 290040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 SSW GWO
TO 40 N MEI TO 40 SW TCL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1372
..GARNER..06/28/09
ATTN...WFO...JAN...
&&
STATUS REPORT FOR WS 532
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC007-023-051-061-069-075-079-099-101-123-129-290040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CLARKE HOLMES
JASPER KEMPER LAUDERDALE
LEAKE NESHOBA NEWTON
SCOTT SMITH
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 532
VALID 282235Z - 282340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNE GWO
TO 40 E GWO TO 30 W TCL.
..GARNER..06/28/09
ATTN...WFO...JAN...
&&
STATUS REPORT FOR WS 532
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC007-015-019-023-043-051-061-069-075-079-097-099-101-103-123-
129-159-282340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CARROLL CHOCTAW
CLARKE GRENADA HOLMES
JASPER KEMPER LAUDERDALE
LEAKE MONTGOMERY NESHOBA
NEWTON NOXUBEE SCOTT
SMITH WINSTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 532
VALID 282145Z - 282240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSW UOX
TO 40 E GWO TO 25 NE CBM.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1370
..GARNER..06/28/09
ATTN...WFO...JAN...
&&
STATUS REPORT FOR WS 532
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC007-015-019-023-043-051-061-069-075-079-087-097-099-101-103-
105-123-129-159-282240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CARROLL CHOCTAW
CLARKE GRENADA HOLMES
JASPER KEMPER LAUDERDALE
LEAKE LOWNDES MONTGOMERY
NESHOBA NEWTON NOXUBEE
OKTIBBEHA SCOTT SMITH
WINSTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 532
VALID 282030Z - 282140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..06/28/09
ATTN...WFO...JAN...
&&
STATUS REPORT FOR WS 532
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC007-015-019-023-025-043-051-061-069-075-079-087-097-099-101-
103-105-123-129-155-159-282140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CARROLL CHOCTAW
CLARKE CLAY GRENADA
HOLMES JASPER KEMPER
LAUDERDALE LEAKE LOWNDES
MONTGOMERY NESHOBA NEWTON
NOXUBEE OKTIBBEHA SCOTT
SMITH WEBSTER WINSTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (<5%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.