Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 285
NWS STORM PREDICTION CENTER NORMAN OK
555 PM CDT SAT MAY 9 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL MISSISSIPPI
EFFECTIVE THIS SATURDAY AFTERNOON AND SUNDAY MORNING FROM 555 PM
UNTIL 100 AM CDT.
HAIL TO 1.5 INCHES 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 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTH
SOUTHWEST OF GREENVILLE MISSISSIPPI TO 25 MILES NORTHEAST OF
MERIDIAN MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
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 280...WW 281...WW
282...WW 283...WW 284...
DISCUSSION...STRONG/WEAKLY ORGANIZED STORMS EXPECTED TO SPREAD
GRADUALLY E OR ESE ALONG AND JUST S OF OLD W-E OUTFLOW BOUNDARY
THROUGH CNTRL MS. DEEP WIND FIELD IS WEAK...BUT DIFFLUENT. COUPLED
WITH QUALITY OF LOW LVL MOISTURE AND RELATIVELY STEEP MID LVL LAPSE
RATES...POTENTIAL WILL EXIST FOR WET MICROBURSTS WITH LOCALLY DMGG
WIND AND PERHAPS HAIL.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 28020.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 285 SEVERE TSTM MS 092255Z - 100600Z
AXIS..65 STATUTE MILES NORTH AND SOUTH OF LINE..
35SSW GLH/GREENVILLE MS/ - 25NE MEI/MERIDIAN MS/
..AVIATION COORDS.. 55NM N/S /50NE MLU - 22NE MEI/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 28020.
LAT...LON 33939120 33528844 31638844 32069120
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 285 Status Report Messages:
STATUS REPORT #5 ON WW 285
VALID 100330Z - 100440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NE PIB TO
25 NNW MEI TO 25 NE MEI.
..KERR..05/10/09
ATTN...WFO...JAN...
&&
STATUS REPORT FOR WS 285
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC023-029-075-100440-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
CLARKE COPIAH LAUDERDALE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 285
VALID 100225Z - 100340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NE HEZ TO
20 SSW JAN TO 25 E JAN TO 45 NW MEI TO 20 SSE CBM.
..JEWELL..05/10/09
ATTN...WFO...JAN...
&&
STATUS REPORT FOR WS 285
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC023-029-061-069-075-099-101-103-121-123-127-129-100340-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
CLARKE COPIAH JASPER
KEMPER LAUDERDALE NESHOBA
NEWTON NOXUBEE RANKIN
SCOTT SIMPSON 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 285
VALID 100125Z - 100240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 N HEZ TO
10 WNW JAN TO 30 SE GWO TO 5 WNW CBM.
..JEWELL..05/10/09
ATTN...WFO...JAN...
&&
STATUS REPORT FOR WS 285
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC007-021-023-029-061-069-075-079-087-089-099-101-103-105-121-
123-127-129-159-100240-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CLAIBORNE CLARKE
COPIAH JASPER KEMPER
LAUDERDALE LEAKE LOWNDES
MADISON NESHOBA NEWTON
NOXUBEE OKTIBBEHA RANKIN
SCOTT SIMPSON 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 285
VALID 100030Z - 100140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 ENE MLU
TO 25 SSW GWO TO 40 S UOX.
..JEWELL..05/10/09
ATTN...WFO...JAN...
&&
STATUS REPORT FOR WS 285
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC007-015-019-021-023-025-029-049-051-053-055-061-069-075-079-
087-089-097-099-101-103-105-121-123-125-127-129-149-155-159-163-
100140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA CARROLL CHOCTAW
CLAIBORNE CLARKE CLAY
COPIAH HINDS HOLMES
HUMPHREYS ISSAQUENA JASPER
KEMPER LAUDERDALE LEAKE
LOWNDES MADISON MONTGOMERY
NESHOBA NEWTON NOXUBEE
OKTIBBEHA RANKIN SCOTT
SHARKEY SIMPSON SMITH
WARREN WEBSTER WINSTON
YAZOO
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 285
VALID 092330Z - 100040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..JEWELL..05/09/09
ATTN...WFO...JAN...
&&
STATUS REPORT FOR WS 285
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MSC007-011-015-019-021-023-025-029-043-049-051-053-055-061-069-
075-079-083-087-089-097-099-101-103-105-121-123-125-127-129-133-
149-151-155-159-163-100040-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ATTALA BOLIVAR CARROLL
CHOCTAW CLAIBORNE CLARKE
CLAY COPIAH GRENADA
HINDS HOLMES HUMPHREYS
ISSAQUENA JASPER KEMPER
LAUDERDALE LEAKE LEFLORE
LOWNDES MADISON MONTGOMERY
NESHOBA NEWTON NOXUBEE
OKTIBBEHA RANKIN SCOTT
SHARKEY SIMPSON SMITH
SUNFLOWER WARREN WASHINGTON
WEBSTER WINSTON YAZOO
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (90%)
|
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.
weather.gov 
