Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 270
NWS STORM PREDICTION CENTER NORMAN OK
515 PM CDT MON JUN 9 2014
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND WESTERN ALABAMA
CENTRAL AND EASTERN MISSISSIPPI
* EFFECTIVE THIS MONDAY AFTERNOON AND TUESDAY MORNING FROM 515 PM
UNTIL 100 AM CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY
ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTH
SOUTHEAST OF JACKSON MISSISSIPPI TO 25 MILES EAST NORTHEAST OF
COLUMBUS MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 267...WW 268...WW 269...
DISCUSSION...WRN MS SQLN EXPECTED TO CONTINUE ENEWD...WITH EMBEDDED
LEWPS/SMALL BOWS/SUSTAINED STORMS POSING A RISK FOR DMGG WIND
THROUGH THIS EVE GIVEN 40 KT SWLY 700-500 MB FLOW IN SE QUADRANT OF
KS/OK UPR LOW. ISOLD STORMS FORMING IN VERY MOIST/CONFLUENT AHEAD OF
THE LINE ALSO MAY POSE A RISK FOR SVR WIND/MARGINALLY SVR 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 24035.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 270 SEVERE TSTM AL MS 092215Z - 100600Z
AXIS..75 STATUTE MILES EAST AND WEST OF LINE..
60SSE JAN/JACKSON MS/ - 25ENE CBM/COLUMBUS MS/
..AVIATION COORDS.. 65NM E/W /32ENE MCB - 29NE IGB/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 31519095 33758934 33758673 31518841
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 270 Status Report Messages:
STATUS REPORT #4 ON WW 270
VALID 100330Z - 100440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 ESE MEI
TO 20 ESE TCL TO 10 NNW BHM.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 934.
..GRAMS..06/10/14
ATTN...WFO...BMX...JAN...
&&
STATUS REPORT FOR WS 270
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-009-015-017-019-021-027-029-037-047-051-055-073-091-
105-111-115-117-121-123-100440-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB BLOUNT
CALHOUN CHAMBERS CHEROKEE
CHILTON CLAY CLEBURNE
COOSA DALLAS ELMORE
ETOWAH JEFFERSON MARENGO
PERRY RANDOLPH ST. CLAIR
SHELBY TALLADEGA TALLAPOOSA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 270
VALID 100230Z - 100340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 E PIB TO
45 NE MEI TO 35 NNE TCL.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 933.
..GRAMS..06/10/14
ATTN...WFO...BMX...JAN...
&&
STATUS REPORT FOR WS 270
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC001-007-009-015-017-019-021-027-029-037-047-051-055-063-065-
073-091-105-111-115-117-119-121-123-125-100340-
AL
. ALABAMA COUNTIES INCLUDED ARE
AUTAUGA BIBB BLOUNT
CALHOUN CHAMBERS CHEROKEE
CHILTON CLAY CLEBURNE
COOSA DALLAS ELMORE
ETOWAH GREENE HALE
JEFFERSON MARENGO PERRY
RANDOLPH ST. CLAIR SHELBY
SUMTER TALLADEGA TALLAPOOSA
TUSCALOOSA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 270
VALID 100135Z - 100240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 E PIB TO
35 S CBM TO 35 ENE CBM.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 933.
..GRAMS..06/10/14
ATTN...WFO...BMX...JAN...
&&
STATUS REPORT FOR WS 270
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC007-063-065-073-107-117-119-125-100240-
AL
. ALABAMA COUNTIES INCLUDED ARE
BIBB GREENE HALE
JEFFERSON PICKENS SHELBY
SUMTER TUSCALOOSA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 270
VALID 100035Z - 100140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ENE HEZ
TO 35 SE JAN TO 15 WNW CBM.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 932.
..GRAMS..06/10/14
ATTN...WFO...BMX...JAN...
&&
STATUS REPORT FOR WS 270
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC007-063-065-073-107-117-119-125-100140-
AL
. ALABAMA COUNTIES INCLUDED ARE
BIBB GREENE HALE
JEFFERSON PICKENS SHELBY
SUMTER TUSCALOOSA
$$
MSC023-025-031-061-065-067-069-075-077-087-101-103-129-100140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
CLARKE CLAY COVINGTON
JASPER JEFFERSON DAVIS JONES
KEMPER LAUDERDALE LAWRENCE
LOWNDES NEWTON NOXUBEE
SMITH
$$
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.
$$
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 (60%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
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 (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.