Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 271
NWS STORM PREDICTION CENTER NORMAN OK
535 PM CDT MON JUN 9 2014
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
NORTHWEST ALABAMA
NORTHERN MISSISSIPPI
WESTERN AND MIDDLE TENNESSEE
* EFFECTIVE THIS MONDAY AFTERNOON AND TUESDAY MORNING FROM 535 PM
UNTIL 100 AM CDT.
* PRIMARY THREATS INCLUDE...
A COUPLE TORNADOES POSSIBLE
SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY
ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 80 MILES WEST NORTHWEST OF
NASHVILLE TENNESSEE TO 45 MILES SOUTHEAST OF TUPELO MISSISSIPPI.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
&&
OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 268. WATCH NUMBER 268 WILL NOT BE IN EFFECT AFTER
535 PM CDT. CONTINUE...WW 267...WW 269...WW 270...
DISCUSSION...NRN END OF N-S LWR MS VLY SQLN EXPECTED TO CONTINUE
ENEWD THROUGH LATE EVE...IN TANDEM WITH BAND OF 30-40 KT LOW TO
MID-TROPOSPHERIC SW FLOW IN SE QUADRANT OF KS-OK UPR LOW. THIS BAND
OF ENHANCED FLOW...COUPLED WITH HIGH PW AND SLIGHTLY-BACKED NEAR-SFC
WINDS INVOF DIFFUSE WARM FRONT/SFC TROUGH OVER NRN MS/WRN
TN...SUGGESTS SOME RISK FOR TORNADOES...BOTH WITH STORMS IN THE SQLN
AND THOSE FORMING AHEAD OF IT. LOCALLY DMGG WIND ALSO MAY OCCUR WITH
EMBEDDED LEWPS/SMALL BOWS IN THE LINE.
AVIATION...TORNADOES AND 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 22030.
...CORFIDI
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 271 TORNADO AL MS TN 092235Z - 100600Z
AXIS..85 STATUTE MILES EAST AND WEST OF LINE..
80WNW BNA/NASHVILLE TN/ - 45SE TUP/TUPELO MS/
..AVIATION COORDS.. 75NM E/W /69WNW BNA - 25NE IGB/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 22030.
REPLACES WW 268..AR MO MS TN
LAT...LON 36568648 33798673 33798969 36568954
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 271 Status Report Messages:
STATUS REPORT #3 ON WW 271
VALID 100230Z - 100340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 WNW BHM
TO 35 NW HSV TO 30 NNE HSV.
..GRAMS..06/10/14
ATTN...WFO...HUN...BMX...MEG...OHX...
&&
STATUS REPORT FOR WT 271
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC043-083-103-127-100340-
AL
. ALABAMA COUNTIES INCLUDED ARE
CULLMAN LIMESTONE MORGAN
WALKER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 271
VALID 100135Z - 100240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 ENE CBM
TO 25 SE MKL TO 45 WSW HOP.
..GRAMS..06/10/14
ATTN...WFO...HUN...BMX...MEG...OHX...
&&
STATUS REPORT FOR WT 271
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC033-043-057-059-077-079-083-093-103-127-133-100240-
AL
. ALABAMA COUNTIES INCLUDED ARE
COLBERT CULLMAN FAYETTE
FRANKLIN LAUDERDALE LAWRENCE
LIMESTONE MARION MORGAN
WALKER WINSTON
$$
TNC005-017-021-037-039-043-055-071-077-079-081-083-085-099-101-
117-119-125-135-147-161-181-187-100240-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BENTON CARROLL CHEATHAM
DAVIDSON DECATUR DICKSON
GILES HARDIN HENDERSON
HENRY HICKMAN HOUSTON
HUMPHREYS LAWRENCE LEWIS
MARSHALL MAURY MONTGOMERY
PERRY ROBERTSON STEWART
WAYNE WILLIAMSON
$$
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.
$$
STATUS REPORT #1 ON WW 271
VALID 100035Z - 100140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NW CBM TO
40 S MKL TO 40 S PAH.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 932.
..GRAMS..06/10/14
ATTN...WFO...HUN...BMX...MEG...OHX...
&&
STATUS REPORT FOR WT 271
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ALC033-043-057-059-075-077-079-083-093-103-127-133-100140-
AL
. ALABAMA COUNTIES INCLUDED ARE
COLBERT CULLMAN FAYETTE
FRANKLIN LAMAR LAUDERDALE
LAWRENCE LIMESTONE MARION
MORGAN WALKER WINSTON
$$
MSC003-057-095-117-139-141-100140-
MS
. MISSISSIPPI COUNTIES INCLUDED ARE
ALCORN ITAWAMBA MONROE
PRENTISS TIPPAH TISHOMINGO
$$
TNC005-017-021-023-037-039-043-053-055-069-071-077-079-081-083-
085-099-101-109-113-117-119-125-135-147-161-181-183-187-
100140-
TN
. TENNESSEE COUNTIES INCLUDED ARE
BENTON CARROLL CHEATHAM
CHESTER DAVIDSON DECATUR
DICKSON GIBSON GILES
HARDEMAN HARDIN HENDERSON
HENRY HICKMAN HOUSTON
HUMPHREYS LAWRENCE LEWIS
MCNAIRY MADISON MARSHALL
MAURY MONTGOMERY PERRY
ROBERTSON STEWART WAYNE
WEAKLEY WILLIAMSON
$$
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
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
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
|
Low (20%)
|
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.