Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 127
NWS STORM PREDICTION CENTER NORMAN OK
430 PM EDT THU APR 18 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
SOUTHERN THROUGH EAST CENTRAL INDIANA
NORTHWEST OHIO OHIO
* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 430 PM UNTIL
1000 PM EDT.
* PRIMARY THREATS INCLUDE...
A FEW TORNADOES POSSIBLE
A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 25 MILES EAST NORTHEAST OF
FORT WAYNE INDIANA TO 45 MILES SOUTH SOUTHWEST OF BLOOMINGTON
INDIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
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 123. WATCH NUMBER 123 WILL NOT BE IN EFFECT AFTER
430 PM EDT. CONTINUE...WW 125...WW 126...
DISCUSSION...SOME STRENGTHENING OF A PRE-FRONTAL SQUALL LINE
APPROACHING THE REGION IS STILL POSSIBLE INTO EARLY EVENING. THE
INTERSECTION OF THIS ACTIVITY WITH A SURFACE BOUNDARY GENERATED BY
EARLIER CONVECTION...EXTENDING ACROSS THE INDIANAPOLIS AREA INTO
PARTS OF NORTHWEST OHIO MAY PROVIDE A FOCUS FOR ENHANCED SEVERE
WEATHER POTENTIAL...INCLUDING THE RISK FOR A TORNADO OR TWO...AND
STRONG STRAIGHT LINE WIND GUSTS.
AVIATION...TORNADOES AND 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 400.
MEAN STORM MOTION VECTOR 24045.
...KERR
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 127 TORNADO IN OH 182030Z - 190200Z
AXIS..65 STATUTE MILES EAST AND WEST OF LINE..
25ENE FWA/FORT WAYNE IN/ - 45SSW BMG/BLOOMINGTON IN/
..AVIATION COORDS.. 55NM E/W /22ENE FWA - 54NE PXV/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 24045.
REPLACES WW 123..IL IN MI OH LM
LAT...LON 41118348 38548573 38548813 41118598
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 127 Status Report Messages:
STATUS REPORT #1 ON WW 127
VALID 182300Z - 190040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNE EVV
TO 20 NE FWA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 525
..COHEN..04/18/13
ATTN...WFO...IWX...IND...
&&
STATUS REPORT FOR WT 127
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
INC001-005-009-013-027-031-035-055-059-065-071-075-079-081-093-
101-105-135-139-145-179-190040-
IN
. INDIANA COUNTIES INCLUDED ARE
ADAMS BARTHOLOMEW BLACKFORD
BROWN DAVIESS DECATUR
DELAWARE GREENE HANCOCK
HENRY JACKSON JAY
JENNINGS JOHNSON LAWRENCE
MARTIN MONROE RANDOLPH
RUSH SHELBY WELLS
$$
OHC003-137-161-190040-
OH
. OHIO COUNTIES INCLUDED ARE
ALLEN PUTNAM VAN WERT
$$
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 (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (10%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
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 
@NWSSPC
