Tornado Watch 783

Issued

Oct 13, 2001, 12:30 AM CDT (05:30 UTC)

Expired

Oct 13, 2001, 5:00 AM CDT

In force

5 hr

Issued by

the Storm Prediction Center

The Houston radar (KHGX), 93 km from the middle of the area, began a volume at 05:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

336 
WWUS9 KMKC 130454
SEL3  

SEL3  
MKC WW 130447
LAZ000-TXZ000-CWZ000-131000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 783
STORM PREDICTION CENTER NORMAN OK
1147 PM CDT FRI OCT 12 2001

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   WESTERN LOUISIANA                          
   EASTERN TEXAS                              
   COASTAL WATERS                     

EFFECTIVE THIS SATURDAY MORNING FROM 1230 AM UNTIL 500 AM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES SOUTHWEST OF HOUSTON TEXAS TO 65 MILES
NORTHEAST OF LUFKIN TEXAS.

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...  CONTINUE...WW 779...WW 780...WW
781...WW 782...

DISCUSSION...LINE OF SEVERE STORMS IS BOWING EWD 40-45 KT INTO SERN
TX IN ADVANCE OF VIGOROUS UPPER TROUGH MOVING TOWARD CENTRAL TX. 
AIR MASS OVER SERN TX INTO WRN LA IS VERY MOIST AND MODERATELY
UNSTABLE...AND ADDITIONAL CELLS MAY DEVELOP AHEAD OF THE LINE.  LOW
LEVEL JET AND ATTENDANT VERTICAL SHEAR IS FORECAST TO STRENGTHEN
DURING THE OVERNIGHT HOURS SUPPORTING CONTINUED THREAT OF SEVERE
STORMS INCLUDING SUPERCELLS.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 23035.


...WEISS

315,0923 291,0942 291,0970 315,0951

Tornado Watches in Texas, 2001Tornado Watches in Louisiana, 2001Every tornado watch in 2001

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.