Tornado Watch 28

Issued

Feb 10, 1998, 10:00 AM CST (16:00 UTC)

Expired

Feb 10, 1998, 4:00 PM CST

In force

6 hr

Issued by

the Storm Prediction Center

The Houston radar (KHGX), 124 km from the middle of the area, began a volume at 16:01 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.

874 
WWUS9 KMKC 101525
SEL8  
MKC WW 101525
TXZ000-102200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 28
STORM PREDICTION CENTER NORMAN OK
925 AM CST TUE FEB 10 1998

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

   SOUTHEAST TEXAS                              
   AND ADJACENT COASTAL WATERS

EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 1000 AM UNTIL 400
PM CST.

THIS IS A PARTICULARLY DANGEROUS SITUATION WITH THE POSSIBILITY OF
VERY DAMAGING TORNADOES.  ALSO...LARGE HAIL TO 2 INCHES IN
DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 55 MILES EAST SOUTHEAST OF BEEVILLE TEXAS TO 30
MILES NORTH NORTHWEST 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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 26.  WATCH NUMBER 26 WILL NOT BE IN
EFFECT AFTER 1000 AM CST.  CONTINUE...WW 27...

DISCUSSION...LINE OF SEVERE THUNDERSTORMS IS PROGRESSING EASTWARD
FROM CENTRAL TEXAS WITH RADAR INDICATING WELL-DEFINED LEWP/BOW ECHO
SOUTHEAST OF SAN ANTONIO.  THESE STORMS WILL BE MOVING INTO THE LOW
LEVEL INSTABILITY AXIS OVER SOUTHEAST TEXAS DURING THE NEXT SEVERAL
HOURS WHERE THE LIFTED INDEX IS -6.  VAD PROFILES AND PROFILER
WINDS SHOW THE LOW LEVEL JET IS STRENGTHENING OVER SOUTHEAST TEXAS
WITH 40-50 KT FLOW OBSERVED.  MODEL DATA INDICATES THE JET WILL
CONTINUE TO INTENSIFY TO NEAR 60 KT THIS AFTERNOON WITH VERY STRONG
SHEAR AND HELICITY DEVELOPING.  THREAT FOR SEVERE THUNDERSTORMS AND
TORNADOES WILL INCREASE INTO THE AFTERNOON AS CONVECTION SPREAD
EASTWARD.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 22045.


...WEISS

280,0981 313,0962 313,0932 280,0952

Tornado Watches in Texas, 1998Tornado Watches in Louisiana, 1998Every tornado watch in 1998

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.