Severe Thunderstorm Warning 42, NWS Austin/San Antonio, TX

TXZ039-040-041-210330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
816 PM CDT SUN MAY 20 1990

...SEVERE THUNDERSTORM WARNING IN EFFECT FOR MCMULLEN COUNTY TIL 900 PM...

AT 810 PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ALONG
THE LASALLE-MCMULLEN COUNTY LINE MOVING TO THE NORTHEAST AT 15 MPH.
THIS STORM APPEARED LIKELY TO HAVE LARGE HAIL IN IT AND ALSO SHOWED
POTENTIAL FOR VERY DAMAGING WINDS AND DEADLY LIGHTNING.  IT HAD FORMED
FROM THE REMAINS OF THE SEVERE THUNDERSTORMS THAT PRODUCED LARGE HAIL
NEAR LAREDO EARLIER THIS EVENING.

PERSONS IN AND NEAR THE PATH OF THIS STORM...ESPECIALLY NEAR THE TOWN
OF TILDEN IN MCMULLEN COUNTY...SHOULD MOVE TO A STRONG AND STURDY
BUILDING OR HOME.  THE BEST PROTECTION FROM A SEVERE THUNDERSTORM WOULD
BE THE INTERIOR OF SUCH A BUILDING...AWAY FROM WINDOWS AND DOORS.

IF THIS STORM CONTINUES ITS CURRENT MOVEMENT..IT WILL MOVE INTO ATASCOSA
COUNTY...JUST SOUTH OF JOURDANTON...IN THE NEXT HOUR.

TXZ038>040-210330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
903 PM CDT SUN MAY 20 1990

...SEVERE THUNDERSTORM WARNING IN EFFECT FOR ATASCOSA COUNTY TIL 930 PM...
...THE SEVERE THUNDERSTORM WARNING FOR MCMULLEN COUNTY HAS EXPIRED...

AT 855 PM...WEATHER SERVICE RADAR INDICATED A THUNDERSTORM WITH VERY
HEAVY RAIN 10 MILES SOUTH OF JOURDANTON...MOVING TO THE NORTH AT 20 MPH.
THIS STORM HAS THE POTENTIAL TO PRODUCE LARGE HAIL AND DAMAGING WINDS.

RADAR INDICATED THAT STRONG WINDS HAD ALREADY STRUCK THE GROUND JUST TO
THE WEST OF JOURDANTON AND WERE MOVING NORTHWARD TOWARD HONDO AND SAN
ANTONIO.  NO SPEED WAS INDICATED WITH THE WINDS...BUT 30 TO 40 MPH GUSTS
ARE VERY POSSIBLE WITHIN THE NEXT HOUR.

IF THE STORM CONTINUES ITS CURRENT MOVEMENT...IT WILL MOVE OUT OF
ATASCOSA COUNTY WITH IN THE NEXT HALF HOUR...AND INTO SOUTHERN MEDINA
AND BEXAR COUNTIES.  BECAUSE OF THE VERY UNSTABLE ATMOSPHERIC CONDITIONS
OVER SOUTH CENTRAL TEXAS TONIGHT...SEVERE WEATHER IN THE FORM OR DAMAGING
WIND AND HAIL IS POSSIBLE AS LONG AS THE STORMS PERSIST.

TXZ038>040-210400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
930 PM CDT SUN MAY 20 1990

...THE SEVERE THUNDERSTORM WARNING FOR ATASCOSA COUNTY HAS BEEN EXTENDED
TIL 1015 PM THIS EVENING...

AT 925 PM...WEATHER SERVICE RADAR INDICATED A THUNDERSTORM WITH VERY
HEAVY RAIN JUST WEST OF JOURDANTON...MOVING TO THE NORTH AT 20 MPH.
THE ATASCOSA COUNTY SHERIFFS DEPARTMENT REPORTS SMALL HAIL IN THE CITY
OF JOURDANTON...INCREASING WINDS AND VERY FREQUENT AND DEADLY LIGHTNING.
THIS LIGHTNING HAS REPORTEDLY STRUCK A BUILDING IN JOURDANTON...CAUSING
A FIRE.

THIS STORM IS A VERY DANGEROUS STORM.  IT HAS VERY LIKELY PRODUCED LARGE
HAIL AND DAMAGING WINDS TO THE SOUTHWEST OF JOHURDANTON AS IT MOVED
NORTHWARD TONIGHT.  BECAUSE IT HAS CONTINUED TO MOVE INTO AN AREA OF
VERY WARM AND MOIST AIR...AND INTO A VERY UNSTABLE AIRMASS...THIS STORM
WILL CONTINUE TO THREATEN SOUTH CENTRAL TEXAS INTO THE LATE NIGHT HOURS.

TXZ038>040-210400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
956 PM CDT SUN MAY 20 1990

...A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR ATASCOSA COUNTY UNTIL
1015 PM THIS EVENING...

AT 950 PM...THE PRIMROSE FIRE DEPARTMENT REPORTED HIGH WINDS JUST NORTH
OF POTEET IN NORTHERN ATASCOSA COUNTY.  THESE WINDS HAVE BEEN PRODUCED
BY THE THUNDERSTORMS NEAR PLEASANTON.  THE THUNDERSTORMS HAVE CONTINUED
TO MOVE TO THE NORTH...BUT HAVE DECREASED THEIR SPEED TO 10 MPH.  SMALL
HAIL AND VERY FREQUENT...DEADLY LIGHTNING HAVE BEEN REPORTED IN THE
JOURDANTON AREA DUE TO THE STORMS.

THESE THUNDERSTORMS...AND THEIR ASSOCIATED GUSTY WINDS...WILL BE MOVING
INTO SOUTHERN BEXAR AND SOUTHERN WILSON COUNTIES BY 1030 TONIGHT.  THE
STORMS WILL STILL HAVE THE POTENTIAL FOR DAMAGING WINDS AND LARGE HAIL
AS THEY MOVE NORTHWARD THROUGH THE REMAINDER OF THIS EVENING.  RESIDENTS
OF SAN ANTONIO AND FLORESVILLE SHOULD CONTINUE TO MONITOR THE LATEST
WEATHER STATEMENTS UNTIL THESE STORMS HAVE MOVE AWAY OR DISSIPATED.

TXZ038>040-210430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1018 PM CDT SUN MAY 20 1990

...THE SEVERE THUNDERSTORM WARNING FOR ATASCOSA COUNTY HAS EXPIRED...

AT 1010 PM...NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF SHOWERS
AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...FROM HONDO TO JUST SOUTH
OF SAN ANTONIO TO NEAR FLORESVILLE.  THE THUNDERSTORMS WERE MOVING TO
THE NORTH AT 15 MPH.

THESE THUNDERSTORMS PRODUCED WIND GUSTS TO 30 MPH NEAR HONDO AND HAVE
PRODUCED SMALL HAIL AND VERY FREQUENT AND DANGEROUS LIGHTNING OVER MUCH
OF ATASCOSA COUNTY EARLIER THIS EVENING.  THE ATMOSPHERE OVER SOUTH
CENTRAL TEXAS REMAINS VERY UNSTABLE THIS EVENING AND THESE STORMS ARE
LIKELY TO CONTINUE MOVING ACROSS THE AREA FOR THE NEXT COUPLE OF HOURS.

THE BEST PROTECTION FROM THE LARGE HAIL AND DAMAGING WINDS OF A SEVERE
THUNDERSTORM ARE FOUND IN A WELL-BUILT BUILDING OR HOME...AWAY FROM
WINDOWS AND DOORS.

TXZ038>040-210500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO, TX
1037 PM CDT SUN MAY 20 1990

...SEVERE THUNDERSTORM WARNING IN EFFECT FOR BEXAR COUNTY TIL 1130 PM...
...SEVERE THUNDERSTORM WARNING IN EFFECT FOR WILSON COUNTY TIL 1145 PM...

AT 1030 PM...WEATHER SERVICE RADAR INDICATED AN AREA OF THUNDERSTORMS...
SOME WITH VERY HEAVY RAIN...FROM JUST SOUTH OF SAN ANTONIO TO NEAR
FLORESVILLE.  THE STORMS WERE MOVING TO THE NORTHEAST AT 20 MPH.

THE MOVEMENT OF THESE STORMS HAS BEEN VERY ERRATIC THROUGH THE NIGHT.
AT TIMES THEY HAVE MOVE TO THE EAST...THEN TURNED NORTHEASTWARD...SLOWED
TO NEARLY STATIONARY AND THEN RESUMED A NORTHWARD TRACK.  RESIDENTS OF
BOTH BEXAR AND WILSON COUNTIES SHOULD REMAIN ALERT TO THE THREAT OF
LARGE HAIL AND DAMAGING WINDS IN THESE STORMS.  IN ADDITION...VERY
DANGEROUS LIGHTNING IS ACCOMPANYING THE STORMS.