Tornado Warning 55, NWS Shreveport, LA

Issued

May 4, 1999, 2:45 PM CDT (19:45 UTC)

Expired

May 4, 1999, 3:30 PM CDT

In force

45 min

Issued by

NWS Shreveport, LA

Area

Whole counties

County Bowie County, TX

The Shreveport radar (KSHV), 123 km from the middle of the area, began a volume at 19:45 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.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

999 
WFUS1 KSHV 041946 RRA
TORSHV
TXC037-042030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
245 PM CDT TUE MAY 4 1999

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN BOWIE COUNTY IN NORTHEASTERN TEXAS

* UNTIL 330 PM CDT

* AT 242 PM CDT... THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
  RADAR INDICATED A TORNADO 12 MILES SOUTH OF AVERY TEXAS ALONG THE
  SULPHUR RIVER.  THE THUNDERSTORM CONTAINING THIS TORNADO WAS MOVING
  NORTHEAST NEAR 40 MILES AN HOUR.  THIS TORNADO HAS ALREADY
  INFLICTED SIGNIFICANT DAMAGE NORTH OF MOUNT VERNON AND MOUNT
  PLEASANT TEXAS.

* THE TORNADO IS EXPECTED TO BE NEAR...
  DEKALB AT 310 PM CDT
  DALBY SPRINGS AT 300 PM CDT


THIS THUNDERSTORM CAN PRODUCE A TORNADO THAT IS OBSCURED BY
RAIN AND DIFFICULT TO SEE.  GO TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

NWS Shreveport, LA wrote its last area forecast discussion before this tornado warning went out at May 4, 10:00 AM CDT, 4 hours 45 minutes earlier.

FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1000 AM CDT TUE MAY 4 1999

CURRENT FORECAST STILL ON TRACK. LATEST ETA RUN SHOWS MID LEVEL JET
KICKING IN AROUND 18Z OVER CWA. ONLY SAVING GRACE AT THIS TIME IS
THE CLOUD COVER...WHICH IS HELPING TO HOLD STABILITY DOWN A TAD AS
WELL AS SURFACE WIND BELOW WIND ADVISORY THRESHOLD. THIS MAY CHANGE
IF LARGE UNANTICIPATED BREAKS OCCUR. BUT UNTIL ANY UNFORESEEN CHANGES
OCCUR..FORECAST CAN CONTINUE AS IS.

14

In the hours before

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-041630-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE SHREVEPORT LA
1010 AM CDT TUE MAY 4 1999

...AN OUTBREAK OF SEVERE WEATHER COULD AFFECT MOST OF THE THE
FOUR STATE REGION TODAY AND TONIGHT...

THERE IS HIGH RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT FOR ALL
OF NORTHEAST TEXAS...NORTH LOUISIANA...SOUTHERN ARKANSAS AND
MC CURTAIN COUNTY IN SOUTHEAST OKLAHOMA.  THE AIRMASS ACROSS THE
AREA IS MOIST AND UNSTABLE.  A STRONG UPPER LEVEL STORM SYSTEM WILL
MOVE ACROSS THE CENTRAL PLAINS TODAY AND TONIGHT.  THUNDERSTORMS
WILL LIKELY DEVELOP ACROSS NORTHEAST TEXAS AND SOUTHERN OKLAHOMA BY
EARLY THIS AFTERNOON AND CONTINUE THROUGH THE EVENING HOURS.

WINDS IN THE LOWER LEVELS OF THE ATMOSPHERE REMAIN FAVORABLE FOR THE
DEVELOPMENT OF ROTATING STORMS. THEREFORE THE THREAT WILL EXIST FOR
A FEW TORNADOES IN ADDITION TO LARGE HAIL AND DAMAGING STRAIGHT LINE
WIND.

THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION. RESIDENTS IN THE
FOUR STATE REGION ARE URGED TO REVIEW SEVERE WEATHER SAFETY RULES AND
TO LISTEN TO RADIO...TELEVISION AND NOAA WEATHER RADIO FOR POSSIBLE
WATCHES...WARNINGS AND STATEMENTS LATER TODAY.

ACTIVATION OF STORM SPOTTERS...EMERGENCY MANAGEMENT OFFICIALS AND
HAM RADIO OPERATORS WILL LIKELY BE REQUIRED THIS AFTERNOON AND
TONIGHT.

14

Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes in 1999

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