Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 22, NWS Brownsville, TX

June 15, 1998Zapata County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Jun 15, 1998, 5:50 PM CDT for Zapata County, Texas. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 15, 1998, 5:50 PM CDT (22:50 UTC)
Expired
Jun 15, 1998, 6:20 PM CDT
In force
30 min
Issued by
NWS Brownsville, TX
Area
Whole counties

County Zapata County, TX

The radar

The Corpus Christi radar (KCRP), 185 km from the middle of the area, began a volume at 22:54 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.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.8 hours before the alert went out and 198 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 1998-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 701 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 1998-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
701 J/kg
Mixed-layer CIN
-484 J/kg
Mixed-layer LCL
1314 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

842 
WUUS1 KBRO 152252 RRA
SVRBRO
TXC505-152320-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
550 PM CDT MON JUN 15 1998

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ZAPATA COUNTY IN SOUTHERN TEXAS

* UNTIL 620 PM CDT

* AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EXTREME SOUTHERN ZAPATA COUNTY NEAR FALCON
  LAKE DAM...MOVING EAST-NORTHEAST 15 TO 20 MPH.

THIS IS A DANGEROUS STORM STAY INDOORS AWAY FROM WINDOWS.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

VALONE

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Brownsville, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 15, 2:15 PM CDT, 3 hours 35 minutes earlier.

Area forecast discussion, Jun 15, 2:15 PM CDT, 3 hours 35 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
215 PM CDT MON JUN 15 1998

HEAT PROBABLY THE BIG STORY THIS AFTERNOON...AGAIN...AS OTHERWISE
NOT A LOT GOING ON ACROSS THE AREA...OR MOST OF THE U.S FOR THAT
MATTER. SOME FESTIVITIES OCCURRING OVER SOUTH CENTRAL INTO SOUTHEAST
TEXAS WITH THUNDERSTORM COMPLEX MOVING NORTHEAST ACROSS THE AREA.
HOWEVER HERE IN DEEP SOUTH TEXAS JUST HOT AND WINDY. WE HAVE
ALREADY SURPASSED THE RECORD HIGH FOR TODAY (99)...JUST REMAINS TO
BE SEEN BY HOW MUCH (CURRENTLY 100). SOUTH WINDS WHIPPING ACROSS
EASTERN AREAS WITH GUSTS TO NEAR 35 KT RECORDED AT BRO. MORNING
MODEL RUNS NOT SHOWING MUCH TO WRITE HOME ABOUT AS NO BIG CHANGES
ARE PROGNOSTICATED. HOWEVER...DOES APPEAR WE WILL GET A RESPITE
TOMORROW FROM THE EXTREME HEAT AS SURFACE HIGH BUILDS WEST FROM THE
GULF AND BRINGS WINDS AROUND MORE SOUTHEASTERLY. NEAR ZONAL FLOW
ACROSS THE SOUTHERN HALF OF THE CONTERMINOUS U.S. CONTINUES
TOMORROW...THEN UPPER PATTERN BECOMES A BIT MORE BLOCKY AS GULF
RIDGE BUILDS ONCE AGAIN WESTWARD ACROSS TEXAS AND NORTHWARD INTO
THE PLAINS. TROF/DRYLINE REGIME TO OUR WEST NOT APPEARING TO BE
MAKING AS MUCH PROGRESS EAST AS YESTERDAY AS LOW-LEVEL WINDS NOT AS
FAVORABLE WITH MORE OF A SOUTHERLY DIRECTION TODAY. THESE FEATURES
PROGGED TO LIFT OUT TONIGHT AND WE RETURN TO MORE OF A
SOUTHEASTERLY SURFACE FLOW. SO WE COOL A BIT TOMORROW FROM HEAT OF
YESTERDAY AND TODAY...THEN BUMP UP A BIT AGAIN WEDNESDAY AS UPPER
RIDGE BUILDS.

ON THE COASTAL WATERS...CAN PROBABLY DROP SCA FOR THE
OVERNIGHT...AND EXPECTING WINDS TO BE A BIT LESS TOMORROW...SO CAN
GO WITHOUT. CURRENTLY BOUY B42020 SHOWING WINDS BELOW CRITERIA AND
SEAS 5 FT.

FORECAST:
TONIGHT...PARTLY CLOUDY. LOWS AROUND 80. S WINDS 10 TO 15 MPH
BECOMING SOUTHEAST LATE.

TUESDAY...MOSTLY SUNNY...BREEZY...AND A LITTE COOLER. HIGHS AROUND
90 COAST/LOWER 90S EAST/AROUND 100 MID VALLEY/104 TO 108 FAR WEST.
S-SE WINDS 15 TO 25 MPH AND GUSTY.

TUE NIGHT...PARTLY CLOUDY. LOWS AROUND 80. SOUTHEAST WINDS 10 TO 15
MPH.

WEDNESDAY...SAME AS TUESDAY.

BRO UU 079/095 080/096 080 00/00/00/00
MFE UU 078/101 079/101 079 00/00/00/00
RGC UU 078/107 079/106 079 00/00/00/00
SPI UU 081/091 081/091 080 00/00/00/00

61...VALONE

In the hours before

Special weather statement, Jun 15, 4:40 PM CDT, 1 hour 10 minutes before
TXZ249>252-160235-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
440 PM CDT MON JUN 15 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR JIM HOGG...BROOKS...AND
   KENEDY COUNTIES UNTIL 9 PM CDT...
...STRONG THUNDERSTORMS POSSIBLE IN SOUTHERN STARR COUNTY...

THE STORM PREDICTION CENTER OF THE NATIONAL WEATHER SERVICE IN
KANSAS CITY HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR JIM HOGG...
BROOKS...AND KENEDY COUNTIES IN DEEP SOUTH TEXAS VALID UNTIL 9 PM
CDT THIS MONDAY EVENING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE
FORMATION OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.

ALTHOUGH STARR COUNTY IS NOT IN THE SEVERE THUNDERSTORM WATCH
BOX...STRONG TO POTENTIALLY SEVERE THUNDERSTORMS MAY ALSO OCCUR
THERE LATE THIS AFTERNOON AND EVENING.

IF YOU ARE CAUGHT OUTSIDE... SEEK REFUGE FROM THE STORM IN A
STRONG BUILDING. BOATERS ON AREA LAKES SHOULD TAKE SHELTER.
DAMAGING WIND... LARGE HAIL... VERY HEAVY RAIN... AND DANGEROUS
LIGHTNING ARE ALL LIKELY. DO NOT SEEK SHELTER UNDER TREES OR OTHER
ISOLATED TALL OBJECTS. THESE ATTRACT LIGHTNING. DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

PERSONS IN THE ABOVE MENTIONED AREAS SHOULD STAY UPDATED ON THIS
DEVELOPING AND POTENTIALLY SEVERE WEATHER SITUATION THROUGH NOAA
WEATHER RADIO...OR THEIR FAVORITE LOCAL MEDIA OUTLET.

VALONE
Special weather statement, Jun 15, 4:40 PM CDT, 1 hour 10 minutes before
TXZ249>252-160235-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
440 PM CDT MON JUN 15 1998

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR JIM HOGG...BROOKS...AND
   KENEDY COUNTIES UNTIL 9 PM CDT...
...STRONG THUNDERSTORMS POSSIBLE IN SOUTHERN STARR COUNTY...

THE STORM PREDICTION CENTER OF THE NATIONAL WEATHER SERVICE IN
KANSAS CITY HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR JIM HOGG...
BROOKS...AND KENEDY COUNTIES IN DEEP SOUTH TEXAS VALID UNTIL 9 PM
CDT THIS MONDAY EVENING.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE
FORMATION OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.

ALTHOUGH STARR COUNTY IS NOT IN THE SEVERE THUNDERSTORM WATCH
BOX...STRONG TO POTENTIALLY SEVERE THUNDERSTORMS MAY ALSO OCCUR
THERE LATE THIS AFTERNOON AND EVENING.

IF YOU ARE CAUGHT OUTSIDE... SEEK REFUGE FROM THE STORM IN A
STRONG BUILDING. BOATERS ON AREA LAKES SHOULD TAKE SHELTER.
DAMAGING WIND... LARGE HAIL... VERY HEAVY RAIN... AND DANGEROUS
LIGHTNING ARE ALL LIKELY. DO NOT SEEK SHELTER UNDER TREES OR OTHER
ISOLATED TALL OBJECTS. THESE ATTRACT LIGHTNING. DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

PERSONS IN THE ABOVE MENTIONED AREAS SHOULD STAY UPDATED ON THIS
DEVELOPING AND POTENTIALLY SEVERE WEATHER SITUATION THROUGH NOAA
WEATHER RADIO...OR THEIR FAVORITE LOCAL MEDIA OUTLET.

VALONE

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 15, 4:58 PM CDTSevere Thunderstorm WarningBROStarr32 min
Jun 15, 5:30 PM CDTSevere Thunderstorm WarningBROStarr30 min
Jun 15, 6:01 PM CDTSevere Thunderstorm WarningBROBrooks34 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998

Sources

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.