Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 21, NWS Brownsville, TX

May 30, 19954 counties in Texas

NWS Brownsville, TX issued this severe thunderstorm warning at May 30, 1995, 9:17 PM CDT for 4 counties in Texas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
May 30, 1995, 9:17 PM CDT (02:17 UTC)
Expired
May 30, 1995, 10:15 PM CDT
In force
58 min
Issued by
NWS Brownsville, TX
Area
Whole counties

Counties Cameron County, TX, Hidalgo County, TX, Kenedy County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 70 km from the middle of the area, began a volume at 02:20 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

Brownsville Intl, TX (KBRO), launched 00:00Z, 2.3 hours before the alert went out and 73 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, Brownsville Intl, TX at 00:00Z on 1995-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1183 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brownsville Intl, TX at 00:00Z on 1995-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
1183 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1212 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBRO 310219
SVRBRO
TXC061-215-261-427-489-TXZ512-310315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
917 PM CDT TUE MAY 30 1995
 
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL 1015 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN SOUTH TEXAS
 
   ...CAMERON COUNTY...HIDALGO COUNTY...KENEDY COUNTY
   ...STARR COUNTY...WILLACY COUNTY
 
  AND FOR MARINE INTERESTS IN THE COASTAL WATERS FROM...
 
   ... BAFFIN BAY  TO   PT MANSFIELD JETTY
   ... PT MANSFIELD JETTY  TO   MOUTH OF THE ARROY
   ... MOUTH OF THE ARROY  TO   MOUTH OF THE RIVER
 
BROWNSVILLE DOPPLER WEATHER RADAR INDICATED A LARGE AREA OF STRONG TO
SEVERE THUNDERSTORMS EXTENDING FROM KENEDY COUNTY INTO STARR COUNTY
OF EXTREME SOUTH TEXAS. THESE THUNDERSTORMS ARE MOVING SOUTHEAST AT
20 MILES AN HOUR. VERY HEAVY RAINS ARE ACCOMPANING THESE THUNDERSTORMS
AND LOCAL FLOODING IS POSSIBLE.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
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
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:18 PM CDTSevere Thunderstorm WarningBROBrooks, Hidalgo, Kenedy57 min
May 30, 7:44 PM CDTSevere Thunderstorm WarningBROStarr61 min
May 30, 8:18 PM CDTSevere Thunderstorm WarningBROHidalgo, Kenedy, Starr, Willacy57 min
May 30, 9:17 PM CDTSevere Thunderstorm WarningBROStarr23 min

Nearby

Severe Thunderstorm Warnings in Texas, 1995Every severe thunderstorm warning in 1995

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.