Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 35, NWS Brownsville, TX

June 10, 1997Starr County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Jun 10, 1997, 7:57 PM CDT for Starr County, Texas. It was in force for 63 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 10, 1997, 7:57 PM CDT (00:57 UTC)
Expired: Jun 10, 1997, 9:00 PM CDT
In force: 63 min
Issued by: NWS Brownsville, TX
Area: Whole counties

County Starr County, TX

The radar

The Brownsville radar (KBRO), 150 km from the middle of the area, began a volume at 00:59 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, 1.0 hours before the alert went out and 152 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1308 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: -18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBRO 110056 RRA
SVRBRO
TXC427-110200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
757 PM CDT TUE JUN 10 1997

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE TX HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHERN TEXAS

   ...STARR COUNTY

  AT 755 PM...BROWNSVILLE RADAR INDICATES A SEVERE THUNDERSTORM OVER
NORTHERN STARR COUNTY MOVING SOUTH AT 20 MPH.  HAIL UP TO THE SIZE
OF DIMES AND GUSTY WINDS OVER 60 MPH ARE POSSIBLE.
 
WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLE(SS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

STAY TUNED TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TV
STATION...OR YOUR LOCAL CABLE OUTLET FOR THE LATEST WEATHER
INFORMATION.

YURA

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 10, 2:17 PM CDT, 5 hours 40 minutes earlier.

Area forecast discussion, Jun 10, 2:17 PM CDT, 5 hours 40 minutes before

DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
215 PM CDT TUE JUN 10 1997

KBRO CURRENTLY IN VCP32 AS MAIN AREA OF CONCERN FOR CONV REMAINS
WELL NORTH OF THE FORECAST AREA NEAR THE COLD FRONT OVER CENTRAL
TX.  HOWEVER...MODEL GUIDANCE SHOWS A COUPLE OF WEAK VORTS MOVING
OVER THE MEAN RIDGE POSITION IN MEXICO.  THESE VORTS WILL HAVE
LIMITED MOISTURE TO WORK WITH ALTHOUGH 12Z SOUNDINGS FROM CRP...BRO
AND DRT INDICATE THAT SOME LOW LEVEL MOISTURE IS PRESENT AT OR
BELOW 800 MB.  ALTHOUGH MOS GUIDANCE CONTINUES TO SHOW NIL POPS
THROUGH THE FORECAST PERIOD...WILL LEAVE IN A MENTION OF ISOLD POPS
FOR TONIGHT...THEN WILL DRY OUT CONDITIONS AFTERWARDS.

AS THE TROUGH CONTINUES TO BUILD OVER THE WESTERN THIRD OF THE
NATION ON THURSDAY...A SERIES OF STRONG SURFACE LOWS MOVE OVER THE
MIDWEST. THIS WILL BRING AROUND A MORE SOUTHERLY WIND DIRECTION
WITH AN INCREASE SURFACE PRESSURE GRADIENT.  HAVE WORDED 2ND...3RD
AND 4TH PDS ACCORDINGLY FOR BREEZY/WINDY CONDITIONS.

FOR THE CWF 1ST PD...WOULD LIKE TO ADJUST WND WORDING TO SOUTH TO
SOUTHEAST AT 10 TO 15 MPH WITH SEAS AT 3 FT AND ISOLD RW/TRW. FOR
THE 2ND AND 3RD PDS WOULD LIKE TO ADJUST WORDING TO SOUTH TO
SOUTHEAST AROUND 15 KTS.  SEAS 3 TO 4 FT WITH NIL POPS.

IN THE EXTENDED RANGE...THE STRENGTHENING 5H CLOSED LOW OVER THE
SOUTHWEST U.S. WILL ACCORDINGLY BUILD A FAIRLY STRONG RIDGE OVER
MOST OF THE GULF STATES.  SO WOULD LIKE TO SEE "MOSTLY SUNNY DAYS
PARTLY CLOUDY NIGHTS.  LOWS IN THE 70S.  HIGHS FROM THE 80S AT THE
COAST TO THE 90S INLAND." IN THE EXTENDED RANGE.

FOR TXZ248>255...

.TONIGHT...PARTLY CLOUDY WITH ISOLATED SHOWERS OR THUNDERSTORMS.
THE CHANCE FOR RAIN IS LESS THAN 20 PERCENT.  SOUTH TO SOUTHEAST
WINDS 5 TO 10 MPH.

.WEDNESDAY...MOSTLY SUNNY AND BREEZY. SOUTH TO SOUTHEAST WIND
AROUND 15 MPH.

.WEDNESDAY NIGHT...MOSTLY CLEAR AND BREEZY.

.THURSDAY...MOSTLY SUNNY AND WINDY.

BRO UU 075/092 075/092 074 10/05/00/00
MFE UU 075/095 074/097 073 10/05/00/00
RGC UU 074/097 073/098 073 10/05/00/00
SPI UU 077/085 077/086 075 10/05/00/00

60

In the hours before

Local storm report, Jun 10, 7:45 PM CDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
745 PM CDT TUE JUN 10 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0725 PM                              TX   WIND DAMAGE
06/10/97   JIM HOGG                       LARGE TREE LIMBS DOWN AND
                                          MARBLE SIZE HAIL AT AGUA
                                          NUEVA.

Nearby

Severe Thunderstorm Warnings in Texas, 1997 Every severe thunderstorm warning in 1997

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.