Alert archive / Texas / Special Weather Statements in 2019

Special Weather Statement, NWS Brownsville, TX

September 10, 2019Cameron County, Texas

NWS Brownsville, TX issued this special weather statement at Sep 10, 2019, 12:08 PM CDT for Cameron County, Texas. It was in force for 37 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 10, 2019, 12:08 PM CDT (17:08 UTC)
Expired
Sep 10, 2019, 12:45 PM CDT
In force
37 min
Issued by
NWS Brownsville, TX

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 38 km from the middle of the area, began a volume at 17:07 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.

What was reported inside it

TimeReportWhereRemark
Sep 10, 12:26 PM CDTTSTM WND GST 54Harlingen, TXMEASURED 54 MPH WIND GUST REPORTED AT VALLEY INTERNATIONAL AIRPORT AT 12:26 PM CDT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 5.1 hours before the alert went out and 40 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 12:00Z on 2019-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1997 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 12:00Z on 2019-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
1997 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
813 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

944 
WWUS84 KBRO 101708
SPSBRO

Special Weather Statement
National Weather Service Brownsville TX
1208 PM CDT Tue Sep 10 2019
 
TXZ255-101745-
Inland Cameron TX-
1208 PM CDT Tue Sep 10 2019

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CAMERON AND SOUTHEASTERN
WILLACY COUNTIES UNTIL 1245 PM CDT...

At 1208 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Los Fresnos High School to Library
Memorial Middle School to La Encantada Elementary School. Movement
was northwest at 20 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Harlingen, San Benito, Los Fresnos, Santa Rosa, Rancho Viejo, Rio
Hondo, Palm Valley, Olmito, La Paloma and Laureles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 2626 9786 2632 9767 2630 9753 2633 9752
      2631 9751 2633 9751 2634 9748 2604 9736
      2606 9749 2593 9757
TIME...MOT...LOC 1708Z 147DEG 18KT 2606 9744 2612 9754 2604 9761 

$$

BRADY

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 12:35 PM CDTSpecial Weather StatementBROWillacy40 min
Sep 10, 12:37 PM CDTSpecial Weather StatementBROBrooks53 min
Sep 10, 1:02 PM CDTSpecial Weather StatementBROWillacy43 min
Sep 10, 1:04 PM CDTSpecial Weather StatementBROBrooks41 min
Sep 10, 1:17 PM CDTSpecial Marine WarningBRO27 min
Sep 10, 1:43 PM CDTSpecial Weather StatementBROBrooks, Cameron, Hidalgo, Kenedy, Willacy62 min

Nearby

Special Weather Statements in Texas, 2019Every special weather statement in 2019

Sources

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