Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Brownsville, TX

October 16, 2021Cameron County, Texas

NWS Brownsville, TX issued this special weather statement at Oct 16, 2021, 3:13 AM CDT for Cameron County, Texas. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Oct 16, 2021, 3:13 AM CDT (08:13 UTC)
Expired: Oct 16, 2021, 4:00 AM CDT
In force: 47 min
Issued by: NWS Brownsville, TX
Hail: 0.00 in
Wind: 50

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 25 km from the middle of the area, began a volume at 08:16 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, 8.2 hours before the alert went out and 26 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: 951 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1112 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -45 m²/s²
0-3 km storm-relative helicity: -17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.3

Open this sounding in Storm Lab

The text

As transmitted.

819 
WWUS84 KBRO 160813
SPSBRO

Special Weather Statement
National Weather Service Brownsville TX
313 AM CDT Sat Oct 16 2021
 
TXZ255-257-160900-
Coastal Cameron TX-Inland Cameron TX-
313 AM CDT Sat Oct 16 2021

...Strong thunderstorms behind a cold front will impact portions of 
central Cameron and southeastern Willacy Counties through 400 AM 
CDT...

At 312 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Laguna Heights to Olmito. Movement was
southeast at 15 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Los Fresnos, South Padre Island, Rancho Viejo, Rio Hondo, Arroyo
City, Southmost, Olmito, Port Of Brownsville, Cameron Park and
Laureles.

This includes the following highways...
 Interstate Highway 69 E between mile markers 1 and 17.
 US Highway 281 between mile markers 828 and 838.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Brownsville.

&&

LAT...LON 2584 9743 2585 9744 2594 9758 2603 9764
      2634 9747 2641 9722 2632 9720 2628 9729
      2631 9722 2631 9720 2622 9734 2622 9719
      2630 9719 2607 9714 2600 9726 2603 9716
      2595 9715 2596 9728
TIME...MOT...LOC 0812Z 329DEG 14KT 2606 9726 2602 9753 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

Hallman

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 15, 7:03 PM CDT	Special Weather Statement	BRO	Hidalgo	27 min
Oct 15, 7:15 PM CDT	Special Weather Statement	BRO	Hidalgo	45 min
Oct 16, 2:30 AM CDT	Special Weather Statement	BRO	Cameron	45 min
Oct 16, 3:39 AM CDT	Areal Flood Advisory	BRO	Cameron	3 hr
Oct 16, 4:04 AM CDT	Areal Flood Advisory	BRO	Cameron	57 min
Oct 16, 4:11 AM CDT	Special Weather Statement	BRO	Cameron	49 min
Oct 16, 4:53 AM CDT	Areal Flood Advisory	BRO	Cameron	99 min
Oct 16, 5:13 AM CDT	Rip Current Statement	BRO	Kenedy	14 hr
Oct 16, 6:35 AM CDT	Coastal Flood Statement	BRO		8 hr
Oct 16, 9:44 AM CDT	Small Craft Advisory	BRO		18 hr

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement in 2021

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.