Alert archive / Texas / Wind Advisories in 2018

Wind Advisory 3, NWS Brownsville, TX

February 18, 2018Cameron County, Hidalgo County, Willacy County, Texas

NWS Brownsville, TX issued this wind advisory at Feb 18, 2018, 2:41 PM CST for Cameron County, Hidalgo County, Willacy County, Texas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Feb 18, 2018, 2:41 PM CST (20:41 UTC)
Expired
Feb 18, 2018, 6:33 PM CST
In force
4 hr
Issued by
NWS Brownsville, TX

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

The radar

The Brownsville radar (KBRO), 57 km from the middle of the area, began a volume at 20:40 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 12:00Z, 8.7 hours before the alert went out and 60 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 2018-02-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 146 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 2018-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
146 J/kg
Mixed-layer CIN
-202 J/kg
Mixed-layer LCL
770 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
-23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

385 
WWUS74 KBRO 182041
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
241 PM CST Sun Feb 18 2018

...Strong South to Southeast winds affecting the Valley this
afternoon...

.The combination of a surface low pressure system developing over
the central Plains states and strong surface high pressure
centered over the southeastern states is producing strong
southerly winds over the Rio Grande Valley this afternoon.

TXZ253>257-190100-
/O.NEW.KBRO.WI.Y.0003.180218T2041Z-180219T0100Z/
Hidalgo-Inland Willacy-Inland Cameron-Coastal Willacy-
Coastal Cameron-
Including the cities of McAllen, Edinburg, Pharr, Mission, 
Weslaco, Raymondville, Brownsville, Harlingen, Port Mansfield, 
Port Isabel, South Padre Island, Laguna Heights, and Laguna Vista
241 PM CST Sun Feb 18 2018

...WIND ADVISORY IN EFFECT UNTIL 7 PM CST THIS EVENING...

The National Weather Service in Brownsville has issued a Wind
Advisory, which is in effect until 7 PM CST this evening. 

* TIMING...Now through 7 pm this evening. 

* WINDS...South to Southeast winds 25 to 35 mph. 

* IMPACTS...Lightweight and unsecured objects will be easily 
  blown around and possibly damaged. Driving will be difficult, 
  especially for those operating high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 30 to 39 MPH are expected.
Winds this strong can make driving difficult...especially for
high profile vehicles. Use extra caution.

&&

$$
1 follow-up statement
664 
WWUS74 KBRO 190033
NPWBRO

URGENT - WEATHER MESSAGE
National Weather Service Brownsville TX
633 PM CST Sun Feb 18 2018

...Southeast winds are slowly diminishing...

.Winds will continue to diminish through this evening.

TXZ253>257-190145-
/O.CAN.KBRO.WI.Y.0003.000000T0000Z-180219T0100Z/
Hidalgo-Inland Willacy-Inland Cameron-Coastal Willacy-
Coastal Cameron-
Including the cities of McAllen, Edinburg, Pharr, Mission, 
Weslaco, Raymondville, Brownsville, Harlingen, Port Mansfield, 
Port Isabel, South Padre Island, Laguna Heights, and Laguna Vista
633 PM CST Sun Feb 18 2018

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Brownsville has cancelled the
Wind Advisory. 

Winds have diminished below advisory criteria, therefore the 
advisory has been cancelled.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 1:34 AM CSTMarine Dense Fog AdvisoryBRO10 hr

Nearby

Wind Advisories in Texas, 2018Every wind advisory in 2018

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.