Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Brownsville, TX

June 1, 2021Hidalgo County, Willacy County, Texas

NWS Brownsville, TX issued this special weather statement at Jun 1, 2021, 8:21 AM CDT for Hidalgo County, Willacy County, Texas. It was in force for 39 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: Jun 1, 2021, 8:21 AM CDT (13:21 UTC)
Expired: Jun 1, 2021, 9:00 AM CDT
In force: 39 min
Issued by: NWS Brownsville, TX

Counties Hidalgo County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 73 km from the middle of the area, began a volume at 13:23 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, 1.4 hours before the alert went out and 75 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: 2345 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 589 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

As transmitted.

153 
WWUS84 KBRO 011321
SPSBRO

Special Weather Statement
National Weather Service Brownsville TX
821 AM CDT Tue Jun 1 2021
 
TXZ251-253>256-351-353-011400-
Coastal Willacy TX-Inland Willacy TX-Southern Hidalgo TX-
Coastal Kenedy TX-Northern Hidalgo TX-Inland Cameron TX-
Inland Kenedy TX-
821 AM CDT Tue Jun 1 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN 
KENEDY...EASTERN HIDALGO...NORTHWESTERN CAMERON AND WILLACY COUNTIES 
UNTIL 900 AM CDT...

At 820 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles east of Rudolph to 21 miles southwest
of Hidalgo High School. Movement was east at 20 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Edinburg, Mission, Pharr, Harlingen, Weslaco, San Juan, Alamo, Donna,
Mercedes and Raymondville.

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.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2669 9747 2669 9734 2667 9746 2666 9746
      2668 9735 2665 9744 2655 9742 2603 9774
      2607 9786 2606 9820 2619 9842 2682 9788
      2674 9742 2670 9746 2673 9733 2672 9733
TIME...MOT...LOC 1320Z 283DEG 18KT 2665 9766 2584 9845 

$$

Mejia

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 4:14 AM CDT	Special Weather Statement	BRO	Jim Hogg	46 min
Jun 1, 4:38 AM CDT	Severe Thunderstorm Warning	BRO	Brooks, Jim Hogg	33 min
Jun 1, 5:10 AM CDT	Special Weather Statement	BRO	Jim Hogg	50 min
Jun 1, 5:29 AM CDT	Special Weather Statement	BRO	Brooks	46 min
Jun 1, 6:10 AM CDT	Special Weather Statement	BRO	Kenedy	80 min
Jun 1, 6:30 AM CDT	Special Weather Statement	BRO	Brooks	45 min
Jun 1, 6:34 AM CDT	Special Weather Statement	BRO	Hidalgo	41 min
Jun 1, 7:04 AM CDT	Special Weather Statement	BRO	Hidalgo, Kenedy, Willacy	41 min
Jun 1, 7:30 AM CDT	Special Marine Warning	BRO		60 min
Jun 1, 7:41 AM CDT	Special Weather Statement	BRO	Hidalgo, Kenedy, Willacy	49 min
Jun 1, 7:58 AM CDT	Areal Flood Advisory	BRO	Hidalgo	2 hr
Jun 1, 8:27 AM CDT	Special Marine Warning	BRO		63 min
Jun 1, 8:57 AM CDT	Special Weather Statement	BRO	Willacy	48 min
Jun 1, 9:54 AM CDT	Areal Flood Advisory	BRO	Hidalgo	66 min

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.