Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Brownsville, TX

August 3, 2021Jim Hogg County, Texas

NWS Brownsville, TX issued this special weather statement at Aug 3, 2021, 5:15 PM CDT for Jim Hogg County, Texas. It was in force for 45 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: Aug 3, 2021, 5:15 PM CDT (22:15 UTC)
Expired: Aug 3, 2021, 6:00 PM CDT
In force: 45 min
Issued by: NWS Brownsville, TX

County Jim Hogg County, TX

The radar

The Corpus Christi radar (KCRP), 116 km from the middle of the area, began a volume at 22:14 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

Corpus Christi, TX (KCRP), launched 12:00Z, 10.3 hours before the alert went out and 129 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: 1835 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 693 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -67 m²/s²
0-3 km storm-relative helicity: -84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

904 
WWUS84 KBRO 032215
SPSBRO

Special Weather Statement
National Weather Service Brownsville TX
515 PM CDT Tue Aug 3 2021
 
TXZ249-250-032300-
Brooks TX-Jim Hogg TX-
515 PM CDT Tue Aug 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN JIM HOGG AND
NORTHWESTERN BROOKS COUNTIES UNTIL 600 PM CDT...

At 515 PM CDT, Doppler radar was tracking a strong thunderstorm 14
miles southwest of Ramirez, or 14 miles southeast of Hebbronville,
moving northwest at 10 mph.

Nickel size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Hebbronville and South Fork Estates. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 2734 9855 2734 9852 2727 9852 2726 9845
      2716 9837 2707 9851 2723 9880 2734 9861
      2734 9859 2735 9859 2736 9857 2736 9855
TIME...MOT...LOC 2215Z 136DEG 8KT 2716 9851 

$$

Farris

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 11:03 PM CDT	Areal Flood Advisory	BRO	Starr	86 min
Aug 2, 11:19 PM CDT	Special Weather Statement	BRO	Starr	41 min
Aug 3, 1:02 AM CDT	Areal Flood Advisory	BRO	Hidalgo, Starr	103 min
Aug 3, 1:30 AM CDT	Special Weather Statement	BRO	Zapata	45 min
Aug 3, 1:45 AM CDT	Special Weather Statement	BRO	Hidalgo	45 min
Aug 3, 2:14 AM CDT	Special Weather Statement	BRO	Zapata	46 min
Aug 3, 2:16 AM CDT	Areal Flood Advisory	BRO	Zapata	4 hr
Aug 3, 2:22 AM CDT	Areal Flood Advisory	BRO	Hidalgo	73 min
Aug 3, 2:29 AM CDT	Special Weather Statement	BRO	Hidalgo	31 min
Aug 3, 2:59 AM CDT	Special Weather Statement	BRO	Zapata	46 min
Aug 3, 3:17 AM CDT	Flash Flood Warning	BRO	Zapata	105 min
Aug 3, 3:20 AM CDT	Areal Flood Advisory	BRO	Zapata	3 hr
Aug 3, 3:44 AM CDT	Special Weather Statement	BRO	Zapata	31 min
Aug 3, 4:20 AM CDT	Flash Flood Warning	BRO	Zapata	44 min
Aug 3, 4:30 AM CDT	Special Weather Statement	BRO	Zapata	30 min
Aug 3, 5:47 AM CDT	Special Weather Statement	BRO	Starr	43 min
Aug 3, 6:12 AM CDT	Areal Flood Advisory	BRO	Starr	2 hr
Aug 3, 6:13 AM CDT	Areal Flood Advisory	BRO	Hidalgo	2 hr
Aug 3, 2:05 PM CDT	Special Weather Statement	BRO	Starr	55 min
Aug 3, 4:33 PM CDT	Areal Flood Advisory	BRO	Brooks, Kenedy	57 min
Aug 3, 4:37 PM CDT	Special Weather Statement	BRO	Brooks	38 min
Aug 3, 4:43 PM CDT	Special Weather Statement	BRO	Kenedy	47 min
Aug 3, 6:14 PM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo	61 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.