Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Brownsville, TX

May 29, 2017Cameron County, Texas

NWS Brownsville, TX issued this special weather statement at May 29, 2017, 4:40 AM CDT for Cameron County, Texas. It was in force for 50 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: May 29, 2017, 4:40 AM CDT (09:40 UTC)
Expired: May 29, 2017, 5:30 AM CDT
In force: 50 min
Issued by: NWS Brownsville, TX

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 12 km from the middle of the area, began a volume at 09:42 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, 9.7 hours before the alert went out and 11 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: 3968 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 659 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Brownsville, TX wrote its last area forecast discussion before this special weather statement went out at May 29, 4:25 AM CDT, 15 minutes earlier.

Area forecast discussion, May 29, 4:25 AM CDT, 15 minutes before

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Hazardous weather outlook, May 29, 1:43 AM CDT, 2 hours 57 minutes before

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In the hours before

Special weather statement, May 29, 2:47 AM CDT, 1 hour 53 minutes before

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Special weather statement, May 29, 2:53 AM CDT, 1 hour 47 minutes before

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Special weather statement, May 29, 3:07 AM CDT, 1 hour 33 minutes before

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Special weather statement, May 29, 3:14 AM CDT, 1 hour 26 minutes before

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Special weather statement, May 29, 3:41 AM CDT, 59 minutes before

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Special weather statement, May 29, 4:40 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 10:43 PM CDT	Special Weather Statement	BRO	Zapata	62 min
May 28, 11:14 PM CDT	Areal Flood Advisory	BRO	Zapata	91 min
May 28, 11:25 PM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg, Zapata	65 min
May 28, 11:41 PM CDT	Severe Thunderstorm Warning	BRO	Jim Hogg, Starr, Zapata	64 min
May 28, 11:49 PM CDT	Flash Flood Warning	BRO	Zapata	86 min
May 29, 12:16 AM CDT	Areal Flood Advisory	BRO	Jim Hogg, Starr	89 min
May 29, 12:23 AM CDT	Severe Thunderstorm Warning	BRO	Brooks, Hidalgo, Jim Hogg, Starr	52 min
May 29, 12:37 AM CDT	Flash Flood Warning	BRO	Jim Hogg, Starr, Zapata	83 min
May 29, 12:43 AM CDT	Severe Thunderstorm Warning	BRO	Brooks, Jim Hogg, Kenedy	62 min
May 29, 1:03 AM CDT	Areal Flood Advisory	BRO	Brooks, Starr	87 min
May 29, 1:16 AM CDT	Severe Thunderstorm Warning	BRO	Brooks, Hidalgo, Kenedy, Starr, Willacy	59 min
May 29, 1:27 AM CDT	Special Weather Statement	BRO	Starr	48 min
May 29, 1:43 AM CDT	Flash Flood Warning	BRO	Brooks, Hidalgo, Starr	92 min
May 29, 1:43 AM CDT	Severe Thunderstorm Warning	BRO	Brooks, Kenedy	62 min
May 29, 2:08 AM CDT	Special Weather Statement	BRO	Willacy	52 min
May 29, 2:24 AM CDT	Special Weather Statement	BRO	Hidalgo	36 min
May 29, 2:35 AM CDT	Special Marine Warning	BRO		85 min
May 29, 2:45 AM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo, Willacy	90 min
May 29, 2:47 AM CDT	Special Weather Statement	BRO	Kenedy	43 min
May 29, 2:53 AM CDT	Special Weather Statement	BRO	Cameron	52 min
May 29, 3:07 AM CDT	Special Weather Statement	BRO	Willacy	38 min
May 29, 3:14 AM CDT	Special Weather Statement	BRO	Hidalgo	46 min
May 29, 3:41 AM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo, Willacy	64 min
May 29, 3:41 AM CDT	Special Weather Statement	BRO	Cameron	64 min
May 29, 3:55 AM CDT	Special Marine Warning	BRO		95 min
May 29, 4:37 AM CDT	Areal Flood Advisory	BRO	Cameron	53 min
May 29, 5:27 AM CDT	Special Marine Warning	BRO		63 min
May 29, 9:15 AM CDT	Small Craft Advisory for Winds	BRO		3 hr

Nearby

Special Weather Statements in Texas, 2017 Every special weather statement in 2017

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.