Alert archive / Texas / Tornado Warnings in 2008

Tornado Warning 4, NWS Brownsville, TX

July 23, 2008Cameron County, Hidalgo County, Willacy County, Texas

NWS Brownsville, TX issued this tornado warning at Jul 23, 2008, 6:45 AM CDT for Cameron County, Hidalgo County, Willacy County, Texas. It was in force for 30 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: Jul 23, 2008, 6:45 AM CDT (11:45 UTC)
Expired: Jul 23, 2008, 7:15 AM CDT
In force: 30 min
Issued by: NWS Brownsville, TX
Area: Storm-based polygon

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

The radar

The Brownsville radar (KBRO), 53 km from the middle of the area, began a volume at 11:49 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 22, 10:27 PM CDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 11.8 hours before the alert went out and 55 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: 2229 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KBRO 231145
TORBRO
TXC061-215-489-231215-
/O.NEW.KBRO.TO.W.0004.080723T1145Z-080723T1215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
645 AM CDT WED JUL 23 2008

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS.
  SOUTHEASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS.
  EASTERN WILLACY COUNTY IN DEEP SOUTH TEXAS.

* UNTIL 715 AM CDT

* AT 645 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 18 MILES NORTHEAST OF HARLINGEN VALLEY AIRPORT...MOVING
  SOUTHWEST AT 46 MPH.

* THE TORNADO WILL BE NEAR...
  PORFIRIO BY 650 AM CDT.
  SANTA MONICA BY 655 AM CDT.
  SEBASTIAN BY 705 AM CDT.
  PRIMERA BY 710 AM CDT.
  SANTA ROSA BY 715 AM CDT.

PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.


&&

LAT...LON 2622 9797 2659 9753 2646 9740 2645 9741
      2644 9741 2606 9780
TIME...MOT...LOC 1145Z 045DEG 40KT 2645 9755

$$

TOMASELLI

1 follow-up statement

000 
WWUS54 KBRO 231204
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
704 AM CDT WED JUL 23 2008

TXC061-215-489-231215-
/O.CON.KBRO.TO.W.0004.000000T0000Z-080723T1215Z/
HIDALGO-WILLACY-CAMERON-
704 AM CDT WED JUL 23 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR
NORTHWESTERN CAMERON...EASTERN WILLACY AND SOUTHEASTERN HIDALGO
COUNTIES...

AT 704 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 7 MILES NORTH OF HARLINGEN VALLEY AIRPORT...MOVING SOUTHWEST
AT 46 MPH.

THE TORNADO WILL BE NEAR...
  SEBASTIAN BY 705 AM CDT.
  PRIMERA BY 710 AM CDT.
  SANTA ROSA BY 715 AM CDT.

PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OF LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.

&&

LAT...LON 2622 9797 2659 9753 2646 9740 2645 9741
      2644 9741 2606 9780
TIME...MOT...LOC 1204Z 045DEG 40KT 2630 9771

$$

TOMASELLI

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 7:51 PM CDT	Marine Weather Statement	BRO		3 hr
Jul 22, 10:03 PM CDT	Tornado Warning	BRO	Cameron	18 min
Jul 22, 11:14 PM CDT	Tornado Warning	BRO	Cameron	16 min
Jul 22, 11:30 PM CDT	Tornado Warning	BRO	Cameron	15 min
Jul 23, 7:10 AM CDT	Tornado Warning	BRO	Cameron, Hidalgo, Willacy	17 min
Jul 23, 7:43 AM CDT	Areal Flood Warning	BRO	Kenedy, Willacy	3 hr
Jul 23, 8:21 AM CDT	Areal Flood Warning	BRO	Cameron	3 hr
Jul 23, 11:30 AM CDT	Areal Flood Advisory	BRO	Cameron, Willacy	2 hr
Jul 23, 12:47 PM CDT	Flash Flood Warning	BRO	Cameron	3 hr
Jul 23, 2:02 PM CDT	Flash Flood Warning	BRO	Cameron, Willacy	3 hr
Jul 23, 3:46 PM CDT	Areal Flood Advisory	BRO	Brooks, Cameron, Hidalgo, Kenedy, Starr, Willacy	3 hr
Jul 23, 4:19 PM CDT	Flash Flood Warning	BRO	Cameron, Hidalgo, Willacy	116 min

Nearby

Tornado Warnings in Texas, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.