Alert archive / Texas / Tornado Warnings in 2010

Tornado Warning 13, NWS Brownsville, TX

June 30, 2010Cameron County, Texas

NWS Brownsville, TX issued this tornado warning at Jun 30, 2010, 2:17 PM CDT for Cameron County, Texas. It was in force for 28 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 30, 2010, 2:17 PM CDT (19:17 UTC)
Expired: Jun 30, 2010, 2:45 PM CDT
In force: 28 min
Issued by: NWS Brownsville, TX
Area: Storm-based polygon

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 18 km from the middle of the area, began a volume at 19:20 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
Jun 30, 10:46 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 7.3 hours before the alert went out and 20 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: 880 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 501 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 181 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

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

809 
WFUS54 KBRO 301917
TORBRO
TXC061-301945-
/O.NEW.KBRO.TO.W.0013.100630T1917Z-100630T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
217 PM CDT WED JUN 30 2010

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CAMERON COUNTY IN DEEP SOUTH TEXAS.

* UNTIL 245 PM CDT

* AT 217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 14 MILES NORTHEAST OF OLMITO...MOVING WEST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  HOLLY BEACH.
  LOS FRESNOS.
  OLMITO.
  RANCHO VIEJO.
  LA PALOMA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2594 9759 2596 9760 2596 9762 2602 9766
      2602 9768 2603 9771 2612 9774 2617 9731
      2615 9731 2612 9730 2611 9730 2609 9726
TIME...MOT...LOC 1917Z 074DEG 42KT 2611 9736

$$

HART

1 follow-up statement

327 
WWUS54 KBRO 301932
SVSBRO

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
232 PM CDT WED JUN 30 2010

TXC061-301945-
/O.CON.KBRO.TO.W.0013.000000T0000Z-100630T1945Z/
CAMERON-
232 PM CDT WED JUN 30 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM CDT FOR SOUTHERN
CAMERON COUNTY...

AT 232 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 3 MILES NORTH OF OLMITO...MOVING WEST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  OLMITO.
  RANCHO VIEJO.
  EL CALABOZ.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&


LAT...LON 2612 9740 2611 9739 2609 9738 2609 9740
      2607 9738 2594 9759 2596 9760 2596 9762
      2602 9766 2602 9768 2603 9771 2612 9774
TIME...MOT...LOC 1932Z 074DEG 42KT 2606 9755

$$
HART

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 5:43 AM CDT	Areal Flood Advisory	BRO	Hidalgo	2 hr
Jun 30, 7:54 AM CDT	Areal Flood Advisory	BRO	Cameron	111 min
Jun 30, 10:03 AM CDT	Areal Flood Advisory	BRO	Cameron	87 min
Jun 30, 10:08 AM CDT	Tornado Warning	BRO	Cameron	37 min
Jun 30, 11:21 AM CDT	Special Marine Warning	BRO		24 min
Jun 30, 11:36 AM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo, Willacy	114 min
Jun 30, 12:06 PM CDT	Tornado Warning	BRO	Willacy	24 min
Jun 30, 12:28 PM CDT	Tornado Warning	BRO	Hidalgo, Kenedy, Willacy	32 min
Jun 30, 12:46 PM CDT	Special Marine Warning	BRO		44 min
Jun 30, 12:49 PM CDT	Tornado Warning	BRO	Jim Hogg, Starr	26 min
Jun 30, 1:02 PM CDT	Tornado Warning	BRO	Cameron	43 min
Jun 30, 1:14 PM CDT	Areal Flood Advisory	BRO	Kenedy	91 min
Jun 30, 1:32 PM CDT	Special Marine Warning	BRO		58 min
Jun 30, 1:46 PM CDT	Tornado Warning	BRO	Cameron	14 min
Jun 30, 1:52 PM CDT	Flash Flood Warning	BRO	Cameron	3 hr
Jun 30, 2:42 PM CDT	Tornado Warning	BRO	Cameron	33 min
Jun 30, 3:05 PM CDT	Flash Flood Warning	BRO	Cameron, Willacy	115 min
Jun 30, 3:28 PM CDT	Flash Flood Warning	BRO	Cameron, Hidalgo	2 hr
Jun 30, 3:40 PM CDT	Special Marine Warning	BRO		35 min
Jun 30, 3:59 PM CDT	Tornado Warning	BRO	Cameron, Hidalgo, Willacy	16 min
Jun 30, 4:05 PM CDT	Tornado Warning	BRO	Hidalgo, Willacy	25 min
Jun 30, 4:16 PM CDT	Tornado Warning	BRO	Cameron, Willacy	29 min
Jun 30, 4:23 PM CDT	Tornado Warning	BRO	Hidalgo, Willacy	22 min
Jun 30, 4:46 PM CDT	Flash Flood Warning	BRO	Cameron	119 min
Jun 30, 5:11 PM CDT	Flash Flood Warning	BRO	Cameron, Willacy	2 hr
Jun 30, 5:30 PM CDT	Flash Flood Warning	BRO	Cameron, Hidalgo	2 hr
Jun 30, 6:33 PM CDT	Tornado Warning	BRO	Cameron	12 min
Jun 30, 6:45 PM CDT	Flash Flood Warning	BRO	Cameron	4 hr

Nearby

Tornado Warnings in Texas, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.