Alert archive / Texas / Tornado Warnings in 2012
Tornado Warning 27, NWS Brownsville, TX
NWS Brownsville, TX issued this tornado warning at May 11, 2012, 6:58 AM CDT for Cameron County, Texas. It was in force for 32 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 11, 2012, 6:58 AM CDT (11:58 UTC)
- Expired
- May 11, 2012, 7:30 AM CDT
- In force
- 32 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 25 km from the middle of the area, began a volume at 12:00 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, 12.0 hours before the alert went out and 25 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.
- Mixed-layer CAPE
- 2994 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 687 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 7.7
The text
As transmitted, in the capitals the NWS used until 2016.
128
WFUS54 KBRO 111158
TORBRO
TXC061-111230-
/O.NEW.KBRO.TO.W.0027.120511T1158Z-120511T1230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
658 AM CDT FRI MAY 11 2012
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* TORNADO WARNING FOR...
EASTERN CAMERON COUNTY IN DEEP SOUTH TEXAS.
* UNTIL 730 AM CDT
* AT 657 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A TORNADO ON RADAR 8 MILES WEST OF PORT ISABEL...MOVING
EAST AT 25 MPH. A ROTATING WALL CLOUD HAS BEEN REPORTED WITH THIS
STORM AND A TORNADO MAY FORM AT ANY TIME.
* LOCATIONS IMPACTED INCLUDE...
HOLLY BEACH.
LAGUNA VISTA.
LAGUNA HEIGHTS.
PORT ISABEL.
SOUTH PADRE ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 2607 9717 2609 9717 2609 9719 2606 9719
2605 9736 2608 9740 2617 9738 2618 9729
2609 9727 2609 9722 2615 9724 2610 9720
2609 9721 2609 9718 2620 9719 2620 9717
2619 9717 2607 9715
TIME...MOT...LOC 1157Z 261DEG 21KT 2609 9733
$$
JGG4 follow-up statements
873
WWUS54 KBRO 111209
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
709 AM CDT FRI MAY 11 2012
TXC061-111230-
/O.CON.KBRO.TO.W.0027.000000T0000Z-120511T1230Z/
CAMERON-
709 AM CDT FRI MAY 11 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR EASTERN
CAMERON COUNTY...
AT 706 AM CDT...TRAINED SPOTTERS REPORTED A FUNNEL CLOUD OVER THE
LAGUNA MADRE...NEAR LAGUNA VISTA. RADAR CONTINUES TO INDICATE STRONG
ROTATION AND A TORNADO COULD TOUCH DOWN AT ANY MOMENT. TAKE COVER
NOW.
THE TORNADO WILL BE NEAR...
LAGUNA VISTA.
LAGUNA HEIGHTS.
PORT ISABEL.
SOUTH PADRE ISLAND
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.
&&
LAT...LON 2607 9715 2609 9719 2606 9719 2605 9736
2607 9737 2608 9738 2616 9737 2618 9731
2617 9730 2612 9728 2611 9729 2609 9727
2609 9722 2615 9724 2609 9721 2620 9719
2620 9717
TIME...MOT...LOC 1205Z 261DEG 21KT 2610 9728
$$
JGG696
WWUS54 KBRO 111217
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
717 AM CDT FRI MAY 11 2012
TXC061-111230-
/O.CON.KBRO.TO.W.0027.000000T0000Z-120511T1230Z/
CAMERON-
717 AM CDT FRI MAY 11 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR EASTERN
CAMERON COUNTY...
AT 716 AM CDT NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO ON RADAR OVER THE LAGUNA MADRE...MOVING EAST AT 25
MPH.
THE TORNADO WILL BE NEAR...
SOUTH PADRE ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 2607 9715 2609 9719 2606 9719 2606 9723
2609 9727 2609 9721 2620 9719 2620 9717
TIME...MOT...LOC 1216Z 257DEG 21KT 2611 9721
$$
JGG534
WWUS54 KBRO 111225
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
725 AM CDT FRI MAY 11 2012
TXC061-111230-
/O.CON.KBRO.TO.W.0027.000000T0000Z-120511T1230Z/
CAMERON-
725 AM CDT FRI MAY 11 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR EASTERN
CAMERON COUNTY...
AT 725 AM CDT NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO ON RADAR OVER SOUTH PADRE ISLAND...MOVING EAST AT 25
MPH.
THE TORNADO WILL BE NEAR...
SOUTH PADRE ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.
&&
LAT...LON 2607 9715 2609 9719 2610 9720 2620 9719
2620 9717
TIME...MOT...LOC 1225Z 257DEG 21KT 2612 9716
$$
JGG181
WWUS54 KBRO 111230
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
730 AM CDT FRI MAY 11 2012
TXC061-111240-
/O.EXP.KBRO.TO.W.0027.000000T0000Z-120511T1230Z/
CAMERON-
730 AM CDT FRI MAY 11 2012
...THE TORNADO WARNING FOR EASTERN CAMERON COUNTY HAS EXPIRED...
THE STORM CAPABLE OF PRODUCING A TORNADO HAS MOVED EAST OF SOUTH
PADRE ISLAND.
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 2607 9715 2609 9719 2610 9720 2620 9719
2620 9717
TIME...MOT...LOC 1230Z 257DEG 21KT 2613 9713
$$
JGGThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 9:37 PM CDT | Severe Thunderstorm Warning | BRO | Zapata | 53 min |
| May 10, 10:34 PM CDT | Severe Thunderstorm Warning | BRO | Jim Hogg, Starr, Zapata | 71 min |
| May 10, 10:56 PM CDT | Tornado Warning | BRO | Zapata | 34 min |
| May 10, 11:18 PM CDT | Areal Flood Advisory | BRO | Jim Hogg, Zapata | 57 min |
| May 10, 11:24 PM CDT | Tornado Warning | BRO | Zapata | 36 min |
| May 10, 11:33 PM CDT | Tornado Warning | BRO | Jim Hogg, Starr | 42 min |
| May 10, 11:36 PM CDT | Flash Flood Warning | BRO | Jim Hogg, Zapata | 84 min |
| May 10, 11:41 PM CDT | Tornado Warning | BRO | Jim Hogg, Zapata | 24 min |
| May 10, 11:44 PM CDT | Severe Thunderstorm Warning | BRO | Brooks, Hidalgo, Jim Hogg, Starr, Zapata | 76 min |
| May 11, 12:01 AM CDT | Tornado Warning | BRO | Jim Hogg | 29 min |
| May 11, 12:13 AM CDT | Tornado Warning | BRO | Brooks, Jim Hogg | 47 min |
| May 11, 12:47 AM CDT | Severe Thunderstorm Warning | BRO | Brooks, Hidalgo, Jim Hogg, Kenedy, Starr, Willacy | 88 min |
| May 11, 1:07 AM CDT | Areal Flood Advisory | BRO | Starr | 53 min |
| May 11, 1:39 AM CDT | Special Marine Warning | BRO | 2 hr | |
| May 11, 1:58 AM CDT | Areal Flood Advisory | BRO | Hidalgo, Starr | 62 min |
| May 11, 2:14 AM CDT | Special Marine Warning | BRO | 2 hr | |
| May 11, 2:49 AM CDT | Severe Thunderstorm Warning | BRO | Cameron | 41 min |
| May 11, 3:14 AM CDT | Tornado Warning | BRO | Cameron | 31 min |
| May 11, 3:41 AM CDT | Special Marine Warning | BRO | 2 hr | |
| May 11, 3:41 AM CDT | Tornado Warning | BRO | Cameron, Willacy | 34 min |
| May 11, 3:53 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 52 min |
| May 11, 4:10 AM CDT | Severe Thunderstorm Warning | BRO | Cameron | 38 min |
| May 11, 4:20 AM CDT | Special Marine Warning | BRO | 115 min | |
| May 11, 4:29 AM CDT | Tornado Warning | BRO | Cameron | 31 min |
| May 11, 4:47 AM CDT | Tornado Warning | BRO | Cameron | 28 min |
| May 11, 6:11 AM CDT | Special Marine Warning | BRO | 64 min | |
| May 11, 6:30 AM CDT | Tornado Warning | BRO | Cameron | 30 min |
| May 11, 6:45 AM CDT | Special Marine Warning | BRO | 60 min | |
| May 11, 7:12 AM CDT | Special Marine Warning | BRO | 93 min | |
| May 11, 11:48 AM CDT | Special Marine Warning | BRO | 57 min | |
| May 11, 12:37 PM CDT | Special Marine Warning | BRO | 53 min | |
| May 11, 1:27 PM CDT | Special Marine Warning | BRO | 63 min | |
| May 11, 2:01 PM CDT | Special Marine Warning | BRO | 59 min | |
| May 11, 2:26 PM CDT | Special Marine Warning | BRO | 49 min | |
| May 11, 3:25 PM CDT | Special Marine Warning | BRO | 50 min |
Nearby
Tornado Warnings in Texas, 2012Every tornado warning in 2012Tornadoes in 2012
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.