Alert archive / Texas / Tornado Warnings in 2012
Tornado Warning 17, NWS Brownsville, TX
NWS Brownsville, TX issued this tornado warning at May 10, 2012, 11:24 PM CDT for Zapata County, Texas. It was in force for 36 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 10, 2012, 11:24 PM CDT (04:24 UTC)
- Expired
- May 11, 2012, 12:00 AM CDT
- In force
- 36 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
County Zapata County, TX
The radar
The Corpus Christi radar (KCRP), 200 km from the middle of the area, began a volume at 04:28 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 |
|---|---|---|---|
| May 10, 7:50 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 4.4 hours before the alert went out and 207 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.
187
WFUS54 KBRO 110424
TORBRO
TXC505-110500-
/O.NEW.KBRO.TO.W.0017.120511T0424Z-120511T0500Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1124 PM CDT THU MAY 10 2012
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN ZAPATA COUNTY IN DEEP SOUTH TEXAS.
* UNTIL MIDNIGHT CDT
* AT 1123 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A TORNADO ON RADAR FIVE MILES WEST OF ALEJANDRENAS
...MOVING EAST AT 30 MPH. SPOTTERS REPORTED 70 MPH WINDS IN ZAPATA
WITH THIS STORM.
* THE TORNADO WILL BE NEAR...
SIESTA SHORES.
MORALES-SANCHEZ.
LOPENO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT. TAKE COVER NOW! MOVE TO
A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON MOBILE HOMES. IF
IN A VEHICLE AND THERE IS NO STURDY BUILDING NEARBY...PARK. CLOSE
WINDOWS...LEAVE SEATBELTS ON...GET LOWER THAN THE DASHBOARD...AND
COVER YOUR HEAD...PREFERABLY WITH BLANKETS OR PILLOWS. IF THERE IS NO
DEBRIS...LEAVE THE VEHICLE AND GO INTO A DITCH OR LOW SPOT...BUT
WATCH FOR RISING WATERS.
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 2689 9932 2688 9895 2679 9895 2667 9901
2669 9921 2672 9921 2675 9925 2679 9925
2682 9927 2684 9927 2686 9929 2686 9932
2687 9933
TIME...MOT...LOC 0423Z 274DEG 26KT 2679 9922
$$
JGG2 follow-up statements
721
WWUS54 KBRO 110443
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1143 PM CDT THU MAY 10 2012
TXC505-110500-
/O.CON.KBRO.TO.W.0017.000000T0000Z-120511T0500Z/
ZAPATA-
1143 PM CDT THU MAY 10 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTHEASTERN ZAPATA COUNTY...
AT 1143 PM CDT NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO 11 MILES NORTH OF FALCON...MOVING EAST AT 30 MPH.
WIDESPREAD DAMAGING WINDS TO 80 MPH WILL ALSO BE POSSIBLE FROM NEAR
LOPENO NORTHWARD TO ALEJANDRENAS AND WEST OF GUERRA. TAKE COVER.
THE TORNADO WILL BE NEAR...
MORALES-SANCHEZ.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT TORNADOES OR FUNNEL CLOUDS...WINDS OF 58 MPH OR
HIGHER...HAIL THE SIZE OF PENNIES OR LARGER...AND ANY WIND DAMAGE TO
YOUR NATIONAL WEATHER SERVICE IN BROWNSVILLE BY CALLING 956-504-1432.
&&
LAT...LON 2688 9912 2688 9895 2679 9895 2670 9900
2667 9901 2670 9919
TIME...MOT...LOC 0443Z 273DEG 24KT 2679 9902
$$
JGG617
WWUS54 KBRO 110457
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1157 PM CDT THU MAY 10 2012
TXC505-110507-
/O.EXP.KBRO.TO.W.0017.000000T0000Z-120511T0500Z/
ZAPATA-
1157 PM CDT THU MAY 10 2012
...THE TORNADO WARNING FOR SOUTHEASTERN ZAPATA COUNTY WILL EXPIRE AT
MIDNIGHT CDT...
THE TORNADO CIRCULATION HAS MOVED EAST OF SOUTHEASTERN ZAPATA
COUNTY. A SEVERE THUNDERSTORM WARNING AND A TORNADO WATCH REMAINS IN
EFFECT AND ADDITIONAL SEVERE WEATHER WILL BE POSSIBLE.
LAT...LON 2688 9912 2688 9895 2679 9895 2670 9900
2667 9901 2670 9919
TIME...MOT...LOC 0457Z 273DEG 24KT 2678 9892
$$
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, 11:33 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, 6:58 AM CDT | Tornado Warning | BRO | Cameron | 32 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.