Alert archive / Texas / Tornado Warnings in 2012
Tornado Warning 18, NWS Brownsville, TX
NWS Brownsville, TX issued this tornado warning at May 10, 2012, 11:33 PM CDT for Jim Hogg County, Starr County, Texas. It was in force for 42 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, 11:33 PM CDT (04:33 UTC)
- Expired
- May 11, 2012, 12:15 AM CDT
- In force
- 42 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
Counties Jim Hogg County, TX, Starr County, TX
The radar
The Brownsville radar (KBRO), 172 km from the middle of the area, began a volume at 04:34 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, 4.6 hours before the alert went out and 174 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.
006
WFUS54 KBRO 110433
TORBRO
TXC247-427-110515-
/O.NEW.KBRO.TO.W.0018.120511T0433Z-120511T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1133 PM CDT THU MAY 10 2012
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN JIM HOGG COUNTY IN DEEP SOUTH TEXAS.
NORTHERN STARR COUNTY IN DEEP SOUTH TEXAS.
* UNTIL 1215 AM CDT
* AT 1132 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A TORNADO ON RADAR 18 MILES WEST OF VIBORAS...MOVING EAST
AT 50 MPH. THIS TORNADO WILL BE WRAPPED IN RAIN AND IMPOSSIBLE TO
SEE. DO NOT WAIT UNTIL YOU SEE THE TORNADO TO TAKE COVER.
* THE TORNADO WILL BE NEAR...
VIBORAS....AND GUERRA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM! MOVE INTO THE INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING...AWAY FROM WINDOWS. COVER YOUR HEAD AND
BODY WITH PILLOWS OR BLANKETS.
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.
&&
LAT...LON 2668 9901 2679 9895 2687 9895 2686 9855
2658 9869 2665 9904
TIME...MOT...LOC 0432Z 280DEG 51KT 2675 9907
$$
JGG2 follow-up statements
337
WWUS54 KBRO 110502
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1202 AM CDT FRI MAY 11 2012
TXC247-427-110515-
/O.CON.KBRO.TO.W.0018.000000T0000Z-120511T0515Z/
JIM HOGG-STARR-
1202 AM CDT FRI MAY 11 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR NORTHERN
STARR AND SOUTHWESTERN JIM HOGG COUNTIES...
AT 1202 AM CDT NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO 3 MILES NORTH OF VIBORAS...MOVING EAST AT 35 MPH.
THE TORNADO WILL BE NEAR...
AREAS BETWEEN VIBORAS AND GUERRA...AND EAST OF THERE.
LAT...LON 2670 9897 2679 9895 2687 9895 2686 9855
2662 9867
TIME...MOT...LOC 0502Z 280DEG 51KT 2675 9875
$$
JGG053
WWUS54 KBRO 110514
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1214 AM CDT FRI MAY 11 2012
TXC247-427-110524-
/O.EXP.KBRO.TO.W.0018.000000T0000Z-120511T0515Z/
JIM HOGG-STARR-
1214 AM CDT FRI MAY 11 2012
...THE TORNADO WARNING FOR NORTHERN STARR AND SOUTHWESTERN JIM HOGG
COUNTIES WILL EXPIRE AT 1215 AM CDT...
THE IMMEDIATE THREAT OF A TORNADO WITH THIS STORM HAS ENDED. HOWEVER
A TORNADO WATCH REMAINS IN EFFECT AND A SEVERE THUNDERSTORM WARNING
REMAINS IN EFFECT.
LAT...LON 2670 9897 2679 9895 2687 9895 2686 9855
2662 9867
TIME...MOT...LOC 0514Z 280DEG 51KT 2672 9856
$$
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, 11:36 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.