Alert archive / Texas / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 21, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Apr 17, 2015, 11:01 PM CDT for Brooks County, Hidalgo County, Kenedy County, Texas. It was in force for 29 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
- Apr 17, 2015, 11:01 PM CDT (04:01 UTC)
- Expired
- Apr 17, 2015, 11:30 PM CDT
- In force
- 29 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
Counties Brooks County, TX, Hidalgo County, TX, Kenedy County, TX
The radar
The Corpus Christi radar (KCRP), 113 km from the middle of the area, began a volume at 04:04 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 |
|---|---|---|---|
| Apr 17, 6:57 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 4.0 hours before the alert went out and 116 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
- 1803 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 771 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 9.1
The text
As transmitted, in the capitals the NWS used until 2016.
507 WUUS54 KBRO 180401 SVRBRO TXC047-215-261-180430- /O.NEW.KBRO.SV.W.0021.150418T0401Z-150418T0430Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 1101 PM CDT FRI APR 17 2015 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL HIDALGO COUNTY IN DEEP SOUTH TEXAS... SOUTHWESTERN KENEDY COUNTY IN DEEP SOUTH TEXAS... SOUTHEASTERN BROOKS COUNTY IN DEEP SOUTH TEXAS... * UNTIL 1130 PM CDT * AT 1100 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR EL COYOTE RANCH AIRPORT... AND MOVING EAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... EL COYOTE RANCH AIRPORT...ARMSTRONG...BORDER PATROL...NORIAS... RACHAL AND ARMSTRONG RANCH AIRPORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA. ALTHOUGH A TORNADO IS NOT IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL... DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR PORTIONS OF DEEP SOUTH TEXAS. LAT...LON 2702 9777 2670 9774 2668 9828 2686 9831 TIME...MOT...LOC 0400Z 262DEG 31KT 2679 9824 $$ CACERES
2 follow-up statements
228 WWUS54 KBRO 180419 SVSBRO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1119 PM CDT FRI APR 17 2015 TXC047-215-261-180430- /O.CON.KBRO.SV.W.0021.000000T0000Z-150418T0430Z/ HIDALGO TX-KENEDY TX-BROOKS TX- 1119 PM CDT FRI APR 17 2015 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR NORTH CENTRAL HIDALGO...SOUTHWESTERN KENEDY AND SOUTHEASTERN BROOKS COUNTIES... AT 1118 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES SOUTHEAST OF RACHAL...OR 9 MILES EAST OF EL COYOTE RANCH AIRPORT...MOVING EAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... ARMSTRONG...BORDER PATROL...NORIAS...RACHAL AND ARMSTRONG RANCH AIRPORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. ALTHOUGH A TORNADO IS NOT IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL... DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR PORTIONS OF DEEP SOUTH TEXAS. LAT...LON 2702 9777 2670 9774 2671 9815 2689 9816 TIME...MOT...LOC 0418Z 262DEG 31KT 2681 9806 $$ CACERES
286
WWUS54 KBRO 180433
SVSBRO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1133 PM CDT FRI APR 17 2015
TXC047-215-261-180442-
/O.EXP.KBRO.SV.W.0021.000000T0000Z-150418T0430Z/
HIDALGO TX-KENEDY TX-BROOKS TX-
1133 PM CDT FRI APR 17 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL HIDALGO...
SOUTHWESTERN KENEDY AND SOUTHEASTERN BROOKS COUNTIES HAS EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING HAS BEEN ALLOWED TO
EXPIRE. HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 2702 9777 2670 9774 2671 9815 2689 9816
TIME...MOT...LOC 0431Z 262DEG 31KT 2681 9806
$$
CACERESThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 9:02 PM CDT | Severe Thunderstorm Warning | BRO | Starr, Zapata | 58 min |
| Apr 17, 9:23 PM CDT | Tornado Warning | BRO | Starr, Zapata | 22 min |
| Apr 17, 9:40 PM CDT | Tornado Warning | BRO | Starr | 35 min |
| Apr 17, 9:50 PM CDT | Areal Flood Advisory | BRO | Jim Hogg, Starr, Zapata | 115 min |
| Apr 17, 9:52 PM CDT | Severe Thunderstorm Warning | BRO | Jim Hogg, Starr, Zapata | 53 min |
| Apr 17, 10:08 PM CDT | Special Weather Statement | BRO | Jim Hogg | 37 min |
| Apr 17, 10:14 PM CDT | Severe Thunderstorm Warning | BRO | Jim Hogg | 30 min |
| Apr 17, 10:28 PM CDT | Areal Flood Advisory | BRO | Brooks, Jim Hogg | 2 hr |
| Apr 17, 10:37 PM CDT | Severe Thunderstorm Warning | BRO | Brooks, Hidalgo, Jim Hogg, Starr | 23 min |
| Apr 17, 11:07 PM CDT | Special Weather Statement | BRO | Kenedy | 38 min |
| Apr 17, 11:10 PM CDT | Special Marine Warning | BRO | 95 min | |
| Apr 17, 11:43 PM CDT | Special Weather Statement | BRO | Kenedy | 47 min |
| Apr 18, 8:32 AM CDT | Areal Flood Advisory | BRO | Zapata | 118 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2015Every severe thunderstorm warning in 2015
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.