Alert archive / Texas / Flash Flood Warnings in 2015
Flash Flood Warning 9, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Apr 24, 2015, 1:39 AM CDT for Starr County, Texas. It was in force for 3 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 24, 2015, 1:39 AM CDT (06:39 UTC)
- Expired
- Apr 24, 2015, 4:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Starr County, TX
The radar
The Brownsville radar (KBRO), 157 km from the middle of the area, began a volume at 06:40 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 24, 1:44 AM CDT | FLASH FLOOD | Rio Grande City, TX | RIO GRANDE CITY POLICE DEPARTMENT REPORTS 10 TO 15 STREETS IN RIO GRANDE CITY FLOODED WITH 4 TO 6 INCHES OF FLOWING WATER. ALSO POWER OUT THROUGHOUT MOST OF THE CITY. |
| Apr 24, 1:58 AM CDT | FLASH FLOOD | Rio Grande City, TX | RIO GRANDE CITY POLICE DEPARTMENT NOW REPORTS 20 TO 30 STREETS FLOODED WITH FLOWING WATER IN RIO GRANDE CITY. WATER DEPTH UNKNOWN AT THIS TIME. |
| Apr 24, 2:00 AM CDT | FLASH FLOOD | Rio Grande City, TX | RIO GRANDE CITY POLICE DEPARTMENT REPORTS PARKING LOT OF POLICE SUBSTATION HAD 8 TO 12 INCHES OF WATER FLOODING PARKING LOT. NO HOMES FLOODED IN THE CITY. HIGHWAY 83 HAD 2 TO 3 INCHES OF WATER ON THE ROADWAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 6.7 hours before the alert went out and 159 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
- 1495 J/kg
- Mixed-layer CIN
- -245 J/kg
- Mixed-layer LCL
- 1000 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
178
WGUS54 KBRO 240639
FFWBRO
TXC427-240945-
/O.NEW.KBRO.FF.W.0009.150424T0639Z-150424T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
139 AM CDT FRI APR 24 2015
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN STARR COUNTY IN DEEP SOUTH TEXAS...
* UNTIL 445 AM CDT
* AT 138 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...RIO GRANDE
CITY...LA ROSITA...ESCOBARES...NORTH ESCOBARES...LOS ALVAREZ...LAS
LOMAS...LOS GARZAS...SANTA CRUZ...GARCENO AND LOS VILLAREALES.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2647 9896 2651 9875 2633 9877 2633 9879
2637 9880 2637 9886 2635 9890 2637 9890
2638 9892 2639 9893 2637 9894 2637 9895
2639 9895 2640 9896 2640 9898 2639 9899
$$
CASTILLO2 follow-up statements
241
WGUS74 KBRO 240726
FFSBRO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
226 AM CDT FRI APR 24 2015
TXC427-240945-
/O.CON.KBRO.FF.W.0009.000000T0000Z-150424T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARR TX-
226 AM CDT FRI APR 24 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR
SOUTHWESTERN STARR COUNTY...
AT 224 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY
FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... RIO GRANDE
CITY...LA ROSITA...ESCOBARES...NORTH ESCOBARES...LOS ALVAREZ...LAS
LOMAS...LOS GARZAS...SANTA CRUZ...GARCENO AND LOS VILLAREALES.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2647 9896 2651 9875 2633 9877 2633 9879
2637 9880 2637 9886 2635 9890 2637 9890
2638 9892 2639 9893 2637 9894 2637 9895
2639 9895 2640 9896 2640 9898 2639 9899
$$
CASTILLO595
WGUS74 KBRO 240744
FFSBRO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
244 AM CDT FRI APR 24 2015
TXC427-240754-
/O.CAN.KBRO.FF.W.0009.000000T0000Z-150424T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STARR TX-
244 AM CDT FRI APR 24 2015
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN STARR COUNTY IS
CANCELLED...
THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.
LAT...LON 2647 9896 2651 9875 2633 9877 2633 9879
2637 9880 2637 9886 2635 9890 2637 9890
2638 9892 2639 9893 2637 9894 2637 9895
2639 9895 2640 9896 2640 9898 2639 9899
$$
CASTILLOThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 12:31 AM CDT | Special Weather Statement | BRO | Starr | 44 min |
| Apr 24, 12:49 AM CDT | Areal Flood Advisory | BRO | Starr | 116 min |
| Apr 24, 1:15 AM CDT | Areal Flood Advisory | BRO | Starr | 2 hr |
| Apr 24, 1:26 AM CDT | Special Weather Statement | BRO | Starr | 49 min |
| Apr 24, 2:17 AM CDT | Special Weather Statement | BRO | Starr | 43 min |
| Apr 24, 2:18 AM CDT | Areal Flood Advisory | BRO | Hidalgo, Starr | 117 min |
Nearby
Flash Flood Warnings in Texas, 2015Every flash flood 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.