Alert archive / Texas / Flash Flood Warnings in 2015
Flash Flood Warning 49, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Oct 22, 2015, 6:21 PM CDT for Cameron County, Willacy County, Texas. It was in force for 84 min. 1 report 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
- Oct 22, 2015, 6:21 PM CDT (23:21 UTC)
- Expired
- Oct 22, 2015, 7:45 PM CDT
- In force
- 84 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cameron County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 58 km from the middle of the area, began a volume at 23:23 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 |
|---|---|---|---|
| Oct 22, 7:30 PM CDT | FLASH FLOOD | Santa Monica, TX | WILLACY COUNTY EMERGENCY MANAGER REPORTS 8 INCHES OF FLOODWATER ON FM 1420 AND FM 1018 IN THE VICINITY OF SANTA MONICA. |
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 12:00Z, 11.4 hours before the alert went out and 59 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
- 1374 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 705 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
141
WGUS54 KBRO 222321
FFWBRO
TXC061-489-230045-
/O.NEW.KBRO.FF.W.0049.151022T2321Z-151023T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
621 PM CDT THU OCT 22 2015
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL WILLACY COUNTY IN DEEP SOUTH TEXAS...
NORTH CENTRAL CAMERON COUNTY IN DEEP SOUTH TEXAS...
* UNTIL 745 PM CDT
* AT 618 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO FIVE INCHES OF RAIN HAVE
ALREADY FALLEN WITHIN THE WARNED AREA. FLASH FLOODING IS OCCURRING
AND IS EXPECTED TO PERSIST THROUGH THE NEXT FEW HOURS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ARROYO CITY...SAN PERLITA...PORT MANSFIELD AIRPORT...SANTA
MONICA...WILLAMAR...PORFIRIO...SAN PERLITA HIGH SCHOOL...
FM 1420...FM 508...HIGHWAY 186...FM 490...FM 498...AND
FM 2099.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN.
ARROYOS...STREAMS AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 2629 9742 2627 9764 2660 9769 2660 9744
2650 9743 2649 9744 2647 9744 2646 9743
2646 9744 2645 9746 2644 9745 2645 9745
2645 9743 2642 9743 2641 9745 2641 9743
2637 9744 2638 9743
$$
TOMASELLI2 follow-up statements
036
WGUS74 KBRO 230005
FFSBRO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
705 PM CDT THU OCT 22 2015
TXC061-489-230045-
/O.CON.KBRO.FF.W.0049.000000T0000Z-151023T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WILLACY TX-CAMERON TX-
705 PM CDT THU OCT 22 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
CENTRAL WILLACY AND NORTH CENTRAL CAMERON COUNTIES...
AT 703 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN ACROSS THE WARNED AREA. BETWEEN 4 AND 6 INCHES OF RAIN HAVE
ALREADY FALLEN WITHIN THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
PERSIST THROUGH THE NEXT FEW HOURS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ARROYO CITY...SAN PERLITA...PORT MANSFIELD AIRPORT...SANTA MONICA...
WILLAMAR...PORFIRIO AND SAN PERLITA HIGH SCHOOL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN.
ARROYOS...STREAMS AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 2629 9742 2627 9764 2660 9769 2660 9744
2650 9743 2649 9744 2647 9744 2646 9743
2646 9744 2645 9746 2644 9745 2645 9745
2645 9743 2642 9743 2641 9745 2641 9743
2637 9744 2638 9743
$$
TOMASELLI091
WGUS74 KBRO 230036
FFSBRO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
736 PM CDT THU OCT 22 2015
TXC061-489-230045-
/O.CON.KBRO.FF.W.0049.000000T0000Z-151023T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WILLACY TX-CAMERON TX-
736 PM CDT THU OCT 22 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
CENTRAL WILLACY AND NORTH CENTRAL CAMERON COUNTIES...
AT 734 PM CDT...THE WILLACY COUNTY EMERGENCY MANAGER REPORTED 8
INCHES OF FLOODWATER ON FM 1420 AND FM 1018 IN THE VICINITY OF
SANTA MONICA DUE TO PERSISTENT AND HEAVY THUNDERSTORMS. FLASH
FLOODING IS EXPECTED TO CONTINUE THROUGH THE NEXT COUPLE OF HOURS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ARROYO CITY...SAN PERLITA...PORT MANSFIELD AIRPORT...SANTA MONICA...
WILLAMAR...PORFIRIO AND SAN PERLITA HIGH SCHOOL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN.
ARROYOS...STREAMS AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 2629 9742 2627 9764 2660 9769 2660 9744
2650 9743 2649 9744 2647 9744 2646 9743
2646 9744 2645 9746 2644 9745 2645 9745
2645 9743 2642 9743 2641 9745 2641 9743
2637 9744 2638 9743
$$
TOMASELLIThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 21, 9:35 PM CDT | Small Craft Advisory for Winds | BRO | 6 hr | |
| Oct 22, 4:03 AM CDT | Small Craft Advisory | BRO | 3 days | |
| Oct 22, 11:29 AM CDT | Special Marine Warning | BRO | 31 min | |
| Oct 22, 2:43 PM CDT | Special Marine Warning | BRO | 47 min | |
| Oct 22, 2:57 PM CDT | Flash Flood Watch | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 53 hr |
| Oct 22, 3:58 PM CDT | Special Weather Statement | BRO | Willacy | 62 min |
| Oct 22, 4:28 PM CDT | Areal Flood Advisory | BRO | Cameron, Willacy | 92 min |
| Oct 22, 4:58 PM CDT | Flash Flood Warning | BRO | Cameron, Willacy | 92 min |
| Oct 22, 5:06 PM CDT | Special Weather Statement | BRO | Willacy | 54 min |
| Oct 22, 6:10 PM CDT | Special Weather Statement | BRO | Willacy | 65 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.