Alert archive / Texas / Flash Flood Warnings in 2018
Flash Flood Warning 3, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Jun 20, 2018, 4:32 AM CDT for Cameron County, Hidalgo County, Texas. It was in force for 118 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
- Jun 20, 2018, 4:32 AM CDT (09:32 UTC)
- Expired
- Jun 20, 2018, 6:30 AM CDT
- In force
- 118 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cameron County, TX, Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 47 km from the middle of the area, began a volume at 09:30 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 nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 9.5 hours before the alert went out and 189 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
- 431 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 705 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
438
WGUS54 KBRO 200932
FFWBRO
TXC061-215-201130-
/O.NEW.KBRO.FF.W.0003.180620T0932Z-180620T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Brownsville TX
432 AM CDT WED JUN 20 2018
The National Weather Service in Brownsville has issued a
* Flash Flood Warning for...
Southeastern Hidalgo County in Deep South Texas...
Northwestern Cameron County in Deep South Texas...
* Until 630 AM CDT.
* At 431 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 5 and 7 inches of
rain have already fallen within the warned area. Flash flooding
is expected to begin shortly.
* Some locations that will experience flooding include...
Harlingen, Weslaco, San Benito, Mercedes, La Feria, Progreso,
Edcouch, Santa Rosa, Rio Hondo and La Villa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 2605 9781 2606 9782 2605 9783 2605 9786
2607 9786 2606 9787 2607 9789 2606 9793
2607 9793 2605 9794 2606 9795 2605 9797
2607 9799 2636 9798 2630 9757 2608 9757
2605 9779 2606 9780
$$
TOMASELLI1 follow-up statement
595
WGUS74 KBRO 201042
FFSBRO
Flash Flood Statement
National Weather Service Brownsville TX
542 AM CDT WED JUN 20 2018
TXC061-215-201130-
/O.CON.KBRO.FF.W.0003.000000T0000Z-180620T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hidalgo TX-Cameron TX-
542 AM CDT WED JUN 20 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR
SOUTHEASTERN HIDALGO AND NORTHWESTERN CAMERON COUNTIES...
At 540 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to 12 inches of rain have already
fallen within the warned area. Flash flooding is expected to begin
shortly if not in progress already.
Some locations that will experience flooding include...
Harlingen, Weslaco, San Benito, Mercedes, La Feria, Progreso,
Edcouch, Santa Rosa, Rio Hondo and La Villa.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 2605 9781 2606 9782 2605 9783 2605 9786
2607 9786 2606 9787 2607 9789 2606 9793
2607 9793 2605 9794 2606 9795 2605 9797
2607 9799 2636 9798 2630 9757 2608 9757
2605 9779 2606 9780
$$
TOMASELLIThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:53 PM CDT | Areal Flood Warning | BRO | Brooks | 3 hr |
| Jun 20, 12:04 AM CDT | Special Marine Warning | BRO | 41 min | |
| Jun 20, 2:40 AM CDT | Areal Flood Advisory | BRO | Willacy | 2 hr |
| Jun 20, 3:05 AM CDT | Special Marine Warning | BRO | 55 min | |
| Jun 20, 4:02 AM CDT | Areal Flood Advisory | BRO | Cameron, Willacy | 118 min |
| Jun 20, 4:14 AM CDT | Tornado Warning | BRO | Cameron | 31 min |
| Jun 20, 4:22 AM CDT | Areal Flood Advisory | BRO | Hidalgo | 83 min |
| Jun 20, 4:48 AM CDT | Flash Flood Warning | BRO | Willacy | 117 min |
| Jun 20, 5:11 AM CDT | Special Weather Statement | BRO | Hidalgo | 49 min |
| Jun 20, 5:14 AM CDT | Tornado Warning | BRO | Cameron, Hidalgo | 46 min |
| Jun 20, 5:20 AM CDT | Flash Flood Warning | BRO | Hidalgo | 9 hr |
| Jun 20, 5:58 AM CDT | Severe Thunderstorm Warning | BRO | Cameron, Willacy | 18 min |
| Jun 20, 6:27 AM CDT | Flash Flood Warning | BRO | Cameron, Hidalgo | 7 hr |
| Jun 20, 6:42 AM CDT | Flash Flood Warning | BRO | Willacy | 4 hr |
| Jun 20, 7:22 AM CDT | Flash Flood Warning | BRO | Cameron | 4 hr |
| Jun 20, 10:01 AM CDT | Special Marine Warning | BRO | 119 min | |
| Jun 20, 11:50 AM CDT | Special Marine Warning | BRO | 115 min | |
| Jun 20, 1:29 PM CDT | Areal Flood Warning | BRO | Cameron, Hidalgo | 36 hr |
| Jun 20, 1:47 PM CDT | Special Marine Warning | BRO | 118 min | |
| Jun 20, 4:20 PM CDT | Flash Flood Warning | BRO | Cameron, Willacy | 115 min |
| Jun 20, 6:04 PM CDT | Special Marine Warning | BRO | 116 min | |
| Jun 20, 6:16 PM CDT | Flash Flood Warning | BRO | Cameron | 119 min |
Nearby
Flash Flood Warnings in Texas, 2018Every flash flood warning in 2018
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.