Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 30, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Jul 9, 2021, 6:47 AM CDT for Cameron County, Texas. It was in force for 3 hr. 2 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
- Jul 9, 2021, 6:47 AM CDT (11:47 UTC)
- Expired
- Jul 9, 2021, 9:42 AM CDT
- In force
- 3 hr
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 27 km from the middle of the area, began a volume at 11:50 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 |
|---|---|---|---|
| Jul 9, 8:55 AM CDT | FLASH FLOOD | 1 E Port Isabel, TX | PICTURE FROM SOCIAL MEDIA SHOWING MARINA DRIVE COVERED WITH SEVERAL INCHES OF WATER. |
| Jul 9, 9:25 AM CDT | FLASH FLOOD | 3 N South Padre Island, TX | SOCIAL MEDIA VIDEO SHOWS SEVERAL SEGMENTS OF PADRE BOULEVARD COVERED WITH WATER ALONG WITH NUMEROUS SIDE STREETS. |
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, 11.8 hours before the alert went out and 28 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
- 1544 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 707 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
126
WGUS54 KBRO 091147
FFWBRO
TXC061-091500-
/O.NEW.KBRO.FF.W.0030.210709T1147Z-210709T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Brownsville TX
647 AM CDT Fri Jul 9 2021
The National Weather Service in Brownsville has issued a
* Flash Flood Warning for...
Northeastern Cameron County in deep south Texas...
* Until 1000 AM CDT.
* At 647 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
South Padre Island, Arroyo City, Holly Beach, Laguna Vista Police
Department, Pharr Central Fire Station, Beach Access Six, Beach
Access Five, Beach Access Four, Laguna Heights, South Padre Island
Convention Center, South Padre Island Birding Center, Port Isabel
High School, South Padre Island Police Department, Port Isabel
City Hall, Port Isabel Lighthouse, Port Isabel Fire And Police
Department, Garria Elementary School, Washington Park, U.s. Coast
Guard Station and Boca Chica Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 2622 9753 2633 9749 2634 9747 2632 9745
2634 9744 2636 9737 2636 9718 2597 9713
2597 9715 2595 9715 2595 9716 2596 9716
2597 9718 2596 9719 2596 9721 2620 9737
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
141
WGUS74 KBRO 091442
FFSBRO
Flash Flood Statement
National Weather Service Brownsville TX
942 AM CDT Fri Jul 9 2021
TXC061-091452-
/O.CAN.KBRO.FF.W.0030.000000T0000Z-210709T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cameron TX-
942 AM CDT Fri Jul 9 2021
...FLASH FLOOD WARNING FOR NORTHEASTERN CAMERON COUNTY HAS BEEN
REPLACED WITH A FLOOD ADVISORY...
LAT...LON 2622 9753 2633 9749 2634 9747 2632 9745
2634 9744 2636 9737 2636 9718 2597 9713
2597 9715 2595 9715 2595 9716 2596 9716
2597 9718 2596 9719 2596 9721 2620 9737
$$
MejiaThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 9:27 PM CDT | Areal Flood Advisory | BRO | Cameron | 56 min |
| Jul 9, 1:47 AM CDT | Areal Flood Advisory | BRO | Cameron | 118 min |
| Jul 9, 2:18 AM CDT | Rip Current Statement | BRO | Kenedy | 17 hr |
| Jul 9, 3:41 AM CDT | Flash Flood Warning | BRO | Cameron | 6 hr |
| Jul 9, 4:32 AM CDT | Special Weather Statement | BRO | Cameron | 43 min |
| Jul 9, 5:03 AM CDT | Special Weather Statement | BRO | Cameron | 42 min |
| Jul 9, 5:08 AM CDT | Areal Flood Advisory | BRO | Cameron | 2 hr |
| Jul 9, 5:14 AM CDT | Special Marine Warning | BRO | 46 min | |
| Jul 9, 5:22 AM CDT | Severe Thunderstorm Warning | BRO | Cameron | 38 min |
| Jul 9, 5:44 AM CDT | Flash Flood Warning | BRO | Cameron | 4 hr |
| Jul 9, 5:51 AM CDT | Special Marine Warning | BRO | 54 min | |
| Jul 9, 6:05 AM CDT | Special Marine Warning | BRO | 25 min | |
| Jul 9, 6:24 AM CDT | Special Marine Warning | BRO | 51 min | |
| Jul 9, 7:05 AM CDT | Special Marine Warning | BRO | 55 min | |
| Jul 9, 9:16 AM CDT | Small Craft Advisory | BRO | 4 hr | |
| Jul 9, 9:36 AM CDT | Areal Flood Advisory | BRO | Cameron | 4 hr |
| Jul 9, 9:39 AM CDT | Areal Flood Advisory | BRO | Cameron | 4 hr |
| Jul 9, 9:42 AM CDT | Areal Flood Advisory | BRO | Cameron | 4 hr |
| Jul 9, 2:57 PM CDT | Special Weather Statement | BRO | Hidalgo | 48 min |
| Jul 9, 3:36 PM CDT | Areal Flood Advisory | BRO | Cameron | 26 min |
| Jul 9, 3:40 PM CDT | Areal Flood Advisory | BRO | Cameron | 13 min |
| Jul 9, 3:44 PM CDT | Flash Flood Warning | BRO | Cameron | 2 hr |
| Jul 9, 3:52 PM CDT | Flash Flood Warning | BRO | Cameron | 42 min |
| Jul 9, 4:23 PM CDT | Flash Flood Warning | BRO | Cameron | 2 hr |
| Jul 9, 4:59 PM CDT | Areal Flood Advisory | BRO | Willacy | 51 min |
| Jul 9, 5:09 PM CDT | Special Weather Statement | BRO | Brooks | 51 min |
| Jul 9, 5:10 PM CDT | Special Weather Statement | BRO | Kenedy | 50 min |
| Jul 9, 5:45 PM CDT | Areal Flood Advisory | BRO | Cameron | 51 min |
| Jul 9, 5:59 PM CDT | Special Weather Statement | BRO | Kleberg | 16 min |
| Jul 9, 6:01 PM CDT | Special Weather Statement | BRO | Kenedy | 14 min |
| Jul 9, 6:09 PM CDT | Areal Flood Advisory | BRO | Kenedy, Willacy | 51 min |
Nearby
Flash Flood Warnings in Texas, 2021Every flash flood warning in 2021
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.