Alert archive / Texas / Flash Flood Warnings in 2015
Flash Flood Warning 1, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Mar 21, 2015, 5:51 AM CDT for Karnes County, Wilson County, Texas. It was in force for 3 hr. 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
- Mar 21, 2015, 5:51 AM CDT (10:51 UTC)
- Expired
- Mar 21, 2015, 8:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Karnes County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 82 km from the middle of the area, began a volume at 10:55 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 |
|---|---|---|---|
| Mar 21, 6:30 AM CDT | FLASH FLOOD | 2 Wnw Cestohowa, TX | ONE FOOT OF WATER OVER FM887 BETWEEN FALLS CITY AND PAWELEKVILLE AND ALSO WATER OVER THE ROADWAY ON FM81 BETWEEN HELENA AND RUNGE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 10.9 hours before the alert went out and 149 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
- 265 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
185
WGUS54 KEWX 211051
FFWEWX
TXC255-493-211345-
/O.NEW.KEWX.FF.W.0001.150321T1051Z-150321T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
551 AM CDT SAT MAR 21 2015
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
KARNES COUNTY IN SOUTH CENTRAL TEXAS...
SOUTHEASTERN WILSON COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 845 AM CDT
* AT 547 AM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
HEAVY RAIN FALLING ACROSS THE PANDORA TO FALLS CITY TO COY CITY
AREAS. DOPPLER RADAR ESTIMATES SHOW UP TO 5 INCHES OF RAIN HAS
FALLEN WITH THE HEAVIEST RAINS NEAR FALLS CITY. FLASH FLOODING IS
EXPECTED.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KENEDY...KARNES CITY...POTH...KOSCIUSKO...RUNGE...FALLS CITY...
GILLETT...CESTOHOWA...PANDORA...EL OSO...PANA MARIA...HELENA...COY
CITY...ZUNKERVILLE...HOBSON...ECLETO...DEWEESVILLE AND PAWELEVILLE.
ADDITIONAL RAINFALL AMOUNTS OF UP TO 4 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2888 9817 2911 9806 2927 9780 2911 9764
2901 9776 2885 9763 2870 9800
$$
CP2 follow-up statements
851
WGUS74 KEWX 211152
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
652 AM CDT SAT MAR 21 2015
TXC255-493-211345-
/O.CON.KEWX.FF.W.0001.000000T0000Z-150321T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KARNES TX-WILSON TX-
652 AM CDT SAT MAR 21 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM CDT FOR
KARNES AND SOUTHEASTERN WILSON COUNTIES...
AT 646 AM CDT...NATIONAL WEATHER SERVICE RADAR SHOWS RAINFALL RATES
WERE DECREASING ACROSS KARNES AND SOUTHEASTERN WILSON COUNTIES WITH
RATES NOW LESS THAN ONE INCH PER HOUR. HOWEVER...EARLIER HEAVY RAINS
BASED ON DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED THAT UP
TO 6 INCHES HAS FALLEN OVER THE AREA. THE HEAVIEST RAINS HAVE FALLEN
IN THE FALLS CITY TO CESTOHOWA TO KOSCIUSKO AREAS. FLASH FLOODING IS
EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF HOURS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KENEDY...KARNES CITY...POTH...KOSCIUSKO...RUNGE...FALLS CITY...
GILLETT...CESTOHOWA...PANDORA...EL OSO...PANA MARIA...HELENA...COY
CITY...ZUNKERVILLE...HOBSON...ECLETO...DEWEESVILLE AND PAWELEVILLE.
ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE AND ONE HALF INCHES ARE
POSSIBLE IN THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2888 9817 2911 9806 2927 9780 2911 9764
2901 9776 2885 9763 2870 9800
$$
CP266
WGUS74 KEWX 211347
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
847 AM CDT SAT MAR 21 2015
TXC255-493-211347-
/O.EXP.KEWX.FF.W.0001.000000T0000Z-150321T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KARNES TX-WILSON TX-
847 AM CDT SAT MAR 21 2015
...THE FLASH FLOOD WARNING FOR KARNES AND SOUTHEASTERN WILSON
COUNTIES WILL EXPIRE AT 845 AM CDT...
THE HEAVY RAIN HAS ENDED...AND FLASH FLOODING IS NO LONGER EXPECTED
TO POSE A THREAT ACROSS KARNES AND SOUTHEASTERN WILSON COUNTIES.
HOWEVER...LIGHT TO MODERATE RAIN WILL CONTINUE THROUGH THIS
MORNING...RESULTING IN PONDING OF WATER ON AREA ROADWAYS.
DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES.
LAT...LON 2888 9817 2911 9806 2927 9780 2911 9764
2901 9776 2885 9763 2870 9800
$$
EMPThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 7:02 PM CDT | Areal Flood Advisory | EWX | Kinney, Maverick, Val Verde | 3 hr |
| Mar 20, 8:39 PM CDT | Areal Flood Advisory | EWX | Dimmit, Maverick, Zavala | 3 hr |
| Mar 21, 12:29 AM CDT | Areal Flood Advisory | EWX | Bexar | 3 hr |
| Mar 21, 2:15 AM CDT | Areal Flood Advisory | EWX | Atascosa, Fayette, Gonzales, Karnes, Wilson | 3 hr |
| Mar 21, 5:26 AM CDT | Areal Flood Advisory | EWX | Atascosa, Fayette, Gonzales, Karnes, Wilson | 4 hr |
| Mar 21, 6:08 AM CDT | Areal Flood Advisory | EWX | Bexar | 3 hr |
| Mar 21, 8:53 AM CDT | River Flood Warning | EWX | Karnes | 23 hr |
| Mar 21, 11:24 AM CDT | Areal Flood Advisory | EWX | DeWitt, Karnes, Lavaca | 3 hr |
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.