Alert archive / Texas / Flash Flood Warnings in 2016
Flash Flood Warning 95, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 26, 2016, 6:14 AM CDT for Bexar County, Comal 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
- Sep 26, 2016, 6:14 AM CDT (11:14 UTC)
- Expired
- Sep 26, 2016, 9:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bexar County, TX, Comal County, TX
The radar
The Austin/San Antonio radar (KEWX), 20 km from the middle of the area, began a volume at 11:17 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 |
|---|---|---|---|
| Sep 26, 7:54 AM CDT | FLASH FLOOD | 2 Nnw Garden Ridge, TX | FLOODING OF LOW WATER CROSSINGS ALONG SCHOENTHAL RD NEAR FM 3009. HUECO SPRINGS LOOP AT ELM CREEK REPORTED FLOODED. STAHL LANE NEAR SMITHSON VALLEY RD BEGINNING TO FLOOD. |
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, 11.2 hours before the alert went out and 241 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
- 2875 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 855 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
142
WGUS54 KEWX 261114
FFWEWX
TXC029-091-261415-
/O.NEW.KEWX.FF.W.0095.160926T1114Z-160926T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
614 AM CDT MON SEP 26 2016
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL BEXAR COUNTY IN SOUTH CENTRAL TEXAS...
COMAL COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 915 AM CDT
* AT 613 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. OVER 2 INCH PER HOUR RAIN RATES
WILL BE IMPACTING PARTS OF THE COUNTY VERY SOON THEREFORE FLASH
FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEW BRAUNFELS...SCHERTZ...SELMA...CANYON LAKE DAM...
FAIR OAKS RANCH...CANYON LAKE...BULVERDE...GARDEN RIDGE...
TIMBERWOOD PARK...FISCHER...SPRING BRANCH...ANHALT...BRACKEN...
HUNTER...GRUENE...SPECHT STORE...SATTLER AND STARTZVILLE.
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 2986 9804 2981 9802 2979 9802 2961 9827
2960 9831 2958 9831 2966 9836 2975 9864
3004 9829
$$
TB31 follow-up statement
162
WGUS74 KEWX 261340
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
840 AM CDT MON SEP 26 2016
TXC029-091-261415-
/O.CON.KEWX.FF.W.0095.000000T0000Z-160926T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BEXAR TX-COMAL TX-
840 AM CDT MON SEP 26 2016
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR NORTH
CENTRAL BEXAR AND COMAL COUNTIES...
AT 835 AM CDT LOCAL LAW ENFORCEMENT REPORTED EXCESSIVE RAIN CAUSING
FLASH FLOODING WAS OCCURRING OVER THE WARNED AREA. FLOODING OF LOW
WATER CROSSINGS HAS BEEN REPORTED ALONG SCHOENTHAL ROAD NEAR FM 3009
AND FOR HUECO SPRINGS LOOP AT ELM CREEK. IN ADDITION...STAHL LANE
NEAR SMITHSON VALLEY ROAD IS BEGINNING TO FLOOD. UP TO FOUR INCHES
OF RAIN HAS FALLEN OVER THE WARNED AREA, WITH UP TO ONE INCH OF RAIN
PER HOUR POSSIBLE.
LOCATIONS IMPACTED INCLUDE...
NEW BRAUNFELS...SCHERTZ...SELMA...CANYON LAKE DAM...
FAIR OAKS RANCH...CANYON LAKE...BULVERDE...GARDEN RIDGE...
TIMBERWOOD PARK...FISCHER...SPRING BRANCH...ANHALT...BRACKEN...
HUNTER...GRUENE...SPECHT STORE...SATTLER AND STARTZVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 2986 9804 2981 9802 2979 9802 2961 9827
2960 9831 2958 9831 2966 9836 2975 9864
3004 9829
$$
LJHThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 8:41 PM CDT | River Flood Warning | EWX | Uvalde | 16 hr |
| Sep 25, 8:41 PM CDT | River Flood Warning | EWX | Uvalde | 20 hr |
| Sep 26, 2:42 AM CDT | Areal Flood Advisory | EWX | Edwards | 3 hr |
| Sep 26, 3:49 AM CDT | Areal Flood Advisory | EWX | Bexar | 3 hr |
| Sep 26, 4:52 AM CDT | Flash Flood Warning | EWX | Bexar | 5 hr |
| Sep 26, 5:17 AM CDT | Areal Flood Advisory | EWX | Bexar, Comal, Hays | 3 hr |
| Sep 26, 6:29 AM CDT | River Flood Warning | EWX | Bexar | 14 hr |
| Sep 26, 6:40 AM CDT | River Flood Warning | EWX | Bexar | 8 hr |
| Sep 26, 6:47 AM CDT | River Flood Warning | EWX | Bexar | 25 hr |
| Sep 26, 6:47 AM CDT | River Flood Warning | EWX | Bexar | 24 hr |
| Sep 26, 8:03 AM CDT | Areal Flood Advisory | EWX | Guadalupe | 117 min |
| Sep 26, 8:05 AM CDT | River Flood Warning | EWX | Bexar, Wilson | 45 hr |
| Sep 26, 8:28 AM CDT | Areal Flood Advisory | EWX | Blanco, Kendall, Kerr | 2 hr |
| Sep 26, 8:36 AM CDT | River Flood Warning | EWX | Karnes, Wilson | 68 hr |
| Sep 26, 8:52 AM CDT | River Flood Warning | EWX | Comal, Gonzales, Guadalupe | 15 hr |
| Sep 26, 8:52 AM CDT | River Flood Warning | EWX | Comal, Guadalupe | 22 hr |
| Sep 26, 8:55 AM CDT | Areal Flood Advisory | EWX | Gillespie | 2 hr |
| Sep 26, 9:15 AM CDT | Areal Flood Advisory | EWX | Bexar, Comal | 60 min |
| Sep 26, 9:44 AM CDT | Areal Flood Advisory | EWX | Bexar | 106 min |
| Sep 26, 10:00 AM CDT | Areal Flood Advisory | EWX | Comal, Guadalupe | 60 min |
| Sep 26, 10:17 AM CDT | River Flood Warning | EWX | Dimmit | 5 days |
| Sep 26, 10:22 AM CDT | Areal Flood Advisory | EWX | Hays | 53 min |
| Sep 26, 11:16 AM CDT | Areal Flood Advisory | EWX | Hays | 119 min |
| Sep 26, 11:52 AM CDT | Flash Flood Warning | EWX | Hays | 113 min |
| Sep 26, 1:50 PM CDT | Areal Flood Advisory | EWX | Hays | 115 min |
| Sep 26, 2:33 PM CDT | River Flood Warning | EWX | Karnes | 3 days |
| Sep 26, 2:33 PM CDT | River Flood Warning | EWX | Goliad, Karnes | 4 days |
Nearby
Flash Flood Warnings in Texas, 2016Every flash flood warning in 2016
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.