Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 67, NWS Austin/San Antonio, TX

April 11, 2004Uvalde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Apr 11, 2004, 3:50 AM CDT for Uvalde County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 11, 2004, 3:50 AM CDT (08:50 UTC)
Expired
Apr 11, 2004, 6:00 AM CDT
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Uvalde County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 8.8 hours before the alert went out and 104 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 2004-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2004-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -98 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-98 m²/s²
0-3 km storm-relative helicity
271 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KEWX 110852
FFWSAT
TXC463-111100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
350 AM CDT SUN APR 11 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  UVALDE

* UNTIL 600 AM CDT

* AT 350 AM...WEATHER SERVICE DOPPLER RADAR INDICATED SHOWED AREAS 
OF SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN BEGINNING TO MOVE OVER 
UVALDE COUNTY AGAIN FROM THE WEST AND SOUTHWEST.  SHOWERS AND 
THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH.  LOCALLY HEAVY RAIN 
IS LIKELY WITH THESE SHOWERS AND THUNDERSTORMS OVER PARTS OF UVALDE
COUNTY IN THE NEXT 1 TO 2 HOURS. 

SINCE HEAVY RAINS HAVE FALLEN IN THESE AREAS DURING THE PAST 
WEEK...IT WILL NOT TAKE AS MUCH RAIN TO CAUSE FLOODING AT LOW WATER 
CROSSINGS.  

EXCESS04/15/04  FRI 04/16/04  SAT 04/17/04
UTC 6HRLY     05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23
CDT 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            52    77      59    81      67    84      68    86
TEMP          60   52 72 75 66   59 76 79 72   67 80 82 74   68 82 85
DEWPT         44   40 48 51 48   49 54 57 59   60 59 58 58   59 60 61
PWIND DIR          SE    SE      SE    SE      SE    SE      SE    SE
WIND CHAR          GN    GN      BZ    BZ      WY    WY      WY    WY
AVG CLOUDS    FW   FW FW SC FW   SC SC SC FW   SC SC SC FW   SC SC SC
POP 12HR            0     0       0     0       0     0       0    10
RAIN SHWRS                                                       S  S
TSTMS                                                            S  S

$$
TXZ251-112310-
KENEDY
INCLUDING THE CITY OF...SARITA
400 AM CDT SUN APR 11 2004

DATE             SUN 04/11/04            MON 04/12/04            TUE 04/13/04
UTC 3HRLY     08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23
CDT 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MAX/MIN                63 65 69    52 54 59          69          51          75
TEMP             66 66 64 63 61 59 57 56 54 57 65 69 67 62 58 53 51 56 69 75 73
DEWPT            65 63 60 57 54 51 51 51 51 49 48 47 45 45 45 45 42 41 45 47 47
RH               97 90 87 81 78 75 80 83 90 75 54 45 45 54 62 74 71 57 42 37 40
WIND DIR          N  N  N  N  N  N NW NW NW NW NW NW  N  N  N NW NW  N  N  N NE
WIND SPD         10 12 14 14 14 13 11 13 17 14 14 17 18 14 11  8  9  8  5  5  8
CLOUDS           CL OV OV OV OV OV OV OV OV OV OV BK BK SC SC FW FW FW FW FW FW
POP 12HR                     50          30          20           0           0
QPF 12HR                   0.16        0.09        0.03           0           0
SNOW 12HR                     0           0           0
RAIN SHWRS        L  C  C  C  C  C  C  C  C  S  S
TSTMS             L  C  C  C  C  C  C  C  C  S  S
HEAT INDEX                                  80 80       81 81 89 89 84 84
MAX HEAT                           80          82          83    95    86


DATE               WED 04/14/04  THU 04/15/04  FRI 04/16/04  SAT 04/17/04
UTC 6HRLY     05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23
CDT 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            57    76      60    80      67    82      68    84
TEMP          63   57 72 75 66   60 75 78 71   67 79 81 73   68 80 82
DEWPT         44   43 48 51 49   51 54 56 58   60 59 58 58   59 60 61
PWIND DIR          SE    SE      SE    SE      SE    SE      SE    SE
WIND CHAR          GN    GN      BZ    BZ      WY    WY      WY    WY
AVG CLOUDS    FW   FW FW SC FW   SC SC SC FW   SC SC SC FW   SC SC SC
POP 12HR            0     0       0     0       0     5       0    10
RAIN SHWRS                                                       S  S
TSTMS                                                            S  S

$$
TXZ252-112310-
STARR
INCLUDING THE CITY OF...RIO GRANDE CITY
400 AM CDT SUN APR 11 2004

DATE             SUN 04/11/04            MON 04/12/04            TUE 04/13/04
UTC 3HRLY     08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23
CDT 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MAX/MIN                      66          54          69          51          76
TEMP             62 65 65 63 61 59 57 56 54 57 66 69 67 63 57 53 51 56 70 76 73
DEWPT            62 62 57 53 51 50 49 50 50 48 45 42 40 41 42 42 37 37 43 46 45
RH              100 90 75 70 70 72 75 80 86 72 47 37 37 44 57 66 59 49 38 34 37
WIND DIR          N  N NW NW  N  N  N NW NW NW NW NW NW  N  N NW NW NW  N NE  E
WIND SPD          8 12 16 16 13 10  9 11 14 14 18 21 20 13  9  5  4  3  4  6 10
CLOUDS           CL OV OV OV OV OV OV OV OV OV OV BK BK SC SC FW FW FW FW FW FW
POP 12HR                     50          30          20           0           0
QPF 12HR                   0.16        0.09        0.03           0           0
SNOW 12HR                     0           0           0
RAIN SHWRS        L  C  C  C  C  C  C  C  C  S  S
TSTMS             L  C  C  C  C  C  C  C  C  S  S
HEAT INDEX                                  82 82       81 81 93 93 83 83
MAX HEAT                           80          83          82    95    84


DATE               WED 04/14/04  THU 04/15/04  FRI 04/16/04  SAT 04/17/04
UTC 6HRLY     05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23
CDT 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            52    77      60    82      67    86      69    87
TEMP          61   52 72 75 66   60 78 81 72   67 82 84 75   69 83 86
DEWPT         43   41 50 51 50   52 56 57 58   59 59 58 58   59 59 60
PWIND DIR          SE    SE      SE    SE      SE    SE      SE    SE
WIND CHAR          GN    BZ      BZ    BZ      WY    WY      WY    WY
AVG CLOUDS    FW   FW FW SC FW   SC SC SC FW   SC SC SC FW   SC SC SC
POP 12HR            0     0       0     0       0     0       0    10
RAIN SHWRS                                                       S  S
TSTMS                                                            S  S

$$
TXZ253-112310-
HIDALGO
INCLUDING THE CITIES OF...MCALLEN...WESLACO
400 AM CDT SUN APR 11 2004

DATE             SUN 04/11/04            MON 04/12/04            TUE 04/13/04
UTC 3HRLY     08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23
CDT 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MAX/MIN                65 68 72          54          71          52          75
TEMP             66 68 67 65 63 61 59 57 54 58 67 71 69 64 59 54 52 57 70 75 73
DEWPT            66 65 61 57 53 51 50 50 50 49 47 44 41 42 43 43 39 39 44 47 46
RH              100 90 81 75 70 70 72 77 86 72 49 38 36 45 55 66 61 51 39 37 38
WIND DIR          N  N  N  N  N  N NW NW NW  N NW NW NW  N  N NW NW NW  N NE NE
WIND SPD          8 12 14 14 16 11 10 12 16 13 16 19 20 13  9  6  6  6  5  8 10
CLOUDS           CL OV OV OV OV OV OV OV OV OV OV BK BK SC SC FW FW FW FW FW FW
POP 12HR                     50          30          20           0           0
QPF 12HR                   0.16        0.09        0.03           0           0
SNOW 12HR                     0           0           0
RAIN SHWRS        L  C  C  C  C  C  C  C  C  S  S
TSTMS             L  C  C  C  C  C  C  C  C  S  S
HEAT INDEX                                  80 80       80 80 91 91 83 83
MAX HEAT                           80          82          81    93    84


DATE               WED 04/14/04  THU 04/15/04  FRI 04/16/04  SAT 04/17/04
UTC 6HRLY     05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23
CDT 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            54    77      60    82      67    85      69    87
TEMP          61   54 72 75 66   60 77 80 72   67 81 83 75   69 83 85
DEWPT         43   40 48 51 50   52 55 57 59   60 59 58 58   59 60 61
PWIND DIR          SE    SE      SE    SE      SE    SE      SE    SE
WIND CHAR          GN    GN      BZ    BZ      WY    WY      WY    WY
AVG CLOUDS    FW   FW FW SC FW   SC SC SC FW   SC SC SC FW   SC SC SC
POP 12HR            0     0       0     0       0     0       0    10
RAIN SHWRS                                                       S  S
TSTMS                                                            S  S

$$
TXZ254-112310-
INLAND WILLACY
INCLUDING THE CITY OF...RAYMONDVILLE
400 AM CDT SUN APR 11 2004

DATE             SUN 04/11/04            MON 04/12/04            TUE 04/13/04
UTC 3HRLY     08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23
CDT 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MAX/MIN                      68          55          70          52          74
TEMP             68 68 67 65 63 61 59 57 55 58 67 70 68 64 59 54 52 57 70 74 72
DEWPT            67 66 63 59 55 52 51 51 51 50 48 47 44 45 45 45 42 42 45 47 46
RH               97 93 87 81 75 72 75 80 86 75 50 44 42 50 60 71 69 57 41 38 39
WIND DIR          N  N  N  N  N  N NW NW NW NW NW NW NW  N  N NW NW  N  N  N NE
WIND SPD          8 12 14 13 14 12 11 13 17 14 14 18 18 14 11  9  9  9  8  8 10
CLOUDS           CL OV OV OV OV OV OV OV OV OV OV BK BK SC SC FW FW FW FW FW FW
POP 12HR                     50          30          20           0           0
QPF 12HR                   0.16        0.09        0.03           0           0
SNOW 12HR                     0           0           0
RAIN SHWRS        L  C  C  C  C  C  C  C  C  S  S
TSTMS             L  C  C  C  C  C  C  C  C  S  S
HEAT INDEX                                              80 80 88 88 83 83
MAX HEAT                                       80          81    90    83


DATE               WED 04/14/04  THU 04/15/04  FRI 04/16/04  SAT 04/17/04
UTC 6HRLY     05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23
CDT 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            55    77      60    81      67    84      69    85
TEMP          62   55 72 75 66   60 77 79 72   67 80 82 74   69 82 84
DEWPT         43   42 47 51 50   53 54 56 59   60 59 58 59   60 60 61
PWIND DIR           E    SE      SE    SE      SE    SE      SE    SE
WIND CHAR          GN    GN      BZ    BZ      WY    WY      WY    WY
AVG CLOUDS    FW   FW FW SC FW   SC SC SC FW   SC SC SC FW   SC SC SC
POP 12HR            0     0       0     0       0     5       0    10
RAIN SHWRS                                                       S  S
TSTMS                                                            S  S

$$
TXZ255-112310-
INLAND CAMERON
INCLUDING THE CITIES OF...BROWNSVILLE...HARLINGEN...SAN BENITO
400 AM CDT SUN APR 11 2004

DATE             SUN 04/11/04            MON 04/12/04            TUE 04/13/04
UTC 3HRLY     08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23
CDT 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MAX/MIN                      71          55          70          52          75
TEMP             68 70 70 68 65 63 60 58 55 58 67 70 68 64 59 54 52 57 70 75 73
DEWPT            68 67 65 62 57 54 52 51 52 51 49 47 44 45 45 44 43 43 45 46 46
RH              100 90 84 81 75 72 75 77 90 77 52 44 42 50 60 69 71 59 41 36 38
WIND DIR          N  N  N  N  N NW NW NW NW NW NW NW NW  N  N NW NW  N  N  N NE
WIND SPD          8 10 14 16 17 14 12 14 17 14 17 18 19 14 12 10 11 11  9 10 11
CLOUDS           CL OV OV OV OV OV OV OV OV OV OV BK BK SC SC FW FW FW FW FW FW
POP 12HR                     50          30          20           0           0
QPF 12HR                   0.15        0.09        0.03           0           0
SNOW 12HR                     0           0           0
RAIN SHWRS        L  C  C  C  C  C  C  C  C  S  S
TSTMS             L  C  C  C  C  C  C  C  C  S  S
HEAT INDEX                                              80 80 88 88 83 83
MAX HEAT                                       80          80    90    83


DATE               WED 04/14/04  THU 04/15/04  FRI 04/16/04  SAT 04/17/04
UTC 6HRLY     05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23
CDT 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            56    77      60    81      66    83      69    85
TEMP          62   56 72 75 66   60 76 79 72   66 79 81 74   69 81 83
DEWPT         43   43 48 51 51   54 54 56 59   60 59 58 59   60 60 61
PWIND DIR           E    SE      SE    SE      SE    SE      SE    SE
WIND CHAR          GN    GN      BZ    BZ      WY    WY      WY    WY
AVG CLOUDS    FW   FW FW SC FW   SC SC SC FW   SC SC SC FW   SC SC SC
POP 12HR            0     0       0     0       0     0       0    10
RAIN SHWRS                                                       S  S
TSTMS                                                            S  S

$$
TXZ256-112310-
COASTAL WILLACY
INCLUDING THE CITY OF...PORT MANSFIELD
400 AM CDT SUN APR 11 2004

DATE             SUN 04/11/04            MON 04/12/04            TUE 04/13/04
UTC 3HRLY     08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23
CDT 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MAX/MIN                      69          57          68          52          74
TEMP             67 68 68 66 64 63 61 59 57 59 66 68 66 62 58 54 52 57 69 74 73
DEWPT            67 67 65 62 59 56 55 55 55 54 52 50 49 50 50 50 45 43 45 46 46
RH              100 97 90 87 84 78 81 87 93 83 61 52 54 65 75 86 77 59 42 37 38
WIND DIR          N  N  N  N  N NW NW NW NW NW NW NW  N  N  N NW NW  N  N  N NE
WIND SPD          9 13 17 16 18 17 14 17 21 18 17 18 19 19 18 17 12 10  8  8 10
CLOUDS           CL OV OV OV OV OV OV OV OV OV OV BK BK SC SC FW FW FW FW FW FW
POP 12HR                     50          30          20           0           0
QPF 12HR                   0.15        0.09        0.03           0           0
SNOW 12HR                     0           0           0
RAIN SHWRS        L  C  C  C  C  C  C  C  C  S  S
TSTMS             L  C  C  C  C  C  C  C  C  S  S
HEAT INDEX                                                    80 80 83 83
MAX HEAT                                                   80    84    83


DATE               WED 04/14/04  THU 04/15/04  FRI 04/16/04  SAT 04/17/04
UTC 6HRLY     05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23
CDT 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            59    76      60    80      66    81      69    83
TEMP          64   59 72 74 66   60 76 78 71   66 78 80 73   69 80 82
DEWPT         44   43 47 51 51   53 54 56 58   60 59 58 59   60 60 61
PWIND DIR           E    SE      SE    SE      SE    SE      SE    SE
WIND CHAR          GN    GN      BZ    BZ      WY    WY      WY    WY
AVG CLOUDS    FW   FW FW SC FW   SC SC SC FW   SC SC SC FW   SC SC SC
POP 12HR            0     0       0     0       0     5       0    10
RAIN SHWRS                                                       S  S
TSTMS                                                            S  S

$$
TXZ257-112310-
COASTAL CAMERON
INCLUDING THE CITIES OF...SOUTH PADRE ISLAND...PORT ISABEL...LAGUNA VISTA...LAGUNA HEIGHTS
400 AM CDT SUN APR 11 2004

DATE             SUN 04/11/04            MON 04/12/04            TUE 04/13/04
UTC 3HRLY     08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23
CDT 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MAX/MIN                      70          57          69          52          74
TEMP             69 70 69 67 65 63 61 59 57 60 66 69 67 63 58 54 52 57 69 74 73
DEWPT            68 67 67 64 60 57 56 55 55 54 52 50 48 49 50 49 46 44 45 46 46
RH               97 90 93 90 84 81 84 87 93 81 61 51 50 60 75 83 80 62 42 37 38
WIND DIR         NE  N  N  N  N NW NW NW NW NW NW NW  N  N  N NW NW  N  N  N NE
WIND SPD          8 11 16 17 19 18 14 17 20 18 17 18 19 18 18 17 13 11 10 10 11
CLOUDS           CL OV OV OV OV OV OV OV OV OV OV BK BK SC SC FW FW FW FW FW FW
POP 12HR                     50          30          20           0           0
QPF 12HR                   0.15        0.09        0.03           0           0
SNOW 12HR                     0           0           0
RAIN SHWRS        L  C  C  C  C  C  C  C  C  S  S
TSTMS             L  C  C  C  C  C  C  C  C  S  S
HEAT INDEX                                                    81 81 83 83
MAX HEAT                                                   80    85    83


DATE               WED 04/14/04  THU 04/15/04  FRI 04/16/04  SAT 04/17/04
UTC 6HRLY     05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23
CDT 6HRLY     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

MIN/MAX            59    76      60    80      66    81      69    83
TEMP          65   59 72 74 66   60 75 78 71   66 78 80 73   69 80 81
DEWPT         44   44 47 51 52   54 54 56 59   60 59 58 59   60 60 61
PWIND DIR           E    SE      SE    SE      SE    SE      SE    SE
WIND CHAR          GN    GN      BZ    BZ      WY    WY      WY    WY
AVG CLOUDS    FW   FW FW SC FW   SC SC SC FW   SC SC SC FW   SC SC SC
POP 12HR            0     0       0     0       0     5       0    10
RAIN SHWRS                                                       S  S
TSTMS                                                            S  S

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 7:04 PM CDTFlash Flood WarningEWXLavaca56 min
Apr 10, 8:23 PM CDTFlash Flood WarningEWXDeWitt, Lavaca3 hr
Apr 10, 9:54 PM CDTSevere Thunderstorm WarningEWXMaverick51 min
Apr 10, 10:38 PM CDTSevere Thunderstorm WarningEWXBexar, Guadalupe67 min
Apr 10, 10:57 PM CDTSevere Thunderstorm WarningEWXAtascosa, Frio63 min
Apr 10, 11:01 PM CDTSevere Thunderstorm WarningEWXDimmit59 min
Apr 10, 11:29 PM CDTSevere Thunderstorm WarningEWXWilson61 min
Apr 10, 11:58 PM CDTSevere Thunderstorm WarningEWXKarnes62 min
Apr 11, 12:48 AM CDTFlash Flood WarningEWXDeWitt3 hr
Apr 11, 1:02 AM CDTFlash Flood WarningEWXUvalde3 hr
Apr 11, 1:17 AM CDTFlash Flood WarningEWXLavaca3 hr
Apr 11, 1:44 AM CDTFlash Flood WarningEWXFayette2 hr
Apr 11, 1:57 AM CDTFlash Flood WarningEWXBandera, Medina, Real3 hr
Apr 11, 3:00 AM CDTFlash Flood WarningEWXKinney, Maverick3 hr

Nearby

Flash Flood Warnings in Texas, 2004Every flash flood warning in 2004

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.