Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 27, NWS Austin/San Antonio, TX

February 26, 1998Fayette County, Lavaca County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Feb 26, 1998, 2:35 AM CST for Fayette County, Lavaca County, Texas. It was in force for 4 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
Feb 26, 1998, 2:35 AM CST (08:35 UTC)
Expired
Feb 26, 1998, 6:30 AM CST
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Fayette County, TX, Lavaca County, TX

The radar

The Austin/San Antonio radar (KEWX), 107 km from the middle of the area, began a volume at 08:38 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, 8.6 hours before the alert went out and 215 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, Corpus Christi, TX at 00:00Z on 1998-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1002 joules per kilogram.LCLLFCEL10008507005003002001001 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, Corpus Christi, TX at 00:00Z on 1998-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939587897Sfc1 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
1002 J/kg
Mixed-layer CIN
-324 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
70 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 
TTAA00 KSAT 260836
FFWSAT
TXC149-285-261230-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
235 AM CST THU FEB 26 1998
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  630 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...FAYETTE COUNTY...LAVACA COUNTY
 
AT 235 AM CST...DOPPLER RADAR CONTINUED TO INDICATE SCATTERED
THUNDERSTORMS WITH RAINFALL RATES OF UP TO ONE AND A HALF INCHES PER
HOUR MOVING NORTHEAST INTO LAVACA AND FAYETTE COUNTIES. THIS ADDITIONAL
RAINFALL WILL FALL ON ALREADY SATURATED SOIL CREATING RAPID RUNOFF AND
FLASH FLOODING. RAINFALL IS EXPECTED TO CONTINUE FOR THE NEXT FOUR
HOURS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS OBSERVED
ACT QUICKLY.  MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Feb 25, 10:10 PM CST, 4 hours 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1010 PM CST WED FEB 25 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0555 PM    15 E COMSTOCK             TX   WIND DAMAGE
02/25/98   VAL VERDE                      CAMPGROUND SHELTERS
                                          DESTROYED. ESTIMATED
                                          50-60 MPH GUSTS.

0750 PM    4 N FREDERICKSBURG        TX   1.75 INCH HAIL
02/25/98   GILLESPIE                      DPS REPORTED MARBLE TO
                                          GOLFBALL HAIL.

0805 PM    PRAIRIE MOUNTAIN          TX   .75 INCH HAIL
02/25/98   LLANO                          HAM REPORT

0820 PM    SABINAL                   TX   1 INCH HAIL
02/25/98   UVALDE                         REPORTED BY HWY DEPT

0830 PM    FREDERICKSBURG            TX   WIND DAMAGE
02/25/98   GILLESPIE                      ROOF DAMAGE TO APARTMENT
                                          BUILDING.

0900 PM   BURNET                     TX   TSTM WIND GUST
02/25/98  BURNET                          62 MPH GUST MEASURED BY
                                          SCHOOL NETWORK.

0900 PM   PIPE CREEK                 TX   .75 INCH HAIL
02/25/98  BANDERA                         REPORTED BY A SPOTTER

0907 PM   DEVINE                     TX   1.75 INCH HAIL
02/25/98  MEDINA                          REPORTED BY HAMS

0910 PM   INKS LAKE                  TX   WIND DAMAGE
02/25/98  BURNET                          LCRA REPORTED TREES DOWN.

0912 PM   CASTROVILLE                TX   1.75 INCH HAIL
02/25/98  MEDINA                          REPORTED BY HAMS

0924 PM   FRIO TOWN                  TX   1.75 INCH HAIL
02/25/98  FRIO                            REPORTED BY SPOTTER

0935 PM   ROUND MOUNTAIN             TX   WIND DAMAGE
02/25/98  BLANCO                          NWS EMPLOYEE REPORTED
                                          TREES DOWN.

0950 PM   TAYLOR                     TX   WIND DAMAGE
02/25/98  WILLIAMSON                      TREES DOWN. REPORTED BY
                                          HAMS. 60 MPH ESTIMATE.
Local storm report, Feb 25, 10:10 PM CST, 4 hours 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1010 PM CST WED FEB 25 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0555 PM    15 E COMSTOCK             TX   WIND DAMAGE
02/25/98   VAL VERDE                      CAMPGROUND SHELTERS
                                          DESTROYED. ESTIMATED
                                          50-60 MPH GUSTS.

0750 PM    4 N FREDERICKSBURG        TX   1.75 INCH HAIL
02/25/98   GILLESPIE                      DPS REPORTED MARBLE TO
                                          GOLFBALL HAIL.

0805 PM    PRAIRIE MOUNTAIN          TX   .75 INCH HAIL
02/25/98   LLANO                          HAM REPORT

0820 PM    SABINAL                   TX   1 INCH HAIL
02/25/98   UVALDE                         REPORTED BY HWY DEPT

0830 PM    FREDERICKSBURG            TX   WIND DAMAGE
02/25/98   GILLESPIE                      ROOF DAMAGE TO APARTMENT
                                          BUILDING.

0900 PM   BURNET                     TX   TSTM WIND GUST
02/25/98  BURNET                          62 MPH GUST MEASURED BY
                                          SCHOOL NETWORK.

0900 PM   PIPE CREEK                 TX   .75 INCH HAIL
02/25/98  BANDERA                         REPORTED BY A SPOTTER

0907 PM   DEVINE                     TX   1.75 INCH HAIL
02/25/98  MEDINA                          REPORTED BY HAMS

0910 PM   INKS LAKE                  TX   WIND DAMAGE
02/25/98  BURNET                          LCRA REPORTED TREES DOWN.

0912 PM   CASTROVILLE                TX   1.75 INCH HAIL
02/25/98  MEDINA                          REPORTED BY HAMS

0924 PM   FRIO TOWN                  TX   1.75 INCH HAIL
02/25/98  FRIO                            REPORTED BY SPOTTER

0935 PM   ROUND MOUNTAIN             TX   WIND DAMAGE
02/25/98  BLANCO                          NWS EMPLOYEE REPORTED
                                          TREES DOWN.

0950 PM   TAYLOR                     TX   WIND DAMAGE
02/25/98  WILLIAMSON                      TREES DOWN. REPORTED BY
                                          HAMS. 60 MPH ESTIMATE.
Local storm report, Feb 25, 11:16 PM CST, 3 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
1116 PM CST WED FEB 25 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0555 PM    15 E COMSTOCK             TX   WIND DAMAGE
02/25/98   VAL VERDE                      CAMPGROUND SHELTERS
                                          DESTROYED. ESTIMATED
                                          50-60 MPH GUSTS.

0750 PM    4 N FREDERICKSBURG        TX   1.75 INCH HAIL
02/25/98   GILLESPIE                      DPS REPORTED MARBLE TO
                                          GOLFBALL HAIL.

0805 PM    PRAIRIE MOUNTAIN          TX   .75 INCH HAIL
02/25/98   LLANO                          HAM REPORT

0820 PM    SABINAL                   TX   1 INCH HAIL
02/25/98   UVALDE                         REPORTED BY HWY DEPT

0830 PM    FREDERICKSBURG            TX   WIND DAMAGE
02/25/98   GILLESPIE                      ROOF DAMAGE TO APARTMENT
                                          BUILDING.

0900 PM   BURNET                     TX   TSTM WIND GUST
02/25/98  BURNET                          62 MPH GUST MEASURED BY
                                          SCHOOL NETWORK.

0900 PM   PIPE CREEK                 TX   .75 INCH HAIL
02/25/98  BANDERA                         REPORTED BY A SPOTTER

0907 PM   DEVINE                     TX   1.75 INCH HAIL
02/25/98  MEDINA                          REPORTED BY HAMS

0910 PM   INKS LAKE                  TX   WIND DAMAGE
02/25/98  BURNET                          LCRA REPORTED TREES DOWN.

0912 PM   CASTROVILLE                TX   1.75 INCH HAIL
02/25/98  MEDINA                          REPORTED BY HAMS

0924 PM   FRIO TOWN                  TX   1.75 INCH HAIL
02/25/98  FRIO                            REPORTED BY SPOTTER

0935 PM   ROUND MOUNTAIN             TX   WIND DAMAGE
02/25/98  BLANCO                          NWS EMPLOYEE REPORTED
                                          TREES DOWN.

0945 PM   WALBURG                    TX   TSTM WIND GUST
02/25/98  WILLIAMSON                      61 MPH GUST MEASURED BY
                                          SCHOOL NETWORK.

0947 PM   2 S JARRELL                TX   WIND DAMAGE
02/25/98  WILLIAMSON                      DAMAGE TO A BARN.

0950 PM   TAYLOR                     TX   WIND DAMAGE
02/25/98  WILLIAMSON                      TREES DOWN. REPORTED BY
                                          HAMS. 60 MPH ESTIMATE.

1005 PM   THRALL                     TX   WIND DAMAGE
02/25/98  WILLIAMSON                      POWER POLE DOWN ON HWY 79

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 6:33 PM CSTSevere Thunderstorm WarningEWXEdwards57 min
Feb 25, 6:59 PM CSTSevere Thunderstorm WarningEWXKinney61 min
Feb 25, 7:28 PM CSTSevere Thunderstorm WarningEWXReal62 min
Feb 25, 7:37 PM CSTSevere Thunderstorm WarningEWXUvalde68 min
Feb 25, 7:56 PM CSTSevere Thunderstorm WarningEWXBandera, Kerr64 min
Feb 25, 7:56 PM CSTSevere Thunderstorm WarningEWXGillespie, Llano64 min
Feb 25, 8:08 PM CSTSevere Thunderstorm WarningEWXMedina67 min
Feb 25, 8:08 PM CSTSevere Thunderstorm WarningEWXKendall67 min
Feb 25, 8:26 PM CSTTornado WarningEWXMedina, Uvalde64 min
Feb 25, 8:39 PM CSTSevere Thunderstorm WarningEWXBexar66 min
Feb 25, 8:39 PM CSTSevere Thunderstorm WarningEWXBlanco, Burnet66 min
Feb 25, 8:39 PM CSTSevere Thunderstorm WarningEWXFrio, Zavala66 min
Feb 25, 8:48 PM CSTTornado WarningEWXMedina57 min
Feb 25, 8:52 PM CSTSevere Thunderstorm WarningEWXVal Verde38 min
Feb 25, 9:01 PM CSTSevere Thunderstorm WarningEWXComal59 min
Feb 25, 9:09 PM CSTTornado WarningEWXAtascosa, Bexar51 min
Feb 25, 9:11 PM CSTSevere Thunderstorm WarningEWXHays, Travis64 min
Feb 25, 9:11 PM CSTSevere Thunderstorm WarningEWXWilliamson64 min
Feb 25, 9:48 PM CSTSevere Thunderstorm WarningEWXGuadalupe57 min
Feb 25, 10:03 PM CSTSevere Thunderstorm WarningEWXBexar57 min
Feb 25, 10:36 PM CSTSevere Thunderstorm WarningEWXBastrop, Caldwell69 min
Feb 25, 11:08 PM CSTSevere Thunderstorm WarningEWXFrio52 min
Feb 25, 11:25 PM CSTSevere Thunderstorm WarningEWXFayette65 min
Feb 25, 11:31 PM CSTSevere Thunderstorm WarningEWXAtascosa29 min
Feb 25, 11:39 PM CSTSevere Thunderstorm WarningEWXBandera51 min
Feb 26, 12:41 AM CSTSevere Thunderstorm WarningEWXBexar, Comal64 min
Feb 26, 12:48 AM CSTSevere Thunderstorm WarningEWXCaldwell, Guadalupe, Hays57 min
Feb 26, 12:56 AM CSTSevere Thunderstorm WarningEWXBastrop64 min
Feb 26, 1:15 AM CSTSevere Thunderstorm WarningEWXLavaca45 min
Feb 26, 1:15 AM CSTSevere Thunderstorm WarningEWXLee45 min
Feb 26, 1:41 AM CSTSevere Thunderstorm WarningEWXAtascosa, Bexar34 min
Feb 26, 1:57 AM CSTSevere Thunderstorm WarningEWXMedina33 min
Feb 26, 2:21 AM CSTSevere Thunderstorm WarningEWXAtascosa, Bexar, Guadalupe, Wilson69 min
Feb 26, 2:26 AM CSTSevere Thunderstorm WarningEWXComal64 min
Feb 26, 2:44 AM CSTSevere Thunderstorm WarningEWXKarnes61 min
Feb 26, 2:49 AM CSTSevere Thunderstorm WarningEWXCaldwell, Gonzales56 min
Feb 26, 3:31 AM CSTSevere Thunderstorm WarningEWXDeWitt, Lavaca59 min

Nearby

Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998

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.