Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 9, NWS Amarillo, TX

April 25, 1997Bandera County, Texas

NWS Amarillo, TX issued this flash flood warning at Apr 25, 1997, 11:06 AM CDT for Bandera County, Texas. It was in force for 5 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 25, 1997, 11:06 AM CDT (16:06 UTC)
Expired
Apr 25, 1997, 4:15 PM CDT
In force
5 hr
Issued by
NWS Amarillo, TX
Area
Whole counties

County Bandera County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 4.1 hours before the alert went out and 160 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 12:00Z on 1997-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1194 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 1997-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 236 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
1194 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
558 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
236 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
1.4
Supercell composite
7.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

NWS Amarillo, TX wrote its last area forecast discussion before this flash flood warning went out at Apr 25, 6:42 AM CDT, 4 hours 24 minutes earlier.

Area forecast discussion, Apr 25, 6:42 AM CDT, 4 hours 24 minutes before
TEXAS/OKLAHOMA PANHANDLES AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
643 AM CDT FRI APR 25 1997

HAVE UPDATED SWRN ZONES FOR SN ADVY THROUGH 10 AM. MORNING SOUNDING
PRETTY SATURATED WITH TEMPERATURES COMPLETELY BELOW ZERO DEGREES C.
EXPECT SN TO TRANSITION TO R LATER THIS MORNING. AREA PHONE CALLS
INDICATE 3 INCH AMOUNTS OVR DEAF SMITH COUNTY.

.AMA...
TX...SNOW ADVY TILL 10 AM ZONES 11>13 AND 16>18. FLOOD WATCH TODAY
ZONES 1>20.
OK...NONE.

SLATTERY

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 7:52 PM CDTFlash Flood WarningAMARandall6 hr
Apr 25, 1:30 AM CDTFlash Flood WarningAMARandall8 hr
Apr 25, 1:30 PM CDTFlash Flood WarningAMAArmstrong8 hr

Nearby

Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997

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.