Alert archive / Texas / Flash Flood Warnings in 1994

Flash Flood Warning 8, NWS Amarillo, TX

July 9, 1994Swisher County, Texas

NWS Amarillo, TX issued this flash flood warning at Jul 9, 1994, 3:10 AM CDT for Swisher County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 9, 1994, 3:10 AM CDT (08:10 UTC)
Expired
Jul 9, 1994, 6:15 AM CDT
In force
3 hr
Issued by
NWS Amarillo, TX
Area
Whole counties

County Swisher County, TX

The radar

The Amarillo radar (KAMA), 78 km from the middle of the area, began a volume at 08:09 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 8.2 hours before the alert went out and 78 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, Amarillo Airport, TX at 00:00Z on 1994-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 108 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, Amarillo Airport, TX at 00:00Z on 1994-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.1939Sfc1 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
108 J/kg
Mixed-layer CIN
-332 J/kg
Mixed-layer LCL
2279 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
261 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 KAMA 090810
FFWAMA
TXC437-091115-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
310 AM CDT SAT JUL 9 1994
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
FLASH FLOOD WARNING   EFFECTIVE UNTIL  615 AM CDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN THE TEXAS PANHANDLE
 
   ...SOUTHERN SWISHER COUNTY
 
THE NATIONAL WEATHER SERVICE ESTIMATED BETWEEN 3 AND 4 INCHES OF RAIN
HAS FALLEN IN SOUTHERN SWISHER COUNTY ABOUT 2 MILES WEST OF KRESS DURING
THE PAST HOUR. AT 3:10 AM RADAR CONTINUES TO SHOW HEAVY RAINFALL OVER
SOUTHERN SWISHER COUNTY.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  KNOW YOUR
LOCATION IN RELATION TO STREAMS...RIVERS ORT CREEKS THAT CAN BECOME
KILLERS IN HEAVY RAINS.  DO NOT ATTEMPT TO DRIVE THROUGH RISING
WATER.  DO NOT CROSS AREAS WHERE WATER IS FLOWING...EVEN ON FOOT.
RAPIDLY FLOWING WATER CAN QUICKLY SWEEP YOU OFF YOUR FEET.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 1:31 AM CDTSevere Thunderstorm WarningAMASwisher59 min
Jul 9, 3:44 AM CDTSevere Thunderstorm WarningAMAPotter61 min
Jul 9, 4:18 AM CDTSevere Thunderstorm WarningAMARandall57 min
Jul 9, 5:22 AM CDTFlash Flood WarningAMAPotter, Randall2 hr

Nearby

Flash Flood Warnings in Texas, 1994Every flash flood warning in 1994

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.