Alert archive / Texas / Flash Flood Warnings in 1989

Flash Flood Warning 2, NWS Amarillo, TX

May 16, 1989Carson County, Texas

NWS Amarillo, TX issued this flash flood warning at May 16, 1989, 9:56 PM CDT for Carson County, Texas. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
May 16, 1989, 9:56 PM CDT (02:56 UTC)
Expired
May 16, 1989, 11:00 PM CDT
In force
64 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Carson County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.9 hours before the alert went out and 37 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 1989-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 232 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 1989-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.193958Sfc1 km3 km6 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
232 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
633 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
421 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 170258
FFWAMA
TXC065-170400-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
956 PM CDT TUE MAY 16 1989
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT
AND A FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN THE TEXAS PANHANDLE
          ...CARSON
 
AT 955 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHWEST
CARSON COUNTY MOVING NORTHEAST AT 12 MILES AN HOUR. THIS STORM
HAS THE POTENTIAL FOR PRODUCING LARGE HAIL...STRONG WINDS...HEAVY
RAINFALL AND DANGEROUS LIGHTNING.  REPORTS OF FLOODING OVER ROADWAYS
AND LOW LYING AREAS HAVE BEEN RECEIVED.
 
PERSONS SHOULD BE ALERT TO THIS SERIOUS SITUATION AND KEEP ALERT.
AVOID DRIVING INTO FLOOD PRONE AREAS.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODU+CE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:00 PM CDTFlash Flood WarningAMAPotter, Randall3 hr
May 16, 7:14 PM CDTSevere Thunderstorm WarningAMACarson, Potter61 min
May 16, 8:15 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson60 min
May 16, 8:43 PM CDTSevere Thunderstorm WarningAMAOchiltree62 min
May 16, 9:56 PM CDTSevere Thunderstorm WarningAMACarson64 min
May 17, 12:41 PM CDTSevere Thunderstorm WarningAMAParmer64 min
May 17, 1:43 PM CDTSevere Thunderstorm WarningAMAParmer62 min
May 17, 2:01 PM CDTSevere Thunderstorm WarningAMADeaf Smith59 min
May 17, 2:12 PM CDTSevere Thunderstorm WarningAMAHartley63 min
May 17, 3:16 PM CDTSevere Thunderstorm WarningAMAOldham, Potter59 min
May 17, 3:51 PM CDTSevere Thunderstorm WarningAMARandall, Swisher69 min
May 17, 4:10 PM CDTSevere Thunderstorm WarningAMAPotter65 min
May 17, 4:38 PM CDTSevere Thunderstorm WarningAMAHall67 min
May 17, 5:16 PM CDTTornado WarningAMAChildress29 min

Nearby

Flash Flood Warnings in Texas, 1989Every flash flood warning in 1989

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.