Alert archive / Texas / Flash Flood Warnings in 1992

Flash Flood Warning 17, NWS Amarillo, TX

June 11, 1992Potter County, Randall County, Texas

NWS Amarillo, TX issued this flash flood warning at Jun 11, 1992, 7:22 PM CDT for Potter County, Randall County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 11, 1992, 7:22 PM CDT (00:22 UTC)
Expired
Jun 11, 1992, 10:30 PM CDT
In force
3 hr
Issued by
NWS Amarillo, TX
Area
Whole counties

Counties Potter County, TX, Randall County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.4 hours before the alert went out and 18 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 1992-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 418 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 1992-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
418 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1534 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

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.

In the hours before

Special weather statement, Jun 11, 4:07 PM CDT, 3 hours 15 minutes before
TXC375-381-112315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
407 PM CDT THU JUN 11 1992

FLOODING OF STREETS ARE LIKELY IN AMARILLO THROUGH 600 PM THIS EVENING
AS A SEVERE THUNDERSTORM MOVES SLOWLY THROUGH THE CITY.

RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE EXPECTED BETWEEN 400 AND 500
PM.

DO NOT DRIVE THROUGH FLOODED STREETS.

JSE
Special weather statement, Jun 11, 5:14 PM CDT, 2 hours 8 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-110500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
510 PM CDT TUE JUN 09 1992

...SEVERE THUNDERSTORM WATCH NO. 340 IS IN EFFECT UNTIL MIDNIGHT
CDT FOR THE FOLLOW COUNTIES...

IN THE OKLAHOMA PANHANDLE...

CIMARRON...TEXAS AND BEAVER.

IN THE TEXAS PANHANDLE...

DALLAM...HARTLEY...OLDHAM...DEAF SMITH...SHERMAN....MOORE...
POTTER...RANDALL...HANSFORD...HUTCHINSON...CARSON...ARMSTRONG...
OCHILTREE...ROBERTS...GRAY...DONLEY...LIPSCOMB...HEMPHILL...
WHEELER...AND COLLINGSWORTH.

LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS
ARE POSSIBLE IN THESE COUNTIES.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 100 STATUTE MILES
EAST AND WEST OF A LINE FROM  40 MILES NORTH NORTHEAST OF CLAYTON
NEW MEXICO TO  40 MILES WEST SOUTHWEST OF BIG SPRING TEXAS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS.  PERSONS IN ToHESE COUNTIES
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND
LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

JSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:04 PM CDTSevere Thunderstorm WarningAMACarson56 min
Jun 11, 7:05 PM CDTSevere Thunderstorm WarningAMABriscoe40 min
Jun 11, 7:22 PM CDTSevere Thunderstorm WarningAMAPotter, Randall88 min
Jun 11, 7:27 PM CDTSevere Thunderstorm WarningAMACastro63 min
Jun 11, 7:40 PM CDTTornado WarningAMAPotter, Randall35 min
Jun 12, 4:22 PM CDTSevere Thunderstorm WarningAMARoosevelt68 min
Jun 12, 4:35 PM CDTTornado WarningAMARoosevelt25 min
Jun 12, 5:05 PM CDTSevere Thunderstorm WarningAMAUnion55 min
Jun 12, 5:27 PM CDTSevere Thunderstorm WarningAMARoosevelt63 min
Jun 12, 5:47 PM CDTTornado WarningAMARoosevelt28 min
Jun 12, 5:59 PM CDTSevere Thunderstorm WarningAMAUnion61 min
Jun 12, 6:28 PM CDTSevere Thunderstorm WarningAMARoosevelt62 min

Nearby

Flash Flood Warnings in Texas, 1992Every flash flood warning in 1992

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.