Alert archive / Texas / Flash Flood Warnings in 1986

Flash Flood Warning 7, NWS Amarillo, TX

October 2, 1986Collingsworth County, Texas

NWS Amarillo, TX issued this flash flood warning at Oct 2, 1986, 10:25 PM CDT for Collingsworth County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Oct 2, 1986, 10:25 PM CDT (03:25 UTC)
Expired
Oct 3, 1986, 1:30 AM CDT
In force
3 hr
Issued by
NWS Amarillo, TX
Area
Whole counties

County Collingsworth 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, 3.4 hours before the alert went out and 133 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 1986-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1986-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
958 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
97 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 030325
FFWAMA
TXC087-030630-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1025 PM CDT THU OCT 2 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 130 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

PANHANDLE OF TEXAS...COLLINGSWORTH

AT 1015 PM CDT THE CITY OF WELLINGTON REPORTS OVER 6 INCHES
OF RAINFALL SO FAR TODAY...WITH WIDESPREAD STREET FLOODING
IN THAT CITY. STATE HIGHWAY 203 IS REPORTED CLOSE DUE TO HIGH
WATER BETWEEN WELLINGTON AND QUAIL.

RADAR INDICATED HEAVY RAIN IN MOST OF COLLINGSWORTH COUNTY
...WITH MORE ON THE WAY.

 ANYONE DRIVING IN THIS AREA SHOULD AVOID AREAS NEAR
 STREAMS AND LOW WATER CROSSINGS AS FLASH FLOODING
 IS LIKELY.

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, Oct 2, 5:36 PM CDT, 4 hours 49 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
 535 PM CDT THU OCT 2  1986
 ...TORNADO WATCH NUMBER 544 CONTINUES IN EFFECT UNTIL 1100 PM CDT
FOR THE SOUTHEAST TEXAS PANHANDLE...
...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 700 AM CDT FRIDAY FOR
THE SOUTH AND SOUTHEAST TEXAS PANHANDLE...
...FLASH FLOOD WATCH ALSO IN EFFECT UNTIL 600 AM MDT FOR CURRY...
ROOSEVELT...AND QUAY COUNTIES OF EAST NEW MEXICO...

AT 528 PM CDT AMARILLO RADAR INDICATED NUMEROUS SHOWERS AND THUNDER
STORMS...SOME WITH VERY HEAVY RAINFALL...OVER THE SOUTHEAST HALF OF
THE TEXAS PANHANDLE. STRONGEST THUNDERSTORMS WERE JUST SOUTHWEST OF
CHILDRESS...AND BETWEEN CLARENDON AND SILVERTON. MOVEMENT WAS NORTHEAST
AT 25 MILES AN HOUR.

PERSONS IN THE WATCH AREAS SHOULD REMAIN ALERT FOR SEVERE WEATHER...
AND FLOODING OF LOW LYING AREAS.
Special weather statement, Oct 2, 7:40 PM CDT, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
740 PM CDT THU OCT 2  1986
 ...TORNADO WATCH NUMBER 544 CONTINUES IN EFFECT UNTIL 1100 PM CDT
FOR THE SOUTHEAST TEXAS PANHANDLE...
...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 700 AM CDT FRIDAY FOR
THE SOUTH AND SOUTHEAST TEXAS PANHANDLE...
...FLASH FLOOD WATCH ALSO IN EFFECT UNTIL 600 AM MDT FOR CURRY...
ROOSEVELT...AND QUAY COUNTIES OF EAST NEW MEXICO...

AT 730 PM CDT AMARILLO RADAR INDICATED NUMEROUS SHOWERS AND THUNDER
STORMS...SOME WITH VERY HEAVY RAINFALL...OVER THE EASTERN TWO THIRDS
OF THE TEXAS PANHANDLE...EXTENDING INTO WEST OKLAHOMA...AND INTO THE
TEXAS SOUTH PLAINS. HEAVIEST RAINFALL WAS IN CHILDRESS AND HALL
COUNTIES OF THE SOUTHEAST TEXAS PANHANDLE. MOVEMENT WAS NORTHEAST AT
25 MILES AN HOUR.

PERSONS THROUGHOUT THE WATCH AREAS ARE URGED TO REMAIN ALERT FOR
FLOODING...SEVERE THUNDERSTORMS AND POSSIBLE TORNADIC ACTIVITY FOR
THE REMAINDER OF THE EVENING.
Special weather statement, Oct 2, 9:43 PM CDT, 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
 943 PM CDT THU OCT 2  1986

TORNADO WATCH NUMBER 544 ISSUED EARLIER FOR THE SOUTHEAST TEXAS
PANHANDLE HAS BEEN C}ANCELLED. A FLASH FLOOD WATCH CONTINUES IN
EFFECT TONIGHT AND FRIDAY MORNING FOR THE SOUTH AND SOUTHEAST
TEXAS PANHANDLE...AND FOR CURRY...ROOSEVELT...AND QUAY COUNTIES
OF EAST NEW MEXICO.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 2, 9:18 PM CDTFlash Flood WarningAMABriscoe3 hr

Nearby

Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986

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.