Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 6, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Aug 16, 1990, 9:11 PM CDT for Castro County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 16, 1990, 9:11 PM CDT (02:11 UTC)
- Expired
- Aug 16, 1990, 11:35 PM CDT
- In force
- 2 hr
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Castro 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, 2.2 hours before the alert went out and 93 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.
- Mixed-layer CAPE
- 296 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1527 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KAMA 170212
FFWAMA
TXC069-170615-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
911 PM CDT THU AUG 16 1990
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 115 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN THE TEXAS PANHANDLE
...SOUTHEASTERN CASTRO
AT 907 PM CDT...NATIONAL WEATHER SERVICE RADAR IN AMARILLO WAS SHOWING
A LINE OF THUNDERSTORMS FROM DIMMITT TO ABERNATHY. THE CASTRO COUNTY
SHERIFFS OFFICE HAS REPORTED 1 TO 2 INCHES OF RAINFALL EARLIER TODAY
1 1/2 MILES SOUTHEAST OF HART. RADAR ESTIMATES SUGGEST THAT UP TO 4
INCHES MAY HAVE FALLEN EARLIER THIS EVENING IN PARTS OF SOUTHEAST
CASTRO COUNTY. HEAVY RAIN WAS ALREADY BEING REPORTED WITH THIS NEW
LINE OF STORMS SO FLOODING IS LIKELY.
MOVEMENT IS NORTHEAST AT 20 MILES AN HOUR.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.! IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
TWGWhat 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, Aug 16, 6:53 PM CDT, 2 hours 18 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-170045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 653 PM CDT THU AUG 16 1990 ...VERY HEAVY RAINS ARE FALLING FROM OLTON TO TULIA TEXAS EARLY THIS EVENING... AT 645 PM CDT...A LINE OF SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...STRETCHED FROM JUST WEST OF PAMPA SOUTHWESTWARD TO TO NEAR LITTLEFIELD IN THE TEXAS SOUTH PLAINS. THIS LINE HAS MOVED VERY LITTLE IN THE PAST HOUR. DUE TO THE SLOW MOVEMENT OF THIS LINE FLOODING OF LOW LYING AREAS...ROADWAYS...DITCHES...AND SMALL STREAMS IS LIKELY. RADAR DERIVED ESTIMATES OF RAINFALL SUGGEST THAT 2 TO 3 INCHES OF RAIN MAY HAVE FALLEN SINCE 5PM FROM OLTON TO NEAR TULIA. NO REPORTS OF FLOODING HAS BEEN RECEIVED AT THE NATIONAL WEATHER SERVICE OFFICE IN AMARILLO. ELSEWHERE...SHOWERS AND A FEW THUNDERSTORMS WERE WIDELY SCATTERED ACROSS EAST CENTRAL NEW MEXICO BETWEEN GALLEGOS AND FORT SUMNER. OTHER SHOWERS WERE SCATTERED ACROSS THE STATE LINE SOUTH OF CLOVIS. MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR. IF YOU LIVE IN THE SOUTH CENTRAL PART OF THE TEXAS PANHANDLE BE ALERT TO THE POSSIBCILITY OF HEAVY RAINS THIS EVENING...ESPECIALLY IN SOUTHEASTERN CASTRO AND SWISHER COUNTIES. IF WATER IS FLOWING ACROSS THE ROAD DO NOT DRIVE THROUGH IT. STAY TUNED TO THIS STATION FOR LATER STATEMENTS. TWG
Special weather statement, Aug 16, 8:04 PM CDT, 1 hour 7 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-170200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AMARILLO TX 803 PM CDT THU AUG 15 1990 ...STRONG THUNDERSTORM IS APPROACHING CHILDRESS TEXAS THIS EVENING... AT 8PM CDT...NATIONAL WEATHER SERVICE RADAR WAS INDICATING A GROUP OF THUNDERSTORMS IN THE CHILDRESS TEXAS VICINITY. AT 745PM CDT THE WEATHER OBSERVATORY AT THE CHILDRESS AIRPORT REPORTED WIND GUSTS TO 45 MPH. THESE THUNDERSTORMS WILL LIKELY CONTAIN BRIEF HEAVY DOWNPOURS AND POSSIBLY SOME SMALL HAIL. LIGHTNING DETECTION EQUIPMENT WAS ALSO SHOWING A FEW CLOUD TO GROUND LIGHTNING STRIKES WITH THESE STORMS. MOVEMENT WAS NORTHEAST AT 25 MILES AN HOUR. IF THUNDERSTORMS APPROACH YOU SEEK SHELTER INDOORS. DO NOT USE TELEPHONES WHEN THUNDERSTORMS ARE OCCURRING UNLESS IT IS AN EMERGENCY. STAY TUNED TO THIS STATION FOR LATER STATEMENTS. TWG
Special weather statement, Aug 16, 8:42 PM CDT, 29 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-170245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 842 PM CDT THU AUG 16 1990 ...THUNDERSTORMS ARE INCREASING IN INTENSITY IN THE SOUTHWEST CORNER OF THE TEXAS PANHANDLE AND IN THE TEXAS SOUTH PLAINS THIS EVENING... AT 830 PM CDT...A LINE OF THUNDERSTORMS...SOME WITH HEAVY RAIN...GUSTY WINDS...AND POSSIBLY SOME SMALL HAIL...WAS LOCATED FROM JUST SOUTH OF HEREFORD TO 5 MILES WEST OF LUBBOCK. THIS LINE OF STORMS IS MOVING OVER GROUND WHICH IS ALREADY SATURATED FROM RAINS OVER THE PAST COUPLE OF DAYS SO WATCH OUT FOR FLOODING OR PONDING OF WATER ON ROADS...LOW LYING AREAS...AND SMALL STREAMS. THIS LINE WILL ALSO LIKELY PRODUCE WIND GUSTS UP TO 50 MPH IN PLACES. MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. IF YOU LIVE IN SOUTHEAST CASTRO COUNTY BE ESPECIALLY ALERT TO THE POSSIBILITY OF FLOODING AS THIS LINE OF STORMS WILL BE MOVING OVER AREAS WHERE UP TO 3 INCHES OF RAIN MAY HAVE FALLEN EARLIER TODAY. IF WATERS ARE RISING BE PREPARED TO MOVE TO HIGHER GROUND. ELSEWHERE...OTHER THUNDERSTORM WERE LOCATED IN NORTHEASTERN CHILDRESS COUNTY AND IN SOUTHERN HARMON COUNTY OKLAHOMA. MOVEMENT WAS NORTHEAST AT 25 TO 30 MILES AN HOUR. AN AREA OF LIGHT RAIN WAS LOCATED BETWEEN PERRYTON AND MIAMI IN THE NORTHEAST TEXAS PANHANDLE. STAY TUNED TO THIS STATION FOR LATER STATEMENTS. TWG
Nearby
Flash Flood Warnings in Texas, 1990Every flash flood warning in 1990
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.