Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 10, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Sep 29, 1990, 2:00 AM CDT for Oldham County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 29, 1990, 2:00 AM CDT (07:00 UTC)
- Expired
- Sep 29, 1990, 5:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Oldham 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, 7.0 hours before the alert went out and 84 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 26 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 290702
FFWAMA
TXC359-291000-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
200 AM CDT SAT SEP 29 1990
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 500 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN THE TEXAS PANHANDLE
...OLDHAM
AT 200 AM CDT AMARILLO RADAR INDICATED NUMEROUS STRONG THUNDERSTORMS
MOVEING INTO SOUTHERN OLDHAM COUNTY. THESE STORM WILL BE MOVING
OVER GROUND THAT IS ALREADY SATURATED FROM PREVIOUS HEAVY RAIN.
THE SHERIFFS DEPARTMENT IN VEGA REPORTED WIDESPREAD FLOODING IN
THE CITY OF VEGA AT THIS TIME.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.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, Sep 28, 8:41 PM CDT, 5 hours 19 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-290240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 840 PM CDT FRI SEP 28 1990 ...STRONG THUNDERSTORMS INCREASING IN AREAL COVERAGE IN THE NORTHWEST AND SOUTHEAST TEXAS PANHANDLE... AT 830 PM CDT AMARILLO RADAR INDICATED NUMEROUS STRONG THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE NORTHWEST TEXAS PANHANDLE BETWEEN DALHART AND AMARILLO..AND IN THE SOUTHEAST TEXAS PANHANDLE BETWEEN CLARENDON AND AMARILLO. HEAVIEST RAINFALL WAS IN CARSON AND DONLEY COUNTIES IN THE SOUTHEAST PANHANDLE..AND IN OLDHAM..EASTERN HARTLEY..AND MOORE COUNTIES OF THE NORTHWEST TEXAS PANHANDLE. M)LL HAIL..AND STRONG GUSTY WINDS MAY ALSO ACCOMPANY THESE STORMS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Sep 29, 1:47 AM CDT, 13 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-290745- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 145 AM CDT SAT SEP 29 1990 ..FLASH FLOOD WATCH CONTINUES IN EFFECT UNTIL 700 AM CDT FOR THE WEST TWO THIRDS OF THE TEXAS PANHANDLE..INCLUDING THE AMARILLO/CANYON AREA.. AT 127 AM CDT AMARILLO RADAR INDICATED NUMEROUS STRONG THUNDERSTORMS WITH VERY HEAVY RAIN OVER MOST OF THE TEXAS PANHANDLE EXCEPT FOR THE SOUTHEAST PORTION. HEAVIST RAINFALL WAS INDICATED ALONG THE POTTER CARSON COUNTY LINE..BETWEEN AMARILLO AND FRITCH..AND IN DEAF SMITH AND OLDHAM COUNTIES..BETWEEN VEGA AND BOVINA. HEAVY RAINS WERE ALSO MOVING INTO SOUTHERN ARMSTRONG COUNTY. MOVEMENT WAS TO THE NORTHEAST AT 15 MILES AN HOUR. FLOODING OF STREETS AND ROADS IS LIKELY AS THE STRONGER STORMS MOVE THROUGH THE AREA. PONDING OF WATER IN LOW LYING AREAS IS ALSO LIKELY. MOTORISTS ARE REMINDED NOT TO CROSS WATER OF UNKNOWN DEPTH. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. GH
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 10:10 PM CDT | Flash Flood Warning | AMA | Oldham | 2 hr |
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.