Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 7, NWS Amarillo, TX
NWS Amarillo, TX issued this flash flood warning at Aug 18, 1990, 7:07 PM CDT for Randall County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 18, 1990, 7:07 PM CDT (00:07 UTC)
- Expired
- Aug 18, 1990, 9:15 PM CDT
- In force
- 2 hr
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Randall 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, 0.1 hours before the alert went out and 34 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
- 155 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 2330 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 29 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 190009
FFWAMA
TXC381-190215-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
707 PM CDT AUG 18 1990
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 915 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN THE TEXAS PANHANDLE
...RANDALL
AT 707PM CDT...THE PUBLIC REPORTED THAT 4 INCHES OF RAIN HAS FALLEN IN
THE LAST 35 MINUTES AT LAKE TANGLEWOOD. HAIL THE SIZE OF QUARTERS AND
CEDAR TREES BENDING DOWN TO THE GROUND WERE ALSO REPORTED.
THIS STORM WAS MOVING TO THE NORTHEAST AT LESS THAN 10 MPH.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
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 18, 3:48 PM CDT, 3 hours 19 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-182145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 345 PM CDT SAT AUG 18 1990 ...STRONG THUNDERSTORMS RAPIDLY DEVELOPING IN THE SURROUNDING AREA... AT 334 PM CDT...RADAR SHOWED NUMEROUS STRONG THUNDERSTORMS ACROSS THE TEXAS AND OKLAHOMA PANHANDLES...THE NORTHWEST CORNER OF THE TEXAS SOUTH PLAINS AND NORTHEAST NEW MEXICO INTO SOUTHEAST COLORADO. STRONGEST STORMS WERE NORTHWEST AND SOUTHEAST OF KEYES OKLAHOMA... SOUTHWEST OF DALHART...NORTHWEST OF GROOM AND ON THE TEXAS...NEW MEXICO STATE LINE EAST OF SAN JON NEW MEXICO. IN THE TEXAS SOUTH PLAINS... THE STORMS WERE LOCATED FROM AMHERST TO WHITEFACE. NO MOVEMENT WAS DETERMINED AT THIS TIME. PEOPLE IN AND AROUND THESE STORMS CAN EXPECT DANGEROUS LIGHTNING... GUSTY WINDS AND BRIEF RAINFALL. STAY TUNED FOR LATER STATEMENTS.
Special weather statement, Aug 18, 4:53 PM CDT, 2 hours 14 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-182245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 450 PM CDT SAT AUG 18 1990 ...STRONG THUNDERSTORMS ACROSS PARTS OF EAST NEW MEXICO...THE TEXAS PANHANDLE...AND THE OKLAHOMA PANHANDLE LATE THIS AFTERNOON... AT 435 PM CDT...RADAR SHOWED NUMEROUS THUNDERSTORMS ACROSS THE TEXAS AND OKLAHOMA PANHANDLES...EAST NEW MEXICO AND THE NORTHWEST CORNER OF THE TEXAS SOUTH PLAINS. THE STRONGEST THUNDERSTORMS WERE NEAR PAMPA IN THE TEXAS PANHANDLE... BETWEEN BROADVIEW AND SAN JON IN EAST NEW MEXICO...AND NEAR KERRICK IN THE OKLAHOMA PANHANDLE. MOVEMENT OF THESE THUNDERSTORMS WAS NORTHEAST AT 15 MILES AN HOUR. PEOPLE IN AND AROUND THESE STORMS CAN EXPECT HEAVY RAINFALL... SMALL HAIL...GUSTY WINDS...AND DANGEROUS LIGHTNING. STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL TELEVISION OR RADIO FOR LATER STATEMENTS AND POSSIBLE WARNHINGS.
Local storm report, Aug 18, 6:05 PM CDT, 1 hour 2 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
604 PM CDT SAT AUG 18 1990
1758 CDT (1628 CST)...UP TO QUARTER SIZE HAIL IN WHITEDEER TX. SPOTTER
NO REPORTS.
WSO AMA
GHLocal storm report, Aug 18, 6:05 PM CDT, 1 hour 2 minutes before
STORM REPORT CORRECTED NATIONAL WEATHER SERVICE AMARILLO, TX 605 PM CDT SAT AUG 18 1990 1758 CDT (1628 CST)...UP TO QUARTER SIZE HAIL IN WHITEDEER TX. SPOTTER
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 7:03 PM CDT | Severe Thunderstorm Warning | AMA | Hansford | 57 min |
| Aug 18, 7:40 PM CDT | Severe Thunderstorm Warning | AMA | Moore | 65 min |
| Aug 18, 7:47 PM CDT | Severe Thunderstorm Warning | AMA | Gray | 58 min |
| Aug 18, 8:03 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Sherman | 57 min |
| Aug 18, 8:24 PM CDT | Tornado Warning | AMA | Moore | 36 min |
| Aug 18, 8:42 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Wheeler | 63 min |
| Aug 18, 8:42 PM CDT | Severe Thunderstorm Warning | AMA | Lipscomb | 63 min |
| Aug 18, 9:38 PM CDT | Severe Thunderstorm Warning | AMA | Briscoe | 67 min |
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.