Alert archive / Texas / Flash Flood Warnings in 1999

Flash Flood Warning 13, NWS Lubbock, TX

May 9, 1999Lubbock County, Texas

NWS Lubbock, TX issued this flash flood warning at May 9, 1999, 6:29 PM CDT for Lubbock County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
May 9, 1999, 6:29 PM CDT (23:29 UTC)
Expired
May 9, 1999, 8:30 PM CDT
In force
2 hr
Issued by
NWS Lubbock, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Lubbock County, TX

The radar

The Lubbock radar (KLBB), 8 km from the middle of the area, began a volume at 23:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.5 hours before the alert went out and 168 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 12:00Z on 1999-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1086 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 12:00Z on 1999-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 square meters per square second.193958Sfc1 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
1086 J/kg
Mixed-layer CIN
-314 J/kg
Mixed-layer LCL
1716 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
268 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLUB 092333
FFWLBB
TXC303-100130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
629 PM CDT SUN MAY 9 1999

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN LUBBOCK COUNTY IN NORTHWEST TEXAS

* UNTIL 830 PM CDT

* AT 624 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN 6 MILES NORTHEAST OF LUBBOCK INT. AIRPORT...OR ABOUT 9 MILES
  SOUTHEAST OF ABERNATHY...MOVING NORTHEAST AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE NEW DEAL.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.
V
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
LUBBOCK.

LAT...LON 3363 10190 3368 10156 3383 10155 3383 10193

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, May 9, 6:23 PM CDT, 6 minutes before
TXZ022>044-100100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
623 PM CDT SUN MAY 9 1999

THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH NUMBER 231
FOR THE FOLLOWING COUNTIES IN THE SOUTHERN TEXAS PANHANDLE AND THE
SOUTH PLAINS...

CASTRO     SWISHER     BAILEY     LAMB     COCHRAN     HOCKLEY
YOAKUM     TERRY

THE TORNADO WATCH CONTINUES IN EFFECT UNTIL 800 PM FOR THE FOLLOWING
COUNTIES IN THE SOUTHERN PANHANDLE...THE SOUTH PLAINS AND THE LOW
ROLLING PLAINS...

BRISCOE    HALL        CHILDRESS  HALE     FLOYD       MOTLEY
COTTLE     LUBBOCK     CROSBY     DICKENS  KING        LYNN
GARZA      KENT        STONEWALL

SEVERE THUNDERSTORMS HAVE MOVED INTO THE EASTERN PORTION OF THE
WATCH AREA AND THE ATMOSPHERE HAS STABILIZED FOR THE TIME BEING WEST
OF A TULIA-LEVELLAND-BROWNFIELD LINE.

LISTEN FOR LATER INFORMATION FROM THE NATIONAL WEATHER SERVICE.

EJC
Special weather statement, May 9, 6:23 PM CDT, 6 minutes before
TXZ022>044-100100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
623 PM CDT SUN MAY 9 1999

THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH NUMBER 231
FOR THE FOLLOWING COUNTIES IN THE SOUTHERN TEXAS PANHANDLE AND THE
SOUTH PLAINS...

CASTRO     SWISHER     BAILEY     LAMB     COCHRAN     HOCKLEY
YOAKUM     TERRY

THE TORNADO WATCH CONTINUES IN EFFECT UNTIL 800 PM FOR THE FOLLOWING
COUNTIES IN THE SOUTHERN PANHANDLE...THE SOUTH PLAINS AND THE LOW
ROLLING PLAINS...

BRISCOE    HALL        CHILDRESS  HALE     FLOYD       MOTLEY
COTTLE     LUBBOCK     CROSBY     DICKENS  KING        LYNN
GARZA      KENT        STONEWALL

SEVERE THUNDERSTORMS HAVE MOVED INTO THE EASTERN PORTION OF THE
WATCH AREA AND THE ATMOSPHERE HAS STABILIZED FOR THE TIME BEING WEST
OF A TULIA-LEVELLAND-BROWNFIELD LINE.

LISTEN FOR LATER INFORMATION FROM THE NATIONAL WEATHER SERVICE.

EJC

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 2:25 PM CDTSevere Thunderstorm WarningLUBLynn, Terry50 min
May 9, 2:29 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock46 min
May 9, 2:41 PM CDTSevere Thunderstorm WarningLUBLubbock49 min
May 9, 2:44 PM CDTSevere Thunderstorm WarningLUBHale61 min
May 9, 2:59 PM CDTSevere Thunderstorm WarningLUBSwisher61 min
May 9, 3:10 PM CDTSevere Thunderstorm WarningLUBCrosby, Floyd65 min
May 9, 4:10 PM CDTSevere Thunderstorm WarningLUBLynn50 min
May 9, 4:32 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock43 min
May 9, 4:59 PM CDTSevere Thunderstorm WarningLUBLynn31 min
May 9, 5:07 PM CDTTornado WarningLUBLynn53 min
May 9, 5:19 PM CDTSevere Thunderstorm WarningLUBFloyd41 min
May 9, 5:23 PM CDTTornado WarningLUBGarza52 min
May 9, 5:51 PM CDTSevere Thunderstorm WarningLUBMotley39 min
May 9, 5:54 PM CDTSevere Thunderstorm WarningLUBCrosby51 min
May 9, 6:12 PM CDTTornado WarningLUBGarza, Kent63 min
May 9, 6:33 PM CDTTornado WarningLUBGarza57 min
May 9, 6:44 PM CDTSevere Thunderstorm WarningLUBCrosby46 min
May 9, 6:53 PM CDTSevere Thunderstorm WarningLUBChildress37 min
May 9, 6:56 PM CDTSevere Thunderstorm WarningLUBDickens49 min

Nearby

Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999

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; radar from the NEXRAD Level II archive.