Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 4, NWS Amarillo, TX

May 25, 2000Gray County, Texas

NWS Amarillo, TX issued this flash flood warning at May 25, 2000, 9:37 PM CDT for Gray County, Texas. It was in force for 68 min. 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 25, 2000, 9:37 PM CDT (02:37 UTC)
Expired
May 25, 2000, 10:45 PM CDT
In force
68 min
Issued by
NWS Amarillo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Gray County, TX

The radar

The Amarillo radar (KAMA), 82 km from the middle of the area, began a volume at 02:37 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 00:00Z, 2.6 hours before the alert went out and 81 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 2000-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1927 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2000-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897117Sfc1 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
1927 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KAMA 260240
FFWAMA
TXC179-260345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
937 PM CDT THU MAY 25 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN GRAY COUNTY IN THE TEXAS PANHANDLE

* UNTIL 1045 PM CDT

* AT 932 PM CDT...WEATHER SERVICE RADAR INDICATED A CLUSTER OF 
  THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER THE NORTHERN HALF OF
  GRAY COUNTY. SPOTTER REPORTS INDICATE RAINFALL RATES OVER 1 INCH
  IN 30 MINUTES WITH THESE STORMS. 

* SOME LOCATIONS AFFECTED INCLUDE...
  PAMPA

DO NOT DRIVE ACROSS FLOODED ROADWAYS. MOST FLASH FLOOD DEATHS OCCUR
IN AUTOMIBILES.

MOTORISTSE WILL ENCOUNTER RAPIDLY RISING WATER IN UNDERPASSES...
INTERSECTIONS AND OTHER FLOOD PRONE AREAS. DO NOT DRIVE ACROSS
FLOODED ROADWAYS!

LAT...LON 3560 10108 3535 10109 3536 10055 3561 10055

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:10 PM CDTSevere Thunderstorm WarningAMAOldham35 min
May 25, 7:35 PM CDTSevere Thunderstorm WarningAMAPotter40 min
May 25, 7:38 PM CDTSevere Thunderstorm WarningAMAMoore37 min
May 25, 7:44 PM CDTSevere Thunderstorm WarningAMAHemphill46 min
May 25, 7:49 PM CDTSevere Thunderstorm WarningAMAWheeler41 min
May 25, 7:53 PM CDTSevere Thunderstorm WarningAMADonley37 min
May 25, 8:14 PM CDTSevere Thunderstorm WarningAMAHutchinson46 min
May 25, 8:34 PM CDTSevere Thunderstorm WarningAMAHemphill41 min
May 25, 8:36 PM CDTTornado WarningAMADeaf Smith24 min
May 25, 8:55 PM CDTTornado WarningAMAPotter, Randall50 min
May 25, 9:06 PM CDTSevere Thunderstorm WarningAMACarson, Gray39 min
May 25, 9:26 PM CDTSevere Thunderstorm WarningAMAPotter, Randall49 min
May 25, 9:30 PM CDTSevere Thunderstorm WarningAMADeaf Smith30 min
May 25, 9:43 PM CDTSevere Thunderstorm WarningAMARandall62 min
May 25, 9:47 PM CDTSevere Thunderstorm WarningAMAOldham43 min
May 25, 9:54 PM CDTSevere Thunderstorm WarningAMACarson66 min
May 25, 10:10 PM CDTFlash Flood WarningAMAHemphill, Lipscomb80 min
May 25, 10:38 PM CDTSevere Thunderstorm WarningAMAArmstrong67 min
May 25, 11:08 PM CDTFlash Flood WarningAMARandall3 hr
May 25, 11:21 PM CDTSevere Thunderstorm WarningAMACarson, Gray39 min
May 25, 11:25 PM CDTFlash Flood WarningAMACarson3 hr
May 25, 11:36 PM CDTSevere Thunderstorm WarningAMAArmstrong, Randall39 min
May 25, 11:45 PM CDTFlash Flood WarningAMAGray3 hr

Nearby

Flash Flood Warnings in Texas, 2000Every flash flood warning in 2000

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.