Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 8, NWS Amarillo, TX

May 25, 2000Gray County, Texas

NWS Amarillo, TX issued this flash flood warning at May 25, 2000, 11:45 PM CDT for Gray County, Texas. It was in force for 3 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 25, 2000, 11:45 PM CDT (04:45 UTC)
Expired
May 26, 2000, 2:45 AM CDT
In force
3 hr
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), 78 km from the middle of the area, began a volume at 04:52 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, 4.8 hours before the alert went out and 77 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 260447
FFWAMA
TXC179-260745-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1145 PM CDT THU MAY 25 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

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

* UNTIL 245 AM CDT

* AT 1140 PM CDT...WEATHER SERVICE RADAR INDICATED THUNDERSTORMS
  PRODUCING VERY HEAVY RAINFALL ACROSS MUCH OF GRAY COUNTY. THESE
  HEAVY RAIN PRODUCING THUNDERSTORMS WERE MOVING NORTHEAST AT 20 MPH.
  RAINFALL RATES OF 1 INCH PER HOUR WILL RESULT IN FURTHER RUNOFF
  AND RAPID RISING WATER. 

* SOME LOCATIONS AFFECTED INCLUDE...
  PAMPA...MCLEAN...LEFORS...LAKE MCCLELLAN...KINGSMILL AND ALANREED

MOTORISTS WILL ENCOUNTER RAPIDLY RISING WATER IN UNDERPASSES...
INTERSECTIONS AND OTHER FLOOD PRONE AREAS. ALSO EXCESSIVE RUNOFF WILL 
INUNDATE ROADS AND FARM AND RANCH LAND. NEVER ATTEMPT TO CROSS FLOWING 
WATER IN A CAR OR ON FOOT.!

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE FLOOD
DANGERS. DO NOT DRIVE INTO FLOODED AREAS.

LAT...LON 3521 10106 3520 10056 3562 10056 3562 10108

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, 9:37 PM CDTFlash Flood WarningAMAGray68 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

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.