Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 9, NWS Amarillo, TX

June 13, 2003Hemphill County, Texas

NWS Amarillo, TX issued this flash flood warning at Jun 13, 2003, 7:16 PM CDT for Hemphill 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 as issued.

The facts

Issued
Jun 13, 2003, 7:16 PM CDT (00:16 UTC)
Expired
Jun 13, 2003, 10:00 PM CDT
In force
3 hr
Issued by
NWS Amarillo, TX
Area
Counties, with a storm outline in the text

County Hemphill County, TX

The radar

The Amarillo radar (KAMA), 145 km from the middle of the area, began a volume at 00:19 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, 0.3 hours before the alert went out and 144 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 2003-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1597 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 2003-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
1597 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1565 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KAMA 140039 CCA
FFWAMA
TXC211-140300-

BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED FOR EXPIRATION TIME
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
716 PM CDT FRI JUN 13 2003

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HEMPHILL COUNTY IN THE PANHANDLE OF TEXAS
  THIS INCLUDES THE CITY OF CANADIAN

* UNTIL 10 PM CDT

* AT 714 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN 3 MILES NORTH OF CANADIAN...MOVING SOUTH AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE GLAZIER AND LAKE MARVIN

IF FLASH FLOODING IS OBSERVED ACT QUICKLY MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS.

LAT...LON 3604 10053 3565 10053 3565 10001 3605 10003

$$
1 follow-up statement
000 
WGUS74 KAMA 140126
FFSAMA
TXC211-140300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
825 PM CDT FRI JUN 13 2003

...A FLASH FLOOD WARNING CONTINUES FOR HEMPHILL COUNTY UNTIL 10 PM 
CDT...

AT 823 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE VERY HEAVY RAINFALL RATES OF 1 TO 2 INCHES PER HOUR OVER 
THE SOUTHERN HALF OF HEMPHILL COUNTY. THE COMPLEX OF STORMS 
PRODUCING THE HEAVY RAINFALL WAS MOVING SOUTHEAST AT 20 MPH.

IF FLASH FLOODING IS OBSERVED ACT QUICKLY MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE FLOOD
DANGERS.

LAT...LON 3599 10053 3566 10051 3566 10003 3604 10008

$$

ANDRADE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 7:03 PM CDTSevere Thunderstorm WarningAMAOldham57 min
Jun 13, 7:42 PM CDTSevere Thunderstorm WarningAMAMoore63 min
Jun 13, 8:06 PM CDTSevere Thunderstorm WarningAMAHutchinson54 min
Jun 13, 8:10 PM CDTFlash Flood WarningAMAOldham3 hr
Jun 13, 8:18 PM CDTSevere Thunderstorm WarningAMADeaf Smith57 min
Jun 13, 8:27 PM CDTSevere Thunderstorm WarningAMAGray63 min
Jun 13, 8:38 PM CDTFlash Flood WarningAMADeaf Smith3 hr
Jun 13, 8:54 PM CDTSevere Thunderstorm WarningAMARandall66 min
Jun 13, 8:58 PM CDTSevere Thunderstorm WarningAMAPotter62 min

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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.