Alert archive / Texas / Flash Flood Warnings in 2001

Flash Flood Warning 5, NWS Midland/Odessa, TX

August 9, 2001Glasscock County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 9, 2001, 10:05 PM CDT for Glasscock County, Texas. It was in force for 4 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
Aug 9, 2001, 10:05 PM CDT (03:05 UTC)
Expired
Aug 10, 2001, 2:00 AM CDT
In force
4 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Glasscock County, TX

The radar

The Midland/Odessa radar (KMAF), 70 km from the middle of the area, began a volume at 03:06 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

Midland Regional, TX (KMAF), launched 00:00Z, 3.1 hours before the alert went out and 71 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, Midland Regional, TX at 00:00Z on 2001-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 780 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, Midland Regional, TX at 00:00Z on 2001-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939Sfc1 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
780 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1772 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WGUS64 KMAF 100310 CCA
FFWMAF
TXC173-100700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED PRODUCT ID
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1005 PM CDT THU AUG 9 2001

THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN GLASSCOCK COUNTY IN TEXAS

* UNTIL 200 AM CDT

* AT 1000 PM CDT...WEATHER SERVICE DOPPLER RADAR DETECTED A          
  THUNDERSTORM WITH VERY HEAVY RAIN NEAR ST. LAWRENCE...MOVING EAST  
  AT 15 MPH. ADDITIONAL STORMS ARE ALSO MOVING INTO THE AREA FROM    
  THE SOUTH.

* SOME LOCATIONS AFFECTED BY THIS FLASH FLOOD WARNING INCLUDE...     
  ST.LAWRENCE...LEES...AND GARDEN CITY

THE GROUND IN THIS AREA IS ALREADY SATURATED FROM PREVIOUS RAINS. 
THIS ADDITIONAL RAINFALL WILL ONLY MAKE MATTERS WORSE...ESPECIALLY 
NEAR ST. LAWRENCE.

LAT...LON 3175 10165 3167 10150 3169 10131 3178 10132
          3209 10127 3208 10155

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.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this flash flood warning went out at Aug 9, 9:19 PM CDT, 46 minutes earlier.

Area forecast discussion, Aug 9, 9:19 PM CDT, 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
919 PM CDT THU AUG 9 2001

BOUNDARY INTERACTIONS/SHEAR AXIS ALOFT/ABUNDANT MSTR ENUF TO
MAKE FOR AN ACTIVE RADAR. STORMS SLOWLY DECREASING E WHILE NEW
DEVELOPS OCCUR N AND W THEREFORE NO CHANGES PLANNED. WITH HEAVY
RAINS THIS EVENING MORE POTENTIAL PROBLEMS TMW WITH MM5 AGAIN
SHOWING AN ACTIVE DAY. LATER SHIFTS WILL LIKELY CONTINUE TO
HIGHLIGHT FLOODING/HEAVY RAIN POTENTIAL.

.MAF...
TX...NONE.
NM...NONE.

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 7:19 PM CDTFlash Flood WarningMAFHoward4 hr

Nearby

Flash Flood Warnings in Texas, 2001Every flash flood warning in 2001

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.