Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 1, NWS Midland/Odessa, TX

March 15, 2003Howard County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Mar 15, 2003, 9:00 PM CST for Howard 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: Mar 15, 2003, 9:00 PM CST (03:00 UTC)
Expired: Mar 16, 2003, 12:00 AM CST
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Counties, with a storm outline in the text

County Howard County, TX

The radar

The Midland/Odessa radar (KMAF), 71 km from the middle of the area, began a volume at 03:02 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, 3.0 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 639 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 2135 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMAF 160302
FFWMAF
TXC227-160600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
9 PM CST SAT MAR 15 2003

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN HOWARD COUNTY IN WEST TEXAS

* UNTIL MIDNIGHT CST

* AT 855 PM CST...A STORM SPOTTER REPORTED WATER 1 FOOT DEEP IN LOW WATER
  CROSSINGS ACROSS SOUTHERN HOWARD COUNTY. WIDESPREAD THUNDERSTORMS WILL
  CONTINUE AND FLASH FLOODING IS LIKELY.

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

LAT...LON 3211 10168 3213 10120 3230 10121 3220 10167

$$

1 follow-up statement

000 
WGUS74 KMAF 160516
FFSMAF
TXC227-160600-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1110 PM CST SAT MAR 15 2003

...A FLASH FLOOD WARNING CONTINUES FOR SOUTHERN HOWARD COUNTY UNTIL
   MIDNIGHT CST...

NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE STRONG THUNDERSTORMS 
THAT PRODUCED FLOODING OF ROADS IN SOUTHERN HOWARD COUNTY HAD MOVED 
SOUTHEAST OUT OF THE COUNTY. WATER LEVELS WILL SLOWLY RECEDE...HOWEVER
FLOODING IS STILL POSSIBLE THROUGH MIDNIGHT.

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

LAT...LON 3210 10169 3210 10149 3211 10118 3222 10118
          3229 10120 3229 10144 3222 10169

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 6:04 PM CST	Severe Thunderstorm Warning	MAF	Upton	41 min
Mar 15, 6:38 PM CST	Severe Thunderstorm Warning	MAF	Reagan	37 min
Mar 15, 7:44 PM CST	Severe Thunderstorm Warning	MAF	Glasscock	31 min
Mar 15, 7:57 PM CST	Severe Thunderstorm Warning	MAF	Martin, Midland	33 min
Mar 15, 8:16 PM CST	Severe Thunderstorm Warning	MAF	Glasscock, Howard	44 min
Mar 15, 9:32 PM CST	Severe Thunderstorm Warning	MAF	Glasscock	43 min
Mar 15, 10:17 PM CST	Severe Thunderstorm Warning	MAF	Glasscock, Reagan	43 min

Nearby

Flash Flood Warnings in Texas, 2003 Every 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.