Alert archive / Texas / Tornado Warnings in 2003

Tornado Warning 7, NWS Houston/Galveston, TX

June 3, 2003Fort Bend County, Harris County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Jun 3, 2003, 7:04 PM CDT for Fort Bend County, Harris County, Texas. It was in force for 26 min. 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 3, 2003, 7:04 PM CDT (00:04 UTC)
Expired
Jun 3, 2003, 7:30 PM CDT
In force
26 min
Issued by
NWS Houston/Galveston, TX
Area
Counties, with a storm outline in the text

Counties Fort Bend County, TX, Harris County, TX

The radar

The Houston radar (KHGX), 78 km from the middle of the area, began a volume at 00:04 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.1 hours before the alert went out and 253 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, Lake Charles Mun, LA at 00:00Z on 2003-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3745 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 00:00Z on 2003-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
3745 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
720 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KHGX 040004
TORHOU
TXC157-201-040030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
703 PM CDT TUE JUN 3 2003

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWEST HARRIS COUNTY IN SOUTHEAST TEXAS
  NORTHWEST FORT BEND COUNTY IN SOUTHEAST TEXAS

* UNTIL 730 PM CDT

* AT 700 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE     
  OF PRODUCING A TORNADO 2 MILES SOUTHEAST OF KATY...MOVING          
  NORTHWEST AT 5 MPH.

* LOCATIONS IN THE PATH OF THE TORNADO INCLUDE...
  KATY

MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON YOUR CAR
OR MOBILE HOME FOR A STRONG SHELTER NOW

PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE...
OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 2968 9579 2973 9571 2996 9581 2993 9588

$$

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 12:27 AM CDTSevere Thunderstorm WarningHGXWalker48 min
Jun 4, 1:12 AM CDTSevere Thunderstorm WarningHGXWalker48 min
Jun 4, 2:03 AM CDTSevere Thunderstorm WarningHGXGrimes42 min
Jun 4, 3:42 AM CDTSevere Thunderstorm WarningHGXBrazos33 min
Jun 4, 6:09 AM CDTSpecial Marine WarningHGX96 min

Nearby

Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes 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.