Alert archive / Texas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 134, NWS Houston/Galveston, TX

June 14, 2004Brazoria County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jun 14, 2004, 3:14 PM CDT for Brazoria County, Texas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 14, 2004, 3:14 PM CDT (20:14 UTC)
Expired
Jun 14, 2004, 4:00 PM CDT
In force
46 min
Issued by
NWS Houston/Galveston, TX
Area
Counties, with a storm outline in the text

County Brazoria County, TX

The radar

The Houston radar (KHGX), 48 km from the middle of the area, began a volume at 20:14 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

Corpus Christi, TX (KCRP), launched 12:00Z, 8.2 hours before the alert went out and 246 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, Corpus Christi, TX at 12:00Z on 2004-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2377 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, Corpus Christi, TX at 12:00Z on 2004-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
2377 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 14, 3:11 PM CDT, 3 minutes earlier.

Area forecast discussion, Jun 14, 3:11 PM CDT, 3 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
311 PM CDT MON JUN 14 2004

.DISCUSSION...
WATER VAPOR SATELLITE LOOP SHOWS A VERY IMPRESSIVE MID/UPPER LEVEL
LOW MOVING SOUTHWARD ALONG THE MIDDLE TEXAS COAST. SHOWERS AND
THUNDERSTORMS HAVE BEGUN TO DEVELOP WITHIN THE PAST HOUR ALONG THE
EASTERN EDGE OF THE LOW...MAINLY WEST OF I-45. EXPECT CONVECTION TO
CONTINUE TO DEVELOP ACROSS SOUTHEAST TEXAS DURING THE REMAINING
AFTERNOON HOURS AND ON INTO THIS EVENING. SLOW STORM MOTION...DEEP
MOISTURE LEVELS AND HIGH INSTABILITIES MAY LEAD TOWARD SOME ISOLATED
SEVERE THUNDERSTORMS AND LOCALLY HEAVY RAINFALL. FUTURE LOCATION AND
MOVEMENT OF THE LOW WILL DICTATE WHICH PORTIONS OF SOUTHEAST TEXAS
WILL RECEIVE LOCALLY HEAVY RAINFALL OVER THE NEXT SEVERAL DAYS.
MODELS MOVE THIS LOW BACK TO THE NORTH ON TUESDAY AND WEDNESDAY
TOWARD NORTH TEXAS AND ELONGATE IT. IF THE LOW ENDS UP TO OUR
WEST...WE COULD SEE SOME VERY HEAVY RAINFALL AS THE BEST INFLOW OFF
THE GULF TAPS SOME OF THE DEEP TROPICAL MOISTURE ASSOCIATED WITH THE
GULF TROPICAL DISTURBANCE THAT IS NOW SURGING INTO THE CENTRAL AND
EASTERN GULF COAST STATES. WILL MAKE VERY FEW CHANGES TO THE HIGH
POPS ALREADY IN THE FORECAST. WILL GO AHEAD AND MENTION LOCALLY
HEAVY RAINFALL POSSIBLE AREAWIDE FOR TUESDAY...TUESDAY NIGHT AND
WEDNESDAY. WOULD NOT BE SURPRISED TO SEE WIDESPREAD 2 TO 4 INCHES OF
RAIN WITH ISOLATED 5 TO 10 INCH TOTALS THROUGH WEDNESDAY NIGHT.
AGAIN...EXACT LOCATION AND MOVEMENT OF THE LOW WILL DICTATE WHERE
THE HEAVIEST RAINS WILL FALL. WILL CONTINUE THE TREND OF LOWER POPS
FRIDAY AND INTO THE WEEKEND AS RIDGING BUILDS ACROSS THE STATE.
42/43
&&

.HGX WATCHES/WARNINGS/ADVISORIES...NONE.
&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL) 73 88 74 88 75 / 30 60 40 60 30
HOUSTON(IAH)          74 87 75 87 75 / 30 60 40 60 30
GALVESTON (GLS)       79 86 79 86 79 / 40 70 40 60 30
&&
Hazardous weather outlook, Jun 14, 7:00 AM CDT, 8 hours 14 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 2:42 PM CDTSevere Thunderstorm WarningHGXFort Bend33 min
Jun 14, 4:48 PM CDTSevere Thunderstorm WarningHGXMatagorda27 min
Jun 14, 5:07 PM CDTSevere Thunderstorm WarningHGXJackson38 min
Jun 14, 5:08 PM CDTSpecial Marine WarningHGX67 min
Jun 14, 6:01 PM CDTSevere Thunderstorm WarningHGXBrazoria, Matagorda44 min
Jun 14, 6:27 PM CDTFlash Flood WarningHGXJackson2 hr
Jun 14, 6:31 PM CDTSevere Thunderstorm WarningHGXJackson59 min

Nearby

Severe Thunderstorm Warnings in Texas, 2004Every severe thunderstorm warning in 2004

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.