Alert archive / Texas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 229

May 2, 200018 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 2, 2000, 2:00 AM CDT for 18 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 2, 2000, 2:00 AM CDT (07:00 UTC)
Expired
May 2, 2000, 7:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Brazoria County, TX, Chambers County, TX, Fort Bend County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Jasper County, TX, Jefferson County, TX, Liberty County, TX, Montgomery County, TX, Newton County, TX, Orange County, TX, Polk County, TX, Sabine County, TX, San Jacinto County, TX, Tyler County, TX, Walker County, TX, Waller County, TX

The radar

The Houston radar (KHGX), 83 km from the middle of the area, began a volume at 07:03 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.

Warnings issued inside it

14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 2, 2:03 AM CDTTornado WarningHGXHarris, Waller42 min
May 2, 2:27 AM CDTTornado WarningHGXAustin, Fort Bend, Waller33 min
May 2, 2:36 AM CDTTornado WarningHGXHarris39 min
May 2, 2:44 AM CDTSevere Thunderstorm WarningHGXLiberty, San Jacinto46 min
May 2, 3:06 AM CDTSevere Thunderstorm WarningHGXBrazoria, Fort Bend54 min
May 2, 3:14 AM CDTTornado WarningHGXHarris, Liberty46 min
May 2, 3:25 AM CDTTornado WarningHGXBrazoria, Galveston65 min
May 2, 3:53 AM CDTTornado WarningHGXLiberty52 min
May 2, 4:07 AM CDTSevere Thunderstorm WarningLCHHardin68 min
May 2, 4:14 AM CDTSevere Thunderstorm WarningHGXBrazoria, Matagorda46 min
May 2, 5:00 AM CDTSevere Thunderstorm WarningSHVSabine60 min
May 2, 5:22 AM CDTSevere Thunderstorm WarningLCHHardin, Tyler23 min
May 2, 5:37 AM CDTSevere Thunderstorm WarningLCHJefferson38 min
May 2, 6:20 AM CDTSevere Thunderstorm WarningLCHJefferson55 min

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.0 hours before the alert went out and 192 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 2000-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 813 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 2000-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
813 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
1335 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-2.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 1:30 AM CDTSevere Thunderstorm WatchSPCAransas, Austin, Bee, Brazoria, Calhoun, Colorado and 17 more6 hr
May 2, 12:15 PM CDTSevere Thunderstorm WatchSPCBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 1 more6 hr

Nearby

Severe Thunderstorm Watches in Texas, 2000Every severe thunderstorm watch in 2000

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.