Alert archive / Texas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 117

March 26, 200025 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Mar 26, 2000, 4:30 AM CST for 25 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 26, 2000, 4:30 AM CST (10:30 UTC)
Expired
Mar 26, 2000, 10:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 25 counties

Angelina County, TX, Brazoria County, TX, Chambers County, TX, Fort Bend County, TX, Galveston County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Houston County, TX, Jasper County, TX, Jefferson County, TX, Leon County, TX, Liberty County, TX, Madison County, TX, Montgomery County, TX, Newton County, TX, Orange County, TX, Polk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Trinity County, TX, Tyler County, TX, Walker County, TX, Waller County, TX

The radar

The Houston radar (KHGX), 116 km from the middle of the area, began a volume at 10:34 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

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

IssuedProductOfficeCountiesLasted
Mar 26, 4:33 AM CSTSevere Thunderstorm WarningHGXMadison57 min
Mar 26, 5:04 AM CSTSevere Thunderstorm WarningHGXWalker56 min
Mar 26, 5:12 AM CSTSevere Thunderstorm WarningHGXTrinity48 min
Mar 26, 5:30 AM CSTSevere Thunderstorm WarningHGXSan Jacinto60 min
Mar 26, 5:55 AM CSTSevere Thunderstorm WarningLCHHardin, Jasper, Tyler65 min
Mar 26, 6:04 AM CSTSevere Thunderstorm WarningHGXPolk41 min
Mar 26, 6:10 AM CSTSevere Thunderstorm WarningHGXLiberty65 min
Mar 26, 7:15 AM CSTSevere Thunderstorm WarningHGXChambers, Liberty45 min

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 10.5 hours before the alert went out and 145 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 2000-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2000-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
18 J/kg
Mixed-layer CIN
-230 J/kg
Mixed-layer LCL
1028 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Mar 25, 11:45 PM CSTSevere Thunderstorm WatchSPCAnderson, Angelina, Bosque, Cherokee, Comanche, Dallas and 26 more5 hr
Mar 26, 5:15 PM CSTTornado WatchSPCAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 21 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.