Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 69, NWS Austin/San Antonio, TX

March 28, 2000Hall County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 28, 2000, 7:06 PM CST for Hall County, Texas. It was in force for 24 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
Mar 28, 2000, 7:06 PM CST (01:06 UTC)
Expired
Mar 28, 2000, 7:30 PM CST
In force
24 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Hall County, TX

The radar

The Amarillo radar (KAMA), 122 km from the middle of the area, began a volume at 01:08 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.1 hours before the alert went out and 121 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, Amarillo Airport, TX at 00:00Z on 2000-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2000-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 square meters per square second.1939587897Sfc1 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
11 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
1906 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
262 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.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 28, 6:16 PM CSTTornado WarningEWXBlanco59 min
Mar 28, 6:38 PM CSTTornado WarningEWXHays52 min
Mar 28, 6:41 PM CSTSevere Thunderstorm WarningEWXBexar64 min
Mar 28, 6:50 PM CSTSevere Thunderstorm WarningEWXMedina40 min
Mar 28, 6:53 PM CSTTornado WarningEWXBexar67 min
Mar 28, 7:33 PM CSTTornado WarningEWXCaldwell, Hays42 min
Mar 28, 7:54 PM CSTTornado WarningEWXBexar, Wilson51 min
Mar 29, 2:34 AM CSTSevere Thunderstorm WarningEWXBurnet, Llano56 min
Mar 29, 3:26 AM CSTSevere Thunderstorm WarningEWXLlano64 min
Mar 29, 4:00 AM CSTSevere Thunderstorm WarningEWXBurnet60 min
Mar 29, 6:03 AM CSTSevere Thunderstorm WarningEWXHays27 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning 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.