Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 13, NWS San Angelo, TX

January 29, 1999Runnels County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jan 29, 1999, 9:33 AM CST for Runnels County, Texas. It was in force for 27 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
Jan 29, 1999, 9:33 AM CST (15:33 UTC)
Expired
Jan 29, 1999, 10:00 AM CST
In force
27 min
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Runnels County, TX

The radar

The San Angelo radar (KSJT), 71 km from the middle of the area, began a volume at 15:33 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

Fort Worth, TX (KFWD), launched 12:00Z, 3.6 hours before the alert went out and 276 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, Fort Worth, TX at 12:00Z on 1999-01-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 1999-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
444 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
449 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 28, 7:29 PM CSTSevere Thunderstorm WarningSJTBrown66 min
Jan 29, 2:12 AM CSTSevere Thunderstorm WarningSJTKimble, Menard48 min
Jan 29, 4:23 AM CSTSevere Thunderstorm WarningSJTMcCulloch47 min
Jan 29, 7:44 AM CSTSevere Thunderstorm WarningSJTTom Green46 min
Jan 29, 8:31 AM CSTSevere Thunderstorm WarningSJTKimble34 min
Jan 29, 8:37 AM CSTSevere Thunderstorm WarningSJTTom Green63 min
Jan 29, 8:43 AM CSTSevere Thunderstorm WarningSJTRunnels62 min
Jan 29, 8:48 AM CSTSevere Thunderstorm WarningSJTTaylor32 min
Jan 29, 8:57 AM CSTSevere Thunderstorm WarningSJTNolan33 min
Jan 29, 9:07 AM CSTSevere Thunderstorm WarningSJTMason33 min
Jan 29, 9:09 AM CSTSevere Thunderstorm WarningSJTMason36 min
Jan 29, 9:21 AM CSTSevere Thunderstorm WarningSJTJones24 min
Jan 29, 9:39 AM CSTSevere Thunderstorm WarningSJTTaylor36 min
Jan 29, 9:40 AM CSTSevere Thunderstorm WarningSJTMenard35 min
Jan 29, 10:06 AM CSTSevere Thunderstorm WarningSJTMcCulloch24 min
Jan 29, 10:12 AM CSTSevere Thunderstorm WarningSJTMenard33 min
Jan 29, 10:31 AM CSTSevere Thunderstorm WarningSJTBrown, Coleman, McCulloch59 min
Jan 29, 10:43 AM CSTSevere Thunderstorm WarningSJTTaylor62 min
Jan 29, 11:33 AM CSTSevere Thunderstorm WarningSJTBrown57 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning in 1999

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.