Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 121, NWS San Angelo, TX

June 1, 2001Menard County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 1, 2001, 2:17 PM CDT for Menard County, Texas. It was in force for 58 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 1, 2001, 2:17 PM CDT (19:17 UTC)
Expired
Jun 1, 2001, 3:15 PM CDT
In force
58 min
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Menard County, TX

The radar

The San Angelo radar (KSJT), 83 km from the middle of the area, began a volume at 19:20 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

Midland Regional, TX (KMAF), launched 12:00Z, 7.3 hours before the alert went out and 255 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, Midland Regional, TX at 12:00Z on 2001-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 777 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, Midland Regional, TX at 12:00Z on 2001-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 229 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
777 J/kg
Mixed-layer CIN
-314 J/kg
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
229 m²/s²
0-3 km storm-relative helicity
342 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

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.

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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 1, 11:10 AM CDT, 3 hours 7 minutes earlier.

Area forecast discussion, Jun 1, 11:10 AM CDT, 3 hours 7 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE SAN ANGELO TX
1110 AM CDT FRI JUN 1 2001

MCS SUSTAINING ITSELF NICELY. MID LEVEL SHORTWAVE DEPICTED BY 12Z
MESOSCALE MODELS PROVIDING UPPER SUPPORT. INSTABILITY IMPRESSIVE AS
WELL...PER GOES CAPES. NEW STORMS DEVELOPING ALONG OUTFLOW PER VISIBLE
IMAGERY. HAVE INCREASED POPS ACROSS THE BOARD IN LIGHT OF ONGOING MCS.
ALSO DROPPED TEMPERATURES WILL CONSIDERABLE CONVECTIVE DEBRI.

17

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 12:40 PM CDTSevere Thunderstorm WarningSJTTom Green50 min
Jun 1, 1:07 PM CDTSevere Thunderstorm WarningSJTConcho, McCulloch53 min
Jun 1, 1:18 PM CDTSevere Thunderstorm WarningSJTTom Green57 min
Jun 1, 1:51 PM CDTSevere Thunderstorm WarningSJTConcho69 min
Jun 1, 2:36 PM CDTSevere Thunderstorm WarningSJTColeman, McCulloch54 min
Jun 1, 2:58 PM CDTFlash Flood WarningSJTMcCulloch3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001

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.