Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS San Angelo, TX

March 3, 2008McCulloch County, San Saba County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Mar 3, 2008, 2:54 AM CST for McCulloch County, San Saba County, Texas. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 3, 2008, 2:54 AM CST (08:54 UTC)
Expired: Mar 3, 2008, 3:30 AM CST
In force: 36 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon

Counties McCulloch County, TX, San Saba County, TX

The radar

The Dyess AFB radar (KDYX), 137 km from the middle of the area, began a volume at 08:56 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 2, 11:27 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 8.9 hours before the alert went out and 223 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1534 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 836 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 335 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 10.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KSJT 030855
SVRSJT
TXC307-411-030930-
/O.NEW.KSJT.SV.W.0021.080303T0854Z-080303T0930Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
254 AM CST MON MAR 3 2008

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN MCCULLOCH COUNTY IN WEST CENTRAL TEXAS...
  NORTHWESTERN SAN SABA COUNTY IN WEST CENTRAL TEXAS...

* UNTIL 330 AM CST

* AT 253 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES
  SOUTH OF ELM GROVE...OR ABOUT 10 MILES WEST OF RICHLAND            
  SPRINGS...AND MOVING RAPIDLY EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ELM GROVE BY 300 AM CST...
  SKEETERVILLE AND RICHLAND SPRINGS BY 305 AM CST...
  LOCKER BY 310 AM CST...
  SPRING CREEK BY 315 AM CST...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CST MONDAY
MORNING FOR WEST CENTRAL TEXAS.

LAT...LON 3130 9868 3122 9908 3139 9920 3146 9905
      3139 9879 3136 9873
TIME...MOT...LOC 0854Z 258DEG 40KT 3131 9910

$$

1 follow-up statement

000 
WWUS54 KSJT 030913
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
312 AM CST MON MAR 3 2008

TXC307-030922-
/O.CAN.KSJT.SV.W.0021.000000T0000Z-080303T0930Z/
MCCULLOCH TX-
312 AM CST MON MAR 3 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCCULLOCH COUNTY
IS CANCELLED...

THE STORM HAS MOVED EAST OUT OF MCCULLOCH COUNTY.

LAT...LON 3130 9868 3126 9893 3140 9892 3141 9888
      3139 9879 3136 9873 3132 9870
TIME...MOT...LOC 0912Z 258DEG 40KT 3135 9887

$$

TXC411-030930-
/O.CON.KSJT.SV.W.0021.000000T0000Z-080303T0930Z/
SAN SABA TX-
312 AM CST MON MAR 3 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CST
FOR NORTH CENTRAL SAN SABA COUNTY...

AT 310 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR LOCKER...OR ABOUT 6 MILES NORTHEAST OF RICHLAND
SPRINGS...MOVING EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF NORTHERN SAN SABA COUNTY.

LAT...LON 3130 9868 3126 9893 3140 9892 3141 9888
      3139 9879 3136 9873 3132 9870
TIME...MOT...LOC 0912Z 258DEG 40KT 3135 9887

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 8:15 PM CST	Wind Advisory	SJT	Brown, Callahan, Coke, Coleman, Concho, Crockett and 18 more	22 hr
Mar 2, 9:02 PM CST	Severe Thunderstorm Warning	SJT	Callahan, Jones, Shackelford, Taylor	43 min
Mar 2, 9:40 PM CST	Severe Thunderstorm Warning	SJT	Shackelford, Throckmorton	50 min
Mar 2, 10:05 PM CST	Severe Thunderstorm Warning	SJT	Shackelford	40 min
Mar 2, 11:21 PM CST	Severe Thunderstorm Warning	SJT	Coke, Nolan	54 min
Mar 2, 11:54 PM CST	Severe Thunderstorm Warning	SJT	Irion, Sterling, Tom Green	36 min
Mar 3, 1:11 AM CST	Severe Thunderstorm Warning	SJT	Runnels	44 min
Mar 3, 1:36 AM CST	Severe Thunderstorm Warning	SJT	Schleicher, Tom Green	39 min
Mar 3, 1:44 AM CST	Severe Thunderstorm Warning	SJT	Coleman, Runnels	61 min
Mar 3, 2:17 AM CST	Severe Thunderstorm Warning	SJT	Concho, McCulloch, Menard	28 min
Mar 3, 2:32 AM CST	Severe Thunderstorm Warning	SJT	Brown	28 min
Mar 3, 2:49 AM CST	Severe Thunderstorm Warning	SJT	McCulloch	26 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Every severe thunderstorm warning in 2008

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.