Alert archive / Texas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 252, NWS San Angelo, TX

July 4, 20054 counties in Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jul 4, 2005, 8:13 PM CDT for 4 counties in Texas. It was in force for 47 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 4, 2005, 8:13 PM CDT (01:13 UTC)
Expired: Jul 4, 2005, 9:00 PM CDT
In force: 47 min
Issued by: NWS San Angelo, TX
Area: Counties, with a storm outline in the text

Counties Coke County, TX, Irion County, TX, Sterling County, TX, Tom Green County, TX

The radar

The San Angelo radar (KSJT), 40 km from the middle of the area, began a volume at 01:15 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.

What was reported inside it

Time	Report	Where	Remark
Jul 4, 8:17 PM CDT	TSTM WND GST 70	Water Valley, TX
Jul 4, 9:03 PM CDT	TSTM WND GST 60	San Angelo, TX

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 4, 7:25 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 1.2 hours before the alert went out and 134 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: 1385 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 3207 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KSJT 050117
SVRSJT
TXC081-235-431-451-050200-
/O.NEW.KSJT.SV.W.0252.050705T0113Z-050705T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
813 PM CDT MON JUL 4 2005

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN STERLING COUNTY IN WEST CENTRAL TEXAS
  EXTREME SOUTHWESTERN COKE COUNTY IN WEST CENTRAL TEXAS
  TOM GREEN COUNTY IN WEST CENTRAL TEXAS
  IRION COUNTY IN WEST CENTRAL TEXAS

* UNTIL 900 PM CDT

* AT 811 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED 13
  MILES WEST OF WATER VALLEY...OR ABOUT 16 MILES SOUTH OF STERLING   
  CITY...AND MOVING SOUTHEAST AT 15 MPH. ALSO...STRONG THUNDERSTORM  
  OUTFLOW WINDS IN EXCESS OF 70 MPH WILL MOVE ACROSS SAN ANGELO AND  
  MERTZON BY 830 PM CDT. PERSONS IN SAN ANGELO SHOULD MOVE TO PLACE  
  OF SAFTEY NOW   

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ARDEN BY 900 PM CDT

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 3175 10127 3120 10129 3123 10026 3170 10030

$$

1 follow-up statement

000 
WWUS54 KSJT 050139
SVSSJT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
836 PM CDT MON JUL 4 2005

TXC081-235-431-451-050200-
/O.CON.KSJT.SV.W.0252.000000T0000Z-050705T0200Z/
STERLING TX-COKE TX-TOM GREEN TX-IRION TX-
836 PM CDT MON JUL 4 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 900 PM CDT FOR
IRION...TOM GREEN...EXTREME SOUTHWESTERN COKE AND SOUTHERN STERLING
COUNTIES...

AT 832 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY
SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS 
WERE LOCATED ALONG A LINE FROM 14 MILES SOUTH OF ROBERT LEE TO 14 
MILES NORTH OF MERTZON TO 17 MILES NORTHWEST OF MERTZON TO 23 MILES 
NORTHEAST OF BIG LAKE...MOVING SOUTHEAST AT 20 MPH. 
ALSO...THUNDERSTORM OUTFLOW WINDS IN EXCESS OF 70 MPH IS EXPECTED 
ACROSS SAN ANGELO THROUGH 900 PM CDT. PERSONS IN SAN ANGELO SHOULD 
TAKE COVER NOW  

LAT...LON 3175 10127 3120 10129 3123 10026 3170 10030

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 7:22 PM CDT	Severe Thunderstorm Warning	SJT	Coke	38 min
Jul 4, 7:29 PM CDT	Severe Thunderstorm Warning	SJT	Sterling	46 min
Jul 4, 8:00 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan	45 min
Jul 4, 8:44 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	31 min
Jul 4, 8:57 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Irion, Runnels, Tom Green	48 min
Jul 5, 2:20 PM CDT	Severe Thunderstorm Warning	SJT	Mason	40 min

Nearby

Severe Thunderstorm Warnings in Texas, 2005 Every severe thunderstorm warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.