Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 310, NWS Fort Worth, TX

August 12, 2006Lamar County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Aug 12, 2006, 8:39 PM CDT for Lamar County, Texas. It was in force for 33 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: Aug 12, 2006, 8:39 PM CDT (01:39 UTC)
Expired: Aug 12, 2006, 9:12 PM CDT
In force: 33 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

County Lamar County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 198 km from the middle of the area, began a volume at 01:42 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

Shreveport, LA (KSHV), launched 00:00Z, 1.7 hours before the alert went out and 215 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: 2817 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1432 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 49 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 KFWD 130139
SVRFWD
TXC277-130245-
/O.NEW.KFWD.SV.W.0310.060813T0139Z-060813T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
839 PM CDT SAT AUG 12 2006

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL LAMAR COUNTY IN NORTHEAST TEXAS

* UNTIL 945 PM CDT

* AT 837 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM NEAR PARIS. THIS STORM WAS NEARLY STATIONARY.
  THIS STORM WAS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PARIS BY 945 PM

FOR YOUR PROTECTION MOVE TO A STURDY SHELTER UNTIL THIS STORM HAS
PASSED.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AND
STAY INSIDE...AWAY FROM WINDOWS UNTIL THIS STORM HAS PASSED.

LAT...LON 3371 9569 3353 9569 3351 9545 3373 9545

$$

65/DD

1 follow-up statement

000 
WWUS54 KFWD 130212
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
912 PM CDT SAT AUG 12 2006

TXC277-130222-
/O.CAN.KFWD.SV.W.0310.000000T0000Z-060813T0245Z/
LAMAR TX-
912 PM CDT SAT AUG 12 2006

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LAMAR COUNTY HAS BEEN
CANCELLED...

AT 912 PM CDT THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING
WEAKENED AND WAS NO LONGER SEVERE...THUS THE WARNING HAS BEEN
CANCELLED.

LAT...LON 3371 9569 3353 9569 3351 9545 3373 9545

$$

65/DD

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 12, 8:22 PM CDT	Special Weather Statement	FWD	Lamar	23 min
Aug 13, 3:46 PM CDT	Red Flag Warning	FWD	Comanche, Eastland, Erath, Hamilton, Hood, Jack and 8 more	27 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2006 Every severe thunderstorm warning in 2006

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.