Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 21, NWS Fort Worth, TX

March 18, 2006Henderson County, Navarro County, Van Zandt County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 18, 2006, 12:56 PM CST for Henderson County, Navarro County, Van Zandt County, Texas. It was in force for 64 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 18, 2006, 12:56 PM CST (18:56 UTC)
Expired
Mar 18, 2006, 2:00 PM CST
In force
64 min
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

Counties Henderson County, TX, Navarro County, TX, Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 114 km from the middle of the area, began a volume at 18:57 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.

IssuedProductOfficeLasted
Mar 18, 11:04 AM CSTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 6.9 hours before the alert went out and 124 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 2006-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2006-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.1939587897Sfc1 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
845 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
323 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KFWD 181858
SVRFWD
TXC213-349-467-182000-
/O.NEW.KFWD.SV.W.0021.060318T1856Z-060318T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1256 PM CST SAT MAR 18 2006

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN NAVARRO COUNTY IN NORTH CENTRAL TEXAS
  NORTHERN HENDERSON COUNTY IN NORTHEAST TEXAS
  SOUTHERN VAN ZANDT COUNTY IN NORTHEAST TEXAS

* UNTIL 200 PM CST

* AT 1256 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM 7 MILES NORTH OF CORSICANA...MOVING EAST AT 45 
  MPH. THIS STORM HAS A HISTORY OF PRODUCING GOLFBALL SIZE HAIL.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SEVEN POINTS BY 110 PM
  TOOL BY 115 PM
  ENCHANTED OAKS AND GUN BARREL CITY BY 120 PM
  EUSTACE AND 6 MILES NORTH OF CANEY CITY BY 125 PM
  PURTIS CREEK STATE PARK BY 130 PM
  EDOM BY 155 PM

THIS STORM HAS A HISTORY OF PRODUCING LARGE DAMAGING HAIL. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

LAT...LON 3226 9656 3208 9650 3228 9546 3257 9561

$$

13
3 follow-up statements
000 
WWUS54 KFWD 181924
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
124 PM CST SAT MAR 18 2006

TXC349-181934-
/O.CAN.KFWD.SV.W.0021.000000T0000Z-060318T2000Z/
NAVARRO TX-
124 PM CST SAT MAR 18 2006

...THE SEVERE THUNDERSTORM WARNING FOR NAVARRO COUNTY HAS BEEN
CANCELLED...

THE SEVERE THUNDERSTORM HAS MOVED EAST AND OUT OF THE COUNTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CST
SATURDAY EVENING FOR NORTHEASTERN TEXAS.

LAT...LON 3230 9616 3208 9611 3211 9548 3247 9556

$$

TXC213-467-182000-
/O.CON.KFWD.SV.W.0021.000000T0000Z-060318T2000Z/
VAN ZANDT TX-HENDERSON TX-
124 PM CST SAT MAR 18 2006

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 200 PM CST FOR
HENDERSON AND SOUTHEASTERN VAN ZANDT COUNTIES...

AT 124 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 9 MILES WEST OF ATHENS...MOVING EAST AT 50 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  ATHENS BY 130 PM
  MURCHISON BY 140 PM
  BROWNSBORO...MOORE STATION AND 9 MILES SOUTH OF EDOM BY 150 PM
  9 MILES NORTH OF COFFEE CITY BY 200 PM

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. STAY AWAY FROM
WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN
EMERGENCY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM SATURDAY
EVENING FOR NORTHEASTERN TEXAS.

LAT...LON 3230 9616 3208 9611 3211 9548 3247 9556

$$

07/BB
000 
WWUS54 KFWD 181949
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
148 PM CST SAT MAR 18 2006

TXC467-181958-
/O.CAN.KFWD.SV.W.0021.000000T0000Z-060318T2000Z/
VAN ZANDT TX-
148 PM CST SAT MAR 18 2006

...THE SEVERE THUNDERSTORM WARNING FOR VAN ZANDT COUNTY HAS BEEN
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CST
SATURDAY EVENING FOR NORTHEASTERN TEXAS.

LAT...LON 3226 9576 3204 9580 3209 9545 3235 9547

$$

TXC213-182000-
/O.CON.KFWD.SV.W.0021.000000T0000Z-060318T2000Z/
HENDERSON TX-
148 PM CST SAT MAR 18 2006

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 200 PM CST FOR
EASTERN HENDERSON COUNTY...

AT 132 PM CST...THE PUBLIC REPORTED PENNY SIZE HAIL IN PAYNE SPRINGS 
AND TRINIDAD. THIS STORM WAS LOCATED 7 MILES SOUTHEAST OF ATHENS... 
MOVING EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MOORE STATION...POYNOR...6 MILES WEST OF COFFEE CITY AND 8 MILES
  NORTHWEST OF BERRYVILLE BY 200 PM

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM SATURDAY
EVENING FOR NORTHEASTERN TEXAS.

LAT...LON 3226 9576 3204 9580 3209 9545 3235 9547

$$
000 
WWUS54 KFWD 182001
SVSFWD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
200 PM CST SAT MAR 18 2006

TXC213-182010-
/O.EXP.KFWD.SV.W.0021.000000T0000Z-060318T2000Z/
HENDERSON TX-
200 PM CST SAT MAR 18 2006

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HENDERSON COUNTY HAS
BEEN ALLOWED TO EXPIRE...

AT 200 PM CST THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING MOVED
OUT OF THE AREA AND THE WARNING EXPIRED.

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE
STILL POSSIBLE FROM THE THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CST
SATURDAY EVENING FOR NORTHEASTERN TEXAS.

LAT...LON 3226 9576 3204 9580 3209 9545 3235 9547

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 9:43 PM CSTSevere Thunderstorm WarningFWDEllis20 min
Mar 18, 10:31 AM CSTSevere Thunderstorm WarningFWDErath37 min
Mar 18, 11:01 AM CSTSevere Thunderstorm WarningFWDBosque44 min
Mar 18, 11:34 AM CSTSevere Thunderstorm WarningFWDHill48 min
Mar 18, 12:03 PM CSTSevere Thunderstorm WarningFWDEllis, Navarro57 min
Mar 18, 12:04 PM CSTSevere Thunderstorm WarningFWDEllis, Navarro56 min

Nearby

Severe Thunderstorm Warnings in Texas, 2006Every 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.