Alert archive / Texas / Special Weather Statements in 2007

Special Weather Statement, NWS Fort Worth, TX

July 13, 2007Henderson County, Texas

NWS Fort Worth, TX issued this special weather statement at Jul 13, 2007, 2:25 PM CDT for Henderson County, Texas. It was in force for 35 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
Jul 13, 2007, 2:25 PM CDT (19:25 UTC)
Expired
Jul 13, 2007, 3:00 PM CDT
In force
35 min
Issued by
NWS Fort Worth, TX

County Henderson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 118 km from the middle of the area, began a volume at 19:25 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 12:00Z, 7.4 hours before the alert went out and 222 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, Shreveport, LA at 12:00Z on 2007-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2568 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, Shreveport, LA at 12:00Z on 2007-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
2568 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
827 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Fort Worth, TX wrote its last area forecast discussion before this special weather statement went out at Jul 13, 12:38 PM CDT, 1 hour 47 minutes earlier.

Area forecast discussion, Jul 13, 12:38 PM CDT, 1 hour 47 minutes before
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Hazardous weather outlook, Jul 13, 12:30 PM CDT, 1 hour 55 minutes before
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In the hours before

Special weather statement, Jul 13, 2:25 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
225 PM CDT FRI JUL 13 2007

TXZ135-132000-
HENDERSON TX-
225 PM CDT FRI JUL 13 2007

...SIGNIFICANT WEATHER ADVISORY FOR...
  WESTERN HENDERSON COUNTY

AT 223 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM NEAR TOOL....MOVING SOUTHEAST AT 15 MPH.  THIS
STORM WILL MOVE ACROSS CEDAR CREEK RESERVOIR BY 240 PM. BOATERS
SHOULD HEAD FOR SHORE AND SEEK SHELTER.

CITIES IN THE PATH OF THIS STORM INCLUDE CANEY CITY...ENCHANTED
OAKS...EUSTACE...GUN BARREL CITY...MALAKOFF...SEVEN POINTS AND TOOL.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM.

LAT...LON 3234 9624 3224 9624 3212 9592 3231 9586

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 3:23 PM CDTSpecial Weather StatementFWDHenderson37 min
Jul 13, 5:03 PM CDTSpecial Weather StatementFWDFreestone27 min
Jul 13, 6:03 PM CDTSevere Thunderstorm WarningFWDLimestone27 min
Jul 13, 6:35 PM CDTSpecial Weather StatementFWDLimestone25 min
Jul 13, 6:59 PM CDTSpecial Weather StatementFWDMcLennan31 min

Nearby

Special Weather Statements in Texas, 2007Every special weather statement in 2007

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.