Alert archive / Texas / Special Weather Statements in 2018

Special Weather Statement, NWS Fort Worth, TX

November 12, 2018Freestone County, Texas

NWS Fort Worth, TX issued this special weather statement at Nov 12, 2018, 1:08 AM CST for Freestone County, Texas. It was in force for 37 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
Nov 12, 2018, 1:08 AM CST (07:08 UTC)
Expired
Nov 12, 2018, 1:45 AM CST
In force
37 min
Issued by
NWS Fort Worth, TX

County Freestone County, TX

The radar

The Ft Hood radar (KGRK), 126 km from the middle of the area, began a volume at 07:10 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

Fort Worth, TX (KFWD), launched 00:00Z, 7.1 hours before the alert went out and 189 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 00:00Z on 2018-11-12Temperature 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 00:00Z on 2018-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 square meters per square second.1939587897117Sfc1 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
987 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

642 
WWUS84 KFWD 120708
SPSFWD

Special Weather Statement
National Weather Service Fort Worth TX
108 AM CST MON NOV 12 2018
 
TXZ147-161-162-175-120745-
Robertson TX-Limestone TX-Leon TX-Freestone TX-
108 AM CST MON NOV 12 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ROBERTSON...SOUTHERN
FREESTONE...NORTHWESTERN LEON AND SOUTHEASTERN LIMESTONE COUNTIES
UNTIL 145 AM CST...

At 108 AM CST, Doppler radar was tracking a strong thunderstorm 14
miles northeast of Bremond, or 18 miles south of Groesbeck, moving
northeast at 65 mph.

Nickel size hail will be possible with this storm.

Locations impacted include...
Teague, Fairfield, Buffalo, Jewett and Marquez. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm. Seek
a safe shelter inside a building or vehicle.

This storm may intensify, so closely monitor for additional
information or possible warnings from the National Weather Service.

&&

LAT...LON 3113 9642 3124 9659 3177 9619 3153 9586
TIME...MOT...LOC 0708Z 216DEG 54KT 3126 9645 

$$

05

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 7:51 PM CSTRiver Flood WarningFWDHunt, Rockwall36 hr
Nov 11, 8:11 PM CSTRiver Flood WarningFWDDallas42 hr
Nov 11, 9:15 PM CSTSpecial Weather StatementFWDBell45 min
Nov 11, 9:44 PM CSTSevere Thunderstorm WarningFWDMcLennan38 min
Nov 11, 10:15 PM CSTSpecial Weather StatementFWDBell30 min
Nov 11, 10:24 PM CSTSpecial Weather StatementFWDNavarro36 min
Nov 11, 10:38 PM CSTSpecial Weather StatementFWDMcLennan37 min
Nov 11, 10:50 PM CSTSpecial Weather StatementFWDLimestone25 min
Nov 11, 11:08 PM CSTSpecial Weather StatementFWDLampasas37 min
Nov 12, 12:29 AM CSTSpecial Weather StatementFWDMcLennan31 min
Nov 12, 12:40 AM CSTSpecial Weather StatementFWDRobertson35 min
Nov 12, 1:12 AM CSTSevere Thunderstorm WarningFWDFreestone, Leon, Limestone48 min
Nov 12, 1:29 AM CSTAreal Flood AdvisoryFWDFreestone, Limestone, McLennan, Navarro4 hr
Nov 12, 1:44 AM CSTSevere Thunderstorm WarningFWDFreestone, Limestone28 min
Nov 12, 1:45 AM CSTSpecial Weather StatementFWDAnderson30 min
Nov 12, 8:34 AM CSTRiver Flood WarningFWDHunt25 hr
Nov 12, 9:22 AM CSTRiver Flood WarningFWDParker11 hr
Nov 12, 9:22 AM CSTRiver Flood WarningFWDLimestone49 hr
Nov 12, 2:36 PM CSTRiver Flood WarningFWDLeon, Robertson5 days

Nearby

Special Weather Statements in Texas, 2018Every special weather statement in 2018

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.