Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS Fort Worth, TX

August 6, 2017Bell County, Texas

NWS Fort Worth, TX issued this special weather statement at Aug 6, 2017, 11:35 PM CDT for Bell County, Texas. It was in force for 55 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 6, 2017, 11:35 PM CDT (04:35 UTC)
Expired
Aug 7, 2017, 12:30 AM CDT
In force
55 min
Issued by
NWS Fort Worth, TX

County Bell County, TX

The radar

The Ft Hood radar (KGRK), 39 km from the middle of the area, began a volume at 04:37 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, 4.6 hours before the alert went out and 202 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 2017-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2574 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2017-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
2574 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1772 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Aug 6, 10:29 PM CDT, 1 hour 6 minutes earlier.

Area forecast discussion, Aug 6, 10:29 PM CDT, 1 hour 6 minutes before
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Hazardous weather outlook, Aug 6, 11:09 PM CDT, 26 minutes before
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In the hours before

Local storm report, Aug 6, 8:15 PM CDT, 3 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
815 PM CDT SUN AUG 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0807 PM     TSTM WND DMG     1 SSW CLEBURNE          32.34N  97.41W
08/06/2017                   JOHNSON            TX   PUBLIC

            1-INCH TREE LIMBS BROKEN. SHINGLES BLOWN OFF ROOF.
Special weather statement, Aug 6, 8:17 PM CDT, 3 hours 18 minutes before
Special Weather Statement
National Weather Service Fort Worth TX
817 PM CDT SUN AUG 6 2017

TXZ118-129>133-141-143>145-070215-
Bosque TX-Hood TX-Comanche TX-Erath TX-Tarrant TX-Eastland TX-
Hamilton TX-Hill TX-Johnson TX-Somervell TX-
817 PM CDT SUN AUG 6 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOMERVELL...NORTH CENTRAL
HAMILTON...ERATH...JOHNSON...EASTERN EASTLAND...NORTHWESTERN
BOSQUE...SOUTHWESTERN TARRANT...NORTHWESTERN HILL...HOOD AND CENTRAL
COMANCHE COUNTIES UNTIL 915 PM CDT...

At 816 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near De Leon to near Stephenville to near Pecan
Plantation to near Benbrook. Movement was southeast at 25 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Fort Worth, Mansfield, Burleson, Cleburne, Benbrook, Stephenville,
Crowley, Granbury, Everman, Keene, Joshua, Comanche, Alvarado,
Dublin, Ranger, Rendon, Pecan Plantation, Venus, Edgecliff Village
and Glen Rose.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3251 9807 3256 9807 3255 9756 3273 9755
      3255 9709 3225 9708 3201 9749 3191 9800
      3191 9871 3252 9873
TIME...MOT...LOC 0116Z 329DEG 21KT 3219 9854 3218 9819 3241 9762 3263
9750

Carlaw
Local storm report, Aug 6, 8:20 PM CDT, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
820 PM CDT SUN AUG 06 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0812 PM     TSTM WND DMG     GODLEY                  32.45N  97.53W
08/06/2017                   JOHNSON            TX   EMERGENCY MNGR

            SEVERAL POWER POLES DOWN IN GODLEY.
Special weather statement, Aug 6, 9:22 PM CDT, 2 hours 13 minutes before
Special Weather Statement
National Weather Service Fort Worth TX
922 PM CDT SUN AUG 6 2017

TXZ130-132-141>144-156-157-070315-
Mills TX-Bosque TX-Comanche TX-Erath TX-Coryell TX-Lampasas TX-
Hamilton TX-Somervell TX-
922 PM CDT SUN AUG 6 2017

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL SOMERVELL...HAMILTON...
SOUTHEASTERN ERATH...NORTHWESTERN CORYELL...NORTHWESTERN LAMPASAS...
BOSQUE...EASTERN MILLS AND SOUTHEASTERN COMANCHE COUNTIES UNTIL 1015
PM CDT...

At 922 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 9 miles south of Gustine to 6 miles north of
Meridian State Park. Movement was southeast at 30 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations impacted include...
Clifton, Hamilton, Glen Rose, Goldthwaite, Meridian, Hico, Valley
Mills, Gustine, Evant, Iredell, Cranfills Gap, Meridian State Park,
Lometa, Walnut Springs, Morgan and Us-190 Near The San Saba-
Lampasas County Line.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3182 9860 3229 9762 3218 9760 3210 9747
      3202 9749 3203 9743 3198 9738 3193 9744
      3184 9728 3179 9733 3175 9728 3114 9853
      3117 9851 3120 9857 3126 9858 3127 9863
      3132 9859 3131 9861 3131 9863
TIME...MOT...LOC 0222Z 328DEG 26KT 3171 9837 3198 9773

Carlaw
Special weather statement, Aug 6, 10:10 PM CDT, 1 hour 25 minutes before
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Special weather statement, Aug 6, 11:35 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 7:00 PM CDTSevere Thunderstorm WarningFWDTarrant30 min
Aug 6, 7:19 PM CDTSevere Thunderstorm WarningFWDHood, Johnson, Parker, Somervell, Tarrant56 min
Aug 6, 7:25 PM CDTSpecial Weather StatementFWDEastland, Erath65 min
Aug 6, 7:42 PM CDTAreal Flood AdvisoryFWDParker3 hr
Aug 6, 8:17 PM CDTSpecial Weather StatementFWDComanche, Erath, Hood, Johnson, Somervell58 min
Aug 6, 8:29 PM CDTAreal Flood AdvisoryFWDEastland, Erath, Hood, Palo Pinto3 hr
Aug 6, 9:18 PM CDTAreal Flood AdvisoryFWDBosque, Comanche, Erath, Hamilton, Somervell3 hr
Aug 6, 9:22 PM CDTSpecial Weather StatementFWDBosque, Hamilton, Mills, Somervell53 min
Aug 6, 9:52 PM CDTFlash Flood WarningFWDBosque, Somervell3 hr
Aug 6, 9:58 PM CDTAreal Flood AdvisoryFWDBosque, Hamilton3 hr
Aug 6, 10:10 PM CDTSpecial Weather StatementFWDBosque, Coryell, Hamilton, Hill, Lampasas, McLennan65 min
Aug 6, 10:54 PM CDTAreal Flood AdvisoryFWDCoryell, Lampasas, Mills3 hr
Aug 6, 11:28 PM CDTAreal Flood AdvisoryFWDCooke, Grayson, Montague3 hr
Aug 7, 12:14 AM CDTSpecial Weather StatementFWDMilam, Robertson31 min
Aug 7, 12:44 AM CDTAreal Flood AdvisoryFWDBell, Falls, Milam2 hr
Aug 7, 12:52 AM CDTAreal Flood AdvisoryFWDFannin, Grayson3 hr
Aug 7, 2:23 AM CDTAreal Flood AdvisoryFWDLamar3 hr

Nearby

Special Weather Statements in Texas, 2017Every special weather statement in 2017

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.