Alert archive / Texas / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 256, NWS Fort Worth, TX

July 14, 2005Coryell County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 14, 2005, 1:46 PM CDT for Coryell County, Texas. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 14, 2005, 1:46 PM CDT (18:46 UTC)
Expired
Jul 14, 2005, 2:35 PM CDT
In force
49 min
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

County Coryell County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 6.8 hours before the alert went out and 368 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, Del Rio, TX at 12:00Z on 2005-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2148 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, Del Rio, TX at 12:00Z on 2005-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.1939Sfc1 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
2148 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1019 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 14, 1:46 PM CDT, 0 minutes earlier.

Area forecast discussion, Jul 14, 1:46 PM CDT, 0 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FORT WORTH TX
146 PM CDT THU JUL 14 2005

.DISCUSSION...
PUTTING THIS OUT A BIT EARLY...BUT WANTED TO DISCUSS THIS
AFTERNOON AS WELL AS REST OF THE WEEK.

THIS AFTERNOON BEST INSTABILITY IS SOUTHERN THIRD OF CWA...WITH
WEAK VORT MAX APPROACHING FROM THE WEST. CONVECTION IN OKLAHOMA IS
PROBLEMATIC WITH BOUNDARIES LIKELY MOVING SOUTH THIS
AFTERNOON...SO NORTHERN PORTIONS ARE UNDER THE GUN FOR THUNDER
AS WELL. CU FIELD IS LOOKING A BIT CONGESTED FROM WICHITA FALLS TO
MOUNT PLEASANT AT THIS TIME.

MY TAKE...
TODAY AND TOMORROW WILL HAVE THUNDERSTORM POTENTIAL SIMILAR TO THE
LAST TWO DAYS. ON SATURDAY...IF MODELS ARE CORRECT...500MB TROF
STEEPENS ACROSS AREA AND FORMS A WEAK CUTOFF TO OUR SOUTHWEST.
GIVEN THE TROPICAL NATURE OF THIS AIRMASS...I/M EXPECTING THIS TO
BEHAVE JUST LIKE A TUTT LOW...WITH CONVECTION ON THE EAST THROUGH
NORTH SIDE IN THE LIFT ZONE AND SUBSIDENCE TO THE WEST. MOS OUTPUT GIVES
SATURDAY THE HIGHEST POPS OF THE WEEK AND I WOULD EXPECT SATURDAY
TO BE FAIRLY WET...WITH MORE AREAL COVERAGE THAN SO FAR THIS WEEK.

MAIN THREATS WILL APPEAR TO BE SOME MARGINALLY SEVERE HAIL...WET
MICROBURSTS...AND GIVEN SLOW NATURE OF CELL MOVEMENT SOME
LOCALIZED FLOODING. BY TOMORROW AFTERNOON WE WILL NEED TO EVALUATE
THE NEED FOR FLASH FLOOD WATCH ON SATURDAY IF THE HIGHER POPS
SCENARIO HOLDS IN FUTURE MODEL RUNS.

BY SUNDAY THE UPPER TROF SLIDES A BIT FARTHER WEST AND WEAK
RIDGING MOVES ACROSS NORTH TEXAS FROM THE EAST AS THE SUBTROPICAL
RIDGE EXTENDS FARTHER WEST. THIS MAY BE AN INDUCED RIDGE BETWEEN
THE ROCKIES LEE TROF AND THE TROPICAL LOW PRESSURE
ASSOCIATED WITH EMILY. AT ANY RATE...MODELS SEEM TO HOLD THIS
FEATURE IN PLACE THROUGH NEXT WEEK...WITH SEA BREEZE THUNDERSTORMS
POSSIBLE IN FAR SOUTHEASTERN ZONES. AS LONG AS EMILY/S TRACK
REMAINS TOWARDS MEXICO THIS RIDGE WILL LIKELY HOLD IN
PLACE...REINFORCED BY SUBSIDENCE FROM EMILY OUTFLOW ALOFT.  84

&&

.PRELIMINARY POINT TEMPS/POPS...
DALLAS-FT. WORTH, TX  76  96  75  93 /  30  30  30  50
WACO, TX              75  93  74  92 /  30  50  40  50
PARIS, TX             73  93  74  92 /  30  30  30  50
DENTON, TX            75  96  74  93 /  30  30  30  50
MCKINNEY, TX          75  96  76  93 /  30  30  30  50
DALLAS, TX            76  97  76  93 /  30  30  30  50
TERRELL, TX           75  93  76  92 /  30  40  30  50
CORSICANA, TX         74  93  75  92 /  30  50  40  60
TEMPLE, TX            75  93  74  92 /  30  50  40  60

&&

.FWD WATCHES/WARNINGS/ADVISORIES...
TX...NONE.

&&

/84
Hazardous weather outlook, Jul 14, 5:17 AM CDT, 8 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
517 AM CDT THU JUL 14 2005

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-142100-
ANDERSON-BELL-BOSQUE-COLLIN-COMANCHE-COOKE-CORYELL-DALLAS-DELTA-
DENTON-EASTLAND-ELLIS-ERATH-FALLS-FANNIN-FREESTONE-GRAYSON-HAMILTON-
HENDERSON-HILL-HOOD-HOPKINS-HUNT-JACK-JOHNSON-KAUFMAN-LAMAR-LAMPASAS-
LEON-LIMESTONE-MCLENNAN-MILAM-MILLS-MONTAGUE-NAVARRO-PALO PINTO-
PARKER-RAINS-ROBERTSON-ROCKWALL-SOMERVELL-STEPHENS-TARRANT-VAN ZANDT-
WISE-YOUNG-
517 AM CDT THU JUL 14 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...
THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS TODAY
AND THIS EVENING. THESE STORMS WILL BRING A THREAT OF
LIGHTNING...BRIEF...HEAVY RAINFALL...AND A FEW DAMAGING DOWNBURSTS OF
WIND.

.DAYS TWO THROUGH SEVEN...
AREA WIDE...THERE IS A CHANCE OF THUNDERSTORMS FRIDAY THROUGH SUNDAY.
ORGANIZED SEVERE WEATHER IS NOT EXPECTED. HOWEVER...
ISOLATED DOWNBURSTS OF DAMAGING WINDS ARE POSSIBLE.

THERE IS A CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS SOUTH OF A
TEMPLE...GROESBECK...PALESTINE LINE NEXT MONDAY THROUGH WEDNESDAY.
THUNDERSTORMS ARE POSSIBLE SOUTH OF A LAMPASAS...WACO...CORSICANA
...ATHENS LINE NEXT THURSDAY.

.SPOTTER INFORMATION STATEMENT...
LIMITED SPOTTER ACTIVATION IS POSSIBLE TODAY...MAINLY BECAUSE OF THE
DOWNBURST THREAT.

In the hours before

Local storm report, Jul 14, 9:58 AM CDT, 3 hours 48 minutes before
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Special weather statement, Jul 14, 1:28 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
128 PM CDT THU JUL 14 2005

TXZ160-161-141900-
FALLS-LIMESTONE-
128 PM CDT THU JUL 14 2005

...SIGNIFICANT WEATHER UPDATE...

AT 128 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
CLUSTER OF THUNDERSTORMS WITH GUSTY WINDS AND HEAVY RAINFALL 7 MILES
NORTH OF BREMOND...OR 15 MILES EAST OF MARLIN...MOVING EAST AT 15
MPH.

VERY HEAVY RAIN AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS
CLUSTER OF STORMS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 1:39 PM CDTSevere Thunderstorm WarningFWDFalls37 min
Jul 14, 1:55 PM CDTSevere Thunderstorm WarningFWDRobertson69 min
Jul 14, 2:41 PM CDTSevere Thunderstorm WarningFWDFalls71 min

Nearby

Severe Thunderstorm Warnings in Texas, 2005Every severe thunderstorm warning in 2005

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.