Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 20, NWS Fort Worth, TX

March 18, 2006Ellis County, Navarro County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 18, 2006, 12:03 PM CST for Ellis County, Navarro County, Texas. It was in force for 57 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
Mar 18, 2006, 12:03 PM CST (18:03 UTC)
Expired
Mar 18, 2006, 1:00 PM CST
In force
57 min
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

Counties Ellis County, TX, Navarro County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 76 km from the middle of the area, began a volume at 18:05 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

Shreveport, LA (KSHV), launched 12:00Z, 6.1 hours before the alert went out and 273 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 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2006-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
1172 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
736 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Mar 18, 11:25 AM CST, 38 minutes earlier.

Area forecast discussion, Mar 18, 11:25 AM CST, 38 minutes before
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Hazardous weather outlook, Mar 18, 11:30 AM CST, 33 minutes before
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In the hours before

Local storm report, Mar 18, 7:53 AM CST, 4 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
753 AM CST SAT MAR 18 2006

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

1045 PM     HAIL             FERRIS                  32.54N  96.66W
03/17/2006  M0.75 INCH       ELLIS              TX   LAW ENFORCEMENT

            FERRIS P.D. REPORTED PENNY SIZE HAIL IN FERRIS
Special weather statement, Mar 18, 10:21 AM CST, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1021 AM CST SAT MAR 18 2006

TXZ130-181645-

ERATH-
1021 AM CST SAT MAR 18 2006

...SIGNIFICANT WEATHER UPDATE...

AT 1021 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 4 MILES EAST OF DUBLIN...MOVING EAST AT 50 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE BLUFF DALE...CHALK
MOUNTAIN...DUBLIN AND STEPHENVILLE.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM.
Special weather statement, Mar 18, 10:52 AM CST, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1052 AM CST SAT MAR 18 2006

TXZ132-144-181715-

BOSQUE-SOMERVELL-
1052 AM CST SAT MAR 18 2006

...SIGNIFICANT WEATHER UPDATE...

AT 1052 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 18 MILES SOUTHEAST OF STEPHENVILLE...MOVING EAST
AT 45 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE GLEN ROSE.

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

92
Local storm report, Mar 18, 11:33 AM CST, 30 minutes before
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Local storm report, Mar 18, 12:03 PM CST, 0 minutes before
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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, 12:04 PM CSTSevere Thunderstorm WarningFWDEllis, Navarro56 min
Mar 18, 12:56 PM CSTSevere Thunderstorm WarningFWDHenderson, Navarro, Van Zandt64 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.