Alert archive / Texas / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 63

March 14, 20015 parishes in Louisiana; 9 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Mar 14, 2001, 2:30 PM CST for 5 parishes in Louisiana; 9 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 14, 2001, 2:30 PM CST (20:30 UTC)
Expired
Mar 14, 2001, 8:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center

Counties Allen Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Jefferson Davis Parish, LA, Brazoria County, TX, Chambers County, TX, Fort Bend County, TX, Galveston County, TX, Hardin County, TX, Harris County, TX, Jefferson County, TX, Liberty County, TX, Orange County, TX

Warnings issued inside it

13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 14, 2:59 PM CSTTornado WarningHGXHarris, Liberty, Montgomery46 min
Mar 14, 3:21 PM CSTSevere Thunderstorm WarningHGXChambers54 min
Mar 14, 3:25 PM CSTTornado WarningLCHHardin, Jefferson65 min
Mar 14, 3:26 PM CSTSevere Thunderstorm WarningHGXBrazoria, Fort Bend, Matagorda, Wharton64 min
Mar 14, 3:44 PM CSTSevere Thunderstorm WarningHGXHarris, Liberty61 min
Mar 14, 4:03 PM CSTSevere Thunderstorm WarningHGXGalveston57 min
Mar 14, 4:26 PM CSTSevere Thunderstorm WarningHGXBrazoria34 min
Mar 14, 4:32 PM CSTSevere Thunderstorm WarningHGXHarris28 min
Mar 14, 4:41 PM CSTTornado WarningHGXGalveston34 min
Mar 14, 4:52 PM CSTSevere Thunderstorm WarningHGXChambers38 min
Mar 14, 5:05 PM CSTSevere Thunderstorm WarningLCHJefferson40 min
Mar 14, 5:40 PM CSTSevere Thunderstorm WarningLCHJefferson, Orange50 min
Mar 14, 5:50 PM CSTSevere Thunderstorm WarningLCHCameron55 min

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.5 hours before the alert went out and 129 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, Lake Charles Mun, LA at 12:00Z on 2001-03-14Temperature 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, Lake Charles Mun, LA at 12:00Z on 2001-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
2308 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 14, 5:45 PM CSTTornado WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, Beauregard and 24 more5 hr

Nearby

Severe Thunderstorm Watches in Texas, 2001Severe Thunderstorm Watches in Louisiana, 2001Every severe thunderstorm watch in 2001

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.