Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 22, NWS Houston/Galveston, TX

March 14, 2001Austin County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Mar 14, 2001, 2:07 PM CST for Austin County, Texas. It was in force for 23 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 14, 2001, 2:07 PM CST (20:07 UTC)
Expired: Mar 14, 2001, 2:30 PM CST
In force: 23 min
Issued by: NWS Houston/Galveston, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Austin County, TX

What was reported inside it

Time	Report	Where	Remark
Mar 14, 2:15 PM CST	Hail 0.75	Sealy, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.1 hours before the alert went out and 298 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

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 Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 14, 10:15 AM CST, 3 hours 52 minutes earlier.

Area forecast discussion, Mar 14, 10:15 AM CST, 3 hours 52 minutes before

SOUTHEAST TEXAS FORECAST DISCUSSION...CORRECTED ISSUE TIME
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1015 AM CST WED MAR 14 2001

LOTS OF VIRGA AND SOME PRECIP SO FAR THIS MORNING WITH SHEAR INDUCED
LIFT ON SATURATED MID TO UPPER LEVELS. EVEN AN OCCASIONAL CG.
NOTE...88D PRECIP ESTIMATES LIKELY OVERDONE.   SHORT WAVE
PROGRESSING AS ADVERTISED AND SHOULD HAVE TROUGH AXIS ON WESTERN
PART OF CWA AT 00Z.  MESOETA CONTINUES TO SHOW SFC DEVELOPMENT THIS
AFTERNOON JUST OFFSHORE THEN MOVING EAST OVER THE COASTAL WATERS.
HIGH SHEAR AND ENOUGH CAPE TO CONTINUE THREAT OF SEVERE...THOUGH
MAINLY ELEVATED INLAND COULD SEE SFC BASED SUPERCELLS OVER COASTAL
WATERS AS LOW WRAPS UP AND PULLS GULF AIR NORTHWARD. WILL MENTION
THREAT IN CWF ALSO. ONLY MINOR ADJUSTMENTS TO ZONES THIS UPDATE.

.KHGX...SCEC 0-60 NM.

30/40/DO

PRELIMS FROM 3AM...
CLL TB 067/054 072/045 069 +30
IAH TB 068/055 075/045 069 930
GLS TB M069/060 072/055 069 730

END

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 14, 2:07 PM CST	Severe Thunderstorm Warning	HGX	Harris, Waller	23 min
Mar 14, 2:28 PM CST	Tornado Warning	HGX	Harris, Waller	47 min
Mar 14, 2:36 PM CST	Severe Thunderstorm Warning	HGX	Montgomery	39 min
Mar 14, 2:59 PM CST	Tornado Warning	HGX	Harris, Liberty, Montgomery	46 min
Mar 14, 3:21 PM CST	Severe Thunderstorm Warning	HGX	Chambers	54 min
Mar 14, 3:26 PM CST	Severe Thunderstorm Warning	HGX	Brazoria, Fort Bend, Matagorda, Wharton	64 min
Mar 14, 3:44 PM CST	Severe Thunderstorm Warning	HGX	Harris, Liberty	61 min
Mar 14, 4:03 PM CST	Severe Thunderstorm Warning	HGX	Galveston	57 min
Mar 14, 4:26 PM CST	Severe Thunderstorm Warning	HGX	Brazoria	34 min
Mar 14, 4:32 PM CST	Severe Thunderstorm Warning	HGX	Harris	28 min
Mar 14, 4:41 PM CST	Tornado Warning	HGX	Galveston	34 min
Mar 14, 4:52 PM CST	Severe Thunderstorm Warning	HGX	Chambers	38 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.