Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 64, NWS Houston/Galveston, TX

April 26, 1997Washington County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 26, 1997, 11:31 PM CDT for Washington County, Texas. It was in force for 59 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: Apr 26, 1997, 11:31 PM CDT (04:31 UTC)
Expired: Apr 27, 1997, 12:30 AM CDT
In force: 59 min
Issued by: NWS Houston/Galveston, TX
Area: Whole counties

County Washington County, TX

What was reported inside it

Time	Report	Where	Remark
Apr 26, 11:31 PM CDT	Hail 1.75	Burton, 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 00:00Z, 4.5 hours before the alert went out and 308 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: 73 J/kg
Mixed-layer CIN: -281 J/kg
Mixed-layer LCL: 600 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 139 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Apr 26, 7:53 PM CDT, 3 hours 38 minutes earlier.

Area forecast discussion, Apr 26, 7:53 PM CDT, 3 hours 38 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 11:03 PM CDT	Severe Thunderstorm Warning	HGX	Austin, Colorado	57 min
Apr 26, 11:52 PM CDT	Severe Thunderstorm Warning	HGX	Waller	38 min
Apr 27, 12:02 AM CDT	Severe Thunderstorm Warning	HGX	Grimes, Montgomery	58 min
Apr 27, 12:45 AM CDT	Severe Thunderstorm Warning	HGX	Walker	60 min
Apr 27, 1:03 AM CDT	Severe Thunderstorm Warning	HGX	San Jacinto	57 min
Apr 27, 1:20 AM CDT	Severe Thunderstorm Warning	HGX	Polk	55 min
Apr 27, 2:00 AM CDT	Severe Thunderstorm Warning	HGX	Trinity	45 min
Apr 27, 3:50 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria	25 min
Apr 27, 4:09 AM CDT	Severe Thunderstorm Warning	HGX	Galveston	66 min
Apr 27, 4:21 AM CDT	Severe Thunderstorm Warning	HGX	Harris	54 min
Apr 27, 5:06 AM CDT	Severe Thunderstorm Warning	HGX	Liberty	69 min
Apr 27, 5:37 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria	53 min
Apr 27, 8:16 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria	64 min
Apr 27, 8:49 AM CDT	Severe Thunderstorm Warning	HGX	Harris	56 min
Apr 27, 9:17 AM CDT	Severe Thunderstorm Warning	HGX	Harris, Liberty	58 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997 Every severe thunderstorm warning in 1997

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.