Alert archive / Texas / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 89, NWS Houston/Galveston, TX

September 3, 1992Grimes County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Sep 3, 1992, 2:12 PM CDT for Grimes County, Texas. It was in force for 63 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
Sep 3, 1992, 2:12 PM CDT (19:12 UTC)
Expired
Sep 3, 1992, 3:15 PM CDT
In force
63 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Grimes County, TX

What was reported inside it

TimeReportWhereRemark
Sep 3, 2:30 PM CDTHail 1Grimes, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 12:00Z, 7.2 hours before the alert went out and 274 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, Stephenville/Cla, TX at 12:00Z on 1992-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1638 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, Stephenville/Cla, TX at 12:00Z on 1992-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 square meters per square second.193958Sfc1 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
1638 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
1210 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 2:08 PM CDTSevere Thunderstorm WarningHGXMontgomery67 min
Sep 3, 3:34 PM CDTSevere Thunderstorm WarningHGXGrimes, Waller56 min
Sep 3, 3:34 PM CDTSevere Thunderstorm WarningHGXHarris56 min
Sep 3, 4:40 PM CDTSevere Thunderstorm WarningHGXWaller50 min
Sep 3, 4:45 PM CDTSevere Thunderstorm WarningHGXFort Bend60 min
Sep 3, 6:32 PM CDTSevere Thunderstorm WarningHGXMatagorda, Wharton38 min

Nearby

Severe Thunderstorm Warnings in Texas, 1992Every severe thunderstorm warning in 1992

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.