Alert archive / Texas / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 5, 1996, 3:13 PM CST for Waller County, Texas. It was in force for 32 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 5, 1996, 3:13 PM CST (21:13 UTC)
- Expired
- Apr 5, 1996, 3:45 PM CST
- In force
- 32 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Waller County, TX
The radar
The Houston radar (KHGX), 106 km from the middle of the area, began a volume at 21:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 5, 3:25 PM CST | Hail 1.75 | Monaville/Pattison, 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, 9.2 hours before the alert went out and 269 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 729 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 5, 2:27 PM CST, 46 minutes earlier.
Area forecast discussion, Apr 5, 2:27 PM CST, 46 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 220 PM CST FRI APR 5 1996 AGREE W/PREVIOUS REASONING THAT BEST CHANCES OF PRECIP WOULD BE REMAINDER OF THIS AFTN THROUGH TONITE. UPPER LVL TROF EXTENDING FM NORTHEAST WL DISENGAGE FM UPPER LOW IN NW OLD MEXICO LATE SATURDAY/EARLY SUNDAY. 850 MB MOISTURE SHOWN BY ETA GETTING DRIER LATER SATURDAY FM THE N AS COLDER AIR GETS DEEPER. MEANWHILE... GOOD WARM/MOIST ADVECTION ACTIVE ALG UPPER TX COAST AT 850 MB LVL RIDING ON TOP OF COOL AIR. INDUCED SFC TROF COASTAL WATERS HELPING TO FOCUS CONVECTION IN THAT AREA INCLUDING COASTAL COUNTIES OF SE TX. SVR TSTM EARLIER OVR JACKSON CO PRODUCED GOLFBALL SIZE HAIL. MARBLE SIZE HAIL FM OTHER STRONG STORMS. WOULD EXPECT SFC WINDS TO RMN STRONG TONITE AND SATURDAY...WEAKENING SATURDAY NITE EXCEPT FOR COASTAL WATERS. NGM MOS TEMPS LOOKS REASONABLE...W/HIGHS ON SATURDAY BARELY REACHING 60. 1ST THOUGHTS...#37 PRELIMS...CLL 44/60 4/3 IAH 48/61 7/5 GLS 55/61 8/7
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 1:35 PM CST | Severe Thunderstorm Warning | HGX | Jackson | 40 min |
| Apr 5, 1:40 PM CST | Severe Thunderstorm Warning | HGX | Galveston | 65 min |
| Apr 5, 1:55 PM CST | Severe Thunderstorm Warning | HGX | Wharton | 50 min |
| Apr 5, 2:41 PM CST | Severe Thunderstorm Warning | HGX | Matagorda | 49 min |
| Apr 5, 2:52 PM CST | Severe Thunderstorm Warning | HGX | Austin | 38 min |
| Apr 5, 3:41 PM CST | Severe Thunderstorm Warning | HGX | Grimes | 49 min |
| Apr 5, 3:45 PM CST | Severe Thunderstorm Warning | HGX | Colorado | 60 min |
| Apr 5, 4:07 PM CST | Severe Thunderstorm Warning | HGX | Montgomery, Walker | 68 min |
| Apr 5, 4:29 PM CST | Severe Thunderstorm Warning | HGX | Austin, Colorado | 46 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.