Alert archive / Texas / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 387, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Sep 20, 1996, 8:09 PM CDT for Bowie County, Cass County, Texas. It was in force for 66 min. 3 reports 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 20, 1996, 8:09 PM CDT (01:09 UTC)
- Expired
- Sep 20, 1996, 9:15 PM CDT
- In force
- 66 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Bowie County, TX, Cass County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 20, 8:30 PM CDT | Thunderstorm Wind 60 | Marietta, TX | |
| Sep 20, 8:40 PM CDT | Thunderstorm Wind 60 | Atlanta, TX | |
| Sep 20, 8:40 PM CDT | Hail 0.75 | Douglassville, 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
Fort Worth, TX (KFWD), launched 00:00Z, 1.2 hours before the alert went out and 275 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
- 1680 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 961 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.9
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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 20, 3:38 PM CDT, 4 hours 31 minutes earlier.
Area forecast discussion, Sep 20, 3:38 PM CDT, 4 hours 31 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 340 PM CDT FRI SEP 20 1996 VRY POTENT WX SITUATION. TORNADO WATCHES POPPING UP ACRS CNTRL TX AND ACTIVITY WILL PROPAGATE TOWARD FA. ISLTD SVR STORM HEADED FOR MCCURTAIN OK WHICH IS WHERE ALL THREE MODELS INDICATE MAX PVA AT 00Z SAT...THE ONLY THING THE MODELS ARE IN EXACT AGREEMENT OVR. LIKE ETA BEST. NGM KEEPS CHC TSTMS ACRS E TX INTO SAT MRNG. BELIEVE ACTIVITY WILL SWEEP SOUTH BY THEN. MODELS ALSO HAVE STG INFLOW BNDRY LAYER OF SOUTH WINDS ACRS GULF SHORELINE. EXPLOSIVE INSTABILITY ALONG WITH MODEST DYNAMICS AND VEERING SUGGEST SUPERCELL DVLPMNT PSBL. CHC TSTMS EARLY SAT FOR SOUTHERN CWA THEN PLEASANT REMAINDER OF WKND. SH>V 70/84/62/88 6200 MLU 70/86/58/87 6300 VII
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 9:43 PM CDT | Severe Thunderstorm Warning | SHV | Caddo | 62 min |
| Sep 20, 10:15 PM CDT | Severe Thunderstorm Warning | SHV | Bossier | 60 min |
| Sep 20, 8:05 PM CDT | Severe Thunderstorm Warning | SHV | Camp | 40 min |
| Sep 20, 10:50 PM CDT | Severe Thunderstorm Warning | SHV | Harrison | 55 min |
| Sep 20, 8:54 PM CDT | Severe Thunderstorm Warning | SHV | Miller | 66 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.