Alert archive / Texas / Tornado Watches in 1997
Tornado Watch 772
The Storm Prediction Center issued this tornado watch at Oct 25, 1997, 7:00 PM CDT for 14 parishes in Louisiana; Wilkinson County, Mississippi; 16 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 25, 1997, 7:00 PM CDT (00:00 UTC)
- Expired
- Oct 26, 1997, 1:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Acadia Parish, LA, Allen Parish, LA, Avoyelles Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Saint Landry Parish, LA, Vernon Parish, LA, West Feliciana Parish, LA, Wilkinson County, MS, Angelina County, TX, Chambers County, TX, Fort Bend County, TX, Hardin County, TX, Harris County, TX, Jasper County, TX, Jefferson County, TX, Liberty County, TX, Montgomery County, TX, Newton County, TX, Orange County, TX, Polk County, TX, Sabine County, TX, San Jacinto County, TX, Tyler County, TX, Waller County, TX
The radar
The Lake Charles radar (KLCH), 105 km from the middle of the area, began a volume at 00:01 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.
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 11:12 PM CDT | Severe Thunderstorm Warning | HGX | Chambers | 33 min |
| Oct 26, 12:05 AM CDT | Flash Flood Warning | LCH | Calcasieu | 115 min |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.0 hours before the alert went out and 107 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
- 4126 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 8.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 9:00 PM CDT | Tornado Watch | SPC | Bienville, Caldwell, Catahoula, Concordia, East Carroll, Franklin and 15 more | 6 hr |
| Oct 26, 12:00 AM CDT | Tornado Watch | SPC | Acadia, Allen, Ascension, Avoyelles, Calcasieu, Catahoula and 21 more | 6 hr |
| Oct 25, 9:00 PM CDT | Tornado Watch | SPC | Calhoun, Chickasaw, Clay, Grenada, Itawamba, Lafayette and 10 more | 6 hr |
Nearby
Tornado Watches in Texas, 1997Tornado Watches in Louisiana, 1997Tornado Watches in Mississippi, 1997Every tornado watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.