Alert archive / Texas / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 463
The Storm Prediction Center issued this severe thunderstorm watch at Jun 17, 1997, 10:30 AM CDT for 28 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 17, 1997, 10:30 AM CDT (15:30 UTC)
- Expired
- Jun 17, 1997, 4:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Austin County, TX, Brazoria County, TX, Caldwell County, TX, Calhoun County, TX, Chambers County, TX, Colorado County, TX, DeWitt County, TX, Fayette County, TX, Fort Bend County, TX, Galveston County, TX, Gonzales County, TX, Hardin County, TX, Harris County, TX, Jackson County, TX, Jasper County, TX, Jefferson County, TX, Lavaca County, TX, Liberty County, TX, Matagorda County, TX, Montgomery County, TX, Orange County, TX, Refugio County, TX, San Jacinto County, TX, Tyler County, TX, Victoria County, TX, Waller County, TX, Washington County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 101 km from the middle of the area, began a volume at 15:29 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
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 10:46 AM CDT | Severe Thunderstorm Warning | HGX | Austin, Colorado | 59 min |
| Jun 17, 11:18 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 57 min |
| Jun 17, 11:24 AM CDT | Severe Thunderstorm Warning | HGX | Austin, Colorado | 66 min |
| Jun 17, 11:52 AM CDT | Tornado Warning | HGX | Harris | 68 min |
| Jun 17, 12:13 PM CDT | Tornado Warning | HGX | Chambers | 62 min |
| Jun 17, 12:19 PM CDT | Severe Thunderstorm Warning | HGX | Galveston | 56 min |
| Jun 17, 12:27 PM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 63 min |
| Jun 17, 1:08 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 67 min |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 3.5 hours before the alert went out and 248 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
- 2899 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 8.1
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 |
|---|---|---|---|---|
| Jun 16, 10:00 PM CDT | Tornado Watch | SPC | Archer, Clay, Cooke, Fannin, Grayson, Lamar and 3 more | 6 hr |
| Jun 16, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Burnet, Concho, Edwards, Gillespie, Kerr, Kimble and 10 more | 5 hr |
| Jun 16, 11:30 PM CDT | Tornado Watch | SPC | Anderson, Angelina, Bosque, Bowie, Camp, Cass and 41 more | 7 hr |
| Jun 17, 6:30 AM CDT | Tornado Watch | SPC | Angelina, Hardin, Jasper, Liberty, Newton, Polk and 4 more | 6 hr |
| Jun 17, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Aransas, Bee, Brooks, Calhoun, Cameron, Duval and 18 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Texas, 1997Every severe thunderstorm 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.