Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 33, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Sep 19, 2002, 11:26 PM CDT for Cameron County, Willacy County, Texas. It was in force for 64 min. 2 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 19, 2002, 11:26 PM CDT (04:26 UTC)
- Expired
- Sep 20, 2002, 12:30 AM CDT
- In force
- 64 min
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
Counties Cameron County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 46 km from the middle of the area, began a volume at 04:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 19, 11:32 PM CDT | Thunderstorm Wind 65 E | Sebastian, TX | Strong thunderstorm winds downed trees and damaged power lines, resulting in loss of power to residents. |
| Sep 19, 11:40 PM CDT | Thunderstorm Wind 75 E | San Benito, TX | Several power poles were downed by strong thunderstorm winds, resulting in loss of power for residents in San Benito. |
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
Brownsville Intl, TX (KBRO), launched 00:00Z, 4.4 hours before the alert went out and 48 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
- 3866 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 664 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 10:38 PM CDT | Flash Flood Warning | BRO | Willacy | 112 min |
| Sep 19, 10:41 PM CDT | Special Marine Warning | BRO | 3 hr | |
| Sep 19, 10:52 PM CDT | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo | 68 min |
| Sep 19, 11:23 PM CDT | Severe Thunderstorm Warning | BRO | Cameron, Willacy | 37 min |
| Sep 19, 11:56 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 30 days |
Nearby
Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002
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.