Alert archive / Texas / Tornado Warnings in 1994
Tornado Warning 24, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Oct 18, 1994, 11:03 AM CDT for Matagorda County, Texas. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Oct 18, 1994, 11:03 AM CDT (16:03 UTC)
- Expired
- Oct 18, 1994, 11:30 AM CDT
- In force
- 27 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Matagorda County, TX
The radar
The Houston radar (KHGX), 118 km from the middle of the area, began a volume at 16:07 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.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 4.1 hours before the alert went out and 176 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
- 2059 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 583 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 7.3
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 tornado 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 tornado warning went out at Oct 17, 2:30 PM CDT, 20 hours 33 minutes earlier.
Area forecast discussion, Oct 17, 2:30 PM CDT, 20 hours 33 minutes before
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</html>The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 4:30 AM CDT | Flash Flood Warning | HGX | Chambers, Harris, Liberty, Montgomery, Polk, San Jacinto | 7 hr |
| Oct 18, 4:30 AM CDT | Flash Flood Warning | HGX | Trinity, Walker | 7 hr |
| Oct 18, 4:30 AM CDT | Flash Flood Warning | HGX | Austin, Colorado, Wharton | 7 hr |
| Oct 18, 4:30 AM CDT | Flash Flood Warning | HGX | Brazoria, Fort Bend, Waller | 7 hr |
| Oct 18, 4:30 AM CDT | Flash Flood Warning | HGX | Grimes, Washington | 7 hr |
| Oct 18, 4:30 AM CDT | Flash Flood Warning | HGX | Galveston | 7 hr |
| Oct 18, 5:28 AM CDT | Flash Flood Warning | HGX | Jackson | 6 hr |
| Oct 18, 9:42 AM CDT | Tornado Warning | HGX | Jackson | 33 min |
Nearby
Tornado Warnings in Texas, 1994Every tornado warning in 1994Tornadoes in 1994
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.