Alert archive / Texas / Tornado Warnings in 1994
Tornado Warning 20, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Oct 17, 1994, 12:06 AM CDT for Montgomery County, Texas. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Oct 17, 1994, 12:06 AM CDT (05:06 UTC)
- Expired
- Oct 17, 1994, 1:15 AM CDT
- In force
- 69 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Montgomery County, TX
The radar
The Houston radar (KHGX), 101 km from the middle of the area, began a volume at 05:05 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 5.1 hours before the alert went out and 222 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
- 17 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 727 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 16, 8:21 PM CDT, 3 hours 45 minutes earlier.
Area forecast discussion, Oct 16, 8:21 PM CDT, 3 hours 45 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON, TX 820 PM CDT SUN OCT 16 1994 CURRENT PACKAGE LOOKS GOOD. ONLY CHANGE WILL BE TO INCLUDE LOCALLY HEAVY RAINFALL IN NORTHERN ZONES TONIGHT. 36
In the hours before
Special weather statement, Oct 16, 10:29 PM CDT, 1 hour 37 minutes before
TXZ197-210>212-226-227-235>237-511-1601000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 1022 PM SUN OCT 16 1994 ...FLASH FLOOD WARNINGS CONTINUE IN EFFECT FOR HOUSTON...TRINITY... MADISON...MONTGOMERY...POLK...WALKER...BRAZOS...BURLESON...GRIMES AND WASHINGTON COUNTIES... STRONG THUNDERSTORMS ACCOMPANIED WITH VERY HEAVY RAIN CONTINUE OVER PARTS OF EAST AND SOUTHEAST TEXAS. RADAR INDICATED RAINFALL OF THREE TO FIVE INCHES IN THE PAST THREE HOURS OVER MANY AREAS. ONE REPORT OF NINE INCHES IN THE VICINITY OF POST OAK MALL IN COLLEGE STATION WAS RECIEVED. LAW ENFORCEMENT AGENIES IN THE WARNED COUNTIES REPORT NUMEROUS ROADS AND STREETS ARE IMPASSABLE. DRIVERS ARE BEING URGED TO STAY OFF THE ROADS. THE HEAVY RAIN IS EXPECTED TO CONTINUE THROUGH THE NEXT THREE TO FOUR HOURS.
Special weather statement, Oct 16, 11:18 PM CDT, 48 minutes before
TXZ211-210-227-198-213-163-200-199-179-178-164-177-212-197-041- 051-313-170615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 1118 PM CDT SUN OCT 16 1994 ...FLASH FLOOD WARNING IN EFFECT FOR BRAZOS...BURLESON...GRIMES...AND WASHINGTON COUNTIES UNTIL 1245 AM... ...FLASH FLOOD WARNING IN EFFECT FOR HOUSTON...TRINITY...MADISON... MONTGOMERY...POLK...AND WALKER COUNTIES UNTIL 100 AM... LATEST SATELLITE PICTURES AND SURFACE OBSERVATIONS INDICATE EXTREMELY HEAVY RAIN CONTINUING TO FALL ACROSS SOUTHEAST TEXAS GENERALLY NORTH OF A LINE FROM COLUMBUS TO SPRING TO WOODVILLE. THE HEAVIEST RAINS WERE LOCATED FROM COLUMBUS TO BROOKSHIRE TO CONROE TO COLDSPRING TO CORRIGAN. IN ADDITION...COLLEGE STATION CONTINUES TO REPORT HEAVY RAIN. RAINFALL RATES ARE RUNNING 2 TO 3 INCHES AN HOUR. SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP NEAR COLORADO COUNTY AND MOVE TO THE NORTH NORTHEAST AT 20 TO 25 MILES AN HOUR. AT THIS TIME...HEAVY RAINS SHOULD CONTINUE TO CROSS LOCATIONS THAT HAVE ALREADY RECEIVED LARGE AMOUNTS OF RAIN FROM EARLIER TODAY AND THIS EVENING. 9 INCHES OF RAIN HAS BEEN REPORTED IN COLLEGE STATION. US 59 NEAR CORRIGAN IN POLK COUNTY IS CLOSED DUE TO THREE FEET OF STANDING WATER. IN WALLER COUNTY...WATER IS BEGINNING TO WASH OVER THE ROADS AND A FLASH FLOOD WARNING MAY BE REQUIRED WITHIN THE NEXT HOUR. CONDITIONS MAY DETERIORATE RAPIDLY THROUGH TONIGHT. STRONG WINDS...HAIL...AND DANGEROUS LIGHTNING HAIL ARE POSSIBLE WITH THESE THUNDERSTORMS. ALL PERSONS ACROSS THE COUNTIES WITH FLASH FLOOD WARNINGS AND WALLER COUNTY ARE URGED TO REMAIN INDOORS THROUGH TONIGHT. THIS IS A DANGEROUS WEATHER SITUATION! STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 11:22 PM CDT | Severe Thunderstorm Warning | HGX | Harris, Waller | 68 min |
| Oct 17, 12:06 AM CDT | Tornado Warning | HGX | Harris | 39 min |
| Oct 17, 1:01 AM CDT | Flash Flood Warning | HGX | Harris, Liberty, Montgomery, Polk, San Jacinto | 3 hr |
| Oct 17, 1:01 AM CDT | Flash Flood Warning | HGX | Austin, Waller, Washington | 3 hr |
| Oct 17, 1:01 AM CDT | Flash Flood Warning | HGX | Brazos, Burleson | 3 hr |
| Oct 17, 1:01 AM CDT | Flash Flood Warning | HGX | Trinity, Walker | 3 hr |
| Oct 17, 1:01 AM CDT | Flash Flood Warning | HGX | Madison | 3 hr |
| Oct 17, 1:45 AM CDT | Flash Flood Warning | HGX | Austin, Waller, Washington | 2 hr |
| Oct 17, 1:45 AM CDT | Flash Flood Warning | HGX | Brazos, Burleson | 2 hr |
| Oct 17, 1:45 AM CDT | Flash Flood Warning | HGX | Liberty, Polk | 2 hr |
| Oct 17, 1:45 AM CDT | Flash Flood Warning | HGX | Harris | 2 hr |
| Oct 17, 1:45 AM CDT | Flash Flood Warning | HGX | Grimes, Madison, Montgomery, San Jacinto, Trinity, Walker | 2 hr |
| Oct 17, 7:20 AM CDT | Tornado Warning | HGX | Chambers | 40 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.