Alert archive / Texas / Tornado Warnings in 1986
Tornado Warning 17, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Aug 11, 1986, 2:12 PM CDT for Galveston County, Texas. It was in force for 76 min.
The area
The counties it named.
The facts
- Issued
- Aug 11, 1986, 2:12 PM CDT (19:12 UTC)
- Expired
- Aug 11, 1986, 3:28 PM CDT
- In force
- 76 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Galveston County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Victoria Regiona, TX (KVCT), launched 12:00Z, 7.2 hours before the alert went out and 209 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
- 1889 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 682 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -69 m²/s²
- 0-3 km storm-relative helicity
- -27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGLS 111912 TORGLS TXC167-112012- BULLETIN-EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE GALVESTON TX 212 PM CDT MON AUG 11 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 312 PM CDT FOR PERSONS IN THE FOLLOWING COUNTIES IN SOUTHEAST TEXAS...GALVESTON AT 2OO PM SANTE FE POLICE REPORT A TORNADO ON THE GROUND AT THE KIDDO TACQUARD RANCH AT THE INTERSECTION OF HIGHWAY 2004 AND HIGHWAY 646 IN NORTHWEST GALVESTON COUNTY. IF YOU SEE OR HEAR A TORNADO... TAKE THE FOLLOWING SAFETY MEASURES. SEEK INSIDE SHELTER IMMEDIATELY... PROTECT YOUR HEAD AND EYES... LIE FLAT AND MAKE AS SMALL A TARGET AS POSSIBLE. DO NOT LEAVE YOUR SHELTER UNTIL THE STORM THREAT IS OVER. IF INDOORS... SEEK SHELTER AWAY FROM WINDOWS AND HEAVY FURNITURE.
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.
In the hours before
Special weather statement, Aug 11, 10:45 AM CDT, 3 hours 27 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION NATIONAL WEATHER SERVICE GALVESTON TX 1045 AM CDT MON AUG 11 1986 ...FUNNEL CLOUDS SIGHTED ALONG HIGHWAY 2004 SOUTH OF CHOCALATE BAYOU... AT 1030 AM CDT... A VERY HEAVY THUNDERSTORM WAS OCCURRING 10 MILES NORTH OF JASPER. MOVEMENT WAS WEST AT 5 MILES AN HOUR. NUMEROUS SHOWERS AND VERY HEAVY THUNDERSHOWERS WERE OCCURRING ACROSS SOUTHEAST TEXAS...SOUTHWEST LOUISIANA AND THE NORTHWEST GULF FROM COLLEGE STATION TO WHITE LAKE TO 100 MILES SOUTHEAST OF GALVESTON. THE HEAVIEST ACTIVITY WAS LOCATED 15 MILES NORTH OF EAGLE LAKE...FROM LIBERTY TO GOODRICH...NEAR SABINE...AND 25 MILES SOUTHEAST OF GALVESTON. MOVEMENT WAS NORTHWEST AT 5 MILES AN HOUR.
Special weather statement, Aug 11, 1:49 PM CDT, 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 150 PM CDT MON AUG 11 1986 ...HEAVY THUNDERSTORMS IN FORT BEND...POLK AND SAN JACINTO COUNTIES... VERY HEAVY THUNDERSTORMS WERE IN FORT BEND COUNTY IN THE RICHMOND ROSENBURG AND SUGARLAND AREA. ALSO VERY HEAVY THUNDERSTORMS WERE IN THE LAKE LIVINGSTON AREA OF POLK AND SAN JACINTO COUNTIES. THESE THUNDESTORMS WERE MOVING NORTH AT 10 MPH. THESE THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS SOME HAIL AND INTENSE LIGHTING AS THEY MOVE THROUGH THE AREA. BOATERS AND FISHERMEN ON LAKE LIVINGSTON SHOULD HEAD FOR SAFE HARBOUR. CAMPERS IN THE AREA SHOULD BE ALERT FOR STRONG GUSTY WINDS AND LIGHTING.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 9:20 PM CDT | Severe Thunderstorm Warning | HGX | Polk | 55 min |
| Aug 11, 1:44 PM CDT | Tornado Warning | HGX | Fort Bend | 61 min |
Nearby
Tornado Warnings in Texas, 1986Every tornado warning in 1986Tornadoes in 1986
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.