Alert archive / Texas / Tornado Warnings in 1986
Tornado Warning 8, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Jun 15, 1986, 11:10 AM CDT for Chambers County, Galveston County, Texas. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jun 15, 1986, 11:10 AM CDT (16:10 UTC)
- Expired
- Jun 15, 1986, 12:10 PM CDT
- In force
- 60 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
Counties Chambers County, TX, 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 4.2 hours before the alert went out and 164 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
- 2027 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- -42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
In the hours before
Special weather statement, Jun 15, 8:45 AM CDT, 2 hours 25 minutes before
SPECIAL MARINE WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GALVESTON TX 940 AM CDT SUN JUN 15 1986 ...VERY HEAVY THUNDERSTORMS CONTINUE OVER THE ADJACENT COASTAL WATERS OF CHAMBERS AND GALVESTON COUNTIES. OPERATORS OF SMALL CRAFT SHOULD BE ALERT FOR CHANGING WEATHER CONDITIONS. AT 930 AM CDT A HEAVY THUNDERSTORM WAS OCCURRING 15 MILES SOUTHEAST OF GALVESTON ISLAND...THIS THUNDERSTORM HAD PRODUCED WATERSPOUTS. MOVEMENT WAS NORTH AT 15 MILES AN HOUR. OTHER SCATTERED THUNDERSTORMS...SOME HEAVY AND VERY HEAVY...CONTINUED TO DEVELOP ALONG THE COASTAL PLAINS AND OVER THE GULF. THE HEAVIEST THUNDERSTORMS WERE OCCURRING OVER THE GULF 60 TO BEYOND 125 MILES SOUTH OF GALVESTON. OTHER HEAVY THUNDERSTORMS CONTINUED NEAR PALACIOS AND FREEPORT. MOVEMENT WAS NORTH AT 15 MILES AN HOUR.
Special weather statement, Jun 15, 10:35 AM CDT, 35 minutes before
SPECIAL MARINE WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GALVESTON TX 1035 AM CDT SUN JUN 15 1986 ...THUNDERSTORMS DECREASING OVER THE ADJACENT COASTAL WATERS OF GALVESTON AND CHAMBERS COUNTIES. MARINERS ON GALVESTON BAY...AND ON THE ADJACENT COASTAL WATERS SHOULD CONTINUE TO BE ALERT FOR CHANGING WEATHER CONDITIONS. AT 1030 AM CDT...THUNDERSTORMS IN THE GALVESTON BAY AREA HAD DECREASED RAPIDLY DURING THE PAST HOUR. HEAVY THUNDERSHOWERS WERE OCCURRING AT THE NORTH END OF GALVESTON BAY...OVER PARTS OF THE HOUSTON METRO AREA...AND OVER THE GULF...30 TO 45 MILES SOUTHEAST OF GALVESTON ISLAND...THESE THUNDERSHOWERS WERE DECREASING IN INTENSITY. OTHER SCATTERED THUNDERSTORMS...SOME HEAVY AND VERY HEAVY...CONTINUED TO DEVELOP ALONG THE COASTAL PLAINS AND OVER THE GULF. THE HEAVIEST THUNDERSTORMS WERE OCCURRING OVER THE GULF 60 TO BEYOND 125 MILES SOUTH OF GALVESTON. MOVEMENT WAS NORTH AT 15 MILES AN HOUR.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 8:40 AM CDT | Tornado Warning | HGX | Chambers, Galveston | 60 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.