Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 54, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 14, 1986, 7:17 PM CDT for Val Verde County, Texas. It was in force for 73 min.
The area
The counties it named.
The facts
- Issued
- May 14, 1986, 7:17 PM CDT (00:17 UTC)
- Expired
- May 14, 1986, 8:30 PM CDT
- In force
- 73 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Val Verde 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
Stephenville/Cla, TX (KSEP), launched 00:00Z, 0.3 hours before the alert went out and 389 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
- 2553 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 741 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 20.8
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 severe thunderstorm 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, May 14, 5:17 PM CDT, 2 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 517 PM CDT WED MAY 14 1986 ...THUNDERSTORMS IN THE DEL RIO AREA... AT 515 PM CDT RADAR INDICATED STRONG THUNDERSTORMS 20 MILES WEMST OF DEL RIO MOVING TOWARD THE EAST AT 30 MILES AN HOUR. THESE STORMS SHOULD BE IN DEL RIO WITHIN AN HOUR. HEAVY RAIN..SMALL HAIL..STRONG WINDS AND FREQUENT LIGHTNING CAN BE EXPECTED WITH THESE STORMS.
Special weather statement, May 14, 6:57 PM CDT, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 657 PM CDT WED MAY 14 1986 ...VERY HEAVY THUNDERSTORMS OVER A PORTION OF SOUTH CENTRAL TEXAS... HEAVY THUNDERSTORMS THAT FORMED IN THE MOUNTAINS OF MEXICO NEAR DEL RIO HAVE CONTINUED A SLOW EASTWARD MOVEMENT INTO THE WESTERN SECTIONS OF SOUTH CENTRAL TEXAS. AT 655 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS FROM DEL RIO TO JUNCTION TO JOURDANTON TO LAREDO AND DEL RIO. THE STORMS WERE MOVING TO THE EAST AT 30 MPH. THE HEAVIEST ACTIVITY WAS LOCATED FROM DEL RIO TO BRACKETVILLE AND TO NORTH OF EAGLE PASS. PERSONS IN EDWARDS..KINNEY AND MAVERICK COUNTIES SHOULD BE ALERT TO THE THREAT OF BRIEF HEAVY RAIN AND VERY DANGEROUS AND FREQUENT LIGHTNING. THE STORMS PRODUCED MARBLE SIZED HAIL IN VAL VERDE COUNTY NEAR 600 PM AND COULD PRODUCE MORE SMALL HAIL AND GUSTY WINDS. MOTORISTS ARE CAUTIONED TO DRIVE WITH EXTREME CARE NEAR THESE STORMS BECAUSE OF POOR VISIBILITY..SLICK ROADS AND GUSTING WINDS.
Special weather statement, May 14, 7:06 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT...RETRANSMITTED FOR DPS AUS NATIONAL WEATHER SERVICE SAN ANTONIO TX 657 PM CDT WED MAY 14 1986 ...VERY HEAVY THUNDERSTORMS OVER A PORTION OF SOUTH CENTRAL TEXAS... HEAVY THUNDERSTORMS THAT FORMED IN THE MOUNTAINS OF MEXICO NEAR DEL RIO HAVE CONTINUED A SLOW EASTWARD MOVEMENT INTO THE WESTERN SECTIONS OF SOUTH CENTRAL TEXAS. AT 655 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS FROM DEL RIO TO JUNCTION TO JOURDANTON TO LAREDO AND DEL RIO. THE STORMS WERE MOVING TO THE EAST AT 30 MPH. THE HEAVIEST ACTIVITY WAS LOCATED FROM DEL RIO TO BRACKETVILLE AND TO NORTH OF EAGLE PASS. PERSONS IN EDWARDS..KINNEY AND MAVERICK COUNTIES SHOULD BE ALERT TO THE THREAT OF BRIEF HEAVY RAIN AND VERY DANGEROUS AND FREQUENT LIGHTNING. THE STORMS PRODUCED MARBLE SIZED HAIL IN VAL VERDE COUNTY NEAR 600 PM AND COULD PRODUCE MORE SMALL HAIL AND GUSTY WINDS. MOTORISTS ARE CAUTIONED TO DRIVE WITH EXTREME CARE NEAR THESE STORMS BECAUSE OF POOR VISIBILITY..SLICK ROADS AND GUSTING WINDS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 8:56 PM CDT | Severe Thunderstorm Warning | EWX | San Saba | 64 min |
| May 15, 7:54 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop | 66 min |
| May 15, 8:09 AM CDT | Severe Thunderstorm Warning | EWX | Lee | 66 min |
| May 15, 11:16 AM CDT | Severe Thunderstorm Warning | EWX | Burleson, Milam | 59 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1986Every severe thunderstorm warning 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.