Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 61, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 16, 1986, 6:54 PM CDT for Dimmit County, Texas. It was in force for 66 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 16, 1986, 6:54 PM CDT (23:54 UTC)
- Expired
- May 16, 1986, 8:00 PM CDT
- In force
- 66 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Dimmit County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 16, 7:05 PM CDT | Hail 0.75 | Dimmit, TX | |
| May 16, 7:50 PM CDT | Thunderstorm Wind 0 | Dimmit, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 11.9 hours before the alert went out and 149 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
- 2678 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 14.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 162354 SVRSAT TXC127-170100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 654 PM CDT FRI MAY 16 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF TEXAS...DIMMIT AT 650 PM CDT A SEVERE THUNDERSTORM WAS INDICATED APPROXIMATELY 20 MILES WEST OF CARIZZO SPRINGS IN EXTREME NORTHWEST DIMMIT COUNTY. THIS STORM PRODUCED GOLFBALL SIZED HAIL AND VERY HEAVY RAIN AS IT MOVED ACROSS THE CENTRAL MAVERICK COUNTY. THE STORM IS MOVING TO THE EAST SOUTHEAST AT 20 MILES AN HOUR. PERSONS IN AND NEAR THE PATH OF THIS DANGEROUS STORM SHOULD TAKE COVER IMMEDIATELY. IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY. YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE. PLEASE LISTEN TO YOUR L%OCAL RADIO..TV OR NOAA WEATHER RADIO STATION FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER EVENT.
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 16, 3:07 PM CDT, 3 hours 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 306 PM CDT FRI MAY 16 1986 ...DANGEROUS THUNDERSTORMS IN THE DEL RIO AREA... AT 305 PM CDT RADAR INDICATED A INTENSE THUNDERSTORM 20 MILES WEST OF THE DEL RIO INTERNATIONAL AIRPORT. MGVEMENT WAS TOWARDS THE EAST AT 10 MILES AN HOUR. THIS STORM IS APPROACHING THE SEVERE..PERSONS IN THE CITY OF DEL RIO AND VICINITY SHOULD BE PREPARED FOR HEAVY RAIN..SMALL HAIL..STRONG WINDS AND FREQUENT LIGHTNING WITH THIS STORM. YOU SHOULD LISTEN TO LOCAL RADIO STATIONS AND NATIONAL WEATHER SERVICE RADIO SINCE THIS STORM IS INCREASING RAPIDLY A SEVERE THUNDERSTORMS WARNING MAY BE ISSUED ON VERY SHORT NOTICE.
Special weather statement, May 16, 4:05 PM CDT, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 400 PM CDT FRI MAY 16 1986 AT 400 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS DEVELOPING IN MEXICO MOVING TOWARD THE EAST AT ABOUT 10 MPH. THESE STORMS WILL MOVE INTO WESTERN PORTIONS OF KINNEY AND MAVERICK COUNTIES WITHIN THE HOUR. THESE THUNDERSTORMS WILL PRODUCE HEAVY RAINS WITH POSSIBLE HAIL AND HIGH WINDS AS THEY MOVE THROUGH THE AREA. YOU SHOULD LISTEN TO LOCAL RADIO SJTATIONS AND NATIONAL WEATHER SERVICE RADIO FOR FURTHER STATEMENTS AS THESE STORMS DEVELOPE.
Special weather statement, May 16, 5:24 PM CDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 515 PM CDT FRI MAY 16 1986 NATIONAL WEATHER SERVICE RADAR CONTINUES TO INDICATE THUNDERSTORMS DEVELOPING ACROSS WESTERN PORTIONS OF SOUTH TEXAS. AT 515 PM CDT HEAVY THUNDERSTORMS WERE INDICATED IN MEXICO SOUTH OF DEL RIO MOVING EASTWARD INTO KINNEY COUNTY AT ABOUT 25 MPH. ANOTHER STRONG STORM WHICH EARLIER HAD PRODUCED GOLF BALL SIZED HAIL AT COMSTOCK IN VAL VERDE COUNTY CONTINUED EASTWARD MOVEMENT ACROSS EDWARDS COUNTY. YOU SHOULD LISTEN TO LOCAL RADIO STATIONS AND NATIONAL WEATHER SERVICE RADIO FOR FURTHER STATEMENTS AS THESE STORMS DEVELOPE.
Special weather statement, May 16, 6:02 PM CDT, 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
600 PM CDT FRI MAY 16 1986
....VERY HEAVY THUNDERSTORM AT EAGLE PASS IN MAVERICK COUNTY....
AT 6PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
ALONG THE RIO GRANDE AT EAGLE PASS IN MAVERICK COUNTY. REPORTS RECEIVED
FROM THE PUBLIC INDICATE HEAVY RAIN AND 3/4 INCH HAIL AS THIS STORM
CONTINUES TO MOVE ACROSS THE RIVER. THE STORM CONTINUES MOVEMENT TOWARD
THE SOUTHEAST AT NEAR 25 MILES AN HOUR.
PLEASE STAY TUNED TO LOCAL RADIO STATIONS AND NATIONAL WEATHER SERVICE
RADIO FOR FURTHER STATEMENTS REGARDING THIS STORM.The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 3:28 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 62 min |
| May 16, 4:55 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 65 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.