Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 30, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 2, 1990, 11:18 PM CDT for Gillespie County, Texas. It was in force for 57 min. 1 report 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 2, 1990, 11:18 PM CDT (04:18 UTC)
- Expired
- May 3, 1990, 12:15 AM CDT
- In force
- 57 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Gillespie 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 2, 11:20 PM CDT | Hail 1 | Gillespie, 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 00:00Z, 4.3 hours before the alert went out and 211 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KAUS 030419
SVRAUS
TXC171-030515-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
1118 PM CDT WED MAY 2 1990
THE NATIONAL WEATHER SERVICE IN AUSTIN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL TEXAS
...GILLESPIE
AT 1115 PM RADAR SHOWED A POSSIBLE SEVERE THUNDERSTORMS IN THE
SOUTHWESTERN PART OF GILLESPIE COUNTY. MOVING NORTHEAST AT 15 MPH.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGIN^G WEATHER CONDITIONS.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 2, 5:44 PM CDT, 5 hours 34 minutes before
TXZ030-034>037-030030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 540 PM CDT WED MAY 2 1990 ...A FLASH FLOOD WATCH FOR TRAVIS AND ALL SURROUNDING COUNTIES TONIGHT EXCLUDING FAYETTE AND BURLESON COUNTIES ... AROUND 530 PM RADAR SHOWED SCATTERED SHOWERS THROUGHTOUT CENTRAL TEXAS. THE AREA OF COVERAGE IS INCREASING BUT RAINFALL REAMIN LIGHT. MOVEMENT OF THE SHOWERS IS TO THE NORTH AT 25 MPH. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP LATER THIS EVENING AND TONIGHT PRODUCING HEAAVY RAIN AND FLASH FLOODING. PERSONS IN THE WATCH AREA ARE URGED TO MONITOR WEATHER DEVELOPMENTS AND BE PREPARED TO TAKE ACTION SHOULD FLOODING BE OBSERVED OR A FLASH FLOOD WARNING ISSUED. MOTORISTS TRAVELING IN THE WATCH AREA SHOULD LOOK OUT FOR FLOODED ROADWAYS.
Special weather statement, May 2, 10:32 PM CDT, 46 minutes before
TXZ030-034>037-030500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1030 PM CDT WED MAY 2 1990 ...TORNADO WATCH FOR TRAVIS AND ALL SURROUNDING COUNTIES UNTIL 4 AM CDT.... ...A FLASH FLOOD WATCH FOR TRAVIS AND ALL SURROUNDING COUNTIES THOUGH TONIGHT EXCLUDING FAYETTE AND BURLESON COUNTIES ... AT 1020 PM RADAR SHOWED A LARGE LINE OF SHOWERS AND THUNDERSTORMS SOME WITH HEAVY RAIN FROM DEL RIO NORTHEAST TO THE DALLAS FORT WORTH AREA. THE STRONGER THUNDERSORMS WERE LOCATED SOUTH OF JUNCTION...WEST OF FREDERICKSBURGH...AND WEST OF LLANO. MOVEMENT OF THE INDIVIDUAL STORMS IS TO THE NORTH WHILE THE LINE IS SLOWLY MOVING EAST. THESE STORMS ARE PRESENTLY MOVING INTO GILLESPIE...LLANO...SAN SABA AND MILLS COUNTIES. THESE STORMS COULD PRODUCE VERY HEAVY RAIN...STRONG GUSTY WINDS...HAIL AND ISOLATED TORNADOES.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 9:14 PM CDT | Flash Flood Warning | EWX | Edwards | 2 hr |
| May 2, 10:25 PM CDT | Flash Flood Warning | EWX | Edwards, Real | 3 hr |
| May 2, 10:30 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 60 min |
| May 2, 11:13 PM CDT | Severe Thunderstorm Warning | EWX | Real | 47 min |
| May 2, 11:26 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 64 min |
| May 3, 12:07 AM CDT | Flash Flood Warning | EWX | Gillespie | 3 hr |
| May 3, 12:12 AM CDT | Flash Flood Warning | EWX | Bandera, Kerr | 4 hr |
| May 3, 1:38 AM CDT | Flash Flood Warning | EWX | Edwards, Real | 3 hr |
| May 3, 3:35 AM CDT | Flash Flood Warning | EWX | Gillespie | 115 min |
| May 3, 4:09 AM CDT | Flash Flood Warning | EWX | Bandera, Edwards, Kerr, Real | 6 hr |
| May 3, 4:09 AM CDT | Flash Flood Warning | EWX | Kendall | 6 hr |
| May 3, 5:04 AM CDT | Flash Flood Warning | EWX | Blanco | 3 hr |
| May 3, 5:25 AM CDT | Flash Flood Warning | EWX | Gillespie | 3 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990
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.