Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 172, NWS Austin/San Antonio, TX

November 5, 2000Bexar County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 5, 2000, 7:36 PM CST for Bexar County, Texas. It was in force for 39 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Nov 5, 2000, 7:36 PM CST (01:36 UTC)
Expired: Nov 5, 2000, 8:15 PM CST
In force: 39 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 64 km from the middle of the area, began a volume at 01:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Nov 5, 7:36 PM CST	Thunderstorm Wind	San Antonio, TX	Widespread damage from severe thunderstorm winds was reported across the central and east sections of Bexar County. The storms blew over numerous trees and power lines, blocking streets and damaging homes. In all, some 54 streets were blocked by the damage.

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 5, 4:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 1.6 hours before the alert went out and 217 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1654 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: -303 m²/s²
0-3 km storm-relative helicity: -83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

005 
WUUS54 KEWX 060136
SVRSAT
TXC029-060215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
736 PM CST SUN NOV 5 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  BEXAR COUNTY

* UNTIL 815 PM CST

* AT 736 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTHWEST OF LEON SPRINGS...OR ABOUT 6
  MILES SOUTHEAST OF BOERNE...MOVING NORTHEAST AT 30 MPH.


LAT...LON 2926 9880 2919 9846 2942 9828 2971 9853
          2969 9873

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.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 5, 6:33 PM CST, 1 hour 3 minutes earlier.

Area forecast discussion, Nov 5, 6:33 PM CST, 1 hour 3 minutes before

SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
633 PM CST SUN NOV 5 2000

RAIN WITH SHRA AND TSRA CONTG ACROSS AREA TONIGHT...WITH SVR WX
AND FLASH FLOODING RISK IN PLACE.  DRIER WX STILL EXPECTED
MONDAY...FOLLOWED BY PTCLDY SKIES TUE...THEN INCREASING
CLOUDS LATE TURNING CLDY TUE NIGHT.  GOOD CHC OF RAIN
FM SHRA AND TSRA EXPECTED WED.  RAIN MAY LINGER INTO
WED NIGHT AND THURSDAY MORNING.  CLEARING POSSIBLE LATE
THURSDAY OR THURSDAY NIGHT.  PTCLDY SKIES FRIDAY.
STILL LOOKS LIKE PSBL RAIN NEXT WEEKEND...VETERANS
DAY WEEKEND.  COLDER WEATHER POSSIBLE THE WEEK AFTER
VETERANS DAY WEEKEND...IN THE MID TO LATE PART OF THAT
WEEK.

.PRELIMINARY NUMBERS...
AUS 059/076/050/075 91--
SAT 061/076/052/075 91--
DRT 056/078/055/076 5---

.EWX...FLASH FLOOD WATCH SOUTH CENTRAL TEXAS AND HILL COUNTRY
       TONIGHT.
       TORNADO WATCH FOR LARGE PART OF S CNTRL TX TIL 010 PM CST.

08/03

In the hours before

Special weather statement, Nov 5, 6:24 PM CST, 1 hour 12 minutes before

TXZ171>173-183>194-202>209-217>225-228-060230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
624 PM CST SUN NOV 5 2000

...TORNADO WATCH FOR THE HILL COUNTRY AND A LARGE PART OF SOUTH
CENTRAL TEXAS TIL 10 PM...
...FLASH FLOOD WATCH FOR THE HILL COUNTRY AND MOSTLY OF
SOUTH CENTRAL TEXAS TONIGHT...

STORMY WEATHER TONIGHT WITH SHOWERS AND THUNDERSTORMS...SOME
SEVERE AND LOCALLY HEAVY RAIN WILL CONTINUE.  FOR MONDAY...
THUNDERSTORMS ENDING EARLY AND BECOMING MOSTLY SUNNY TO
PARTLY CLOUDY IN THE DAY.

FOR TUESDAY...ELECTION DAY 2000...PARTLY CLOUDY SKIES ARE EXPECTED
FOLLOWED BY INCREASING CLOUDS LATE IN THE DAY TURNING MOSTLY
CLOUDY TUESDAY NIGHT.

ON WEDNESDAY ANOTHER WEATHER SYSTEM IS EXPECTED TO MOVE IN
FROM THE WEST.  AS A RESULT MOSTLY CLOUDY SKIES ARE EXPECTED FOR
WEDNESDAY WITH A GOOD CHANCE OF SHOWERS AND THUNDERSTORMS.  RAINS
WITH SHOWERS AND THUNDERSTORMS MAY LINGER INTO WlEDNESDAY NIGHT
AND THURSDAY MORNING.  PARTLY CLOUDY SKIES WITH RAIN ENDING
IS POSSIBLY BY THURSDAY NIGHT.

BY FRIDAY...PARTLY CLOUDY SKIES ARE EXPECTED...TURNING MOSTLY
CLOUDY FRIDAY NIGHT...FOLLOWED BY A CHANCE OF RAIN SATURDAY.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 5, 6:35 PM CST	Flash Flood Warning	EWX	Atascosa, Bexar, Frio	4 hr
Nov 5, 7:04 PM CST	Flash Flood Warning	EWX	Comal, Hays, Travis, Williamson	4 hr
Nov 5, 8:05 PM CST	Severe Thunderstorm Warning	EWX	Comal, Guadalupe	55 min
Nov 5, 8:24 PM CST	Severe Thunderstorm Warning	EWX	Caldwell, Gonzales	81 min
Nov 5, 8:34 PM CST	Flash Flood Warning	EWX	Bastrop, Caldwell, DeWitt, Fayette, Gonzales, Lavaca and 1 more	4 hr
Nov 5, 8:48 PM CST	Severe Thunderstorm Warning	EWX	Bastrop	57 min
Nov 5, 9:06 PM CST	Severe Thunderstorm Warning	EWX	Fayette, Lavaca	54 min
Nov 5, 11:52 PM CST	Flash Flood Warning	EWX	Bastrop, DeWitt, Fayette, Gonzales, Lavaca, Lee	3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2000 Every severe thunderstorm warning in 2000

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; radar from the NEXRAD Level II archive.