Alert archive / Texas / Tornado Warnings in 2000

Tornado Warning 31, NWS San Angelo, TX

November 2, 2000Mason County, Texas

NWS San Angelo, TX issued this tornado warning at Nov 2, 2000, 3:45 PM CST for Mason County, Texas. It was in force for 30 min. 2 reports 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 2, 2000, 3:45 PM CST (21:45 UTC)
Expired
Nov 2, 2000, 4:15 PM CST
In force
30 min
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Mason County, TX

The radar

The San Angelo radar (KSJT), 139 km from the middle of the area, began a volume at 21:46 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

TimeReportWhereRemark
Nov 2, 3:55 PM CSTHail 1Mason, TX
Nov 2, 4:05 PM CSTHail 1.75Mason, 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 2, 3:00 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.8 hours before the alert went out and 215 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-pSkew-T log-p diagram, Del Rio, TX at 12:00Z on 2000-11-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 463 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2000-11-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
463 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 022146
TORSJT

TXC319-022215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
345 PM CST THU NOV 2 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  MASON COUNTY IN SOUTH CENTRAL TEXAS

* UNTIL 415 PM CST

* AT 341 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 6 MILES SOUTHWEST OF MASON...MOVING NORTHEAST AT
  30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   MASON AT 350 PM CST

MOVE TO AN INTERIOR ROOM OR CLOSET ON THE LOWEST FLOOR OF A STRONG
BUILDING AND STAY AWAY FROM WINDOWS. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY. IF YOU ARE IN A MOBILE HOME OR VEHICLE...EVACUATE AND GET
INSIDE A SUBSTANTIAL SHELTER.

LAT...LON 3070 9943 3057 9928 3071 9899 3093 9911

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.

NWS San Angelo, TX wrote its last area forecast discussion before this tornado warning went out at Nov 2, 2:31 PM CST, 1 hour 14 minutes earlier.

Area forecast discussion, Nov 2, 2:31 PM CST, 1 hour 14 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
231 PM CST THU NOV 2 2000

COLD FRONT STALLED OUT JUST SOUTH OF OUR CWFA...AND APPEARS TO BE
DRIFTING BACK NORTHWARD SLIGHTLY.  SOUTH WINDS HAVE PICKED UP QUITE A BIT
ALOFT...WITH OVERRUNNING ALREADY DEVELOPING THIS AFTERNOON ACROSS THE
SOUTHERN HALF OF WEST CENTRAL TEXAS.  EXPECT THUNDERSTORM ACTIVITY TO
CONTINUE TO DEVELOP AND BECOME MORE WIDESPREAD THROUGH TONIGHT AS
OVERRUNNING INCREASES.  MAY SEE A FEW STRONGER STORMS LATER THIS
AFTERNOON THROUGH THE EVENING...BUT BIGGEST THREAT WILL BE HEAVY RAIN.
UPPER LOW STAYING PARKED ACROSS THE SOUTHWEST THROUGH THE PERIOD WITH A
SERIES OF SHORTWAVES ROTATING AROUND IT INTO WEST TEXAS.  WITH HIGH
PRECIPITABLE WATER VALUES AND TRAINING OF STORMS LIKELY ALONG AND NEAR
THE FRONT...EXPECT HEAVY RAINFALL WITH FLASH FLOODING.  BEST THREAT FOR
HEAVIEST RAIN WILL BE ACROSS THE SOUTHEAST...CLOSER TO THE BOUNDARY.
WILL ISSUE A FLASH FLOOD WATCH TONIGHT THROUGH FRIDAY FOR CONCHO VALLEY
SOUTHWARD...WHERE THE GROUND IS ALREADY PRETTY SATURATED FROM EARLIER
HEAVY RAINFALL.  BIG COUNTRY MAY HAVE TO BE ADDED IF FRONT PULLS FURTHER
TO THE NORTH...BUT WILL LEAVE THAT AREA OUT FOR THE TIME BEING.  EXPECT
LITTLE CHANGE IN THE TEMPERATURES WITH HIGH DEWPOINTS AND CLOUD COVER
KEEPING OVERNIGHT LOWS RATHER WARM AND AFTERNOON HIGHS COOL.  RAIN SHOULD
TAPER OFF A LITTLE FOR SATURDAY...BUT WITH SHORTWAVES CONTINUING TO MOVE
THROUGH THE AREA AND CONTINUED MOISTURE...WILL KEEP SOME RAIN CHANCE
THROUGH THE WEEKEND.

ABI 054/060/047/057 7852
SJT 058/061/047/057 8932
JCT 060/062/046/057 9942

.SJT...FLASH FLOOD WATCH FOR CONCHO VALLEY...HEARTLAND...EDWARDS
PLATEAU...NORTHWEST HILL COUNTRY TONIGHT THROUGH FRIDAY.

RIVER FLOOD WATCH FOR THE SAN SABA...LLANO...AND FOR THE COLORADO
RIVER (BALLINGER SOUTHWARD) T[HROUGH TONIGHT.

08

In the hours before

Special weather statement, Nov 2, 2:06 PM CST, 1 hour 39 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-022355-

WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
206 PM CST THU NOV 2 2000

...NUMEROUS SHOWERS AND NON SEVERE THUNDERSTORMS ARE EXPECTED TO
DEVELOP ACROSS WEST CENTRAL TEXAS THROUGH TONIGHT...

EARLY THIS AFTERNOON...SCATTERED SHOWERS AND THUNDERSTORMS WERE
DEVELOPING ALONG AND SOUTH OF A MERTZON...SAN ANGELO...SAN SABA LINE.
RAINFALL COVERAGE IS EXPECTED TO BECOME WIDESPREAD TONIGHT ACROSS ALL
OF WEST CENTRAL TEXAS...AS ABUNDANT MOISTURE OVER SOUTH TEXAS OVERRUNS
A WEAK COLD FRONT.

WHILE THE ATMOSPHERE WILL BE VERY MOIST...SEVERE THUNDERSTORMS ARE NOT
EXPECTED...AS INSTABILITY WILL BE LIMITED. THE MAIN THREAT WILL BE
HEAVY RAINFALL....MAINLY SOUTH OF A STERLING CITY...COLEMAN...
BROWNWOOD LINE. IN THIS AREA...RAIN AND THUNDERSTORMS TONIGHT WILL BE
SLOW MOVING AND WILL BE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL
AMOUNTS OF 1 TO 4 INCHES.

SPOTTER ACTIVATION MAY BE REQUIRED..

THIS OUTLOOK WILL RESUME SCHEDULED ISSUANCE ON MARCH 15 2001.
HOWEVER... THIS OUTLOOK WILL CONTINUE TO BE ISSUED AS NEEDED WHEN
THUNDERSTORMS THREATEN WEST CENTRAL TEXAS.

04

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 2, 2:42 PM CSTSevere Thunderstorm WarningSJTSchleicher48 min
Nov 2, 2:53 PM CSTSevere Thunderstorm WarningSJTKimble, Mason, Menard52 min
Nov 2, 3:14 PM CSTTornado WarningSJTKimble, Mason, Menard31 min
Nov 2, 4:15 PM CSTSevere Thunderstorm WarningSJTMason30 min
Nov 2, 4:45 PM CSTSevere Thunderstorm WarningSJTRunnels, Taylor45 min
Nov 2, 5:14 PM CSTSevere Thunderstorm WarningSJTSan Saba31 min
Nov 2, 5:27 PM CSTSevere Thunderstorm WarningSJTJones, Taylor48 min

Nearby

Tornado Warnings in Texas, 2000Every tornado warning in 2000Tornadoes 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.