Alert archive / Texas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 86

March 10, 200048 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Mar 10, 2000, 4:00 PM CST for 48 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 10, 2000, 4:00 PM CST (22:00 UTC)
Expired
Mar 10, 2000, 10:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 48 counties

Anderson County, TX, Austin County, TX, Bandera County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Colorado County, TX, Comal County, TX, Comanche County, TX, Coryell County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fayette County, TX, Freestone County, TX, Gillespie County, TX, Grimes County, TX, Guadalupe County, TX, Hamilton County, TX, Hays County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Johnson County, TX, Kendall County, TX, Lampasas County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, Llano County, TX, Madison County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Navarro County, TX, Robertson County, TX, San Saba County, TX, Smith County, TX, Somervell County, TX, Travis County, TX, Waller County, TX, Washington County, TX, Williamson County, TX

Warnings issued inside it

25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 10, 4:05 PM CSTSevere Thunderstorm WarningFWDCoryell40 min
Mar 10, 4:24 PM CSTSevere Thunderstorm WarningEWXLlano36 min
Mar 10, 4:40 PM CSTSevere Thunderstorm WarningFWDBosque, Hamilton65 min
Mar 10, 4:44 PM CSTSevere Thunderstorm WarningFWDCoryell61 min
Mar 10, 4:57 PM CSTSevere Thunderstorm WarningEWXLlano48 min
Mar 10, 5:07 PM CSTSevere Thunderstorm WarningFWDMcLennan53 min
Mar 10, 5:13 PM CSTSevere Thunderstorm WarningFWDEllis47 min
Mar 10, 5:26 PM CSTTornado WarningEWXLlano49 min
Mar 10, 5:43 PM CSTSevere Thunderstorm WarningFWDBell, Coryell62 min
Mar 10, 5:58 PM CSTSevere Thunderstorm WarningFWDFalls47 min
Mar 10, 6:22 PM CSTTornado WarningFWDBell23 min
Mar 10, 6:40 PM CSTSevere Thunderstorm WarningFWDBell50 min
Mar 10, 6:40 PM CSTSevere Thunderstorm WarningFWDLimestone, Robertson50 min
Mar 10, 6:47 PM CSTSevere Thunderstorm WarningFWDMilam43 min
Mar 10, 7:20 PM CSTSevere Thunderstorm WarningHGXBrazos, Burleson40 min
Mar 10, 7:20 PM CSTSevere Thunderstorm WarningHGXMadison40 min
Mar 10, 7:45 PM CSTTornado WarningHGXBurleson30 min
Mar 10, 7:58 PM CSTSevere Thunderstorm WarningFWDMilam22 min
Mar 10, 7:59 PM CSTTornado WarningHGXGrimes, Walker31 min
Mar 10, 8:14 PM CSTTornado WarningHGXBurleson, Washington46 min
Mar 10, 8:34 PM CSTSevere Thunderstorm WarningEWXLee56 min
Mar 10, 8:56 PM CSTSevere Thunderstorm WarningHGXGrimes, Washington49 min
Mar 10, 9:21 PM CSTSevere Thunderstorm WarningEWXBastrop54 min
Mar 10, 9:30 PM CSTSevere Thunderstorm WarningEWXFayette60 min
Mar 10, 9:50 PM CSTSevere Thunderstorm WarningHGXWaller40 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.0 hours before the alert went out and 238 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, Fort Worth, TX at 12:00Z on 2000-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 12:00Z on 2000-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 306 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1595 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
306 m²/s²
0-3 km storm-relative helicity
401 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

000 
WWUS9 KMKC 102134
MKC WW 102134
TXZ000-110400-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 86
STORM PREDICTION CENTER NORMAN OK
334 PM CST FRI MAR 10 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   CENTRAL TEXAS                              

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 400 PM UNTIL 1000
PM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 100 STATUTE MILES
EAST AND WEST OF A LINE FROM 45 MILES EAST OF SAN ANTONIO TEXAS TO
65 MILES NORTH NORTHEAST OF WACO TEXAS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

OTHER WATCH INFORMATION...  CONTINUE...WW 83...WW 84...WW 85...

DISCUSSION...THUNDERSTORMS ARE RAPIDLY DEVELOPING ALONG DRYLINE.
STEEP LAPSE RATES AND STRONG INSTABILITY WILL FAVOR DAMAGING WINDS
AND HAIL.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM
MOTION VECTOR 25030.


...VESCIO

;322,0950 293,0960R 293,0992 322,0983;

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 10, 5:15 AM CSTSevere Thunderstorm WatchSPCArcher, Clay, Collin, Cooke, Dallas, Delta and 24 more6 hr
Mar 10, 9:45 AM CSTSevere Thunderstorm WatchSPCBell, Bosque, Burnet, Collin, Coryell, Dallas and 35 more5 hr
Mar 10, 4:00 PM CSTSevere Thunderstorm WatchSPCAngelina, Chambers, Fort Bend, Grimes, Hardin, Harris and 16 more6 hr

Nearby

Severe Thunderstorm Watches in Texas, 2000Every severe thunderstorm watch 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; the sounding from the Mesonet's radiosonde archive.