Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 6, NWS Corpus Christi, TX

November 15, 2001Nueces County, Texas

NWS Corpus Christi, TX issued this tornado warning at Nov 15, 2001, 11:45 AM CST for Nueces County, Texas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 15, 2001, 11:45 AM CST (17:45 UTC)
Expired
Nov 15, 2001, 12:30 PM CST
In force
45 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties

County Nueces County, TX

The radar

The Corpus Christi radar (KCRP), 5 km from the middle of the area, began a volume at 17:47 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Nov 15, 11:45 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 5.8 hours before the alert went out and 17 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, Corpus Christi, TX at 12:00Z on 2001-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2181 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2001-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.193958Sfc1 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
2181 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

520 
WFUS54 KCRP 151744
TORCRP
TXC355-151830-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1145 AM CST THU NOV 15 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL NUECES COUNTY IN TEXAS

* UNTIL 1230 PM CST

* AT 1141 AM CST...A PUBLIC REPORT OF A TORNADO ABOUT 3 MILES EAST   
  OF ROBSTOWN...DOPPLER RADAR ALSO SHOWS A DEVELOPING                
  TORNADO...MOVING NORTH AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CROSS I-37 JUST WEST OF CALALLEN AROUND NOON CST...

THIS IS A DANGEROUS STORM. MOVE INTO YOUR TORNADO SHELTER NOW

&

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 Corpus Christi, TX wrote its last area forecast discussion before this tornado warning went out at Nov 15, 10:00 AM CST, 1 hour 45 minutes earlier.

Area forecast discussion, Nov 15, 10:00 AM CST, 1 hour 45 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1000 AM CST THU NOV 15 2001

ATMOS OVER SOUTH TEXAS QUITE MOIST AND UNSTABLE THIS MORNING. 12Z
CRP SOUNDING REVEALED CAPES AROUND 2000 J/KG AND PWATS 1.50 INCHES.
CURRENT DOPPLER VAD WIND PROFILE CONTINUES TO SHOW STRONG VERT WIND
SHEAR WHICH WILL SUPPORT ORGANIZED STORMS AND ISOLATED TORNADOES.
WET BULB ZERO VALUES ARE HIGHER TODAY VERSES YESTERDAY...THEREFORE
OUR HAIL THRESHOLDS SHOULD BE A BIT HIGHER. SPC CONSIDERING A WW FOR
OUR AREA...WILL CONTINUE TO WATCH THIS CLOSELY.

RADAR ALREADY SHOWING CONVECTION FIRING ALONG THE MOISTURE/THERMAL
AXIS EXTENDING NORTHWEST INTO THE LOW OVER THE WRN HILL COUNTRY. WV
SHOWS SPOKE OF VORTICITY SWINGING THROUGH...12Z MODELS SHOW STRONG
OMEGA DEVELOPING OVER MOST OF THE REGION CENTERED ALG THE MOISURE
AXIS. THEREFORE HEAVY RAINS AND FLOODING ARE LIKELY. CURRENT FCST
LOOKS GOOD. FFA IS IN EFFECT WITH MAIN FOCUS AREAS OVER JIM WELLS
AND NORTHERN LIVE OAK COUNTY...WHERE 8-16 INCHES OF RAIN FELL
YESTERDAY.

HYDROLOGY...MAIN POINT OF CONCERN IS ATASCOSA RIVER AT WHITSETT AND
NUECES AT THREE RIVERS. LATEST RFC FCST CALLS FOR A MAJOR FLOOD AT
THREE RIVERS AROUND MIDDAY SATURDAY.

NO CHANGES TO CURRENT FCST PACKAGE.

75/71

.CRP...FFA ALL ZONES TXZ229>234-239>247.

In the hours before

Special weather statement, Nov 15, 6:13 AM CST, 5 hours 32 minutes before
TXZ229>234-239>247-160000-

SOUTH TEXAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
613 AM CST THU NOV 15 2001

...STRONG THUNDERSTORMS POSSIBLE TODAY AND TONIGHT...

A NEARLY STATIONARY UPPER LEVEL LOW...CENTERED OVER FAR WEST
TEXAS...WILL COMBINE WITH MOISTURE AND INSTABILITY TO PRODUCE
NUMEROUS SHOWERS AND THUNDERSTORMS TODAY AND TONIGHT OVER THE TEXAS
COASTAL BEND AND THE RIO GRANDE PLAINS.

SOME OF THESE STORMS MAY BECOME STRONG...WITH GUSTY WINDS UP TO 50
MPH AND HAIL. IN ADDITION...HEAVY RAINFALL IS LIKELY AND A FLASH
FLOOD WATCH IS IN EFFECT FOR TODAY AND TONIGHT FOR THE TEXAS COASTAL
BEND AND THE RIO GRANDE PLAINS.

RESIDENTS ACROSS SOUTH TEXAS SHOULD CLOSELY MONITOR THIS DEVELOPING
WEATHER SITUATION AND BE ALERT TO RAPIDLY CHANGING WEATHER
CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR TELEVISION
FOR THE LATEST WEATHER INFORMATION.

WC
Special weather statement, Nov 15, 10:30 AM CST, 1 hour 15 minutes before
TXZ229>234-239>247-160300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1030 AM CST THU NOV 15 2001

...SLIGHT THREAT OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT...

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE COASTAL
BEND THIS AFTERNOON AND TONIGHT. BECAUSE THE ATMOSPHERE IS VERY
UNSTABLE AND THE WIND SHEAR IS STRONG...A FEW STORMS COULD BECOME
SEVERE...WITH WIND GUSTS OVER 60 MPH AND LARGE HAIL. AN ISOLATED
TORNADO IS ALSO POSSIBLE.

THE GREATEST CONCERN FOR TODAY HOWEVER IS FLOODING. THE SHOWERS AND
THUNDERSTORMS ARE EXPECTED TO REDEVELOP OVER THE SAME AREAS BRINGING
A THREAT OF FLASH FLOODING. RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE
LIKELY...MAINLY OVER CENTRAL PORTIONS OF THE COASTAL BEND...WITH
LOCALLY HIGHER AMOUNTS POSSIBLE.

RESIDENTS ACROSS SOUTH TEXAS SHOULD CLOSELY MONITOR THIS DEVELOPING
WEATHER SITUATION AND BE ALERT TO RAPIDLY CHANGING WEATHER
CONDITIONS.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR TELEVISION
FOR THE LATEST WEATHER INFORMATION.

The office that day

Everything else NWS Corpus Christi, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 14, 6:00 PM CSTTornado WarningCRPKleberg60 min
Nov 14, 6:35 PM CSTFlash Flood WarningCRPJim Wells, McMullen3 hr
Nov 14, 7:04 PM CSTSevere Thunderstorm WarningCRPMcMullen56 min
Nov 14, 7:09 PM CSTSevere Thunderstorm WarningCRPKleberg51 min
Nov 14, 7:47 PM CSTFlash Flood WarningCRPKleberg3 hr
Nov 14, 8:03 PM CSTSevere Thunderstorm WarningCRPKleberg, Nueces42 min
Nov 14, 9:35 PM CSTFlash Flood WarningCRPLive Oak, McMullen3 hr
Nov 14, 9:49 PM CSTSevere Thunderstorm WarningCRPLive Oak56 min
Nov 15, 12:21 PM CSTTornado WarningCRPSan Patricio39 min
Nov 15, 12:46 PM CSTSpecial Marine WarningCRP59 min
Nov 15, 12:46 PM CSTSpecial Marine WarningCRP59 min
Nov 15, 12:46 PM CSTSpecial Marine WarningCRP59 min
Nov 15, 1:06 PM CSTFlash Flood WarningCRPMcMullen3 hr
Nov 15, 1:40 PM CSTSpecial Marine WarningCRP65 min
Nov 15, 1:40 PM CSTSpecial Marine WarningCRP65 min
Nov 15, 1:40 PM CSTSpecial Marine WarningCRP65 min
Nov 15, 2:03 PM CSTFlash Flood WarningCRPLive Oak3 hr
Nov 15, 2:44 PM CSTTornado WarningCRPLive Oak31 min
Nov 15, 3:24 PM CSTSevere Thunderstorm WarningCRPLive Oak66 min
Nov 15, 3:37 PM CSTFlash Flood WarningCRPBee3 hr
Nov 15, 3:43 PM CSTSevere Thunderstorm WarningCRPBee62 min
Nov 15, 3:53 PM CSTTornado WarningCRPBee37 min
Nov 15, 4:30 PM CSTTornado WarningCRPBee30 min
Nov 15, 5:00 PM CSTTornado WarningCRPGoliad30 min
Nov 15, 5:03 PM CSTTornado WarningCRPBee27 min
Nov 15, 5:17 PM CSTFlash Flood WarningCRPGoliad3 hr
Nov 15, 5:27 PM CSTTornado WarningCRPDuval33 min
Nov 15, 5:34 PM CSTTornado WarningCRPLive Oak41 min
Nov 15, 5:37 PM CSTFlash Flood WarningCRPLive Oak, McMullen3 hr
Nov 15, 5:55 PM CSTSevere Thunderstorm WarningCRPGoliad65 min

Nearby

Tornado Warnings in Texas, 2001Every tornado warning in 2001Tornadoes in 2001

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; radar from the NEXRAD Level II archive.