Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 25, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at Jul 27, 2000, 4:21 PM CDT for Goliad County, Texas. It was in force for 39 min. 2 reports 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
- Jul 27, 2000, 4:21 PM CDT (21:21 UTC)
- Expired
- Jul 27, 2000, 5:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Whole counties
County Goliad County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 27, 4:45 PM CDT | Hail 1.75 | Goliad, TX | |
| Jul 27, 4:45 PM CDT | Thunderstorm Wind 60 E | Goliad, TX | Thunderstorm wind gust downed a utility pole along FM 239. |
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 nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 9.4 hours before the alert went out and 103 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
- 2895 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
477 WUUS54 KCRP 272122 SVRCRP TXC175-272200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 421 PM CDT THU JUL 27 2000 THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL GOLIAD COUNTY IN TEXAS * UNTIL 500 PM CDT * AT 415 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHEAST OF CHARCO...OR ABOUT 22 MILES NORTHEAST OF BEEVILLE...MOVING WEST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 5 MILES SOUTH OF CHARCO AROUND 445 PM CDT... THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING... HAIL UP TO THE SIZE OF NICKELS... DAMAGING WINDS GREATER THAN 60 MILES AN HOUR... VERY FREQUENT AND DEADLY CLOUD-TO-GROUND LIGHTNING...
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 Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 27, 2:25 PM CDT, 1 hour 56 minutes earlier.
Area forecast discussion, Jul 27, 2:25 PM CDT, 1 hour 56 minutes before
COASTAL BEND FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 225 PM CDT THU JUL 27 2000 SYNOPSIS: A WEAK COLD FRONT WILL SAG SOUTHEAST ACROSS TX WHILE A SFC ANTICYCLONE PERSISTS OVER THE GLFMEX THRU THE PERIOD. THE GLFMEX 500HPA TROF AXIS WILL SLOWLY RETROGRADE THRU THE PERIOD. PRECIPITATION: GLFMEX 500HPA TROF AXIS CURRENTLY DEPICTED BEST BY THE AVN AND WILL ACCEPT ITS SOLUTION OF BRINGING IT ASHORE FRIDAY AFTERNOON. TROPOSPHERIC FLOW WILL THEN BECOME ONSHORE THROUGH A DEEPER LAYER. VORTMAX CURRENTLY NEAR HGX COASTLINE DEPICTED BEST BY AVN AND WILL BE SOUTH OF CRP CWA FRIDAY. BELIEVE THAT THE ANTICYCLONIC VORTICITY ADVECTION BEHIND THIS FEATURE IS THE REASON THE MODEL PWATS DO NOT INCREASE SIGNIFICANTLY FRIDAY. ANOTHER UPSTREAM VORTMAX ALONG THE MO/AR BORDER IS DAMPENED BY THE MODELS AND THIS IS REASONABLE GIVEN CURRENT WATER VAPOR IMAGES AND EVOLVING 500HPA FLOW. EVEN THOUGH BOUNDARY LAYER MOISTURE/FORCING IS MARGINAL ON FRIDAY WILL RETAIN A DE-EMPHASIZED <20 POP. THE DEEPER ONSHORE TROPOSPHERIC FLOW WILL RESULT IN MORE RESPECTABLE PWATS ON SATURDAY. BOUNDARY LAYER MOISTURE/FORCING IS STILL MARGINAL BUT SOME UPPER LEVEL DIFFLUENCE AND THE NEARNESS OF A 500HPA DEFORMATION ZONE MAY PARTIALLY OFFSET THIS. ACCEPT THE IDEA THAT SATURDAY WILL BE THE BETTER DAY FOR CONVECTION BUT WILL CARRY NO GREATER THAN A 20 POP. CLOUDS: CROSS-SECTIONS GENERALLY SUGGEST PARTLY CLOUDY SKIES THRU THE PERIOD WITH SOME MINOR VARIATIONS ON THAT THEME. WIND: PGRAD/THERMAL LOW/DIURNAL EFFECTS WILL ALLOW FOR WINDS TO INCREASE TO 15-20 MPH AND GUSTY DURING THE LATE AFTERNOON/EVENING HOURS OVER MOST LOCALES. TEMPERATURES: A SLIGHT DECREASE IN 850HPA TEMPERATURES AND 1000-850HPA THICKNESSES WILL NOT HAVE A PROFOUND EFFECT UPON SFC TEMPERATURES. ALTHOUGH MODELS ADVERTISE A RATHER DRY COLUMN TONIGHT THE 1000HPA LAPSE RATES REMAIN UNSTABLE AND SUGGEST GUIDANCE TEMPERATURES ARE A TAD TOO COOL. WILL CONTINUE TO ABOVE GUIDANCE MAXES AS VERY DRY SOIL IS MAKING A SIGNIFICANT IMPACT. EXTENDED: OUTFLOW BOUNDARIES FROM CONVECTION INITIATED BY WEAK COLD FRONT TO THE NORTH MAY AFFECT CRP CWA(ESPECIALLY NE PORTION) BUT WILL CONTINUE TO EXCLUDE POPS ATTM SINCE MESOSCALE PHENOMENA CAN CHANGE DRAMATICALLY FROM DAY-TO-DAY. MARINE...WEAK TO MODERATE ONSHORE FLOW WILL PREVAIL THROUGH FRIDAY NIGHT AS HIGH PRESSURE DOMINATES THE GULF. AN UPR TROF WILL MOVE STEADILY INLAND THROUGH SATURDAY BRINGING INCREASING SHOWERS TO THE COASTAL WATERS. WINDS INCREASE A NOTCH TO SCEC CRITERIA FOR SAT AND SUN IN THE WAKE OF THE TROF. THE CHANCE FOR SHOWERS AND TSRA WILL LINGER INTO SATURDAY AS A DEEP SLY FLOW BRINGS A LITTLE MORE TPCL MOISTURE INTO THE TX COASTAL WATERS. PRELIMINARY NUMBERS: CRP BB 075/098 075/096 075 8501- VCT BB 074/098 074/096 074 85010 LRD BB 077/100 077/100 077 85010 .CRP...NONE. (SYN)...85/BB (MESO)...75/JM
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 5:15 PM CDT | Flash Flood Warning | CRP | Jim Wells, Nueces | 75 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every 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.