Flash Flooding in Texas, November 4, 2002

Name: Flash Flooding in Texas, November 4, 2002
Start: 2002-11-04T02:23
End: 2002-11-04T12:19
Location: Texas

November 4, 2002 · NWS CRP · 2 events in 1 county or zone

2 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Nov 3, 8:40 PM CST, 5 hours 43 minutes earlier.

Area forecast discussion, Nov 3, 8:40 PM CST, 5 hours 43 minutes before

COASTAL BEND FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
840 PM CST SUN NOV 3 2002

PRECIPITATION DEVELOPING ALONG FRONTAL BOUNDARY WHERE GOOD
CONVERGENCE IS GOING ON.  SATELLITE SHOWING FIRST BAND OF SHOWERS
AND THUNDERSTORMS WHICH DEVELOPED IN THE GULF STARTING TO MOVE OUT
OF AREA...BUT MORE RAIN IS ON THE WAY.  BEST INSTABILITY REMAINS IN
THE GULF WATERS...AND HEAVIEST RAINFALL HAS BEEN FALLING THERE.
HOWEVER...DEEPER CONVECTION HAS BEEN DEVELOPING FURTHER SOUTH AND
MOVING TOWARD OUR AREA.  SINCE WE HAVE HAD SO MUCH RAIN IN THE PAST
SEVERAL DAYS...WILL NOT HESITATE BUT ISSUE A FLASH FLOOD WATCH FOR
THE COASTAL COUNTIES FOR TONIGHT.  MID SHIFT CAN RE-EVALUATE AND
EXTEND IF NECESSARY.  WILL MENTION THUNDER AS WELL TONIGHT.

FRONT CONTINUES TO SEEP DOWN AND IS IN DEEP SOUTH TEXAS.  DO NOT
EXPECT A NORTHWARD MOVEMENT TONIGHT AND BASED ON CURRENT
TEMPS...WILL LOWER OVERNIGHT LOWS IN A FEW LOCATIONS...MAINLY
COASTAL SECTIONS.  ALSO ADJUSTED WINDS SOME.  WITH RAIN PRETTY SURE
TOMORROW AND TOMORROW NIGHT...WILL NOT MAKE CHANGES TO LATER PERIODS
AT THIS TIME.

MARINE...PRESSURES CONTINUE TO RISE OVER INLAND AREAS AS HIGH
PRESSURE SINKS SWD.  THIS TREND WL CONTINUE OVERNIGHT AS A 4-5 MB
GRADIENT MAINTAINS ITSELF OVER THE WATERS AS THE FNTL BNDRY SLIPS
SWD.  GIVEN THIS AND THE LATEST OBSERVATIONS...WL HOIST AN SCA FOR
ALL WATERS FOR TNT.  EXCELLENT MOISTURE CONVERGENCE...FNTL FORCING
AND WK UPR DIVERGENCE WL MAINTAIN HIGH POPS TNT AND BEYOND.  HIGHER
THAN NORMAL TIDES WL CONTINUE THROUGH MON.  MAY NEED TO CONSIDER A
POSSIBLE CFW FOR MON GIVEN THE HIGH ASTRONOMICAL HIGH TIDES.  IT WL
BE BORDERLINE.

.CRP...SCA GMZ230-235-250-255-270-275.
       FLASH FLOOD WATCH TXZ234-242>244-245>247

86/GW...80/MB

Hazardous weather outlook, Nov 3, 12:00 PM CST, 14 hours 23 minutes before

TXZ229>234-239>247-041200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
1200 PM CST SUN NOV 3 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS.

.DAY ONE...
PATCHY LIGHT RAIN IS EXPECTED ACROSS THE COASTAL AND ADJACENT
COUNTIES OF SOUTH TEXAS THIS AFTERNOON. LATER TONIGHT SCATTERED
AREAS OF RAIN WILL EXPAND TO INCLUDE THE RIO GRANDE PLAINS AND THE
VICTORIA CROSSROADS AREAS. RAINFALL AMOUNTS OF AROUND ONE-HALF AN
INCH ARE POSSIBLE. NO HAZARDOUS WEATHER IS EXPECTED TODAY OR TONIGHT.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT.

.DAYS TWO THROUGH SEVEN...

A HEAVY RAIN EVENT IS SHAPING UP FOR MONDAY AND TUESDAY AS DEEP
TROPICAL MOISTURE SPREADS INTO SOUTH TEXAS FROM THE GULF OF
MEXICO...AND INTERACTS WITH A STATIONARY FRONTAL BOUNDARY DRAPED
ACROSS THE AREA. IN ADDITION...A SERIES OF STRONG UPPER LEVEL
DISTURBANCES TRACK FROM MEXICO INTO SOUTH TEXAS...WHICH WILL ENHANCE
THE POTENTIAL FOR HEAVY RAINFALL.  RAINFALL AMOUNTS THROUGH TUESDAY
COULD TOTAL 3 TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS. A FLASH FLOOD
WATCH WILL LIKELY BE ISSUED FOR THIS EVENT. EMERGENCY MANAGERS AND
STORM SPOTTERS SHOULD PREPARE FOR POSSIBLE ACTIVATION TO RELAY
RAINFALL AND FLOODING REPORTS.

78

The radar

The Corpus Christi radar (KCRP), 114 km away, was scanning. The volume nearest the first event began at 08:23 UTC.

Open the radar archive at this moment

Event by event

2 flash flood. Local standard time, as filed.

Flash Flood, Calhoun

When: November 4, 2:23 AM CST to 3:23 AM CST
Where: Calhoun County, Central Portion
Reported by: GOVT OFFICIAL
Coordinates: 28.439, -96.615 (the zone’s center; the record gives no point)

Flash Flood, Calhoun

When: November 4, 11:19 AM CST to 12:19 PM CST
Where: Calhoun County, North Portion
Reported by: GENERAL PUBLIC
Coordinates: 28.439, -96.615 (the zone’s center; the record gives no point)

What these are

Flash Flood: Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Texas in 2002 Every state in 2002 This day in weather history Warnings in Texas, November 2002

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5323406, 5323405.