Alert archive / Texas / Flash Flood Warnings in 1999

Flash Flood Warning 8, NWS Corpus Christi, TX

August 22, 1999Kleberg County, Nueces County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Aug 22, 1999, 5:15 PM CDT for Kleberg County, Nueces County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 22, 1999, 5:15 PM CDT (22:15 UTC)
Expired
Aug 22, 1999, 9:15 PM CDT
In force
4 hr
Issued by
NWS Corpus Christi, TX
Area
Whole counties

Counties Kleberg County, TX, Nueces County, TX

The radar

The Corpus Christi radar (KCRP), 24 km from the middle of the area, began a volume at 22:17 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 nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.3 hours before the alert went out and 30 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 1999-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2377 joules per kilogram.LCLLFCEL10008507005003002001001 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, Corpus Christi, TX at 12:00Z on 1999-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
2377 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
705 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Aug 22, 3:00 PM CDT, 2 hours 15 minutes earlier.

Area forecast discussion, Aug 22, 3:00 PM CDT, 2 hours 15 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
300 PM CDT SUN AUG 22 1999

BEST FORECAST TOOL RIGHT NOW IS RADAR...FORGET THE SHORT-TERM MODELS.
AT THIS TIME...IT APPEARS THAT BRET WILL SPARE CORPUS WITH A DIRECT
HIT.  MAY GO AS FAR NORTH AS BAFFIN BAY...BUT LOOKS EVEN SOUTH OF
THAT. WILL WAIT FOR HPC ON WIND FORECAST...BUT IT LOOKS LIKE WINDS
CAN BE DECREASED AT THIS TIME.  WILL LIKELY NEED THE HURRICANE
WARNING THOUGH FOR THIS EVENING...ESPECIALLY FOR THE SOUTH.  EXPECT
CATAGOICAL RAINS THROUGH 1ST TWO PERIODS...WITH POPS ONLY SLIGHTLY
LOWER EAST AS BRET MOVES INLAND.  BRET WILL LIKELY BE AROUND AT
LEAST THROUGH WEDNESDAY NIGHT OVER THE WEST...SO WILL ONLY LOWER
POPS EASTERN SECTIONS.  WILL LIKELY KEEP THE FORECAST DRY FOR NOW ON
SUNDAY.

MARINE...WILL FOLLOW CLOSLY WITH HPCS WIND FORECAST...DIMINISHING
WINDS THROUGH THE PERIOD.

UPDATE ON AFD WILL ONLY OCCUR IF CHANGE IS MADE TO WARNINGS/WATCHES.

CRP TT 077/082 075/086 075 ++97
NGP    078/083 078/086 078
VCT TT 075/086 075/089 075 9975
LRD TT 074/092 074/092 075 9++8
COT TT 075/085 076/086 076 8++8

.CRP...HURRICANE WARNING BETWEEN BAFFIN BAY AND PORT OCONNOR.
       FLOOD AND FLASH FLOOD WATCH FOR TXZ229>234 AND TXZ240>247
       THROUGH MONDAY.
       HIGH WIND WARNING FOR TXZ239>241 AND TXZ229>234 FOR TONIGHT.
       TORNADO WATCH ALL ZONES EXCEPT WEBB AND LASALLE COUNTIES TIL
       2 AM CDT.

86/GW (LAND)...72/AP (MAR) ET AL...

In the hours before

Special weather statement, Aug 22, 2:00 PM CDT, 3 hours 15 minutes before
TXZ230>234-240>247-230700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
200 PM CDT SUN AUG 22 1999

...TORNADO WATCH IN EFFECT FOR SOUTH TEXAS THROUGH TONIGHT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH IN EFFECT
ACROSS PORTIONS OF SOUTH TEXAS UNTIL 2 AM MONDAY MORNING.

THE WATCH IS PRIMARILY CONCENTRATED OVER THE COASTAL BEND...INCLUDING
THE FOLLOWING COUNTIES...KLEBERG...NUECES...SAN PATRICIO...REFUGIO...
ARANSAS...JIM WELLS...DUVAL...LASALLE...LIVE OAK...BEE...GOLIAD...
VICTORIA...AND CALHOUN...AS WELL AS THE ADJACENT COASTAL WATERS.

DUE TO THE APPROACH OF THE DANGEROUS HURRICANE BRET...ATMOSPHERIC
CONDITIONS HAVE BECOME INCREASINGLY FAVORABLE FOR THE FORMATION OF
TORNADOES.

IN ADDITION TO THE THREAT OF TORNADOES IN THE OUTER HURRICANE
SQUALLS...TORRENTIAL DOWNPOURS...FLOODING...AND DANGEROUS WIND GUSTS
ARE EXPECTED THROUGHOUT THE DAY AS HURRICANE BRET MOVES INLAND.

RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT TO THE NATIONAL
WEATHER SERVICE FOR THE LATEST WEATHER INFORMATION AND POSSIBLE
WARNINGS DURING THIS DANGEROUS HURRICANE SITUATION.

LAMARRE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 6:14 PM CDTTornado WarningCRPNueces31 min

Nearby

Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999

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.