Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 36, NWS Corpus Christi, TX

June 15, 1997Webb County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jun 15, 1997, 3:12 AM CDT for Webb County, Texas. It was in force for 3 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
Jun 15, 1997, 3:12 AM CDT (08:12 UTC)
Expired
Jun 15, 1997, 6:15 AM CDT
In force
3 hr
Issued by
NWS Corpus Christi, TX
Area
Whole counties

County Webb County, TX

The radar

The Corpus Christi radar (KCRP), 179 km from the middle of the area, began a volume at 08:16 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 00:00Z, 8.2 hours before the alert went out and 196 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 00:00Z on 1997-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4284 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 00:00Z on 1997-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
4284 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
677 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRP 150813
FFWCRP
TXC479-151115-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
312 AM CDT SUN JUN 15 1997
 
THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  615 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY......
 
IN SOUTH CENTRAL TEXAS
 
   ...WEBB COUNTY
 
...VERY HEAVY RAINFALL IN WEBB COUNTY...
 
DOPPLER RADAR WAS INDICATING SHOWERS AND THUNDERSTORMS IN WEBB COUNTY
MOVING EAST AT 20 MPH.  THESE SHOWERS AND THUNDERSTORMS ARE PRODUCING
VERY HEAVY RAINFALL.  DOPPLER RADAR ONE HOUR PRECIPITATION AMOUNTS WERE
1.75 INCHES.  RESIDENTS IN LOW LYING AREAS SHOULD BE READY TO SEEK
HIGHER GROUND IF FLOODING IS OBSERVED IN YOUR AREA.
 
THE LAREDO SHERRIFS OFFICE AND DPS HAVE REPORTED GUSTY WINDS AND VERY
HEAVY RAINFALL NOW MOVING INTO THE CITY.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLAS(H FLOODING IS
OBSERVED...ACT QUICKLY. MOVE TO HIGH GROUND. DO NOT STAY IN
AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 Jun 15, 2:38 AM CDT, 34 minutes earlier.

Area forecast discussion, Jun 15, 2:38 AM CDT, 34 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
235 AM CDT SUN JUN 15 1997

KCRP 88D SHOWING SHRA/TSRA OVER W/NW SECTIONS OF THE FA THIS AM.
STRONGEST TSRA REMAIN W AND NW OF THE FA ATTM.  WITH MOVMT TO THE E
SOME OF THIS PCPN WILL LIKELY MAKE IT FURTHER INTO THE WESTERN AND
NORTHERN SECTIONS OF THE CWA.  SO FAR JUST LGT PCPN FROM REPORTS WE
HAVE RECEIVED.  BEST LOOKING STORM CURRENTLY IS W OF COT.  AFTER THIS
ROUND AREA WILL LIKELY GO BACK TO SEEING ONLY WIDELY SCT OR ISOLATED
CONVECTION WITH H5 RIDGE REMAINING IN PLACE.

MOST OF THE FA AND SEEP S TX WILL REMAIN UNDER THE INFLUENCE OF THE
H5 RIDGE THRU THE FCST PERIOD.  RIDGE ACTUALLY LOOKS TO BUILD AGAIN
OVER THE AREA DURING THE MIDDLE PART OF NEXT WEEK.  THIS SHD KEEP
PCPN AT A MINIMUM AND TEMPS RIGHT WHERE THEY SHD BE FOR MID TO LATE
JUNE.  H5 LOW OVER THE SW MOVES TO THE E AND BEGINS TO WEAKEN.  BY
00Z TUE THE MODELS BRING THE LOW TO THE TX PANHANDLE.  CROSS SECTION
DATA SHOWS BEST VVELS FOR CRP/VCT THRU 12Z THIS AM...SAME AT LRD THEN
ADDITIONAL UVM FROM 18Z MON TO 00Z TUE.  BY 00Z MON DRIER AIR WAS
NOTED FROM H8 UP AT CRP.  LRD AND VCT DO NOT LOOK AS DRY.  PWAT
VALUES WERE NEAR 2 INCHES ON THE 00Z SOUNDING.  PWAT FCST TO REMAIN
1.60 OR GREATER THRU 48 HRS WITH THE ONE EXCEPTION OF 1.40 AT 12Z
MON.  BEST THTE VALUES CONTINUE OUT WEST AND INTO NORTH CENTRAL TX
ALONG THE WESTERN PERIPHERY OF H5 RIDGE.  A LLJ WAS NOTED OVER THE
AREA FROM 18Z SUN THRU 12Z MON.  THIS SHD INSURE AT LEAST BREEZY
CONDITIONS DURING THE AFTERNOONS.  H7 TEMPS REMAIN HIGH AND THIS WILL
HELP INSURE A CAP ON MOST CONVECTION.  H7 TEMPS REMAIN AT OR ABOVE 12
DEG C THRU 48 HRS.  LG AREA OF 14 DEG C OVER MOST OF DEEP S TX THRU
48 HRS.  ATMOSPHERE REMAINED UNSTABLE WITH LI OF -6...CAPES OF 4350
AND K INDEX OF 21.  CAP WAS DOWN TO 3 DEG C.

MARINE DATA: BUOY OFFSHORE SE WND 10 KTS...SEAS 2 FT.

TODAY...MOSTLY CLDY WITH % CHC FOR SHRA/TSRA THIS MORNING...BECMG P/C
DURING THE AFTERNOON.  SE WNDS 15 TO 20 MPH AND GUSTY.  LRD VRBL WND
10 TO 15 MPH THIS AM...BECMG SE 15 TO 20 AND GUSTY.

TONIGHT...P/C.  SE WND NEAR 10 MPH FOR VCT...SE 10 TO 15 MPH CRP...15
TO 20 MPH FOR LRD.

MON...P/C.  SE WND 15 TO( 20 MPH AND GUSTY.

CRP  BB  090/077/092/077  2/1/1/0
NGP  BB  088/080/089/080
LRD  BB  103/079/104/078  3/2/1/0
VCT  BB  090/076/092/076  2/1/1/0

MSL...73

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 2:53 AM CDTFlash Flood WarningCRPLa Salle3 hr
Jun 15, 6:08 AM CDTFlash Flood WarningCRPLa Salle3 hr
Jun 15, 6:12 AM CDTFlash Flood WarningCRPWebb3 hr

Nearby

Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997

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.