Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 37, NWS Corpus Christi, TX

June 15, 1997La Salle County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jun 15, 1997, 6:08 AM CDT for La Salle 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, 6:08 AM CDT (11:08 UTC)
Expired: Jun 15, 1997, 9:00 AM CDT
In force: 3 hr
Issued by: NWS Corpus Christi, TX
Area: Whole counties

County La Salle County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 11.1 hours before the alert went out and 186 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 151114 COR
FFWCRP
TXC283-151400-

BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED EXPIRATION TIME
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
608 AM CDT SUN JUN 15 1997

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 900 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY......

IN SOUTH CENTRAL TEXAS

   ...LA SALLE COUNTY

FLASH FLOOD WARNING EXTENDED FOR LA SALLE COUNTY. THUNDERSTORMS
CONTINUE TO PRODUCE MODERATE TO HEAVY RAINS ACROSS LA SALLE COUNTY.
DOPPLER RADAR RAINFALL ESTIMATES OF 3 TO 4 INCHES WITHIN THE LAST
THREE HOURS. AN ADDITIONAL 1 TO 3 INCHES OF RAIN IS LIKELY WITHIN
THE NEXT FEW HOURS. THE ADDITIONAL RAINFALL WILL FURTHER AGGRAVATE
THE FLOODING CONDITIONS ALREADY OCCURRING FROM ENCINAL TO MILLET
TO LOS ANGELES.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHTl IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

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, 3 hours 30 minutes earlier.

Area forecast discussion, Jun 15, 2:38 AM CDT, 3 hours 30 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.

Issued	Product	Office	Counties	Lasted
Jun 15, 2:53 AM CDT	Flash Flood Warning	CRP	La Salle	3 hr
Jun 15, 3:12 AM CDT	Flash Flood Warning	CRP	Webb	3 hr
Jun 15, 6:12 AM CDT	Flash Flood Warning	CRP	Webb	3 hr

Nearby

Flash Flood Warnings in Texas, 1997 Every 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.