Alert archive / Texas / Flash Flood Warnings in 2001

Flash Flood Warning 25, NWS Corpus Christi, TX

September 2, 2001Nueces County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Sep 2, 2001, 3:36 PM CDT for Nueces County, Texas. It was in force for 114 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Sep 2, 2001, 3:36 PM CDT (20:36 UTC)
Expired
Sep 2, 2001, 5:30 PM CDT
In force
114 min
Issued by
NWS Corpus Christi, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Nueces County, TX

The radar

The Corpus Christi radar (KCRP), 5 km from the middle of the area, began a volume at 20:35 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, 8.6 hours before the alert went out and 14 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 2001-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2743 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 2001-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939Sfc1 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
2743 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KCRP 022036
FFWCRP
FFWCRP
TXC355-022230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
336 PM CDT SUN SEP 2 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL NUECES COUNTY IN TEXAS

* UNTIL 530 PM CDT

* AT 335 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN OVER DOWNTOWN CORPUS CHRISTI...MOVING NORTHEAST AT 
  5 MPH.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

LAT...LON 2778 9758 2766 9742 2767 9728 2785 9756

$$

COYNE

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 Sep 2, 2:45 PM CDT, 51 minutes earlier.

Area forecast discussion, Sep 2, 2:45 PM CDT, 51 minutes before
COASTAL BEND FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
245 PM CDT SUN SEP 2 2001

SHORT TERM...CONVECTION FIRING ALONG SEABREEZE BOUNDARY OVER COASTAL
ZONES THIS AFTERNOON WITH RANDOM BOUNDARIES TRIGGERING SHOWERS AND
STORMS FURTHER W.  THINK MOST ACTIVITY WILL DIMINISH AFTER SUNSET
BUT WILL KEEP LOW POPS IN UPPER COASTAL ZONES FOR TONIGHT.  PWATS
ARE FORECASTED TO LOWER SLIGHTLY OVER NEXT FEW DAYS...HOWEVER AN
UPPER TROUGH IS FORECAST TO MOVE INTO AREA ON TUESDAY..  WILL
HAVE LOW DIURNAL POPS OVER EASTERN SECTIONS FOR MONDAY AS PLENTY OF
MOISTURE...INSTABILITY AND S/W ENERGY IS STILL AVAILABLE. WILL
INCREASE POPS TO CHANCE CATEGORY ON TUESDAY WITH FURTHER DIGGING OF
TROUGH.

EXTENDED...WILL CONTINUE CHANCE POPS THROUGH EXTENDED AS MEAN TROUGH
PATTERN CONTINUES OVER TEXAS.  SURFACE TROUGH AND SEABREEZE WILL ACT
AS FOCUS FOR MAINLY DIURNAL SHOWER AND THUNDERSTORM ACTIVITY.  MAY
SEE A LITTLE LESS ACTIVITY TOWARD THE WEEKEND AS PATTERN BECOMES
MORE DIFFUSE.

MARINE...LIGHT WINDS WILL CONTINUE THROUGH MIDWEEK AS A TROUGH
REMAINS OVER THE REGION. AMPLE MOISTURE WILL COMBINE WITH THE TROUGH
TO SUPPORT ISO/WSCAT ACTIVITY...AND PICK UP ON TUE/WED AS AN UPPER
DISTURBANCE SWINGS INTO THE AREA.

CRP BB 077/094 076/093 075 72122
VCT BB 075/094 075/092 073 72122
LRD BB 079/099 078/096 077 72112=

.CRP...NONE.

AP...72 SYN
MC...84 MESO

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 7:43 PM CDTFlash Flood WarningCRPGoliad3 hr

Nearby

Flash Flood Warnings in Texas, 2001Every flash flood warning in 2001

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.