Alert archive / Arkansas / Flash Flood Warnings in 2000

Flash Flood Warning 11, NWS Tulsa, OK

June 17, 2000Benton County, Washington County, Arkansas; Adair County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 17, 2000, 7:57 AM CDT for Benton County, Washington County, Arkansas; Adair County, Oklahoma. It was in force for 93 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
Jun 17, 2000, 7:57 AM CDT (12:57 UTC)
Expired
Jun 17, 2000, 9:30 AM CDT
In force
93 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Benton County, AR, Washington County, AR, Adair County, OK

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 1.0 hours before the alert went out and 109 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, Springfield, MO at 12:00Z on 2000-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Springfield, MO at 12:00Z on 2000-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
808 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
40 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 KTSA 171258
FFWTSA
ARC007-143-OKC001-171430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
757 AM CDT SAT JUN 17 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  ADAIR COUNTY IN NORTHEAST OKLAHOMA
  BENTON COUNTY IN NORTHWEST ARKANSAS
  WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 930 AM CDT

* AT 755 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN 2 MILES EAST OF CHRISTIE...
  MOVING NORTHEAST AT 20 MPH.

THIS IS AN EXTENSION OF THE FLASH FLOOD WARNING ISSUED EARLIER FOR
ADAIR...BENTON...AND WASHINGTON COUNTIES. RADAR SHOWS MODERATE TO
HEAVY RAINS CONTINUING TO MOVE ACROSS THE AREA...AND ANOTHER 1 TO 2
INCHES OF RAIN WILL BE POSSIBLE BEFORE THE RAIN TAPERS OFF AFTER 930
AM. OVER FIVE INCHES OF RAIN HAS BEEN MEASURED AT CAVE SPRINGS IN
SOUTHERN BENTON COUNTY.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
INCLUDE STILWELL...BENTONVILLE...AND FAYETTEVILLE.

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

CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE.

LAT...LON 3597 9480 3575 9484 3580 9397 3647 9387
          3646 9444

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 Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at Jun 17, 3:15 AM CDT, 4 hours 42 minutes earlier.

Area forecast discussion, Jun 17, 3:15 AM CDT, 4 hours 42 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
315 AM CDT SAT JUN 17 2000

MAIN FORECAST CONCERN TODAY CENTERS ON HEAVY RAINFALL POTENTIAL.
LATEST SURFACE ANALYSIS SHOWS STATIONARY FRONTAL BOUNDARY DRAPED
ACROSS SOUTHEAST OKLAHOMA...SOUTH OF A KADM TO KMLC TO KFSM LINE AT
08Z. WATER VAPOR LOOP SHOWS AN APPROACHING SHORTWAVE IN THE TEXAS
PANHANDLE...WHICH WILL PROVIDE THE SYNOPTIC SCALE LIFT FOR PROLONGED
THUNDERSTORM DEVELOPMENT ACROSS OUR AREA LATER TODAY.

THE HEAVIEST RAINS ARE STILL EXPECTED TO BE MAINLY NORTH OF THE
FRONTAL BOUNDARY...WHICH IS NOT EXPECTED TO MOVE MUCH TODAY. THE
ONGOING CONVECTION ACROSS CENTRAL OKLAHOMA AND SOUTHEAST KANSAS
LINES UP FAIRLY WELL WITH THE 850MB FRONT...AND BELIEVE
THUNDERSTORMS WILL CONTINUE TO REDEVELOP ACROSS THIS AREA...MOVING
SLOWLY SOUTHEAST WITH 850MB FRONT. SHOWERS AND THUNDERSTORMS ALSO
DEVELOPING ACROSS SOUTHEAST OKLAHOMA LIKELY DUE TO DIFLUENT
THICKNESSES AND ISENTROPIC LIFT IN THIS AREA. WILL KEEP FFA GOING
FOR ENTIRE AREA TODAY.

THE EAST-WEST PLACEMENT OF THE FRONT ACROSS OKLAHOMA...AND
INCREASING ISENTROPIC LIFT ON THE SOUTHERLY LOW LEVEL JET POINT TO
HEAVY RAINS FOR MUCH OF THE AREA TODAY. THE NORTHERN ZONES RECEIVED
1-2 INCHES OF RAIN YESTERDAY...WITH ANOTHER 1-3 INCHES EXPECTED
TODAY...SO EXPECT MOST FLOODING PROBLEMS WILL BE ALONG AND NORTH OF
I-40. WILL KEEP CATERGORICAL POPS GOING IN MOST ZONES TODAY...WITH
HIGH POPS CONTINUING TONIGHT...ALTHOUGH SHOULD SEE SOME RELIEF AFTER
MIDNIGHT. TEMPERATURES THIS MORNING ACROSS NORTHEAST OKLAHOMA
ALREADY IN THE UPPER 50S...AND WITH CLOUDS AND RAIN...HIGHS TODAY
WILL BE RATHER COOL. SUNDAY WILL HAVE A CONTINUED CHANCE OF
RAIN...BUT POPS WILL BE LOWER...AS SYSTEM EXPECTED TO GET A PUSH
EAST.

WILL NOT MAKE ANY MAJOR CHANGES TO EXTENDED FORECAST AT THIS POINT.
THANKS TO LIT...SHV...OUN...AND SGF FOR COORD.

FCSTID = 6
TUL   74  61  79  67 / 100  60  50  30
FSM   77  67  81  68 /  80  60  50  30
MLC   76  68  83  68 / 100  60  50  30
BVO   70  63  73  66 / 100  70  60  30
FYV   71  62  78  64 / 100  70  50  30
BYV   70  62  78  64 / 100  70  50  30
MIO   69  62  78  64 / 100  70  50  30
MKO   74  68  83  68 / 100  60  50  30
F10   74  61  79  67 / 100  60  50  30
HHW   80  69  84  69 /  70  60  50  30

.TUL...
AR...FLASH FLOOD WATCH SATURDAY ZONES 1/2/10/11/19/20/29.
OK...FLASH FLOOD WATCH SATURDAY ZONES 53>76...49.

In the hours before

Special weather statement, Jun 17, 6:00 AM CDT, 1 hour 57 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-181100-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
600 AM CDT SAT JUN 17 2000

...FLASH FLOOD WATCH TODAY WITH LOCALLY HEAVY RAINS EXPECTED...

.SYNOPSIS...
A STATIONARY FRONT WAS LOCATED ACROSS WEST CENTRAL ARKANSAS AND
SOUTHEAST OKLAHOMA EARLY THIS MORNING. SHOWERS AND THUNDERSTORMS
WERE OCCURRING...MAINLY IN AREAS NORTH OF THE FRONT...AND WILL
CONTINUE FOR MUCH OF THE DAY. A VERY MOIST ATMOSPHERE AND FAVORABLE
WINDS ALOFT WILL CREATE AN ENVIRONMENT CONDUCIVE TO THUNDERSTORMS
WITH VERY HEAVY RAIN.

.PRIMARY HAZARD...
EXCESSIVE RAINS COULD LEAD TO FLASH FLOODING ACROSS THE AREA THROUGH
THIS AFTERNOON. RAINFALL TOTALS FOR THE 24 HOUR PERIOD FROM 6 AM THIS
MORNING TO 6 AM SUNDAY MORNING COULD EXCEED 3 INCHES OVER PARTS OF
THE AREA.

THE FLASH FLOOD STATEMENT /OKCFFSTUL/ ISSUED AT 505 AM GIVES
ADDITIONAL DETAILS ON THE FLASH FLOOD WATCH THAT IS IN AFFECT TODAY.

.DISCUSSION...
THE HEAVIEST RAINS ARE EXPECTED TO FALL NORTH OF THE FRONTAL
BOUNDARY...WHICH IS EXPECTED TO MOVE LITTLE THROUGH TONIGHT.
PRECIPITABLE WATER VALUES OVER 1.5 INCHES ALONG WITH MODERATELY
STRONG UPPER LEVEL SUPPORT WILL ENHANCE RAINFALL RATES TODAY.

.EMERGENCY AGENCY AND SPOTTER ACTIVATION...
SPOTTER GROUPS SHOULD MONITOR WEATHER CONDITIONS THROUGHOUT
THE DAY. SPOTTER ACTIVATION MAY BE NEEDED AS EARLY AS THIS MORNING
ACROSS NORTHEAST OKLAHOMA AND THE NORTHWEST CORNER OF ARKANSAS WHERE
HEAVY RAINS HAD ALREADY DEVELOPED. SPOTTER ACTIVATION MAY BE NEEDED
LATER THIS MORNING OR THIS AFTERNOON ACROSS THE REST OF EASTERN
OKLAHOMA AND NORTHEST ARKANSAS.

AN UPDATED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AROUND 1 PM
TODAY.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 5:35 AM CDTFlash Flood WarningTSABenton, Washington2 hr
Jun 17, 7:16 AM CDTFlash Flood WarningTSACarroll, Franklin, Madison2 hr
Jun 17, 8:46 AM CDTFlash Flood WarningTSACrawford2 hr
Jun 17, 10:57 AM CDTFlash Flood WarningTSACrawford2 hr
Jun 16, 7:46 PM CDTFlash Flood WarningTSACraig, Nowata4 hr
Jun 16, 9:22 PM CDTFlash Flood WarningTSAOttawa4 hr

Nearby

Flash Flood Warnings in Arkansas, 2000Flash Flood Warnings in Oklahoma, 2000Every flash flood warning in 2000

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.