Alert archive / Arkansas / Flash Flood Warnings in 1996

Flash Flood Warning 41, NWS Tulsa, OK

November 6, 1996Benton County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Nov 6, 1996, 10:15 PM CST for Benton County, Arkansas. It was in force for 5 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
Nov 6, 1996, 10:15 PM CST (04:15 UTC)
Expired
Nov 7, 1996, 3:00 AM CST
In force
5 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

County Benton County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.3 hours before the alert went out and 74 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 00:00Z on 1996-11-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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, Springfield, MO at 00:00Z on 1996-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -153 square meters per square second.19395878Sfc1 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
55 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
521 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-153 m²/s²
0-3 km storm-relative helicity
-69 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 
TTAA00 KTUL 070418
FFWTUL
ARC007-070900-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1015 PM CST WED NOV 6 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  300 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST ARKANSAS
 
   ...BENTON COUNTY
 
MODERATE TO LOCALLY HEAVY RAIN WILL CONTINUE IN BENTON COUNTY INTO THE
NIGHT AND WILL RESULT SOME FLOODING OF CITY STREETS AND LOW-LYING AREAS.
RAPID RISES ON CREEKS AND DRAINAGE DITCHES WILL RESULT IN SOME FLOODING
AS WELL.
 
THROUGH 10PM DOPPLER RADAR ESTIMATES INDICATE 1 TO 2 INCHES OF RAIN HAS
FALLEN ACROSS BENTON COUNTY...WITH THE HEAVIER AMOUNTS ALONG THE
MISSOURI BORDER.  AN ADDITIONAL INCH OR SO OF RAIN IS LIKELY AND THIS
WILL PROLONG THE THREAT FOR FLOODING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS LIKELY OR HAS BEEN
REPORTED.  STAY ALERT AND WATCH FOR RAPIDLY RISING WATER.
REMEMBER...IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO THE
NEAREST STREAM...CREEK OR RIVER WHICH CAN BECOME A KILLER DURING
PERIODS OF HEAVY RAIN.
 
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  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.  IF YOUR
VEHICLE GETS CAUGHT IN RISING WATER...ABANDONED IT QUICKLY.  THEN
MOVE TO HIGHER GROUND.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

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 Nov 6, 8:42 PM CST, 1 hour 33 minutes earlier.

Area forecast discussion, Nov 6, 8:42 PM CST, 1 hour 33 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
900 PM CST WED NOV 6 1996

MAIN QUESTION FOR THIS UNSCHED UPDATE WILL BE WHICH AREAS IF ANY TO
REMOVE FROM FFA TONIGHT. ANALYSIS OF 00Z UPPER AIR DATA SHOWED H7
TROF AXIS WELL TO THE WEST OF THE AREA WITH COLD FRONT MOVING INTO
EXTREME SE OK. AT H8...WINDS HAD SWITCHED TO WLY AT OUN AND SGF
STILL WITH RESPECTABLE +10 DP'S...WHILE FWD SHOWED +15 DP AND SOUTH
WINDS. ON 88D...BACK EDGE OF PRECIP HAS BEEN SLOW TO MOVE SE BUT
MOST OF THE HEAVIER ACTIVITY IS NOW IN SE OK AND NW AR. RAINFALL
TOTALS NOT TOO HIGH YET ON SE OK MESONET STATIONS THIS EVENING WITH
MOST AVERAGING 1/2 INCH IN THE LAST 2 HOURS. HOWEVER...88D SHOWS
SOME RR'S OVER 1 INCH/HR. 00Z RUC MODEL SHOWS PRECIP CONTINUING
OVER SE OK AND NW AR ALMOST ALL NIGHT...ALBEIT WITH MUCH TOO LOW
AMOUNTS.

FEEL THAT GREATEST THREAT FOR FLASH FLOODING FOR THE REST OF THE
NIGHT WILL BE ALONG AND ABOUT 100 MILES NORTH OF THE COLD FRONT
WHERE H8 MOISTURE CONVERGENCE AND ISENTROPIC LIFT WILL BE
STRONGEST. COULD BE SOME ISOLATED EMBEDDED CONVECTION FURTHER NORTH
THAN THAT BUT THOSE TYPES OF CELLS HAVE BEEN MOVING RAPIDLY NEWD
AND HAVE NOT BEEN PRODUCING MUCH RAINFALL OVER ONE GIVEN AREA.
WL CONT FFA FOR AREAS SOUTH OF A ROGERS AR TO HENRYETTA OK LINE.
WOULD LIKE TO STRESS THAT EVEN THOUGH THREAT OF HEAVY RAIN AND
FLASH FLOODING APPEARS OVER FOR NE OK...CREEKS AND RIVERS WILL
CONTINUE TO RISE TONIGHT AND THU MORNING. /26

.TUL...
OK...FLASH FLOOD WATCH TONIGHT...ZONES 68>77.
AR...FLASH FLOOD WATCH TONIGHT...ZONES 1/2/10/11/19/29.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 6:23 PM CSTFlash Flood WarningTSABenton4 hr
Nov 6, 8:56 PM CSTFlash Flood WarningTSACarroll, Crawford, Madison, Washington6 hr
Nov 6, 8:56 PM CSTFlash Flood WarningTSASebastian6 hr
Nov 7, 2:56 AM CSTFlash Flood WarningTSACrawford, Madison, Sebastian, Washington3 hr
Nov 7, 2:56 AM CSTFlash Flood WarningTSACarroll3 hr

Nearby

Flash Flood Warnings in Arkansas, 1996Every flash flood warning in 1996

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.