Alert archive / Arkansas / Flash Flood Warnings in 2002

Flash Flood Warning 49, NWS Tulsa, OK

May 29, 2002Franklin County, Arkansas

NWS Tulsa, OK issued this flash flood warning at May 29, 2002, 3:07 AM CDT for Franklin County, Arkansas. 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 outline as issued.

The facts

Issued
May 29, 2002, 3:07 AM CDT (08:07 UTC)
Expired
May 29, 2002, 6:00 AM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Franklin County, AR

The radar

The Western Arkansas radar (KSRX), 39 km from the middle of the area, began a volume at 08:06 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 8.1 hours before the alert went out and 166 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 2002-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 132 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2002-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
132 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
72 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 290808
FFWTUL
ARC047-291100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
307 AM CDT WED MAY 29 2002

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 600 AM CDT

* AT 307 AM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
  ALONG A LINE EXTENDING FROM 9 MILES NORTHWEST OF BRANCH TO 4 MILES
  EAST OF BRANCH...MOVING NORTHEAST AT 10 MPH.

  RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAS FALLEN OVER
  PARTS OF SOUTHERN FRANKLIN COUNTY AND ANOTHER 1 TO 2 INCHES WILL
  BE POSSIBLE THROUGH 600 AM CDT.  THIS WILL CAUSE FLOODING ALONG 
  CREEKS AND IN LOW-LYING AREAS.

* SOME LOCATIONS THAT WILL BE AFFECTED BY THE HEAVY RAIN
  INCLUDE OZARK...BRANCH...ALTUS AND WIEDERKEHR VILLAGE.

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.

LAT...LON 3533 9407 3523 9392 3552 9369 3563 9401
2 follow-up statements
000 
WGUS74 KTSA 290956
FFSTUL
ARC047-291100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
456 AM CDT WED MAY 29 2002

...FLASH FLOOD WARNING CONTINUES FOR FRANKLIN COUNTY UNTIL 600 AM
   CDT...

AT 452 AM CDT RADAR INDICATED THAT THE RAIN WAS DIMINISHING ACROSS 
FRANKLIN COUNTY.  MOTORISTS IN FRANKLIN COUNTY...ESPECIALLY ALONG 
AND SOUTH OF I-40...WHERE THE HEAVIEST RAINS FELL...SHOULD BE ALERT 
FOR WATER ON ROADWAYS AND NEVER DRIVE INTO A FLOODED AREA.  

WITH THE RAIN ENDING...ANY HIGH WATER WILL BEGIN RECEEDING.  AS A 
RESULT...THE FLASH FLOOD WARNING FOR FRANKLIN COUNTY WILL LIKELY BE 
ALLOWED TO EXPIRE ON TIME AT 600 AM.
000 
WGUS74 KTSA 291106
FFSTUL
ARC047-087-291200-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
604 AM CDT WED MAY 29 2002

...THE FLASH FLOOD WARNINGS FOR MADISON AND FRANKLIN COUNTIES HAVE 
EXPIRED...

THE HEAVY RAIN THAT PROMPTED THE WARNINGS HAS MOVED OUT OF THE AREA
ALTHOUGH LIGHT TO MODERATE AREAS OF RAIN WILL REMAIN POSSIBLE THIS 
MORNING.

THE FRANKLIN COUNTY SHERIFFS OFFICE REPORTED SOME FLOODING HAD 
OCCURRED ACROSS PORTIONS OF FRANKLIN COUNTY DURING THE PAST FEW 
HOURS...HOWEVER WITH THE HEAVY RAIN HAVING MOVED OUT OF THE 
AREA...THE HIGH WATER WAS NOW RECEEDING.

LAT...LON 3531 9412 3525 9384 3608 9345 3629 9385

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 May 28, 9:15 PM CDT, 5 hours 52 minutes earlier.

Area forecast discussion, May 28, 9:15 PM CDT, 5 hours 52 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
915 PM CDT TUE MAY 28 2002

UPPER LOW WILL CONTINUE ITS SLOW DRIFT SOUTHEASTWARD OVERNIGHT WITH
PRECIP CHANCES CONTINUING AREAWIDE.  BEST LOW LEVEL CONVERGENCE
/ALBEIT WEAK/ APPEARS TO CONTINUE FROM WEST CENTRAL ARKANSAS INTO
FAR SOUTHEAST OKLAHOMA.  THIS SAME AREA WILL BE MOST LIKELY TO
EXPERIENCE WIDESPREAD CONVECTIVE REDEVELOPMENT OVERNIGHT WITH
APPROACHING UPPER LOW.  HOWEVER FLOOD GUIDANCE REMAINS VERY LOW
ACROSS MOST OF THE AREA...AND WITH MOST LOCALES HAVING A CHANCE AT
OVERNIGHT PRECIP THE FLASH FLOOD WATCH WILL CONTINUE WITH SAME
CONFIGURATION.  TEMPS APPEAR ON TRACK...AND ONLY ADJUSTMENT WILL BE
TO THE RDF TO TAPER POPS DOWN FAR NORTHWEST AND CAPTURE CURRENT
TEMPERATURE TRENDS.

FORECASTER = 07

.TSA...
AR...FLASH FLOOD WATCH UNTIL NOON CDT WEDNESDAY FOR ZONES
ARZ001>002...ARZ010>011...ARZ019>020...ARZ029.

OK...FLASH FLOOD WATCH UNTIL NOON CDT WEDNESDAY FOR ZONES OKZ049...
OKZ053...OKZ057>058...OKZ060>076.

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 1:57 AM CDTFlash Flood WarningTSAMadison4 hr

Nearby

Flash Flood Warnings in Arkansas, 2002Every flash flood warning in 2002

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.