Alert archive / Arkansas / Flash Flood Warnings in 2002

Flash Flood Warning 4, NWS Tulsa, OK

March 18, 2002Franklin County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Mar 18, 2002, 10:37 PM CST 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: Mar 18, 2002, 10:37 PM CST (04:37 UTC)
Expired: Mar 19, 2002, 1:30 AM CST
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), 44 km from the middle of the area, began a volume at 04:39 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

Springfield, MO (KSGF), launched 00:00Z, 4.6 hours before the alert went out and 157 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: 5 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 713 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: -165 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 190437
FFWTUL
ARC047-190730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1034 PM CST MON MAR 18 2002

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 130 AM CST

* AT 1034 PM CST RADAR INDICATED AN AREA OF VERY HEAVY RAIN ACROSS   
  FRANKLIN COUNTY MOVING NORTHEAST AT 20 MPH. FLOODING OF LOW LYING  
  AREAS WAS REPORTED IN OZARK AT 1032 PM.

  RADAR INDICATES THAT 2 INCHES OF RAIN HAS ALREADY FALLEN OVER      
  THE WARNED AREA. ANOTHER ONE TO TWO INCHES WILL BE POSSIBLE 
  THROUGH 130 AM CST.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE OZARK...BRANCH...DENNING...ALTUS...CASS 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 3541 9412 3521 9406 3541 9373 3575 9367
          3575 9392

1 follow-up statement

000 
WGUS74 KTSA 190522
FFSTUL
ARC047-190730-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1120 PM CST MON MAR 18 2002

...FLASH FLOOD WARNING CONTINUES FOR FRANKLIN COUNTY UNTIL 130 AM
   CST...

AT 1120 PM CST...RADAR CONTINUED TO SHOW AN AREA OF VERY HEAVY RAIN 
OVER FRANKLIN COUNTY MOVING NORTHEAST AT 20 MPH.

RADAR INDICATES THAT TWO AND A HALF INCHES OF RAIN HAS ALREADY 
FALLEN OVER THE WARNED AREA. ANOTHER INCH AND A HALF WILL BE 
POSSIBLE THROUGH 130 AM CST.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN 
INCLUDE TAFT...OZARK...CECIL...TONEY...LONELM...CRAVENS...WATALULA 
...JETHRO...MOUNTAIN TOP...PARADISE...BARNES...TURNERS BEND...CASS 
AND REDDING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 18, 8:34 PM CST	Flash Flood Warning	TSA	Sebastian	3 hr
Mar 18, 8:42 PM CST	Flash Flood Warning	TSA	Sebastian	3 hr
Mar 18, 11:54 PM CST	Flash Flood Warning	TSA	Sebastian	96 min
Mar 19, 1:31 AM CST	Flash Flood Warning	TSA	Franklin, Sebastian	4 hr
Mar 19, 3:54 AM CST	Flash Flood Warning	TSA	Crawford	96 min
Mar 19, 7:17 AM CST	Flash Flood Warning	TSA	Crawford, Franklin, Sebastian	4 hr
Mar 19, 11:01 AM CST	Flash Flood Warning	TSA	Crawford, Franklin, Sebastian	5 hr
Mar 19, 2:40 PM CST	Flash Flood Warning	TSA	Madison	5 hr
Mar 19, 3:54 PM CST	Flash Flood Warning	TSA	Crawford, Franklin, Sebastian	6 hr

Nearby

Flash Flood Warnings in Arkansas, 2002 Every 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.