Alert archive / Arkansas / Flash Flood Warnings in 2003

Flash Flood Warning 2, NWS Memphis, TN

February 21, 2003Phillips County, Arkansas; Coahoma County, Mississippi

NWS Memphis, TN issued this flash flood warning at Feb 21, 2003, 7:51 PM CST for Phillips County, Arkansas; Coahoma County, Mississippi. 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
Feb 21, 2003, 7:51 PM CST (01:51 UTC)
Expired
Feb 21, 2003, 10:45 PM CST
In force
3 hr
Issued by
NWS Memphis, TN
Area
Counties, with a storm outline in the text

Counties Phillips County, AR, Coahoma County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.9 hours before the alert went out and 95 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, Little Rock, AR at 00:00Z on 2003-02-22Temperature 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, Little Rock, AR at 00:00Z on 2003-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.1939587897Sfc1 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
442 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
226 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 KMEG 220154
FFWMEM
ARC107-MSC027-220445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
751 PM CST FRI FEB 21 2003

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PHILLIPS COUNTY IN EASTERN ARKANSAS
  COAHOMA COUNTY IN NORTHWEST MISSISSIPPI

* UNTIL 1045 PM CST.

* AT 747 PM CST...WEATHER RADAR INDICATED HEAVY RAIN HAS FALLEN      
  ACROSS THESE COUNTIES WITH AMOUNTS BETWEEN 1 AND 3 INCHES IN 
  SOME SPOTS SINCE THIS AFTERNOON. HEAVY RAIN WILL CONTINUE ACROSS
  THE WARNED AREA THROUGH AT LEAST 10 PM.   

* FLASH FLOODING WILL AFFECT THE CITIES OF...
  CLARKSDALE...WEST HELENA...MARVELL...HELENA...ELAINE
  AND SURROUNDING AREAS THROUGH 1045 PM CST

.BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY.

.STAY TUNED TO THIS NATIONAL WEATHER SERVICE BROADCAST FOR THE LATEST
UPDATES AND INFORMATION. TO REPORT FLOODING ONLY...CALL 1 800 4 3 2 0
8 7 5.

LAT...LON 3416 9103 3414 9057 3401 9061 3404 9049
          3437 9042 3463 9062 3464 9104

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 22, 12:02 AM CSTFlash Flood WarningMEGAlcorn, Prentiss, Tishomingo118 min
Feb 22, 1:13 AM CSTSevere Thunderstorm WarningMEGMonroe47 min

Nearby

Flash Flood Warnings in Arkansas, 2003Flash Flood Warnings in Mississippi, 2003Every flash flood warning in 2003

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.