Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 8, NWS Memphis, TN

March 17, 2002Crittenden County, Arkansas; 4 counties in Tennessee

NWS Memphis, TN issued this flash flood warning at Mar 17, 2002, 8:55 PM CST for Crittenden County, Arkansas; 4 counties in Tennessee. It was in force for 95 min. 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 17, 2002, 8:55 PM CST (02:55 UTC)
Expired
Mar 17, 2002, 10:30 PM CST
In force
95 min
Issued by
NWS Memphis, TN
Area
Counties, with a storm outline in the text

Counties Crittenden County, AR, Fayette County, TN, Haywood County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 17 km from the middle of the area, began a volume at 02:56 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

Little Rock, AR (KLZK), launched 00:00Z, 2.9 hours before the alert went out and 62 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 2002-03-18Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2002-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -245 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
1036 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
-245 m²/s²
0-3 km storm-relative helicity
197 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 180255 CCA
FFWMEM
ARC035-TNC047-075-157-167-180430-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING...CORRECTED HEADER CODING
NATIONAL WEATHER SERVICE MEMPHIS TN
828 PM CST SUN MAR 17 2002

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRITTENDEN COUNTY IN EASTERN ARKANSAS
  FAYETTE COUNTY IN SOUTHWEST TENNESSEE
  HAYWOOD COUNTY IN SOUTHWEST TENNESSEE
  SHELBY COUNTY IN SOUTHWEST TENNESSEE
  TIPTON COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 1030 PM CST.

* AT 824 PM CST...WEATHER RADAR INDICATED VERY HEAVY RAIN FROM EAST  
  CENTRAL ARKANSAS EASTWARD INTO SOUTHWEST TENNESSEE. RAINFALL OF 3  
  TO 5 INCHES HAS FALLEN IN THE WARNED AREA AND ADDITIONAL RAINFALL  
  IS EXPECTED TO MOVE OVER THE AREA THE NEXT FEW HOURS. THIS         
  WILL WORSEN THE SITUATION.

* CITIES AFFECTED THROUGH 1030 PM CST INCLUDE...
  MEMPHIS...SOMERVILLE...MUNFORD...MILLINGTON...LAKELAND...
  LA GRANGE...GERMANTOWN...FRAYSER...  ELLENDALE...EADS...           
  DIXONVILLE...DANCYVILLE...COLLIERVILLE

.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.

LAT...LON 3563 8919 3502 8920 3500 9038 3541 9045

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 8:29 PM CSTFlash Flood WarningMEG2 hr

Nearby

Flash Flood Warnings in Tennessee, 2002Flash 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.