Alert archive / Mississippi / Flash Flood Warnings in 2004

Flash Flood Warning 85, NWS Memphis, TN

October 19, 2004Itawamba County, Mississippi

NWS Memphis, TN issued this flash flood warning at Oct 19, 2004, 8:39 AM CDT for Itawamba County, Mississippi. It was in force for 66 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
Oct 19, 2004, 8:39 AM CDT (13:39 UTC)
Expired
Oct 19, 2004, 9:45 AM CDT
In force
66 min
Issued by
NWS Memphis, TN
Area
Counties, with a storm outline in the text

County Itawamba County, MS

The radar

The Columbus AFB radar (KGWX), 47 km from the middle of the area, began a volume at 13:39 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

Little Rock, AR (KLZK), launched 12:00Z, 1.7 hours before the alert went out and 160 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 12:00Z on 2004-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2047 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, Little Rock, AR at 12:00Z on 2004-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
2047 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
694 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
1.1
Supercell composite
6.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KMEG 191340
FFWMEM
MSC057-191445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
839 AM CDT TUE OCT 19 2004

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ITAWAMBA COUNTY IN NORTHEAST MISSISSIPPI

* UNTIL 945 AM CDT

* AT 839 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED HEAVY     
  RAIN CONTINUING OVER PARTS OF ITAWAMBA COUNTY. RAIN SHOULD BE      
  TAPERING OFF DURING THE NEXT HOUR...

* CITIES AFFECTED THROUGH 945 AM CDT INCLUDE...
  TREMONT...SANDY SPRINGS...NEW SALEM...MANTACHIE...FULTON...
  FAIRVIEW...EVERGREEN

.A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
MOVE TO HIGHER GROUND IMMEDIATELY. DO NOT ATTEMPT TO CROSS FLOODED
ROADWAYS.

.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 3445 8816 3413 8820 3413 8854 3445 8851

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 18, 7:25 PM CDTTornado WarningMEGMonroe50 min
Oct 18, 7:49 PM CDTSevere Thunderstorm WarningMEGPontotoc, Union41 min
Oct 18, 8:12 PM CDTTornado WarningMEGMonroe48 min
Oct 18, 8:29 PM CDTSevere Thunderstorm WarningMEGLee, Prentiss, Union31 min
Oct 18, 9:11 PM CDTTornado WarningMEGPrentiss49 min
Oct 18, 9:39 PM CDTTornado WarningMEGTishomingo51 min
Oct 19, 4:54 AM CDTTornado WarningMEGLee36 min
Oct 19, 5:10 AM CDTFlash Flood WarningMEGLafayette, Union2 hr
Oct 19, 5:20 AM CDTFlash Flood WarningMEGTate115 min
Oct 19, 5:29 AM CDTFlash Flood WarningMEGPontotoc2 hr
Oct 19, 6:32 AM CDTFlash Flood WarningMEGLee118 min
Oct 19, 6:50 AM CDTFlash Flood WarningMEGItawamba115 min
Oct 19, 7:14 AM CDTFlash Flood WarningMEGUnion61 min
Oct 19, 7:23 AM CDTFlash Flood WarningMEGPontotoc97 min
Oct 19, 8:28 AM CDTFlash Flood WarningMEGLee62 min
Oct 19, 10:16 AM CDTSevere Thunderstorm WarningMEGMarshall29 min
Oct 19, 11:09 AM CDTSevere Thunderstorm WarningMEGBenton, Marshall, Union36 min
Oct 19, 11:43 AM CDTSevere Thunderstorm WarningMEGUnion47 min
Oct 19, 12:19 PM CDTSevere Thunderstorm WarningMEGLee41 min
Oct 19, 12:21 PM CDTFlash Flood WarningMEGUnion114 min
Oct 19, 12:32 PM CDTTornado WarningMEGLee28 min
Oct 19, 12:36 PM CDTFlash Flood WarningMEGLee54 min
Oct 19, 12:41 PM CDTSevere Thunderstorm WarningMEGCalhoun, Yalobusha49 min
Oct 19, 12:50 PM CDTTornado WarningMEGItawamba40 min
Oct 19, 1:26 PM CDTTornado WarningMEGItawamba19 min

Nearby

Flash Flood Warnings in Mississippi, 2004Every flash flood warning in 2004

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.