Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 21, NWS Jackson, MS

February 21, 20039 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Feb 21, 2003, 10:19 PM CST for 9 counties in Mississippi. It was in force for 6 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, 10:19 PM CST (04:19 UTC)
Expired
Feb 22, 2003, 4:20 AM CST
In force
6 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Attala County, MS, Choctaw County, MS, Clay County, MS, Lowndes County, MS, Montgomery County, MS, Noxubee County, MS, Oktibbeha County, MS, Webster County, MS, Winston County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.3 hours before the alert went out and 155 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, Jackson, MS 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2003-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 square meters per square second.19395878Sfc1 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
589 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
289 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 KJAN 220422
FFWJAN
MSC007-019-025-087-097-103-105-155-159-221020-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1019 PM CST FRI FEB 21 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN NORTHEAST MISSISSIPPI
  LOWNDES COUNTY IN NORTHEAST MISSISSIPPI
  WEBSTER COUNTY IN NORTH CENTRAL MISSISSIPPI
  MONTGOMERY COUNTY IN NORTH CENTRAL MISSISSIPPI
  OKTIBBEHA COUNTY IN NORTHEAST MISSISSIPPI
  CHOCTAW COUNTY IN CENTRAL MISSISSIPPI
  ATTALA COUNTY IN CENTRAL MISSISSIPPI
  NOXUBEE COUNTY IN EAST CENTRAL MISSISSIPPI
  WINSTON COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 420 AM CST

* AT 1019 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER MUCH OF EAST CENTRAL 
AND NORTHEAST MISSISSIPPI.  RADAR RAINFALL ESTIMATES INDICATE THAT 
WIDESPREAD RAINFALL OF 3 TO 5 INCHES HAS ALREADY OCCURRED.  RAINFALL 
TOTALS OF BETWEEN 5 AND 10 INCHES ARE POSSIBLE BEFORE THE RAIN ENDS 
LATE TONIGHT.  WIDESPREAD FLOODING OF LOW LYING AREAS...
STREAMS...DRAINAGE DITCHES...AND STREETS IS LIKELY OVER MUCH 
OF THE WARNED AREA. 

FLOODING AT NIGHT IS ESPECIALLY DANGEROUS...SINCE IT IS DIFFICULT TO 
DETERMINE THE DEPTH OF FLOOD WATERS.  AVOID DRIVING THROUGH FLOODED 
AREAS AND MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED. 

LAT...LON 3371 8950 3356 8974 3330 8965 3295 8986
          3296 8837 3370 8826 3365 8852 3371 8894

$$

CRAVEN
1 follow-up statement
000 
WGUS74 KJAN 221029
FFSJAN
MSC007-019-025-087-097-103-105-155-159-221120-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
425 AM CST SAT FEB 22 2003

THE FLASH FLOOD WARNING EXPIRED AT 420 AM FOR...

CLAY COUNTY IN NORTHEAST MISSISSIPPI
LOWNDES COUNTY IN NORTHEAST MISSISSIPPI
WEBSTER COUNTY IN NORTH CENTRAL MISSISSIPPI
MONTGOMERY COUNTY IN NORTH CENTRAL MISSISSIPPI
OKTIBBEHA COUNTY IN NORTHEAST MISSISSIPPI
CHOCTAW COUNTY IN CENTRAL MISSISSIPPI
ATTALA COUNTY IN CENTRAL MISSISSIPPI
NOXUBEE COUNTY IN EAST CENTRAL MISSISSIPPI
WINSTON COUNTY IN EAST CENTRAL MISSISSIPPI

AT 425 AM CST...DOPPLER RADAR INDICATED SCATTERED SHOWERS AND A FEW 
THUNDERSTORMS REDEVELOPING ACROSS WESTERN MISSISSIPPI THAT WILL MOVE 
RAPIDLY TO THE NORTHEAST ACROSS THE FLOOD WARNED AREA DURING THE 
NEXT SEVERAL HOURS. ALTHOUGH ANOTHER QUARTER TO ONE HALF INCH OF 
RAINFALL IS POSSIBLE OVER THE AREA...NO RENEWED FLOODING IS EXPECTED 
TO OCCUR THIS MORNING. FLOODWATERS WILL CONTINUE TO GRADUALLY 
SUBSIDE.
 
$$

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 21, 6:00 PM CSTFlash Flood WarningJANCovington6 hr
Feb 21, 6:20 PM CSTFlash Flood WarningJANHinds, Rankin, Scott, Warren6 hr
Feb 21, 7:07 PM CSTFlash Flood WarningJANLeake, Madison, Neshoba, Newton6 hr
Feb 21, 7:11 PM CSTSevere Thunderstorm WarningJANFranklin, Lincoln59 min
Feb 21, 7:51 PM CSTFlash Flood WarningJANClaiborne, Jefferson3 hr
Feb 21, 7:59 PM CSTFlash Flood WarningJANCopiah, Simpson, Smith6 hr
Feb 21, 8:05 PM CSTTornado WarningJANLincoln30 min
Feb 21, 8:27 PM CSTTornado WarningJANLawrence43 min
Feb 21, 8:39 PM CSTSevere Thunderstorm WarningJANCopiah, Simpson41 min
Feb 21, 8:46 PM CSTSevere Thunderstorm WarningJANRankin44 min
Feb 21, 8:48 PM CSTSevere Thunderstorm WarningJANRankin42 min
Feb 21, 9:03 PM CSTSevere Thunderstorm WarningJANLincoln32 min
Feb 21, 9:28 PM CSTSevere Thunderstorm WarningJANRankin47 min
Feb 21, 9:38 PM CSTTornado WarningJANLawrence32 min
Feb 21, 9:44 PM CSTTornado WarningJANJefferson Davis46 min
Feb 21, 9:50 PM CSTSevere Thunderstorm WarningJANScott, Smith45 min
Feb 21, 9:57 PM CSTSevere Thunderstorm WarningJANLeake28 min
Feb 21, 10:13 PM CSTTornado WarningJANCovington42 min
Feb 21, 10:19 PM CSTTornado WarningJANSimpson, Smith46 min
Feb 21, 10:34 PM CSTFlash Flood WarningJANClarke, Jasper, Kemper, Lauderdale6 hr
Feb 21, 10:53 PM CSTSevere Thunderstorm WarningJANJasper47 min
Feb 21, 11:31 PM CSTSevere Thunderstorm WarningJANNewton, Scott44 min
Feb 21, 11:46 PM CSTSevere Thunderstorm WarningJANLowndes19 min
Feb 21, 11:54 PM CSTSevere Thunderstorm WarningJANNeshoba41 min
Feb 21, 11:59 PM CSTTornado WarningJANNeshoba31 min
Feb 22, 12:02 AM CSTTornado WarningJANMarion43 min
Feb 22, 12:16 AM CSTTornado WarningJANLamar44 min
Feb 22, 12:20 AM CSTSevere Thunderstorm WarningJANWinston45 min
Feb 22, 12:35 AM CSTSevere Thunderstorm WarningJANLowndes, Noxubee60 min
Feb 22, 1:02 AM CSTSevere Thunderstorm WarningJANClay43 min
Feb 22, 1:12 AM CSTSevere Thunderstorm WarningJANNeshoba43 min

Nearby

Flash 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.