Alert archive / Mississippi / Flash Flood Warnings in 2000

Flash Flood Warning 3, NWS Jackson, MS

April 1, 2000Grenada County, Mississippi

NWS Jackson, MS issued this flash flood warning at Apr 1, 2000, 10:44 PM CST for Grenada County, Mississippi. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Apr 1, 2000, 10:44 PM CST (04:44 UTC)
Expired
Apr 2, 2000, 3:45 AM CDT
In force
4 hr
Issued by
NWS Jackson, MS
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Grenada County, MS

The radar

The Columbus AFB radar (KGWX), 95 km from the middle of the area, began a volume at 04:45 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, 4.7 hours before the alert went out and 92 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 2000-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 joules per kilogram.LCLEL10008507005003002001001 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 2000-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
49 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
53 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 020448
FFWJAN
MSC043-020845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1044 PM CST SAT APR 1 2000

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GRENADA COUNTY IN NORTH CENTRAL MISSISSIPPI

* UNTIL 345 AM CDT

* AT 1044 PM CST...THE PUBLIC REPORTED FLASH FLOODING OCCURRING IN 
GRENADA WITH WATER AFFECTING HOMES IN PORTIONS OF GRENADA. 
THUNDERSTORMS WILL CONTINUE TO OCCUR OVER THIS AREA THE NEXT SEVERAL 
HOURS AND WITH SOILS ALREADY SATURATED...FLASH FLOODING IS HIGHLY 
LIKELY.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS. GO TO HIGHER GROUND IMMEDIATELY 
IF WATERS RISE OVER YOUR VEHICLE OR TOWARDS HOMESTEADS. NEVER DRIVE 
INTO FLOODED AREAS AND ABANDON YOUR VEHICLE IF YOU GET CAUGHT IN 
HIGHER WATER!!

LAT...LON 3377 8994 3365 8979 3470 8818 3509 8864

62


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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 6:36 PM CSTSevere Thunderstorm WarningJANHumphreys, Leflore39 min
Apr 1, 6:53 PM CSTTornado WarningJANHolmes37 min
Apr 1, 10:36 PM CSTSevere Thunderstorm WarningJANCarroll, Leflore29 min
Apr 1, 11:05 PM CSTSevere Thunderstorm WarningJANMontgomery25 min
Apr 1, 11:26 PM CSTFlash Flood WarningJANCarroll, Leflore4 hr
Apr 1, 11:33 PM CSTSevere Thunderstorm WarningJANWashington27 min
Apr 2, 7:08 AM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey37 min
Apr 2, 7:29 AM CDTSevere Thunderstorm WarningJANHolmes, Yazoo31 min
Apr 2, 7:41 AM CDTSevere Thunderstorm WarningJANMadison34 min
Apr 2, 9:40 AM CDTFlash Flood WarningJANHolmes110 min
Apr 2, 4:02 PM CDTSevere Thunderstorm WarningJANIssaquena, Warren43 min
Apr 2, 4:31 PM CDTSevere Thunderstorm WarningJANYazoo44 min
Apr 2, 4:47 PM CDTSevere Thunderstorm WarningJANJefferson28 min
Apr 2, 5:09 PM CDTSevere Thunderstorm WarningJANMadison36 min
Apr 2, 5:15 PM CDTTornado WarningJANMadison, Rankin30 min
Apr 2, 5:24 PM CDTSevere Thunderstorm WarningJANClaiborne36 min
Apr 2, 5:34 PM CDTTornado WarningJANLeake, Scott26 min
Apr 2, 5:45 PM CDTSevere Thunderstorm WarningJANMadison45 min
Apr 2, 5:52 PM CDTSevere Thunderstorm WarningJANWarren38 min
Apr 2, 5:55 PM CDTSevere Thunderstorm WarningJANAttala50 min
Apr 2, 5:58 PM CDTTornado WarningJANLeake47 min
Apr 2, 6:02 PM CDTSevere Thunderstorm WarningJANNewton, Scott43 min
Apr 2, 6:04 PM CDTSevere Thunderstorm WarningJANHinds41 min
Apr 2, 6:13 PM CDTTornado WarningJANNeshoba47 min
Apr 2, 6:17 PM CDTSevere Thunderstorm WarningJANSimpson, Smith43 min
Apr 2, 6:30 PM CDTSevere Thunderstorm WarningJANMadison45 min
Apr 2, 6:34 PM CDTTornado WarningJANNewton26 min
Apr 2, 6:41 PM CDTFlash Flood WarningJANAdams, Jefferson2 hr
Apr 2, 6:45 PM CDTSevere Thunderstorm WarningJANRankin60 min
Apr 2, 6:50 PM CDTTornado WarningJANKemper, Noxubee, Winston40 min
Apr 2, 6:53 PM CDTSevere Thunderstorm WarningJANClaiborne37 min
Apr 2, 6:55 PM CDTSevere Thunderstorm WarningJANHinds20 min

Nearby

Flash Flood Warnings in Mississippi, 2000Every flash flood warning in 2000

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.