Alert archive / Mississippi / Flash Flood Warnings in 2001

Flash Flood Warning 1, NWS Jackson, MS

January 19, 2001Hinds County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jan 19, 2001, 3:01 PM CST for Hinds 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jan 19, 2001, 3:01 PM CST (21:01 UTC)
Expired: Jan 19, 2001, 6:00 PM CST
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Hinds County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.0 hours before the alert went out and 26 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 554 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: -66 m²/s²
0-3 km storm-relative helicity: -97 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 192107
FFWJAN
MSC049-200000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
301 PM CST FRI JAN 19 2001

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HINDS COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 600 PM CST

IT HAS BEEN REPORTED AND VERIFIED BY THE HINDS COUNTY EMERGENCY 
MANAGEMENT AGENCY THAT THE DAM AT RIDGELEA LAKE SUBDIVISION IN BYRAM 
IS IN IMMINENT DANGER OF FAILURE. EVACUATIONS ARE IN PROGRESS.

PERSONS LIVING NEAR OR DOWNSTREAM OF THIS DAM AREA SHOULD MOVE TO 
HIGHER GROUND IMMEDIATELY.

70

LAT...LON 3235 9020 3208 9028 3207 9051 3236 9051

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 19, 1:03 AM CST	Severe Thunderstorm Warning	JAN	Jasper, Jones	27 min
Jan 19, 1:14 AM CST	Severe Thunderstorm Warning	JAN	Covington, Lamar	31 min
Jan 19, 1:17 AM CST	Severe Thunderstorm Warning	JAN	Clarke, Lauderdale	43 min
Jan 19, 1:28 AM CST	Severe Thunderstorm Warning	JAN	Jones	32 min
Jan 19, 5:24 AM CST	Severe Thunderstorm Warning	JAN	Marion	36 min
Jan 19, 5:37 AM CST	Severe Thunderstorm Warning	JAN	Covington, Lamar	23 min
Jan 19, 5:45 AM CST	Severe Thunderstorm Warning	JAN	Jasper, Jones	30 min
Jan 19, 5:54 AM CST	Severe Thunderstorm Warning	JAN	Forrest	36 min

Nearby

Flash Flood Warnings in Mississippi, 2001 Every flash flood warning in 2001

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.