Alert archive / Mississippi / Flash Flood Warnings in 2001
Flash Flood Warning 32, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Apr 4, 2001, 7:34 PM CDT for Leake County, Mississippi. It was in force for 116 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- Apr 4, 2001, 7:34 PM CDT (00:34 UTC)
- Expired
- Apr 4, 2001, 9:30 PM CDT
- In force
- 116 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Leake County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 4, 7:35 PM CDT | Flash Flood | Countywide, MS | Additional thunderstorm activity during the evening hours caused more flooding to occur. Several more homes were flooded and some additional roads were damaged by flooding. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 0.6 hours before the alert went out and 76 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.
- Mixed-layer CAPE
- 1845 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1225 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 282 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 11.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KJAN 050034
FFWJAN
MSC079-050230-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
734 PM CDT WED APR 4 2001
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
LEAKE COUNTY IN CENTRAL MISSISSIPPI
* UNTIL 930 PM CDT
* AT 730 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN ONCE AGAIN ENTERING LEAKE
COUNTY. EXTREMELY HEAVY RAIN OF SIX TO EIGHT INCHES HAS ALREADY
FALLEN OVER NORTHEASTERN PARTS OF THE COUNTY...AND SEVERAL MORE
INCHES ARE LIKELY THIS EVENING.
CATASTROPHIC...LIFE-THREATENING FLOODING IS OCCURRING OR IMMINENT.
MOVE TO HIGHER GROUND IMMEDIATELY! ABANDON VEH>ICLES CAUGHT IN RISING
WATER. IF YOU ARE NEAR CREEKS OR STREAMS...MOVE AWAY FROM THEM AS
QUICKLY AS POSSIBLE!
LAT...LON 3284 8932 3293 8967 3276 8973 3272 8957
3261 8932The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 8:21 PM CDT | Flash Flood Warning | JAN | Holmes | 4 hr |
| Apr 4, 8:51 PM CDT | Severe Thunderstorm Warning | JAN | Clarke | 39 min |
| Apr 4, 9:20 PM CDT | Flash Flood Warning | JAN | Attala, Leake, Neshoba, Newton, Scott | 3 hr |
| Apr 4, 9:26 PM CDT | Severe Thunderstorm Warning | JAN | Newton, Scott | 49 min |
| Apr 4, 9:29 PM CDT | Severe Thunderstorm Warning | JAN | Rankin | 16 min |
| Apr 4, 10:00 PM CDT | Severe Thunderstorm Warning | JAN | Smith | 60 min |
| Apr 4, 10:16 PM CDT | Severe Thunderstorm Warning | JAN | Jasper, Newton, Scott, Smith | 59 min |
| Apr 4, 11:13 PM CDT | Severe Thunderstorm Warning | JAN | Jasper, Smith | 62 min |
Nearby
Flash Flood Warnings in Mississippi, 2001Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.