Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 70, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jul 26, 2021, 11:20 PM CDT for Leake County, Scott County, Mississippi. It was in force for 2 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
- Jul 26, 2021, 11:20 PM CDT (04:20 UTC)
- Expired
- Jul 27, 2021, 1:30 AM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Leake County, MS, Scott County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 57 km from the middle of the area, began a volume at 04:23 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
Jackson, MS (KJAN), launched 00:00Z, 4.3 hours before the alert went out and 62 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
- 1650 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 1521 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted.
080
WGUS54 KJAN 270420
FFWJAN
MSC079-123-270630-
/O.NEW.KJAN.FF.W.0070.210727T0420Z-210727T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
1120 PM CDT Mon Jul 26 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Southeastern Leake County in central Mississippi...
Northeastern Scott County in central Mississippi...
* Until 130 AM CDT.
* At 1120 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to 3 inches of rain have
fallen. Additional rainfall amounts of 1 to 2 inches are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Tuscola, Walnut Grove and Lena.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3262 8959 3262 8951 3264 8934 3261 8932
3256 8935 3250 8946 3251 8966 3256 8965
FLASH FLOOD...RADAR INDICATED
$$
ECThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 7:24 PM CDT | Special Weather Statement | JAN | Oktibbeha | 66 min |
| Jul 26, 7:40 PM CDT | Special Weather Statement | JAN | Forrest | 65 min |
| Jul 27, 2:54 PM CDT | Excessive Heat Warning | JAN | Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 33 more | 4 days |
| Jul 27, 2:54 PM CDT | Heat Advisory | JAN | Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more | 5 days |
| Jul 27, 5:20 PM CDT | Special Weather Statement | JAN | Warren | 25 min |
| Jul 27, 5:34 PM CDT | Severe Thunderstorm Warning | JAN | Warren | 41 min |
| Jul 27, 6:14 PM CDT | Special Weather Statement | JAN | Warren | 31 min |
Nearby
Flash Flood Warnings in Mississippi, 2021Every flash flood warning in 2021
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.