Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 72, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jul 27, 2021, 8:58 PM CDT for Lauderdale 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 27, 2021, 8:58 PM CDT (01:58 UTC)
- Expired
- Jul 27, 2021, 11:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
County Lauderdale County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 120 km from the middle of the area, began a volume at 01:58 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
Birmingham, AL (KBMX), launched 00:00Z, 2.0 hours before the alert went out and 202 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
- 144 J/kg
- Mixed-layer CIN
- -238 J/kg
- Mixed-layer LCL
- 1293 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
615
WGUS54 KJAN 280158
FFWJAN
MSC075-280445-
/O.NEW.KJAN.FF.W.0072.210728T0158Z-210728T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
858 PM CDT Tue Jul 27 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Southern Lauderdale County in east central Mississippi...
* Until 1145 PM CDT.
* At 858 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain in the Meridian area. Between 1 and 2 inches of rain
have already fallen. The expected rainfall rate is 1 to 2 inches
per hour. 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...
Meridian, Marion, Zero, Savoy, Nellieburg, Increase, Suqualena,
Meehan and Alamucha.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3245 8892 3246 8867 3239 8841 3223 8843
3222 8891
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
NF1 follow-up statement
863
WGUS74 KJAN 280400
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
1100 PM CDT Tue Jul 27 2021
MSC075-280410-
/O.CAN.KJAN.FF.W.0072.000000T0000Z-210728T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lauderdale MS-
1100 PM CDT Tue Jul 27 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN LAUDERDALE COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3245 8892 3246 8867 3239 8841 3223 8843
3222 8891
$$
NFThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 7:06 PM CDT | Special Weather Statement | JAN | Madison | 24 min |
| Jul 27, 7:19 PM CDT | Special Weather Statement | JAN | Yazoo | 26 min |
| Jul 27, 8:14 PM CDT | Special Weather Statement | JAN | Hinds | 31 min |
| Jul 27, 10:01 PM CDT | Special Weather Statement | JAN | Jasper | 44 min |
| Jul 28, 4:20 PM CDT | Special Weather Statement | JAN | Madison | 25 min |
| Jul 28, 4:47 PM CDT | Special Weather Statement | JAN | Madison | 28 min |
| Jul 28, 5:14 PM CDT | Special Weather Statement | JAN | Smith | 31 min |
| Jul 28, 5:18 PM CDT | Special Weather Statement | JAN | Rankin | 27 min |
| Jul 28, 5:49 PM CDT | Special Weather Statement | JAN | Rankin | 26 min |
| Jul 28, 6:17 PM CDT | Special Weather Statement | JAN | Simpson | 28 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.