Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 87, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Aug 30, 2021, 7:08 AM CDT for Jones County, Mississippi. It was in force for 4 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 30, 2021, 7:08 AM CDT (12:08 UTC)
- Expired
- Aug 30, 2021, 11:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
County Jones County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 112 km from the middle of the area, began a volume at 12:08 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 30, 7:43 AM CDT | FLASH FLOOD | 2 Nnw Shelton, MS | FLOOD WATERS OVER THE ROADWAY NEAR THE INTERSECTION OF MONROE RD AND EMMONS RD. |
| Aug 30, 7:45 AM CDT | FLASH FLOOD | 2 Ssw Moselle, MS | A ONE EIGHT MILE STRETCH OF RV LINDLEY RD WAS FLOODED. |
| Aug 30, 9:09 AM CDT | FLASH FLOOD | 3 N Calhoun, MS | WATER ACROSS THE ROAD NEAR THE INTERSECTION OF HINES RD AND SERVICE RD. |
| Aug 30, 9:38 AM CDT | FLASH FLOOD | 1 Ne Laurel, MS | SEVERAL STREETS IN LAUREL WERE FLOODED INCLUDING 5TH STREET NEAR WALGREENS, 16TH AVE NEAR THE HARDEES, AND JEFFERSON ST AT LEONTYNE BLVD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 0.1 hours before the alert went out and 122 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
- 49 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 463 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 547 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
093
WGUS54 KJAN 301208
FFWJAN
MSC067-301600-
/O.NEW.KJAN.FF.W.0087.210830T1208Z-210830T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
708 AM CDT Mon Aug 30 2021
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Jones County in southeastern Mississippi...
* Until 1100 AM CDT.
* At 708 AM CDT, Doppler radar indicated heavy rain across the
warned area. Between 2 and 4 inches of rain have fallen. The
expected rainfall rate is 1 to 2 inches in 1 hour. Additional
rainfall amounts of 2 to 3 inches are possible in the warned area.
Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
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...
Laurel, Ellisville, Sandersville, Tuckers Crossing, Moselle,
Ovett, Eastabuchie, Mill Creek, Hebron and Soso.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3143 8894 3143 8940 3180 8940 3182 8894
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
TW1 follow-up statement
261 WGUS74 KJAN 301603 FFSJAN Flash Flood Statement National Weather Service Jackson MS Issued by National Weather Service Shreveport LA 1103 AM CDT Mon Aug 30 2021 MSC067-301613- /O.EXP.KJAN.FF.W.0087.000000T0000Z-210830T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Jones MS- 1103 AM CDT Mon Aug 30 2021 ...FLASH FLOOD WARNING HAS EXPIRED FOR JONES COUNTY... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. LAT...LON 3143 8894 3143 8940 3180 8940 3182 8894 $$
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 3:32 AM CDT | Flash Flood Warning | JAN | Forrest, Lamar, Marion | 6 hr |
| Aug 30, 5:35 AM CDT | Flash Flood Warning | JAN | Lawrence, Lincoln | 3 hr |
| Aug 30, 6:00 AM CDT | Flash Flood Warning | JAN | Covington, Jefferson Davis | 4 hr |
| Aug 30, 6:41 AM CDT | Flash Flood Warning | JAN | Copiah, Simpson | 4 hr |
| Aug 30, 8:14 AM CDT | Flash Flood Warning | JAN | Rankin, Smith | 4 hr |
| Aug 30, 8:21 AM CDT | Flash Flood Warning | JAN | Rankin, Smith | 4 hr |
| Aug 30, 8:33 AM CDT | Flash Flood Warning | JAN | Covington, Hinds, Jasper, Jones, Rankin, Scott and 2 more | 4 hr |
| Aug 30, 12:38 PM CDT | Special Weather Statement | JAN | Madison | 22 min |
| Aug 30, 3:17 PM CDT | Flash Flood Warning | JAN | Lauderdale | 118 min |
| Aug 30, 4:33 PM CDT | Flash Flood Warning | JAN | Kemper, Noxubee | 2 hr |
| Aug 30, 5:01 PM CDT | Flash Flood Warning | JAN | Clarke, Lauderdale | 3 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.