Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 61, NWS Jackson, MS

July 7, 2021Hinds County, Rankin County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jul 7, 2021, 2:16 PM CDT for Hinds County, Rankin County, Mississippi. It was in force for 3 hr. 9 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
Jul 7, 2021, 2:16 PM CDT (19:16 UTC)
Expired
Jul 7, 2021, 5:15 PM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Hinds County, MS, Rankin County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 23 km from the middle of the area, began a volume at 19:19 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

TimeReportWhereRemark
Jul 7, 2:30 PM CDTFLASH FLOOD2 Ene Clinton, MSSTREET FLOODING, WATER INTO YARDS.
Jul 7, 2:45 PM CDTFLASH FLOOD1 Ese Forest Hill, MSFLASH FLOODING ALONG SUNCREST DR.
Jul 7, 2:51 PM CDTFLASH FLOOD1 Ese Forest Hill, MSSTREET FLOODING.
Jul 7, 3:09 PM CDTFLASH FLOOD1 Se Clinton, MSSTREET FLOODING.
Jul 7, 3:28 PM CDTFLASH FLOOD1 Ne Clinton, MSSTREET FLOODING IN THE KENTWOOD SUBDIVISION, BROADCAST MEDIA PHOTOGRAPHS SUGGEST 1-2 FEET OF WATER ACROSS ROADS.
Jul 7, 3:29 PM CDTFLASH FLOOD2 Wsw Jackson, MSSTREET FLOODING, WATER INTO YARDS AND NEAR HOMES.
Jul 7, 3:40 PM CDTFLASH FLOOD1 Nne Clinton, MSWATER ENTERING A HOUSE ON NEAL ST.
Jul 7, 3:46 PM CDTFLASH FLOOD1 Ssw Jackson, MSMULTIPLE REPORTS OF STREET FLOODING IN SOUTH JACKSON.
Jul 7, 4:30 PM CDTFLASH FLOOD2 S Pearl, MSMULTIPLE ROADS UNDER WATER. OLD WHITFIELD ROAD NEAR FIRE ACADEMY DR, OLD BRANDON RD NEAR CITY HALL, S PEARSON ROAD AND HWY 468 SOUTH OF TOWN NEAR RAILROAD TRACKS.

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, 7.3 hours before the alert went out and 15 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1127 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1127 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
517 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

615 
WGUS54 KJAN 071916
FFWJAN
MSC049-121-072215-
/O.NEW.KJAN.FF.W.0061.210707T1916Z-210707T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
216 PM CDT Wed Jul 7 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  East Central Hinds County in central Mississippi...
  West Central Rankin County in central Mississippi...

* Until 515 PM CDT.

* At 216 PM CDT, Doppler radar indicated thunderstorms producing 
  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 1 to 3 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...
  Jackson, Clinton, Pearl, Brandon, Byram, Flowood, Richland and 
  Raymond.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3237 9039 3239 9019 3236 9002 3227 9000
      3220 9003 3219 9009 3218 9022 3219 9040
      3230 9042 3231 9041

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

DL
2 follow-up statements
446 
WGUS74 KJAN 072029
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
329 PM CDT Wed Jul 7 2021

MSC049-121-072215-
/O.CON.KJAN.FF.W.0061.000000T0000Z-210707T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hinds MS-Rankin MS-
329 PM CDT Wed Jul 7 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM CDT THIS 
AFTERNOON FOR EAST CENTRAL HINDS AND WEST CENTRAL RANKIN COUNTIES...

At 329 PM CDT, the public reported heavy rain across the warned 
area. Several streets were reported flooded in the Jackson and 
Clinton areas. Between 3 and 5 inches of rain have fallen. Flash 
flooding is already occurring.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Public reported.

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 are experiencing flash flooding include...
  Jackson, Clinton, Pearl and Richland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3237 9039 3238 9028 3233 9012 3229 9008
      3223 9007 3221 9014 3218 9022 3226 9032
      3229 9036 3231 9041

FLASH FLOOD...OBSERVED

$$

DL
059 
WGUS74 KJAN 072214
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
514 PM CDT Wed Jul 7 2021

MSC049-121-072224-
/O.EXP.KJAN.FF.W.0061.000000T0000Z-210707T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Hinds MS-Rankin MS-
514 PM CDT Wed Jul 7 2021

...FLASH FLOOD WARNING AT 515 PM CDT THIS AFTERNOON FOR EAST CENTRAL 
HINDS AND WEST CENTRAL RANKIN COUNTIES HAS BEEN REPLACED WITH A 
FLOOD WARNING...

Heavy rain has ended across the area, and flood waters are no longer 
rising. However, some roads remain flooded, so continue to use 
caution in these areas.

LAT...LON 3237 9039 3238 9028 3233 9012 3229 9008
      3223 9007 3221 9014 3218 9022 3226 9032
      3229 9036 3231 9041

$$

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 1:11 PM CDTSpecial Weather StatementJANHinds34 min
Jul 7, 1:13 PM CDTSpecial Weather StatementJANSimpson32 min
Jul 7, 2:46 PM CDTSpecial Weather StatementJANLeake59 min
Jul 7, 3:10 PM CDTFlash Flood WarningJANAttala, Holmes, Leake, Madison, Neshoba, Yazoo2 hr
Jul 7, 3:18 PM CDTSpecial Weather StatementJANAdams57 min
Jul 7, 3:24 PM CDTSpecial Weather StatementJANForrest51 min
Jul 7, 3:57 PM CDTSpecial Weather StatementJANLeake63 min
Jul 7, 4:42 PM CDTSpecial Weather StatementJANLincoln63 min
Jul 7, 5:14 PM CDTAreal Flood WarningJANHinds, Rankin61 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.