Alert archive / Mississippi / Flash Flood Warnings in 2017

Flash Flood Warning 65, NWS Jackson, MS

June 19, 2017Madison County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 19, 2017, 4:34 PM CDT for Madison County, Mississippi. It was in force for 3 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
Jun 19, 2017, 4:34 PM CDT (21:34 UTC)
Expired
Jun 19, 2017, 7:30 PM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

County Madison County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 27 km from the middle of the area, began a volume at 21:38 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
Jun 19, 4:40 PM CDTFLASH FLOOD6 Nne Madison, MSSOME STANDING WATER ON THE ROAD BETWEEN CHURCH AND YANDELL RD NEAR HWY 51.
Jun 19, 4:50 PM CDTFLASH FLOOD6 Nnw Madison, MSROAD COVERED IN WATER IN FIELDSTONE SUBDIVISION OFF DEWEES RD.
Jun 19, 4:55 PM CDTFLASH FLOODCanton, MSA NUMBER OF ROADS IN DOWNTOWN CANTON HAVE A LOT OF STANDING WATER.
Jun 19, 5:10 PM CDTFLASH FLOOD4 Nnw Madison, MSWATER COVERING THE ROAD AT THE INTERSECTION OF BOZEMAN ROAD AND REUNION PARKWAY. REPORT AND PICTURES RELAYED VIA SOCIAL MEDIA.

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, 9.6 hours before the alert went out and 22 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 2017-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 905 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 2017-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
905 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
768 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted.

858 
WGUS54 KJAN 192134
FFWJAN
MSC089-200030-
/O.NEW.KJAN.FF.W.0065.170619T2134Z-170620T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
434 PM CDT MON JUN 19 2017

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Southern Madison County in central Mississippi...

* Until 730 PM CDT

* At 433 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have 
  already fallen, especially over western Canton and northwest of 
  Madison. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Jackson, Madison, Ridgeland, Canton, Annandale, Gluckstadt, Sharon
  and Way.

Additional rainfall amounts of one to two inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3259 8981 3258 8986 3249 8996 3250 8998
      3249 8999 3248 9002 3244 9004 3244 9007
      3240 9007 3240 9024 3249 9024 3249 9032
      3262 9022 3276 9001

$$

DC
2 follow-up statements
666 
WGUS74 KJAN 192211
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
511 PM CDT MON JUN 19 2017

MSC089-200030-
/O.CON.KJAN.FF.W.0065.000000T0000Z-170620T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Madison MS-
511 PM CDT MON JUN 19 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHERN MADISON COUNTY...

At 506 PM CDT, Doppler radar indicated heavy rain across the warned 
area. Up to two to three inches of rain have already fallen. 
Emergency management reported flash flooding occurring with some 
areas with standing water in the Gluckstadt area near Yandell Road. 
Flash flooding is already occurring.

Some locations that will experience flooding include...
Jackson, Madison, Ridgeland, Canton, Annandale, Gluckstadt, Sharon
and Way.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3259 8981 3258 8986 3249 8996 3250 8998
      3249 8999 3248 9002 3244 9004 3244 9007
      3240 9007 3240 9024 3249 9024 3249 9032
      3262 9022 3276 9001

$$

DC
893 
WGUS74 KJAN 192337
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
637 PM CDT MON JUN 19 2017

MSC089-200030-
/O.CON.KJAN.FF.W.0065.000000T0000Z-170620T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Madison MS-
637 PM CDT MON JUN 19 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
SOUTHERN MADISON COUNTY...

At 633 PM CDT, emergency management reported flash flooding earlier 
in Gluckstadt area near Yandell Road where there were some areas 
with standing water near Church and Yandell Road near Highway 51. 
Also a road was covered in water in the Fieldstone Subdivision. 
Public reported water was also covering the road earlier at the 
intersection of Bozeman Road and Reunion Parkway. Up to three inches 
of rain fell in storms earlier in only around an hour. Flash 
flooding is already occurring.

Some locations that will experience flooding include...
Jackson, Madison, Ridgeland, Canton, Annandale, Gluckstadt, Sharon
and Way.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3259 8981 3258 8986 3249 8996 3250 8998
      3249 8999 3248 9002 3244 9004 3244 9007
      3240 9007 3240 9024 3249 9024 3249 9032
      3262 9022 3276 9001

$$

DC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 9:44 PM CDTSevere Thunderstorm WarningJANHinds, Madison, Warren, Yazoo35 min
Jun 18, 10:59 PM CDTSpecial Weather StatementJANWarren31 min
Jun 19, 2:44 PM CDTFlash Flood WatchJANAdams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more4 days
Jun 19, 3:27 PM CDTFlash Flood WarningJANHinds3 hr
Jun 19, 4:54 PM CDTFlash Flood WarningJANLauderdale3 hr
Jun 19, 6:26 PM CDTFlash Flood WarningJANClarke3 hr
Jun 19, 6:51 PM CDTFlash Flood WarningJANJones3 hr

Nearby

Flash Flood Warnings in Mississippi, 2017Every flash flood warning in 2017

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.