Alert archive / Mississippi / Flash Flood Warnings in 2017

Flash Flood Warning 38, NWS Jackson, MS

April 30, 2017Forrest County, Jones County, Lamar County, Mississippi

NWS Jackson, MS issued this flash flood warning at Apr 30, 2017, 9:50 PM CDT for Forrest County, Jones County, Lamar County, Mississippi. It was in force for 3 hr. 2 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
Apr 30, 2017, 9:50 PM CDT (02:50 UTC)
Expired
May 1, 2017, 12:45 AM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

Counties Forrest County, MS, Jones County, MS, Lamar County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 115 km from the middle of the area, began a volume at 02:53 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
Apr 30, 10:00 PM CDTHEAVY RAIN 5.451 Wsw Hattiesburg, MSAMOUNT THROUGH 10 PM AT HTBM6 COOP SITE.
Apr 30, 11:09 PM CDTFLASH FLOOD2 W Petal, MSMULTIPLE STREETS FLOODED IN HATTIESBURG AND PETAL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this flash flood warning; the first came 79 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.8 hours before the alert went out and 124 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 00:00Z on 2017-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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 00:00Z on 2017-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897Sfc1 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
20 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
692 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

417 
WGUS54 KJAN 010250
FFWJAN
MSC035-067-073-010545-
/O.NEW.KJAN.FF.W.0038.170501T0250Z-170501T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
950 PM CDT SUN APR 30 2017

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Forrest County in southeastern Mississippi...
  Northeastern Lamar County in southeastern Mississippi...
  Jones County in southeastern Mississippi...

* Until 1245 AM CDT

* At 948 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Three to four inches of rain 
  have fallen from storms earlier today. Flash flooding is expected 
  to begin shortly.

* Some locations that will experience flooding include...
  Hattiesburg, Laurel, Petal, Ellisville, West Hattiesburg, Purvis,
  Sandersville, Rawls Springs, Eastabuchie, Ovett, Mill Creek,
  Mclaurin, Tuckers Crossing, Sunrise, Macedonia, Moselle and Soso.

Additional rainfall amounts of one to two 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 3111 8950 3143 8944 3143 8940 3166 8940
      3178 8938 3182 8894 3143 8894 3143 8914
      3112 8915

$$

GRG
1 follow-up statement
213 
WGUS74 KJAN 010518
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
1218 AM CDT MON MAY 1 2017

MSC035-067-073-010528-
/O.CAN.KJAN.FF.W.0038.000000T0000Z-170501T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Forrest MS-Lamar MS-Jones MS-
1218 AM CDT MON MAY 1 2017

...THE FLASH FLOOD WARNING FOR FORREST...NORTHEASTERN LAMAR AND JONES
COUNTIES IS CANCELLED...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3111 8950 3143 8944 3143 8940 3166 8940
      3178 8938 3182 8894 3143 8894 3143 8914
      3112 8915

$$

DL

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, MS wrote its last area forecast discussion before this flash flood warning went out at Apr 30, 8:58 PM CDT, 52 minutes earlier.

Area forecast discussion, Apr 30, 8:58 PM CDT, 52 minutes before
Area Forecast Discussion...UPDATED
National Weather Service Jackson MS
858 PM CDT Sun Apr 30 2017

.UPDATE...
Updated for evening discussion.

&&

.DISCUSSION...
Leftover moisture axis over eastern sections has allowed for
convective development this evening as the cold front has closed
in. Although the latest HRRR data is showing this, it is somewhat
slow in its development. Regardless, convection should begin
picking up some eastward progress as the front holds its course.
As has already been the case, would not be surprised to see
another severe leftmover or two over southeast sections in the
better instability and shear, but should diminish before
midnight./26/

Prior discussion below:

along the Mississippi river this afternoon and is working its way
across the area. The bulk of the morning/early afternoon
convection has shifted off to the east of the area, but stratiform
and some embedded thunderstorms are occuring east of the I-55
corridor. Some shower/thunderstorm activity is developing behind
this stratiform shield, but feel these storms will remain below
strong/severe limits as the area has been worked over from the
morning/early afternoon storms.

The cold front will move across the area this afternoon through the
evening hours and this will bring in drier air along with clearing
skies as we get into the overnight hours. The winds will be breezy
out of the southwest after frontal passage overnight.

Monday will be a nice but breezy day across the ArkLaMiss with
mainly clear skies and highs in the mid/upper 70s. The winds will
gusty out of the southwest tomorrow afternoon, with gusts from 25-30
mph. /15/

Monday night through Sunday: Monday evening our winds aloft will
become near zonal as the closed low lifts farther to the northeast
across the Great Lakes region. A weak 1015mb surface high is
expected to be centered just off the southeast Louisiana coast.
The surface high will drift over southeast Mississippi and aid in
radiational cooling that will send temperatures into the lower 50s
Tuesday morning. Normal morning lows run in the upper 50s. Zonal
flow aloft will continue Tuesday as the surface high shifts
slightly east. Under decent insolation, temperatures will warm
into the low to mid 80s, which is a few degrees warmer than
normal. The dry weather will last into Wednesday morning but our
winds aloft will back to the southwest and waa will strengthen
over our west in advance of a northern stream shortwave digging
over the Plains. The GFS is perhaps the most aggressive with this
system in closing a low off over Arkansas by Thursday morning and
generating a deeper 1103mb surface low that looks to track across
or northwest zones Wednesday night. Wl start off Wednesday morning
with a PWAT less around three quarters of an inch but by evening
ahead of the cold front, models show PWATs surging to near two
inches across our southwest. The GFS and Canadian depict strongest
convection across our southern zones and south Wednesday night.
Considering the instability and shear, a few strong to severe
storms with heavy rainfall look possible. The GFS appears to be
the outlier this model run with a less progressive evolution of
the system. Model consensus ends the main rain chances over our
CWA late Thursday afternoon although an amplified upper level
trough will remain over our region until lifting out Saturday. As
a result low chances of light rain will continue over our
northeast through Friday. Elsewhere, dry weather is expected
Thursday evening through Sunday. Cooler than normal temperatures
are expected Thursday through Saturday morning. Highs Thursday and
Friday will be in the 60s at most locations. /22/

&&

.AVIATION...
00Z TAF discussion:
Ceilings will continue to slowly rise through the evening with VFR
conditions returning after 01/03Z. A few showers and possibly a
thunderstorms will still be possible around KMEI and KHBG until
01/03Z. Southerly winds will become southwesterly after 01/06Z,
but speeds will continue at 10 to 20 knots and gusts at 20 to 30
knots, especially after 01/15Z./26/

&&

.PRELIMINARY POINT TEMPS/POPS...
Jackson       52  78  53  83 /   7   0   0   3
Meridian      54  78  49  83 /  72   0   0   3
Vicksburg     51  78  52  84 /   1   0   0   3
Hattiesburg   53  81  51  85 /  87   0   0   1
Natchez       51  78  53  83 /   2   0   0   1
Greenville    51  76  54  81 /   1   0   0   4
Greenwood     52  75  51  81 /   4   0   0   4

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...None.
LA...None.
AR...None.

&&
Hazardous weather outlook, Apr 30, 3:24 PM CDT, 6 hours 26 minutes before
Hazardous Weather Outlook
National Weather Service Jackson MS
324 PM CDT Sun Apr 30 2017

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
012030-
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Catahoula-Tensas-Concordia-Bolivar-
Sunflower-Leflore-Grenada-Carroll-Montgomery-Webster-Clay-Lowndes-
Choctaw-Oktibbeha-Washington-Humphreys-Holmes-Attala-Winston-
Noxubee-Issaquena-Sharkey-Yazoo-Madison MS-Leake-Neshoba-Kemper-
Warren-Hinds-Rankin-Scott-Newton-Lauderdale-Claiborne-Copiah-
Simpson-Smith-Jasper-Clarke-Jefferson-Adams-Franklin MS-Lincoln-
Lawrence-Jefferson Davis-Covington-Jones-Marion-Lamar-Forrest-
324 PM CDT Sun Apr 30 2017

This hazardous weather outlook is for portions of southeast
Arkansas, northeast Louisiana, central Mississippi, north central
Mississippi, and south central Mississippi.

.DAY ONE...Tonight and Monday

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Monday night through Saturday

The probability for widespread hazardous weather is low.

.SPOTTER CALL TO ACTION STATEMENT...
The activation of storm spotters, HAM radio operators, and
emergency management personnel in support of severe weather
operations is not expected through next Saturday.

21

&&

...HAZARD LEGEND...

No short term hazards expected.

...USEFUL WEATHER WEB PAGES (URLS)...

NWS JAN Home page...
   www.weather.gov/jan
Stay Aware, Stay Safe NWS JAN Briefing Page...
   www.weather.gov/jan/safe
Latest Weather Briefing...
   www.weather.gov/jan/weather_briefing

Find NWS JAN on Facebook...
   www.facebook.com/NWSJacksonMS
Follow NWS JAN on Twitter...
   @NWSJacksonMS
Follow NWS JAN on Youtube...
   www.youtube.com/user/NWSJacksonMiss

In the hours before

Local storm report, Apr 30, 8:31 PM CDT, 1 hour 19 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
831 PM CDT SUN APR 30 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0814 PM     HAIL             2 NNW PETAL             31.37N 89.26W
04/30/2017  E1.00 INCH       FORREST            MS   EMERGENCY MNGR

            NICKEL TO QUARTER SIZE HAIL ALONG LEEVILLE
            ROAD.

&&

TW
Local storm report, Apr 30, 8:35 PM CDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
835 PM CDT SUN APR 30 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0823 AM     TORNADO          2 SW TERRY              32.08N 90.32W
04/30/2017                   HINDS              MS   NWS STORM SURVEY

            THIS WEAK TORNADO TOUCHED DOWN ALONG VOLLEY
            CAMPBELL ROAD AND MOVED ACROSS SOME PERSONAL
            PROPERTY. A COUPLE OF TREES WERE UPROOTED
            ALONG WITH MANY LARGE LIMBS BROKEN IN TREES.
            A METAL SHED HAD MOST OF THE ROOF OFF AND A
            COUPLE WALLS DAMAGED. A HORSE TRAILER WAS
            ROLLED AND THE BRICK HOME HAD SOME SIDING
            TORN OFF. THIS TORNADO MOVED THROUGH A
            WOODED AREA BEFORE DISSIPATING AS IT CROSS
            TANK ROAD. HERE, LARGE LIMBS WERE BROKEN OFF
            TREES AND A POWER POLE WAS LEFT LEANING. A
            BRIEF TORNADIC DEBRIS SIGNATURE WAS NOTED.

&&

TW
Local storm report, Apr 30, 8:38 PM CDT, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE JACKSON MS
838 PM CDT SUN APR 30 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0828 AM     TORNADO          3 ESE BOLTON            32.34N 90.41W
04/30/2017                   HINDS              MS   NWS STORM SURVEY

            THIS TORNADO TOUCHED DOWN ALONG ST. THOMAS
            ROAD AND PEAKED AS IT CROSSED I-20 ON THE
            WEST SIDE OF THE NORRELL ROAD EXIT. THE
            HEAVIEST TREE DAMAGE WAS ALONG BOTH FRONTAGE
            ROADS WHERE NUMEROUS TREES WERE
            SNAPPED/UPROOTED. A SEMI-TRUCK WAS TURNED
            OVER HERE AS WELL. THE TORNADO DOWNED TREES
            ACROSS THE RAILROAD AND FOR ANOTHER HALF
            MILE IN THE WOODS WEST OF WILLIAMSON ROAD.

&&

TW
Special weather statement, Apr 30, 9:01 PM CDT, 49 minutes before
Special Weather Statement
National Weather Service Jackson MS
901 PM CDT SUN APR 30 2017

MSZ052-058-010230-
Lauderdale MS-Clarke MS-
901 PM CDT SUN APR 30 2017

...A STRONG THUNDERSTORM WILL AFFECT CLARKE AND SOUTHEASTERN
LAUDERDALE COUNTIES UNTIL 930 PM CDT...

At 900 PM CDT, Meteorologists were tracking a strong thunderstorm
over Quitman, moving northeast at 70 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Sykes around 905 PM CDT.
  Middleton and Sable around 910 PM CDT.
  Increase and Snell around 915 PM CDT.
  Alamucha and Toomsuba around 925 PM CDT.
  Kewanee around 930 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High winds can bring down trees and large limbs resulting in serious
injury or property damage. Exercise extreme caution when outdoors
during such strong winds...and be especially aware of older trees.

&&

LAT...LON 3218 8844 3191 8868 3201 8885 3247 8851
      3242 8841
TIME...MOT...LOC 0200Z 215DEG 60KT 3203 8871

TW
Local storm report, Apr 30, 9:11 PM CDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
911 PM CDT SUN APR 30 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0450 AM     TORNADO          2 W OAK RIDGE           32.63N 91.81W
04/30/2017                   MOREHOUSE          LA   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN ALONG WITH
            SIGNIFICANT ROOF DAMAGE TO A HOME. DEBRIS
            SIGNATURE ALSO NOTED FROM KULM RADAR.

0455 AM     TSTM WND DMG     2 N OAK RIDGE           32.65N 91.77W
04/30/2017                   MOREHOUSE          LA   LAW ENFORCEMENT

            TREES DOWN ALONG HWY 425 N, POSSIBLE
            CONTINUATION OF TORNADO W OF OAK RIDGE.

0732 AM     TORNADO          1 SSE PORT GIBSON       31.94N 90.97W
04/30/2017                   CLAIBORNE          MS   AMATEUR RADIO

            TREES DOWN ALONG HWY 547 BY THE PORT GIBSON
            CITY LIMITS. TORNADO DEBRIS SIGNATURE ALSO
            OBSERVED ON RADAR.

0716 AM     TORNADO          1 WSW DELTA             32.32N 90.93W
04/30/2017                   MADISON            LA   LAW ENFORCEMENT

            PICTURE OF TORNADO ON THE GROUND TAKEN BY
            LAW ENFORCEMENT IN VICKSBURG. TORNADO DEBRIS
            SIGNATURE ALSO OBSERVED ON RADAR.

0600 AM     HEAVY RAIN       25 S JONESVILLE         31.27N 91.83W
04/30/2017  M3.91 INCH       CONCORDIA          LA   OFFICIAL NWS OBS

            24 HOUR RAINFALL TOTAL ENDING AT 7 AM AT
            ACML1 RIVER GAUGE.

0700 AM     HEAVY RAIN       1 S CROSSETT            33.11N 91.97W
04/30/2017  M3.46 INCH       ASHLEY             AR   COCORAHS

            24 HOUR RAINFALL AT COCORAHS STATION
            AR-AS-9.

0725 AM     TSTM WND DMG     4 N VICKSBURG           32.39N 90.86W
04/30/2017                   WARREN             MS   EMERGENCY MNGR

            POWER POLES SNAPPED ALONG NORTH WASHINGTON
            STREET.

0700 AM     HEAVY RAIN       19 SSE JONESVILLE       31.36N 91.74W
04/30/2017  M3.25 INCH       CONCORDIA          LA   OFFICIAL NWS OBS

            24 HOUR RAINFALL ENDING AT 7 AM AT WCGL1
            RIVER GAUGE.

0740 AM     TSTM WND DMG     13 NNE VICKSBURG        32.51N 90.81W
04/30/2017                   WARREN             MS   EMERGENCY MNGR

            TREES DOWN ALONG HWY 61N, POSSIBLE TORNADO.

0700 AM     HEAVY RAIN       3 NE JONESVILLE         31.65N 91.80W
04/30/2017  M2.52 INCH       CATAHOULA          LA   OFFICIAL NWS OBS

            24 HOUR RAINFALL AS OF 7 AM AT HARL1 RIVER
            GAUGE.

0525 AM     TSTM WND DMG     7 WSW WEST FERRIDAY     31.60N 91.69W
04/30/2017                   CONCORDIA          LA   LAW ENFORCEMENT

            NUMEROUS TREES AND POWER LINES DOWN
            THROUGHOUT THE PARISH.

0550 AM     TSTM WND DMG     FERRIDAY                31.63N 91.55W
04/30/2017                   CONCORDIA          LA   LAW ENFORCEMENT

            NUMEROUS TREES AND POWER LINES DOWN
            THROUGHOUT THE PARISH.

0700 AM     HEAVY RAIN       10 S JONESVILLE         31.48N 91.86W
04/30/2017  M2.18 INCH       CATAHOULA          LA   OFFICIAL NWS OBS

            24 HOUR RAINFALL AS OF 7 AM AT JNEL1 RIVER
            GAUGE.

0803 AM     TORNADO          2 N UTICA               32.13N 90.63W
04/30/2017                   HINDS              MS   EMERGENCY MNGR

            HOME DAMAGED AND TREES DOWN JUST NORTH OF
            UTICA.

0700 AM     TSTM WND DMG     5 ENE NATCHEZ           31.58N 91.31W
04/30/2017                   ADAMS              MS   EMERGENCY MNGR

            NUMEROUS TREES DOWN THROUGHOUT THE COUNTY.

0720 AM     TSTM WND DMG     4 N FAYETTE             31.77N 91.05W
04/30/2017                   JEFFERSON          MS   LAW ENFORCEMENT

            LOTS OF TREES AND POWER LINES DOWN ACROSS
            THE COUNTY WITH NUMEROUS POWER OUTAGES.

0800 AM     HEAVY RAIN       4 NE NATCHEZ            31.59N 91.34W
04/30/2017  M3.20 INCH       ADAMS              MS   CO-OP OBSERVER

            24 HOUR RAINFALL AS OF 8 AM AT NATM6,
            NATCHEZ CITY COOP.

0700 AM     HEAVY RAIN       2 SE CROSSETT           33.11N 91.95W
04/30/2017  M3.10 INCH       ASHLEY             AR   CO-OP OBSERVER

            24 HOUR RAINFALL AS OF 7 AM AT CRSA4,
            CROSSETT 2SSE COOP.

0726 AM     TORNADO          9 E FAYETTE             31.69N 90.90W
04/30/2017                   JEFFERSON          MS   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN WITH LOTS OF
            POWER OUTAGES. TORNADO DEBRIS SIGNATURE
            OBSERVED ON RADAR.

0827 AM     TSTM WND DMG     1 NNW BOLTON            32.36N 90.46W
04/30/2017                   HINDS              MS   PUBLIC

            REPORT OF TREES DOWN ALONG US HIGHWAY 80
            THROUGH BOLTON RECEIVED VIA TWITTER.

0846 AM     TSTM WND DMG     1 S FLORA               32.53N 90.31W
04/30/2017                   MADISON            MS   AMATEUR RADIO

            TREES AND POWER LINES DOWN ALONG 1ST STREET
            NEAR DOWNTOWN FLORA. POSSIBLE TORNADO.

0655 AM     HEAVY RAIN       2 SE BASTROP            32.75N 91.88W
04/30/2017  M1.73 INCH       MOREHOUSE          LA   AWOS

            24 HOUR RAINFALL AS OF 7 AM AT BQP,
            MOREHOUSE MEMORIAL AIRPORT.

0900 AM     FLASH FLOOD      3 N VICKSBURG           32.37N 90.87W
04/30/2017                   WARREN             MS   EMERGENCY MNGR

            FLASH FLOODING ONGOING ALONG NORTH
            WASHINGTON STREET.

0900 AM     FLASH FLOOD      3 ENE VICKSBURG         32.34N 90.83W
04/30/2017                   WARREN             MS   EMERGENCY MNGR

            ONGOING FLASH FLOODING ALONG HWY 27 SOUTH.

0900 AM     FLASH FLOOD      6 NE VICKSBURG          32.39N 90.80W
04/30/2017                   WARREN             MS   EMERGENCY MNGR

            ONGOING FLASH FLOODING ALONG OAKRIDGE ROAD.

0810 AM     TSTM WND DMG     HAZLEHURST              31.86N 90.39W
04/30/2017                   COPIAH             MS   LAW ENFORCEMENT

            NUMEROUS TREES AND POWER LINES BLOWN DOWN
            ACROSS THE COUNTY.

0815 AM     TSTM WND DMG     CRYSTAL SPRINGS         31.99N 90.36W
04/30/2017                   COPIAH             MS   LAW ENFORCEMENT

            NUMEROUS TREES AND POWER LINES BLOWN DOWN
            ACROSS THE COUNTY.

0847 AM     TSTM WND DMG     FLORA                   32.54N 90.31W
04/30/2017                   MADISON            MS   LAW ENFORCEMENT

            BUILDINGS DAMAGED IN FLORA WITH NUMEROUS
            TREES AND POWER LINES DOWN AROUND TOWN.
            POSSIBLE TORNADO.

0620 AM     TSTM WND DMG     4 SSW NATCHEZ           31.50N 91.42W
04/30/2017                   ADAMS              MS   EMERGENCY MNGR

            NUMEROUS TREES REPORTED DOWN ALONG
            CLOVERDALE AND BOURKE ROADS. POWER OUTAGES
            AND DAMAGE TO VEHICLES ALSO REPORTED.

0908 AM     TORNADO          12 NW CANTON            32.75N 90.14W
04/30/2017                   YAZOO              MS   EMERGENCY MNGR

            STRUCTURE DAMAGE AND TREES DOWN AT THE
            INTERSECTION OF BERRYVILLE ROAD AND HWY 16
            EAST. DAMAGE ALSO REPORTED ALONG SCOTLAND,
            NOD ROAD, LINWOOD ROAD AND DOVER ROAD AND
            TORNADO DEBRIS SIGNATURE OBSERVED ON RADAR.

0822 AM     TSTM WND DMG     1 SSE CLINTON           32.32N 90.33W
04/30/2017                   HINDS              MS   AMATEUR RADIO

            TREES DOWN ALONG SPRINGRIDGE ROAD IN
            CLINTON.

0820 AM     TSTM WND DMG     3 SW CLINTON            32.31N 90.37W
04/30/2017                   HINDS              MS   AMATEUR RADIO

            TREES DOWN ALONG MIDWAY ROAD.

0800 AM     TSTM WND DMG     3 N UTICA               32.14N 90.62W
04/30/2017                   HINDS              MS   EMERGENCY MNGR

            DAMAGE TO 5 HOMES AND POWER OUTAGES REPORTED
            FROM POSSIBLE TORNADO NEAR UTICA.

0937 AM     TSTM WND GST     6 ESE GREENWOOD         33.49N 90.09W
04/30/2017  M71 MPH          CARROLL            MS   ASOS

            71MPH GUST MEASURED AT GREENWOOD-LEFLORE
            AIRPORT.

0800 AM     HEAVY RAIN       20 SSW JONESVILLE       31.35N 91.94W
04/30/2017  M3.53 INCH       CATAHOULA          LA   OFFICIAL NWS OBS

            EVENT TOTAL RAINFALL AT LRTL1 RIVER GAUGE.

0922 AM     FLASH FLOOD      1 ESE BENTONIA          32.64N 90.36W
04/30/2017                   YAZOO              MS   EMERGENCY MNGR

            FLASH FLOODING AFFECTING THE ENTIRE BENTONIA
            COMMUNITY. HIGHWAY 49 WAS UNDER WATER.
            HIGHWAY 433 AT MARTIN ROAD WAS FLOODED.

0827 AM     TSTM WND DMG     6 WNW YAZOO CITY        32.88N 90.52W
04/30/2017                   YAZOO              MS   LAW ENFORCEMENT

            NUMEROUS TREES DOWN ACROSS THE COUNTY.

0800 AM     HEAVY RAIN       36 SSW VIDALIA          31.07N 91.58W
04/30/2017  M2.46 INCH       CONCORDIA          LA   OFFICIAL NWS OBS

            24 HOUR RAINFALL AS OF 8 AM AT KLML1 RIVER
            GAUGE.

0900 AM     HEAVY RAIN       9 S NATCHEZ             31.42N 91.40W
04/30/2017  M3.35 INCH       ADAMS              MS   COCORAHS

            24 HOUR RAINFALL AT COCORAHS STATION
            MS-AD-1, NATCHEZ 8.8 S.

0905 AM     HEAVY RAIN       4 S BUDE                31.41N 90.85W
04/30/2017  M2.39 INCH       FRANKLIN           MS   OFFICIAL NWS OBS

            24 HOUR RAINFALL AS OF 9 AM AT BDEM6 RIVER
            GAUGE.

0900 AM     HEAVY RAIN       9 N VICKSBURG           32.45N 90.89W
04/30/2017  M2.24 INCH       ISSAQUENA          MS   OFFICIAL NWS OBS

            24 HOUR RAINFALL AS OF 9 AM AT SBSM6 RIVER
            GAUGE.

0810 AM     TSTM WND DMG     BROOKHAVEN              31.58N 90.44W
04/30/2017                   LINCOLN            MS   EMERGENCY MNGR

            A FEW TREES DOWN AROUND TOWN INCLUDING ONE
            ON A HOUSE.

0833 AM     TSTM WND DMG     FLORENCE                32.15N 90.13W
04/30/2017                   RANKIN             MS   LAW ENFORCEMENT

            TREES DOWN IN FLORENCE.

0848 AM     TSTM WND DMG     6 ENE FLOWOOD           32.37N 90.02W
04/30/2017                   RANKIN             MS   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN NEAR THE
            INTERSECTION OF SPILLWAY ROAD AND GRANTS
            FERRY ROAD.

0855 AM     TSTM WND DMG     5 SW PELAHATCHIE        32.27N 89.86W
04/30/2017                   RANKIN             MS   LAW ENFORCEMENT

            TREES DOWN ALONG RANKIN ROAD.

0943 AM     TORNADO          6 NE FOREST             32.42N 89.40W
04/30/2017                   SCOTT              MS   EMERGENCY MNGR

            TREES AND POWER LINES DOWN ALONG RUSSELL
            COMMUNITY ROAD.

0956 AM     TSTM WND DMG     1 SE VAIDEN             33.32N 89.74W
04/30/2017                   CARROLL            MS   TRAINED SPOTTER

            TREES DOWN ON HWY 35 SOUTH OF VAIDEN,
            POSSIBLE TORNADO.

0930 AM     TSTM WND DMG     3 WNW GOODMAN           32.98N 89.96W
04/30/2017                   HOLMES             MS   DEPT OF HIGHWAYS

            MDOT REPORTS TREES ACROSS I-55, POSSIBLE
            TORNADO.

0934 AM     TSTM WND DMG     1 N FOREST              32.36N 89.47W
04/30/2017                   SCOTT              MS   LAW ENFORCEMENT

            LOTS OF TREES AND POWER LINES BLOWN DOWN
            ACROSS THE COUNTY INCLUDING THE CITY OF
            FOREST AND SEBASTOPOL.

0812 AM     TORNADO          1 S LEARNED             32.18N 90.54W
04/30/2017                   HINDS              MS   EMERGENCY MNGR

            TREE TOPS TAKEN OFF 15-20 TREES ON LEARNED
            ROAD.

0805 AM     TSTM WND DMG     10 SW EDWARDS           32.24N 90.73W
04/30/2017                   WARREN             MS   DEPT OF HIGHWAYS

            MDOT REPORTS TREES DOWN NEAR BIG BLACK
            BRIDGE ON HWY 27.

0846 AM     TORNADO          FLORA                   32.54N 90.31W
04/30/2017                   MADISON            MS   BROADCAST MEDIA

            TOP OF OLD WATER TOWER BLOWN DOWN IN FLORA.
            LIKELY TORNADO.

0953 AM     TSTM WND DMG     1 W KOSCIUSKO           33.06N 89.61W
04/30/2017                   ATTALA             MS   LAW ENFORCEMENT

            NUMEROUS TREES AND POWER LINES DOWN ALL
            ACROSS THE COUNTY.

1015 AM     TSTM WND DMG     3 WSW TUCKER            32.69N 89.10W
04/30/2017                   NESHOBA            MS   EMERGENCY MNGR

            TREE ON POWER LINE ON CR-505.

1011 AM     TSTM WND DMG     COLUMBIA                31.25N 89.83W
04/30/2017                   MARION             MS   LAW ENFORCEMENT

            MULTIPLE TREES DOWN ACROSS THE COUNTY.

0840 AM     TSTM WND DMG     7 SSW FLORA             32.47N 90.37W
04/30/2017                   HINDS              MS   EMERGENCY MNGR

            THERE WAS DAMAGE TO HOUSES, INCLUDING ROOF
            DAMAGE AND WINDOWS BLOWN OUT.

1022 AM     TSTM WND DMG     7 ENE DUCK HILL         33.66N 89.60W
04/30/2017                   MONTGOMERY         MS   LAW ENFORCEMENT

            LOTS OF TREES AND POWER LINES DOWN ALL
            ACROSS THE COUNTY.

0938 AM     TORNADO          DURANT                  33.09N 89.85W
04/30/2017                   HOLMES             MS   DEPT OF HIGHWAYS

            MDOT REPORTS MULTIPLE TREES/POWER LINES DOWN
            ACROSS HWY-51.

1013 AM     TSTM WND DMG     1 S GRENADA             33.77N 89.81W
04/30/2017                   GRENADA            MS   EMERGENCY MNGR

            TREES DOWN IN THE CITY OF GRENADA.

1043 AM     TSTM WND DMG     6 ENE SUMRALL           31.44N 89.45W
04/30/2017                   COVINGTON          MS   EMERGENCY MNGR

            REPORT OF POWER LINE DOWN ON LOTT TOWN RD.

1049 AM     TSTM WND DMG     7 E SUMRALL             31.42N 89.43W
04/30/2017                   FORREST            MS   EMERGENCY MNGR

            POWER LINES DOWN ON LOTT TOWN RD.

0930 AM     TSTM WND DMG     GOODMAN                 32.97N 89.92W
04/30/2017                   HOLMES             MS   PUBLIC

            PICTURES OF NUMEROUS TREES AND POWER LINES
            DOWN ON THE CAMPUS OF HOLMES COMMUNITY
            COLLEGE. POSSIBLE TORNADO.

1138 AM     TSTM WND DMG     4 N NEW HOPE            33.50N 88.33W
04/30/2017                   LOWNDES            MS   EMERGENCY MNGR

            TREES DOWN NEAR THE INTERSECTION OF MILL AND
            PHILLIPS HILL ROADS. ONE TREE WAS BLOWN DOWN
            ON A HOUSE ALONG PHILLIPS HILL ROAD.

1150 AM     TSTM WND DMG     5 ENE COLUMBUS          33.53N 88.32W
04/30/2017                   LOWNDES            MS   EMERGENCY MNGR

            LOTS OF TREES AND POWER LINES DOWN AND 7-8
            HOMES DAMAGE FROM A POSSIBLE TORNADO BETWEEN
            HWY 182, PHILLIPS HILL ROAD, TABERNACLE
            ROAD, HWY 50 AND GUNSHOOT ROAD.

1028 AM     TSTM WND DMG     12 NW WALTHALL          33.71N 89.45W
04/30/2017                   WEBSTER            MS   EMERGENCY MNGR

            TREES DOWN IN CADERETTA, INCLUDING 2 ON
            HOMES.

1125 AM     LIGHTNING        1 S PETAL               31.32N 89.25W
04/30/2017                   FORREST            MS   EMERGENCY MNGR

            LIGHTNING STUCK A POWER POLE AND THE FALLING
            LINES CAUSED A MOBILE HOME TO CATCH ON FIRE.

1125 AM     LIGHTNING        1 SW PETAL              31.33N 89.27W
04/30/2017                   FORREST            MS   EMERGENCY MNGR

            LIGHTNING STRUCK AN APARTMENT COMPLEX AND
            CAUGHT A BUILDING ON FIRE.

0955 AM     TSTM WND DMG     3 NNW CONEHATTA         32.49N 89.29W
04/30/2017                   NEWTON             MS   EMERGENCY MNGR

            TREE DOWN ACROSS CONEHATTA PROSPECT ROAD.

1246 PM     FLASH FLOOD      2 E WEST HATTIESBURG    31.32N 89.35W
04/30/2017                   LAMAR              MS   AMATEUR RADIO

            FLOODING OCCURRED ON SOUTH 40TH STREET NEAR
            MANCHESTER.

0840 AM     TSTM WND DMG     5 NW MADISON            32.50N 90.18W
04/30/2017                   MADISON            MS   BROADCAST MEDIA

            TREES WERE BLOWN DOWN IN WHISPER LAKE.

1137 AM     LIGHTNING        4 N BASSFIELD           31.56N 89.74W
04/30/2017                   JEFFERSON DAVIS    MS   EMERGENCY MNGR

            PERSON STRUCK BY LIGHTNING AS THEY WERE
            GETTING INSIDE THEIR TRUCK AND OTHER CARS AT
            THE RESIDENCE WERE STRUCK AS WELL ALONG
            BLACK POLK ROAD.

0732 AM     TORNADO          2 ENE PORT GIBSON       31.96N 90.96W
04/30/2017                   CLAIBORNE          MS   BROADCAST MEDIA

            TREES WERE BLOWN DOWN ALONG THE NATCHEZ
            TRACE BETWEEN MILE MARKER 35 AND 45.

1250 PM     FLASH FLOOD      1 S LAUREL              31.67N 89.14W
04/30/2017                   JONES              MS   EMERGENCY MNGR

            FLASH FLOODING NEAR THE INTERSECTION OF
            JULIAN STREET AND ELLISVILLE BLVD.

1250 PM     FLASH FLOOD      1 S LAUREL              31.68N 89.14W
04/30/2017                   JONES              MS   EMERGENCY MNGR

            FLASH FLOODING ALONG QUEEN STREET.

1135 AM     TSTM WND DMG     4 E LAUREL              31.70N 89.07W
04/30/2017                   JONES              MS   EMERGENCY MNGR

            TREES DOWN ALONG HWY 184.

0937 AM     TSTM WND DMG     6 ESE GREENWOOD         33.49N 90.09W
04/30/2017                   CARROLL            MS   BROADCAST MEDIA

            STRUCTURAL DAMAGE REPORTED AT THE
            GREENWOOD-LEFLORE AIRPORT.

0955 AM     TSTM WND DMG     1 E VAIDEN              33.33N 89.74W
04/30/2017                   CARROLL            MS   BROADCAST MEDIA

            MOBILE HOME AND A HOUSE SUSTAINED STRUCTURAL
            DAMAGE WITHIN THE CITY LIMITS OF VAIDEN.

0810 AM     TORNADO          3 SSW LEARNED           32.16N 90.57W
04/30/2017                   HINDS              MS   NWS STORM SURVEY

            THIS TORNADO TOUCHED DOWN JUST SW OF THE
            INTERSECTION OF ADAMS STATION ROAD AND OLD
            ADAMS STATION ROAD. HERE, HEAVY TREE DAMAGE
            WAS NOTED AS DOZENS OF TREES WERE
            SNAPPED/UPROOTED. A POWER LINE WAS DOWN HERE
            AS WELL. THE TORNADO THEN CROSSED LEARNED
            ROAD, JUST S OF LEARNED, AND DAMAGED DOZENS
            OF TREES. THE TORNADO CONTINUED NE AND
            CROSSED HOLIDAY ROAD WHERE TREE DAMAGE WAS
            NOTED. THE TORNADO HAD WEAKENED BY THIS
            POINT. THE TORNADO TRACKED OVER SOME PASTURE
            AND FARM LAND AND DISSIPATED AS IT CROSSED
            OAKLEY ROAD.

0822 AM     TORNADO          3 S BOLTON              32.31N 90.47W
04/30/2017                   HINDS              MS   NWS STORM SURVEY

            THIS TORNADO TOUCHED DOWN SOUTH OF BOLTON
            ALONG HOUSTON ROAD. THE TORNADO QUICKLY
            INTENSIFIED AS IT CROSSED RAYMOND- BOLTON RD
            WHERE NUMEROUS TREES WERE DAMAGED. HEAVY
            TREE DAMAGE AGAIN WAS NOTED AS THE TORNADO
            CROSSED AIRPLANE AND ST. THOMAS ROADS. THE
            ROADS WERE BLOCKED BY NUMEROUS TREES AND TWO
            POWER POLES WERE SNAPPED ALONG AIRPLANE RD.
            THE TORNADO THEN MOVED TO JUST EAST OF
            BOLTON WHERE IT CROSSED THE BOLTON CEMETERY.
            HERE NUMEROUS TREES WERE DAMAGED. A HOME
            SUSTAINED MINOR ROOF DAMAGE HERE AND A METAL
            TRACTOR SHED WAS DESTROYED. MORE TREES WERE
            DOWNED ON THE FRONTAGE ROADS ALONG I-20 AND
            A LARGE BILLBOARD WAS DAMAGED. THE TORNADO
            THEN MOVED ACROSS FIELDS WEST OF W NORTHSIDE
            DR. ONE MOBILE HOME HAD PART OF THE TIN ROOF
            TORN OFF. MORE HEAVY TREE DAMAGE WAS
            OBSERVED ON EDWARDS RD AND THEN AGAIN AS IT
            CROSSED JIMMY WILLIAMS RD. HERE THE TORNADO
            INTENSIFIED AND REACHED ITS WIDEST POINT.
            ADDITIONAL TREE DAMAGE OCCURRED ACROSS
            LORANCE RD AND THEN AGAIN ACROSS
            CLINTON-TINNIN RD. THE TORNADO DISSIPATED
            NORTHEAST OF THAT POINT.

0809 PM     HAIL             1 ENE WEST HATTIESBURG  31.32N 89.36W
04/30/2017  E1.00 INCH       LAMAR              MS   BROADCAST MEDIA

            QUARTER SIZE HAIL AT PCS SCHOOL IN
            HATTIESBURG.

0812 PM     HAIL             5 NNW HATTIESBURG       31.38N 89.32W
04/30/2017  E1.75 INCH       FORREST            MS   EMERGENCY MNGR

            GOLF BALL SIZE HAIL AT EXIT 69 OFF I-59.

0811 PM     HAIL             1 WNW PETAL             31.35N 89.26W
04/30/2017  E1.75 INCH       FORREST            MS   EMERGENCY MNGR

            GOLF BALL SIZE HAIL REPORTED IN PETAL.

0814 PM     HAIL             2 NNW PETAL             31.37N 89.26W
04/30/2017  E1.00 INCH       FORREST            MS   EMERGENCY MNGR

            NICKEL TO QUARTER SIZE HAIL ALONG LEEVILLE
            ROAD.

0823 AM     TORNADO          2 SW TERRY              32.08N 90.32W
04/30/2017                   HINDS              MS   NWS STORM SURVEY

            THIS WEAK TORNADO TOUCHED DOWN ALONG VOLLEY
            CAMPBELL ROAD AND MOVED ACROSS SOME PERSONAL
            PROPERTY. A COUPLE OF TREES WERE UPROOTED
            ALONG WITH MANY LARGE LIMBS BROKEN IN TREES.
            A METAL SHED HAD MOST OF THE ROOF OFF AND A
            COUPLE WALLS DAMAGED. A HORSE TRAILER WAS
            ROLLED AND THE BRICK HOME HAD SOME SIDING
            TORN OFF. THIS TORNADO MOVED THROUGH A
            WOODED AREA BEFORE DISSIPATING AS IT CROSS
            TANK ROAD. HERE, LARGE LIMBS WERE BROKEN OFF
            TREES AND A POWER POLE WAS LEFT LEANING. A
            BRIEF TORNADIC DEBRIS SIGNATURE WAS NOTED.

0828 AM     TORNADO          3 ESE BOLTON            32.34N 90.41W
04/30/2017                   HINDS              MS   NWS STORM SURVEY

            THIS TORNADO TOUCHED DOWN ALONG ST. THOMAS
            ROAD AND PEAKED AS IT CROSSED I-20 ON THE
            WEST SIDE OF THE NORRELL ROAD EXIT. THE
            HEAVIEST TREE DAMAGE WAS ALONG BOTH FRONTAGE
            ROADS WHERE NUMEROUS TREES WERE
            SNAPPED/UPROOTED. A SEMI-TRUCK WAS TURNED
            OVER HERE AS WELL. THE TORNADO DOWNED TREES
            ACROSS THE RAILROAD AND FOR ANOTHER HALF
            MILE IN THE WOODS WEST OF WILLIAMSON ROAD.

1020 AM     TSTM WND DMG     FOREST                  32.36N 89.47W
04/30/2017                   SCOTT              MS   LAW ENFORCEMENT

            LOTS OF TREES AND POWER LINES BLOWN DOWN
            ACROSS THE COUNTY INCLUDING THE CITY OF
            FOREST AND SEBASTOPOL.

0818 AM     TSTM WND DMG     BROOKHAVEN              31.58N 90.44W
04/30/2017                   LINCOLN            MS   EMERGENCY MNGR

            A FEW TREES DOWN AROUND TOWN INCLUDING ONE
            ON A HOUSE.

0814 AM     HAIL             2 NNW PETAL             31.37N 89.26W
04/30/2017  E1.00 INCH       FORREST            MS   PUBLIC

            NICKEL TO QUARTER SIZE HAIL ALONG LEEVILLE
            ROAD.

0600 AM     HEAVY RAIN       20 SSW JONESVILLE       31.35N 91.94W
04/30/2017  M2.80 INCH       CATAHOULA          LA   OFFICIAL NWS OBS

            24 HOUR RAINFALL AS OF 6 AM AT LRTL1 RIVER
            GAUGE.

&&
Local storm report, Apr 30, 9:20 PM CDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
920 PM CDT SUN APR 30 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0807 PM     HAIL             1 NW HATTIESBURG        31.32N 89.32W
04/30/2017  E1.00 INCH       FORREST            MS   BROADCAST MEDIA

            NICKEL TO QUARTER SIZE HAIL NEAR THE
            HATTIESBURG ZOO.

&&

TW

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 7:47 PM CDTSpecial Weather StatementJANForrest28 min
Apr 30, 8:00 PM CDTSevere Thunderstorm WarningJANForrest, Lamar30 min
Apr 30, 8:13 PM CDTSpecial Weather StatementJANJones32 min
Apr 30, 9:01 PM CDTSpecial Weather StatementJANClarke29 min
Apr 30, 10:51 PM CDTSpecial Weather StatementJANClarke54 min
Apr 30, 10:57 PM CDTSevere Thunderstorm WarningJANClarke33 min
Apr 30, 10:59 PM CDTFlash Flood WarningJANClarke3 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.