Alert archive / Mississippi / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 337, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jul 16, 2009, 8:27 PM CDT for Coahoma County, Mississippi; Phillips County, Arkansas. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 16, 2009, 8:27 PM CDT (01:27 UTC)
- Expired
- Jul 16, 2009, 9:30 PM CDT
- In force
- 63 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Phillips County, AR, Coahoma County, MS
The radar
The Memphis radar (KNQA), 137 km from the middle of the area, began a volume at 01:28 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 16, 7:53 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 1.5 hours before the alert went out and 90 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
- 185 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1392 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 16, 6:04 PM CDT, 2 hours 23 minutes earlier.
Area forecast discussion, Jul 16, 6:04 PM CDT, 2 hours 23 minutes before
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</html>Hazardous weather outlook, Jul 16, 8:05 PM CDT, 22 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 805 PM CDT THU JUL 16 2009 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-180315- ALCORN-BENTON MS-CALHOUN-CARROLL-CHESTER-CHICKASAW-CLAY-COAHOMA- CRAIGHEAD-CRITTENDEN-CROCKETT-CROSS-DESOTO-DECATUR-DUNKLIN-DYER- FAYETTE-GIBSON-GREENE-HARDEMAN-HARDIN-HAYWOOD-HENDERSON-HENRY- ITAWAMBA-LAFAYETTE-LAKE-LAUDERDALE-LAWRENCE-LEE AR-LEE MS-MADISON- MARSHALL-MCNAIRY-MISSISSIPPI-MONROE-OBION-PANOLA-PEMISCOT- PHILLIPS-POINSETT-PONTOTOC-PRENTISS-QUITMAN-RANDOLPH-SHELBY- ST. FRANCIS-TALLAHATCHIE-TATE-TIPPAH-TIPTON-TISHOMINGO-TUNICA- UNION-WEAKLEY-YALOBUSHA- 805 PM CDT THU JUL 16 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS... THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE. .DAY ONE...TONIGHT THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS SOUTH OF A HELENA ARKANSAS TO WATER VALLEY MISSISSIPPI LINE THROUGH MIDNIGHT CDT. DAMAGING WIND GUSTS UP TO 60 ARE THE MAIN HAZARD. FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL OF 2 TO 4 INCHES WHICH MAY CAUSE FLASH FLOODING...AND HAIL UP TO THE SIZE OF NICKELS ARE POSSIBLE. A FEW ADDITIONAL STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS THE REST OF THE MIDSOUTH AND FORECAST AREA TONIGHT WITH GUSTY WINDS UP TO 60 MPH...FREQUENT CLOUD TO GROUND LIGHTNING... HEAVY RAINFALL OF 1 TO 3 INCHES...AND SMALL HAIL. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE ON FRIDAY ALONG AND AHEAD OF A STRONG COLD FRONT. THE MAIN HAZARDS WILL BE STRONG GUSTY WINDS AND LOCALLY HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE NECESSARY THROUGH MIDSOUTH CDT SOUTH OF A HELENA ARKANSAS TO WATER VALLEY MISSISSIPPI LINE. SPOTTER ACTIVATION MAY BE NECESSARY IN A FEW LOCATIONS ACROSS THE REST OF THE MIDSOUTH AND FORECAST AREA TONIGHT. SPOTTER ACTIVATION MAY BE NEEDED ON FRIDAY. MBS
In the hours before
Local storm report, Jul 16, 7:11 PM CDT, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
711 PM CDT THU JUL 16 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0220 AM TSTM WND DMG 5 SE RIPLEY 35.69N 89.47W
07/16/2009 LAUDERDALE TN LAW ENFORCEMENT
2 LARGE TREES DOWN
0225 AM TSTM WND DMG OSCEOLA 35.70N 89.99W
07/16/2009 MISSISSIPPI AR LAW ENFORCEMENT
TREES DOWN IN OSCEOLA.
0511 AM FLASH FLOOD 16 W HENNING 35.67N 89.86W
07/16/2009 LAUDERDALE TN PUBLIC
LOCALIZED FLOODING IN LOW LYING AREAS SOUTH OF GOLDDUST
0514 AM FLASH FLOOD OSCEOLA 35.70N 89.99W
07/16/2009 MISSISSIPPI AR LAW ENFORCEMENT
BACK ROADS IN THE VICINTY OF OSCEOLA BECOMING
IMPASSABLE...SLOW TRANSITION THROUGH THE MAJOR CORRIDORS
0524 AM FLASH FLOOD CORNING 36.41N 90.59W
07/16/2009 CLAY AR LAW ENFORCEMENT
LOCALIZED FLOODING IN THE LOW LYING AREAS IN THE VICINITY
OF CORNING
0630 AM FLASH FLOOD 2 S BARTLETT 35.19N 89.84W
07/16/2009 SHELBY TN BROADCAST MEDIA
INTERSTATES 240 AND 40 FLYOVER. TRAFFIC DOWN TO ONE LANE
DUE TO STANDING WATER ON THE FREEWAYS
0632 AM FLASH FLOOD OSCEOLA 35.70N 89.99W
07/16/2009 MISSISSIPPI AR LAW ENFORCEMENT
MISSIPPI COUNTY DISPATCH REPORTS THAT A COUPLE COUNTY
EMPLOYEES UNABLE TO LEAVE THEIR HOUSES IN OSCEOLA DUE TO
FLOODING AND +TSRA AS OF 632 AM CDT
0710 AM FLASH FLOOD EARLE 35.27N 90.46W
07/16/2009 CRITTENDEN AR FIRE DEPT/RESCUE
EXCESSIVE WATER ON ROADWAYS
0750 AM FLASH FLOOD OLIVE BRANCH 34.95N 89.83W
07/16/2009 DESOTO MS PUBLIC
NEAR OLIVE BRANCH MIDDLE AND HIGH SCHOOLS...BLOCKER AND
SANDIDGE STREETS
0800 AM TSTM WND GST SENATOBIA 34.62N 89.97W
07/16/2009 E60.00 MPH TATE MS LAW ENFORCEMENT
ESTIMATED 60 MPH WINDS IN SENATOBIA.
0835 AM TSTM WND DMG BATESVILLE 34.32N 89.94W
07/16/2009 PANOLA MS LAW ENFORCEMENT
TREE DOWN ON HIGHWAY 6 JUST EAST OF BATESVILLE BLOCKING
BOTH LANES OF TRAFFIC.
0843 AM TSTM WND GST OXFORD 34.36N 89.53W
07/16/2009 E60.00 MPH LAFAYETTE MS TRAINED SPOTTER
ESTIMATED 60 MPH WINDS IN OXFORD.
0845 AM FLASH FLOOD 1 W BARTLETT 35.22N 89.85W
07/16/2009 SHELBY TN TRAINED SPOTTER
HENRY CREEK WAS OVER BANK ON NORTH SIDE OF OLD
BROWNSVILLE ROAD...BANKFULL ON SOUTH SIDE. CREEK ABOUT 1
FOOT BELOW FROM OVERFLOWING ONTO OLD BROWNSVILLE ROAD.
0912 AM TSTM WND DMG THAXTON 34.31N 89.17W
07/16/2009 PONTOTOC MS FIRE DEPT/RESCUE
TREES DOWN IN TOWN.
0920 AM FLASH FLOOD BATESVILLE 34.32N 89.94W
07/16/2009 PANOLA MS LAW ENFORCEMENT
EXCESSIVE WATER ON ROADWAYS
&&
JABSpecial weather statement, Jul 16, 8:20 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 820 PM CDT THU JUL 16 2009 ARZ058-MSZ010-170200- PHILLIPS AR-COAHOMA MS- 820 PM CDT THU JUL 16 2009 ...THIS SIGNIFICANT WEATHER ALERT IS FOR... WESTERN PHILLIPS COUNTY IN EASTERN ARKANSAS... WEST CENTRAL COAHOMA COUNTY IN NORTHWEST MISSISSIPPI... A LINE OF STRONG THUNDERSTORMS PRODUCING PEA TO DIME SIZE HAIL AND 40 TO 50 MPH WINDS WAS LOCATED FROM 25 MILES NORTHWEST OF MARVELL TO 13 MILES SOUTHWEST OF WHITE RIVER NATIONAL WILDLIFE REFUGE AT 819 PM CDT...MOVING EAST AT 35 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS THUNDERSTORM. THESE STORMS COULD BECOME SEVERE. PEOPLE IN COAHOMA AND PHILLIPS COUNTIES...INCLUDING LOCATIONS NEAR ELAINE...MARVELL AND WHITE RIVER NATIONAL WILDLIFE REFUGE...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES OLD TOWN LAKE. .A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 9:14 PM CDT | Severe Thunderstorm Warning | MEG | Coahoma, Quitman, Tallahatchie | 61 min |
| Jul 16, 10:03 PM CDT | Severe Thunderstorm Warning | MEG | Tallahatchie | 42 min |
| Jul 16, 10:06 PM CDT | Areal Flood Advisory | MEG | Panola, Tate | 3 hr |
| Jul 16, 10:15 PM CDT | Severe Thunderstorm Warning | MEG | Tallahatchie | 17 min |
| Jul 16, 10:51 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Yalobusha | 54 min |
| Jul 16, 11:12 PM CDT | Areal Flood Advisory | MEG | Calhoun, Tallahatchie, Yalobusha | 2 hr |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2009Severe Thunderstorm Warnings in Arkansas, 2009Every severe thunderstorm warning in 2009
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.