Alert archive / Mississippi / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 435, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Oct 30, 2009, 2:51 PM CDT for Itawamba County, Lee County, Monroe County, Mississippi. It was in force for 39 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
- Oct 30, 2009, 2:51 PM CDT (19:51 UTC)
- Expired
- Oct 30, 2009, 3:30 PM CDT
- In force
- 39 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Itawamba County, MS, Lee County, MS, Monroe County, MS
The radar
The Columbus AFB radar (KGWX), 33 km from the middle of the area, began a volume at 19:54 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 |
|---|---|---|---|
| Oct 30, 12:22 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 7.9 hours before the alert went out and 152 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1250 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- -149 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Oct 30, 2:44 PM CDT, 7 minutes earlier.
Area forecast discussion, Oct 30, 2:44 PM CDT, 7 minutes before
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</html>Hazardous weather outlook, Oct 30, 3:54 AM CDT, 10 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 354 AM CDT FRI OCT 30 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>092-311100- 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- 354 AM CDT FRI OCT 30 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS... THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY FOR NORTHEAST MISSISSIPPI. THE SLIGHT RISK AREA IS ROUGHLY ALONG AND EAST OF A HOLLY SPRINGS TO BATESVILLE TO CHARLESTON LINE. THE BEST TIME FOR SEVERE WEATHER TO OCCUR WILL BE FROM 11 AM TO 6 PM WITH THE PRIMARY THREAT BEING DAMAGING WINDS. A FLASH FLOOD WATCH IS IN EFFECT FOR PARTS OF WEST TENNESSEE...EASTERN ARKANSAS AND NORTHWESTERN MISSISSIPPI THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED TODAY...FOR FLOODING REPORTS AND IN SUPPORT OF SEVERE WEATHER OPERATIONS OVER NORTHEAST MISSISSIPPI.
In the hours before
Special weather statement, Oct 30, 11:34 AM CDT, 3 hours 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1134 AM CDT FRI OCT 30 2009 MSZ013-021-022-301700- LAFAYETTE MS-YALOBUSHA MS-CALHOUN MS- 1134 AM CDT FRI OCT 30 2009 ...THIS SIGNIFICANT WEATHER ALERT IS FOR... NORTHWESTERN CALHOUN COUNTY IN NORTHEAST MISSISSIPPI... LAFAYETTE COUNTY IN NORTHWEST MISSISSIPPI... YALOBUSHA COUNTY IN NORTHWEST MISSISSIPPI... A STRONG THUNDERSTORM PRODUCING 40 TO 50 MPH WINDS WAS LOCATED 10 MILES SOUTHWEST OF COFFEEVILLE AT 1133 AM CDT...MOVING NORTHEAST AT 60 MPH. THIS STORM WAS ALONG A LINE OF THUNDERSTORMS MOVING EAST AT 40 MPH. VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS LINE OF THUNDERSTORMS. PEOPLE IN CALHOUN...LAFAYETTE AND YALOBUSHA COUNTIES...INCLUDING LOCATIONS NEAR HOLLY SPRINGS NATIONAL FOREST...OXFORD AND WATER VALLEY...SHOULD MONITOR THIS STORM CLOSELY.
Special weather statement, Oct 30, 12:02 PM CDT, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1202 PM CDT FRI OCT 30 2009 MSZ003>006-009-014>017-022>024-TNZ003-004-020-021-052>055-090>092- 302015- ALCORN-BENTON MS-CALHOUN-CARROLL-CHESTER-CHICKASAW-DECATUR-GIBSON- HARDEMAN-HARDIN-HENDERSON-HENRY-ITAWAMBA-LEE MS-MADISON-MCNAIRY- MONROE-PONTOTOC-PRENTISS-TIPPAH-TISHOMINGO-UNION-WEAKLEY- INCLUDING THE CITIES OF...ABERDEEN...AMORY...BOLIVAR... BOONEVILLE...CORINTH...DRESDEN...HUMBOLDT...HUNTINGDON...IUKA... JACKSON...LEXINGTON...MARTIN...MILAN...NEW ALBANY...PARIS... SAVANNAH...TUPELO 1202 PM CDT FRI OCT 30 2009 ...GUSTY WINDS WILL MOVE THROUGH PARTS OF THE MID-SOUTH THIS AFTERNOON... GUSTY SOUTH WINDS WILL BE FOUND ACROSS PARTS OF WEST TENNESSEE AND NORTH MISSISSIPPI THIS AFTERNOON AHEAD OF A COLD FRONT. WIND GUSTS MAY REACH 30 TO 40 MILES AN HOUR. THESE GUSTY WINDS COULD KNOCK DOWN SOME TREES THAT HAVE BEEN WEAKENED DUE TO THE WET SOIL CONDITIONS. THE WINDS WILL SUBSIDE ONCE THE COLD FRONT MOVES THROUGH LATER THIS AFTERNOON. ARS
Special weather statement, Oct 30, 12:12 PM CDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1212 PM CDT FRI OCT 30 2009 TNZ052-053-090-301745- MADISON TN-CHESTER TN-HARDEMAN TN- 1212 PM CDT FRI OCT 30 2009 ...THIS SIGNIFICANT WEATHER ALERT IS FOR... WEST CENTRAL CHESTER COUNTY IN SOUTHWEST TENNESSEE... NORTH CENTRAL HARDEMAN COUNTY IN SOUTHWEST TENNESSEE... SOUTHERN MADISON COUNTY IN SOUTHWEST TENNESSEE... A STRONG THUNDERSTORM PRODUCING 40 TO 50 MPH WINDS WAS LOCATED 6 MILES NORTHEAST OF CLOVERPORT AT 1212 PM CDT...MOVING EAST AT 20 MPH. VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN CHESTER...HARDEMAN AND MADISON COUNTIES...INCLUDING LOCATIONS NEAR CHICKASAW STATE FOREST...CHICKASAW STATE PARK AND HENDERSON...SHOULD MONITOR THIS STORM CLOSELY.
Special weather statement, Oct 30, 12:27 PM CDT, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1227 PM CDT FRI OCT 30 2009 MSZ002>004-013>015-301800- TIPPAH MS-BENTON MS-MARSHALL MS-UNION MS-LAFAYETTE MS-PONTOTOC MS- 1227 PM CDT FRI OCT 30 2009 ...THIS SIGNIFICANT WEATHER ALERT IS FOR... SOUTHEASTERN BENTON COUNTY IN NORTHEAST MISSISSIPPI... NORTHWESTERN PONTOTOC COUNTY IN NORTHEAST MISSISSIPPI... WESTERN TIPPAH COUNTY IN NORTHEAST MISSISSIPPI... WESTERN UNION COUNTY IN NORTHEAST MISSISSIPPI... NORTHEASTERN LAFAYETTE COUNTY IN NORTHWEST MISSISSIPPI... EXTREME SOUTHEASTERN MARSHALL COUNTY IN NORTHWEST MISSISSIPPI... A STRONG THUNDERSTORM PRODUCING 40 TO 50 MPH WINDS WAS LOCATED 7 MILES SOUTHEAST OF CAMBRIDGE AT 1228 PM CDT...MOVING NORTHEAST AT 60 MPH. VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN BENTON...LAFAYETTE...MARSHALL...PONTOTOC...TIPPAH AND UNION COUNTIES...INCLUDING LOCATIONS NEAR RIPLEY...SHOULD MONITOR THIS STORM CLOSELY.
Special weather statement, Oct 30, 1:28 PM CDT, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 128 PM CDT FRI OCT 30 2009 MSZ004-005-TNZ090-091-301900- ALCORN MS-TIPPAH MS-HARDEMAN TN-MCNAIRY TN- 128 PM CDT FRI OCT 30 2009 ...THIS SIGNIFICANT WEATHER ALERT IS FOR... NORTHWESTERN ALCORN COUNTY IN NORTHEAST MISSISSIPPI... NORTH CENTRAL TIPPAH COUNTY IN NORTHEAST MISSISSIPPI... SOUTHEASTERN HARDEMAN COUNTY IN SOUTHWEST TENNESSEE... MCNAIRY COUNTY IN SOUTHWEST TENNESSEE... A STRONG THUNDERSTORM PRODUCING 40 TO 50 MPH WINDS WAS LOCATED 4 MILES NORTH OF THEO AT 129 PM CDT...MOVING NORTHEAST AT 65 MPH. VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN ALCORN...HARDEMAN...MCNAIRY AND TIPPAH COUNTIES...INCLUDING LOCATIONS NEAR BIG HILL POND STATE PARK AND SELMER...SHOULD MONITOR THIS STORM CLOSELY. .A TORNADO WATCH ALSO REMAINS IN EFFECT FOR THE ALERT AREA.
Local storm report, Oct 30, 2:30 PM CDT, 21 minutes before
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</html>The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 10:16 PM CDT | River Flood Warning | MEG | Quitman | 37 hr |
| Oct 29, 10:16 PM CDT | River Flood Warning | MEG | Tallahatchie | 61 hr |
| Oct 29, 10:16 PM CDT | River Flood Warning | MEG | Tallahatchie | 61 hr |
| Oct 30, 2:19 AM CDT | Flash Flood Warning | MEG | Coahoma, DeSoto, Tunica | 12 hr |
| Oct 30, 11:04 AM CDT | River Flood Warning | MEG | Lafayette, Marshall, Union | 24 hr |
| Oct 30, 11:04 AM CDT | River Flood Warning | MEG | Lowndes, Monroe | 5 days |
| Oct 30, 12:55 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Tippah, Union | 35 min |
| Oct 30, 1:15 PM CDT | Severe Thunderstorm Warning | MEG | Pontotoc, Tippah, Union | 30 min |
| Oct 30, 1:33 PM CDT | Severe Thunderstorm Warning | MEG | Chickasaw, Lee, Pontotoc, Union | 27 min |
| Oct 30, 2:26 PM CDT | Tornado Warning | MEG | Monroe | 39 min |
| Oct 30, 2:31 PM CDT | Severe Thunderstorm Warning | MEG | Itawamba, Lee, Prentiss, Tishomingo | 43 min |
| Oct 29, 10:16 PM CDT | River Flood Warning | MEG | Crockett, Dyer, Lauderdale | 36 hr |
| Oct 30, 2:36 AM CDT | Flash Flood Warning | MEG | Dyer, Lake, Lauderdale, Tipton | 12 hr |
| Oct 30, 3:36 AM CDT | Severe Thunderstorm Warning | MEG | Lake, Obion | 37 min |
| Oct 30, 11:01 AM CDT | River Flood Warning | MEG | Dyer, Lake, Lauderdale | 5 days |
| Oct 30, 12:01 PM CDT | Severe Thunderstorm Warning | MEG | Henry, Weakley | 29 min |
| Oct 30, 2:15 PM CDT | Flash Flood Warning | MEG | Decatur | 2 hr |
| Oct 29, 8:53 PM CDT | Flash Flood Warning | MEG | Clay, Craighead, Greene, Lawrence, Randolph | 4 hr |
| Oct 29, 9:42 PM CDT | River Flood Warning | MEG | Clay, Greene | 3 days |
| Oct 29, 9:42 PM CDT | River Flood Warning | MEG | Mississippi, Poinsett | 38 hr |
| Oct 29, 9:42 PM CDT | River Flood Warning | MEG | Lee, St. Francis | 8 days |
| Oct 29, 10:28 PM CDT | River Flood Warning | MEG | Craighead | 60 hr |
| Oct 30, 1:04 AM CDT | Flash Flood Warning | MEG | Clay, Craighead, Cross, Greene, Lawrence, Lee and 3 more | 11 hr |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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.