Alert archive / Tennessee / Special Weather Statements in 2013
Special Weather Statement, NWS Memphis, TN
NWS Memphis, TN issued this special weather statement at Mar 18, 2013, 11:39 AM CDT for Tipton County, Tennessee. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 18, 2013, 11:39 AM CDT (16:39 UTC)
- Expired
- Mar 18, 2013, 12:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Memphis, TN
County Tipton County, TN
The radar
The Memphis radar (KNQA), 12 km from the middle of the area, began a volume at 16:41 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 nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 4.7 hours before the alert went out and 61 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
- 11 J/kg
- Mixed-layer CIN
- -390 J/kg
- Mixed-layer LCL
- 432 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 227 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Mar 18, 11:31 AM CDT, 8 minutes earlier.
Area forecast discussion, Mar 18, 11:31 AM CDT, 8 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEMPHIS TN 1131 AM CDT MON MAR 18 2013 .UPDATE... UPDATED TO READJUST POPS AND EXTEND SEVERE THUNDERSTORM WATCH. && .DISCUSSION... A SLOW MOVING COLD FRONT REMAINS STRETCHED ACROSS NORTHERN MISSISSIPPI LATE THIS MORNING. A POTENT MID LEVEL SHORTWAVE WAS EJECTING INTO THE AREA FROM THE WEST AND HAS ALLOWED FOR UPSCALE GROWTH OF THUNDERSTORMS OVER PARTS OF EASTERN ARKANSAS INTO NORTHWEST TENNESSEE. THESE STORMS CURRENTLY REMAIN ELEVATED ABOVE THE SURFACE FRONTAL BOUNDARY AND HAVE POSED A LARGE HAIL THREAT. THIS LARGE HAIL THREAT WILL CONTINUE TO THE NORTH OF THE FRONTAL BOUNDARY. FURTHER SOUTH...THE AIRMASS CONTINUES TO DESTABLIZE TO THE SOUTH OF THE BOUNDARY AS TEMPERATURES CONTINUE TO APPROACH 70 DEGREES AND DEWPOINTS PUSH INTO THE LOWER 60S. THIS AREA SHOULD CONTINUE TO DESTABLIZE WITH MUCAPES APPROACHING 1000 J/KG AND MID LEVEL LAPSE RATES GREATER THAN 7.5 C/KM THROUGH THE AFTERNOON. THIS MAY ALLOW STORMS TO BECOME MORE SURFACE BASED ACROSS THE WARM SECTOR WITH A INCREASING THREAT FOR DAMAGING WINDS AND LARGE HAIL. ALSO HAVE ADJUSTED POPS TO THE EVOLVING SITUATION WITH THE GREATEST POPS OVER SOUTHERN SECTIONS. THE GRIDS...ZONES...AND HAZARDOUS WEATHER OUTLOOK HAVE BEEN UPDATED AND SENT. JLH && .PREV DISCUSSION... /ISSUED 509 AM CDT MON MAR 18 2013/ DISCUSSION... THUNDERSTORMS CONTINUED FROM CENTRAL AR INTO NORTHWEST TN AT 5 AM... ROUGHLY ALONG AND NORTH OF I40. THESE STORMS WERE ROOTED IN AN ELEVATED LAYER...ON THE COOL SIDE OF A SURFACE COLD FRONT. FOR THIS AFTERNOON... NAM SOUNDINGS SHOW WARM SECTOR MUCAPES IN EXCESS OF 1000 J/KG... ACCOMPANIED BY MIDLEVEL LAPSE RATES NEAR 7 C/KM OVER NORTHEAST MS. WEAK CONVECTIVE INHIBITION SHOULD BE OVERCOME WITH THE APPROACH OF A MIDLEVEL TROF AXIS... SUPPORTIVE OF A SLIGHT RISK OF SEVERE. POST FRONTAL SHOWERS SHOULD EXIT THE TN RIVER VALLEY THIS EVENING... AS A DRY MIDCONTINENTAL SURFACE HIGH SETTLES IN FOR TUESDAY AND WEDNESDAY. SIMILAR TO THE PAST SEVERAL DAYS...EXTENDED PERIOD MODEL CONSENSUS BETWEEN THE GFS AND ECMWF REMAINS LOWER THAN NORMAL. BOTH MODELS POINT TOWARD A RELATIVELY ACTIVE SOUTHERN BRANCH...BUT DIFFER IN TIMING OF INDIVIDUAL SYSTEMS AND AMOUNT OF LOW LEVEL COLD AIR INTRUSION FROM THE OHIO VALLEY. FOR THE EXTENDED PERIODS...HAVE CHOSEN TO SPLIT THE DIFFERENCE BETWEEN THE MILD GFS AND COOLER ECMWF...WHILE ADDING SOME WEIGHT TO PERSISTENCE. HAVE KEPT POPS AT OR BELOW CHANCE CATEGORY WHERE MODEL CONSENSUS WAS LACKING. PWB && .AVIATION... 12Z TAF CYCLE A QUASI-STATIONARY BOUNDARY LOCATED FROM PARIS TN TO MEMPHIS WILL GRADUALLY MOVE EAST/SOUTHEAST TODAY AS AN UPPER LEVEL TROUGH MOVES THIS BOUNDARY AS A COLD FRONT ACROSS THE LOWER MISSISSIPPI VALLEY. SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS MORNING AT ALL SITES...WITH BEST CHANCES SHIFTING TO TUP WHERE BEST INSTABILITY AND LIFT WILL RESIDE LATER THIS MORNING INTO THE AFTERNOON. MVFR CONDITIONS EXPECTED TO PREVAIL THROUGH AT LEAST MID AFTERNOON WITH IMPROVEMENT TO VFR CONDITIONS BY LATE AFTERNOON INTO TONIGHT. SOUTHWEST WINDS BETWEEN 8-12KTS WITH OCCASIONAL GUSTS UP TO 20 KTS WILL GRADUALLY VEER NORTHWEST AND DIMINISH TO 6 KTS OR LESS BEHIND THE FRONT BY TONIGHT. CJC && .PRELIMINARY POINT TEMPS/POPS... MEM 53 41 61 42 / 80 10 0 0 MKL 54 34 58 35 / 80 10 0 0 JBR 52 35 58 38 / 10 0 0 0 TUP 71 39 65 38 / 90 20 0 0 && .MEG WATCHES/WARNINGS/ADVISORIES... AR...NONE. MO...NONE. MS...NONE. TN...NONE. &&
Hazardous weather outlook, Mar 18, 9:56 AM CDT, 1 hour 43 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 956 AM CDT MON MAR 18 2013 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-191700- 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- 956 AM CDT MON MAR 18 2013 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 FOR SEVERE THUNDERSTORMS ACROSS PORTIONS OF WEST TENNESSEE NEAR THE TENNESSEE RIVER AND MUCH OF NORTHERN MISSISSIPPI. LARGE HAIL AND DAMAGING WINDS REMAIN THE PRIMARY SEVERE WEATHER THREATS. THE SEVERE WEATHER THREAT WILL COME TO AN END THIS EVENING AS A COLD FRONT MOVES EAST OF THE FORECAST AREA. STRONG STORMS WITH SMALL HAIL WILL BE POSSIBLE FURTHER NORTH ACROSS THE REMAINDER OF THE MID SOUTH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE NEEDED TODAY ACROSS THE SLIGHT RISK AREA. PLEASE REPORT ANY LARGE HAIL OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE OFFICE IN MEMPHIS TENNESSEE. JLH
In the hours before
Special weather statement, Mar 18, 9:27 AM CDT, 2 hours 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
927 AM CDT MON MAR 18 2013
ARZ036-TNZ049-088-181500-
CRITTENDEN AR-SHELBY TN-TIPTON TN-
927 AM CDT MON MAR 18 2013
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1000 AM CDT FOR...
EAST CENTRAL CRITTENDEN COUNTY IN EASTERN ARKANSAS...
NORTHERN SHELBY COUNTY IN SOUTHWEST TENNESSEE...
WESTERN TIPTON COUNTY IN SOUTHWEST TENNESSEE...
A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER AND WINDS AT
LEAST 40 MPH WAS LOCATED OVER SUNSET AT 928 AM CDT...MOVING EAST AT
40 MPH.
VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS THUNDERSTORM.
PEOPLE IN CRITTENDEN...SHELBY AND TIPTON COUNTIES...INCLUDING
LOCATIONS NEAR MARION...MEEMAN SHELBY FOREST STATE PARK...MILLINGTON
AND WEST MEMPHIS...SHOULD MONITOR THIS STORM CLOSELY. THIS
SIGNIFICANT WEATHER ALERT ALSO INCLUDES BRANDYWINE LAKE...CORONEE
LAKE...THE CHUTE AND WAPANOCCA LAKE.
&&
LAT...LON 3544 9008 3542 9006 3540 9007 3539 9005
3541 9005 3547 9001 3557 8981 3529 8965
3510 9027 3530 9036
TIME...MOT...LOC 1428Z 248DEG 34KT 3525 9020Special weather statement, Mar 18, 9:47 AM CDT, 1 hour 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
947 AM CDT MON MAR 18 2013
TNZ088-089-181515-
SHELBY TN-FAYETTE TN-
947 AM CDT MON MAR 18 2013
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1015 AM CDT FOR...
NORTHERN FAYETTE COUNTY IN SOUTHWEST TENNESSEE...
EAST CENTRAL SHELBY COUNTY IN SOUTHWEST TENNESSEE...
A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER AND WINDS AT
LEAST 40 MPH WAS LOCATED 4 MILES EAST OF EADS AT 947 AM CDT...MOVING
EAST AT 45 MPH.
VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS THUNDERSTORM.
PEOPLE IN FAYETTE AND SHELBY COUNTIES SHOULD MONITOR THIS STORM
CLOSELY.
&&
LAT...LON 3508 8965 3528 8972 3540 8934 3540 8921
3539 8919 3519 8919
TIME...MOT...LOC 1447Z 251DEG 37KT 3520 8956Special weather statement, Mar 18, 10:07 AM CDT, 1 hour 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1007 AM CDT MON MAR 18 2013
ARZ035-048-049-181530-
CROSS AR-LEE AR-ST. FRANCIS AR-
1007 AM CDT MON MAR 18 2013
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1030 AM CDT FOR...
SOUTHWESTERN CROSS COUNTY IN EASTERN ARKANSAS...
LEE COUNTY IN EASTERN ARKANSAS...
WESTERN ST. FRANCIS COUNTY IN EASTERN ARKANSAS...
A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER WAS LOCATED
OVER WHEATLEY AT 1007 AM CDT...MOVING EAST AT 40 MPH.
VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS THUNDERSTORM.
PEOPLE IN CROSS...LEE AND ST. FRANCIS COUNTIES...INCLUDING LOCATIONS
NEAR FORREST CITY...MADISON...MARIANNA...PALESTINE AND VILLAGE CREEK
STATE PARK...SHOULD MONITOR THIS STORM CLOSELY.
&&
LAT...LON 3500 9116 3501 9106 3515 9105 3522 9069
3470 9056 3466 9059 3464 9077 3465 9105
3473 9106 3474 9111 3486 9111 3490 9113
3491 9116
TIME...MOT...LOC 1507Z 255DEG 37KT 3491 9106Special weather statement, Mar 18, 10:24 AM CDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1024 AM CDT MON MAR 18 2013 MSZ015>017-181600- PONTOTOC MS-LEE MS-ITAWAMBA MS- 1024 AM CDT MON MAR 18 2013 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 1100 AM CDT FOR... NORTHWESTERN ITAWAMBA COUNTY IN NORTHEAST MISSISSIPPI... CENTRAL LEE COUNTY IN NORTHEAST MISSISSIPPI... NORTHEASTERN PONTOTOC COUNTY IN NORTHEAST MISSISSIPPI... A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER WAS LOCATED OVER TUPELO AT 1025 AM CDT...MOVING EAST AT 40 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL OCCUR WITH THIS THUNDERSTORM. PEOPLE IN ITAWAMBA...LEE AND PONTOTOC COUNTIES...INCLUDING LOCATIONS NEAR FULTON...TOMBIGBEE STATE PARK...TUPELO AND VERONA...SHOULD MONITOR THIS STORM CLOSELY. .A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT FOR THE ADVISORY AREA. && LAT...LON 3447 8840 3426 8831 3416 8881 3433 8887 TIME...MOT...LOC 1525Z 254DEG 34KT 3427 8872
Special weather statement, Mar 18, 11:04 AM CDT, 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1104 AM CDT MON MAR 18 2013
ARZ036-MSZ001-TNZ088-181630-
CRITTENDEN AR-DE SOTO MS-SHELBY TN-
1104 AM CDT MON MAR 18 2013
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1130 AM CDT FOR...
SOUTHERN CRITTENDEN COUNTY IN EASTERN ARKANSAS...
NORTHERN DESOTO COUNTY IN NORTHWEST MISSISSIPPI...
SOUTHWESTERN SHELBY COUNTY IN SOUTHWEST TENNESSEE...
A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER WAS LOCATED 4
MILES NORTHEAST OF PINCKNEY AT 1105 AM CDT...MOVING EAST AT 40 MPH.
VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS THUNDERSTORM.
PEOPLE IN CRITTENDEN...DESOTO AND SHELBY COUNTIES...INCLUDING
LOCATIONS NEAR BARTLETT...GERMANTOWN...HORN LAKE...MIDTOWN MEMPHIS...
SOUTHAVEN AND T O FULLER STATE PARK...SHOULD MONITOR THIS STORM
CLOSELY.
&&
LAT...LON 3524 8984 3499 8974 3489 9036 3500 9041
3506 9040
TIME...MOT...LOC 1605Z 252DEG 37KT 3501 9023Special weather statement, Mar 18, 11:39 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1139 AM CDT MON MAR 18 2013 TNZ049-088-089-181715- SHELBY TN-FAYETTE TN-TIPTON TN- 1139 AM CDT MON MAR 18 2013 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 1215 PM CDT FOR... NORTHWESTERN FAYETTE COUNTY IN SOUTHWEST TENNESSEE... NORTHEASTERN SHELBY COUNTY IN SOUTHWEST TENNESSEE... SOUTH CENTRAL TIPTON COUNTY IN SOUTHWEST TENNESSEE... A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER WAS LOCATED 5 MILES SOUTHWEST OF MILLINGTON AT 1140 AM CDT...MOVING EAST AT 45 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL OCCUR WITH THIS THUNDERSTORM. PEOPLE IN FAYETTE...SHELBY AND TIPTON COUNTIES...INCLUDING LOCATIONS NEAR BARTLETT AND MILLINGTON...SHOULD MONITOR THIS STORM CLOSELY. && LAT...LON 3549 8955 3523 8954 3520 9001 3535 9004 TIME...MOT...LOC 1640Z 260DEG 37KT 3529 8990
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 8:18 AM CDT | Special Weather Statement | MEG | Hardeman | 27 min |
| Mar 18, 8:34 AM CDT | River Flood Warning | MEG | Crockett, Dyer, Lauderdale | 51 hr |
| Mar 18, 9:05 AM CDT | Special Weather Statement | MEG | Hardin | 40 min |
| Mar 18, 9:21 AM CDT | Special Weather Statement | MEG | Shelby | 24 min |
| Mar 18, 9:47 AM CDT | Special Weather Statement | MEG | Fayette | 28 min |
| Mar 18, 11:04 AM CDT | Special Weather Statement | MEG | Shelby | 26 min |
| Mar 18, 12:44 PM CDT | Special Weather Statement | MEG | McNairy | 46 min |
| Mar 17, 10:56 PM CDT | Special Weather Statement | MEG | Coahoma | 34 min |
| Mar 18, 10:24 AM CDT | Special Weather Statement | MEG | Itawamba, Lee | 36 min |
| Mar 18, 10:42 AM CDT | Severe Thunderstorm Warning | MEG | Tunica | 48 min |
| Mar 18, 11:10 AM CDT | Severe Thunderstorm Warning | MEG | DeSoto, Tate, Tunica | 50 min |
| Mar 18, 11:42 AM CDT | Special Weather Statement | MEG | DeSoto | 33 min |
| Mar 18, 12:03 PM CDT | Special Weather Statement | MEG | Benton | 27 min |
| Mar 18, 12:34 PM CDT | Special Weather Statement | MEG | Itawamba | 41 min |
| Mar 18, 1:06 PM CDT | Special Weather Statement | MEG | Calhoun, Chickasaw, Lee, Pontotoc | 24 min |
| Mar 18, 1:14 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Chickasaw, Itawamba, Lee, Monroe, Pontotoc | 46 min |
| Mar 18, 1:17 PM CDT | Severe Thunderstorm Warning | MEG | Alcorn, Itawamba, Lee, Pontotoc, Prentiss, Tishomingo and 1 more | 43 min |
| Mar 18, 1:23 PM CDT | Severe Thunderstorm Warning | MEG | Itawamba | 37 min |
| Mar 18, 1:36 PM CDT | Severe Thunderstorm Warning | MEG | Chickasaw, Itawamba, Lee, Monroe | 39 min |
| Mar 18, 2:37 AM CDT | Special Weather Statement | MEG | Crittenden | 23 min |
| Mar 18, 8:14 AM CDT | Special Weather Statement | MEG | St. Francis | 31 min |
| Mar 18, 8:57 AM CDT | Special Weather Statement | MEG | Crittenden | 33 min |
| Mar 18, 9:27 AM CDT | Special Weather Statement | MEG | Crittenden | 33 min |
| Mar 18, 10:07 AM CDT | Special Weather Statement | MEG | Lee, St. Francis | 23 min |
| Mar 18, 10:21 AM CDT | Severe Thunderstorm Warning | MEG | Lee | 24 min |
Nearby
Special Weather Statements in Tennessee, 2013Every special weather statement in 2013
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.