Alert archive / Tennessee / Tornado Watches in 2014
Tornado Watch 268
The Storm Prediction Center issued this tornado watch at Jun 9, 2014, 2:14 PM CDT for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 2014, 2:14 PM CDT (19:14 UTC)
- Expired
- Jun 9, 2014, 7:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 43 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO, Alcorn County, MS, Benton County, MS, Coahoma County, MS, DeSoto County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Yalobusha County, MS, Carroll County, TN, Chester County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN
The radar
The Memphis radar (KNQA), 41 km from the middle of the area, began a volume at 19:15 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 2:29 PM CDT | Tornado Warning | MEG | Cross, St. Francis | 61 min |
| Jun 9, 4:30 PM CDT | Severe Thunderstorm Warning | MEG | Panola, Quitman, Tallahatchie, Yalobusha | 45 min |
| Jun 9, 4:44 PM CDT | Severe Thunderstorm Warning | MEG | Panola | 31 min |
| Jun 9, 4:52 PM CDT | Flash Flood Warning | MEG | Lafayette, Marshall, Panola, Tate | 3 hr |
| Jun 9, 5:02 PM CDT | Tornado Warning | MEG | Lafayette | 43 min |
| Jun 9, 5:24 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Haywood, Lauderdale, Tipton | 26 min |
| Jun 9, 5:57 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Lafayette, Marshall, Tippah, Union | 48 min |
| Jun 9, 6:30 PM CDT | Severe Thunderstorm Warning | MEG | Chickasaw, Lee, Monroe, Pontotoc, Tippah, Union | 45 min |
| Jun 9, 6:53 PM CDT | Flash Flood Warning | MEG | Benton, Tippah | 3 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Little Rock, AR (KBYH), launched 12:00Z, 7.2 hours before the alert went out and 99 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
- 40 J/kg
- Mixed-layer CIN
- -187 J/kg
- Mixed-layer LCL
- 453 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
465 WWUS20 KWNS 091912 SEL8 SPC WW 091912 ARZ000-MOZ000-MSZ000-TNZ000-100000- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 268 NWS STORM PREDICTION CENTER NORMAN OK 215 PM CDT MON JUN 9 2014 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF NORTHEAST ARKANSAS MISSOURI BOOTHEEL NORTHERN MISSISSIPPI WESTERN TENNESSEE * EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 215 PM UNTIL 700 PM CDT. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF DYERSBURG TENNESSEE TO 35 MILES SOUTH SOUTHWEST OF MEMPHIS TENNESSEE. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. && OTHER WATCH INFORMATION...CONTINUE...WW 267... DISCUSSION...A BOWING LINE SEGMENT WITH EMBEDDED LEWP STRUCTURES WILL PROGRESS NEWD ACROSS THE WATCH AREA THIS AFTERNOON INTO EVENING. THE VERY MOIST AIR MASS COUPLED WITH STRENGTHENING LOW-LEVEL AND DEEP-LAYER SHEAR WILL BE SUPPORTIVE OF STORM ROTATION WITH A RISK FOR A COUPLE OF TORNADOES IN ADDITION TO DAMAGING WINDS AND LARGE HAIL. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24030. ...MEAD
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 7:47 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Chicot, Clark, Cleveland and 15 more | 88 min |
| Jun 8, 8:41 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 20 more | 7 hr |
| Jun 8, 10:53 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 19 more | 97 min |
| Jun 9, 9:39 AM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Chicot, Clark, Cleveland and 11 more | 2 hr |
| Jun 9, 11:40 AM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 16 more | 7 hr |
| Jun 9, 1:54 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Chicot, Craighead, Crittenden and 14 more | 96 min |
| Jun 9, 3:22 PM CDT | Mesoscale Discussion | SPC | Chicot | 83 min |
| Jun 9, 3:43 PM CDT | Mesoscale Discussion | SPC | Crittenden, Mississippi | 92 min |
| Jun 8, 7:09 PM CDT | Mesoscale Discussion | SPC | Kemper, Lauderdale, Noxubee | 2 hr |
| Jun 9, 2:07 AM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Calhoun, Chickasaw, Clay, Grenada and 24 more | 83 min |
| Jun 9, 4:54 PM CDT | Mesoscale Discussion | SPC | Alcorn, Attala, Benton, Calhoun, Carroll, Chickasaw and 35 more | 96 min |
| Jun 9, 5:16 PM CDT | Severe Thunderstorm Watch | SPC | Choctaw, Clarke, Clay, Covington, Jasper, Jefferson Davis and 15 more | 8 hr |
| Jun 9, 5:19 PM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Calhoun, Chickasaw, Itawamba, Lafayette and 9 more | 26 min |
| Jun 9, 5:30 PM CDT | Tornado Watch | SPC | Alcorn, Benton, Calhoun, Chickasaw, Itawamba, Lafayette and 9 more | 8 hr |
| Jun 9, 6:55 PM CDT | Mesoscale Discussion | SPC | Alcorn, Chickasaw, Clay, Itawamba, Lee, Lowndes and 7 more | 95 min |
Nearby
Tornado Watches in Tennessee, 2014Tornado Watches in Mississippi, 2014Tornado Watches in Arkansas, 2014Every tornado watch in 2014
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.