Alert archive / Tennessee / Wind Advisories in 2012
Wind Advisory 9, NWS Memphis, TN
NWS Memphis, TN issued this wind advisory at Feb 29, 2012, 12:34 AM CST for 4 states. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Feb 29, 2012, 12:34 AM CST (06:34 UTC)
- Expired
- Feb 29, 2012, 10:34 AM CST
- In force
- 10 hr
- Issued by
- NWS Memphis, TN
All 34 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO, Coahoma County, MS, DeSoto County, MS, Tunica 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, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN
The radar
The Memphis radar (KNQA), 31 km from the middle of the area, began a volume at 06:34 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 00:00Z, 6.6 hours before the alert went out and 89 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
- 61 J/kg
- Mixed-layer CIN
- -316 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 335 m²/s²
- 0-3 km storm-relative helicity
- 421 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
236 WWUS74 KMEG 290634 NPWMEG URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 1234 AM CST WED FEB 29 2012 ...GUSTY WINDS EXPECTED THROUGH NOON ACROSS THE MIDSOUTH... .A STRONG LOW LEVEL JET HAS DEVELOPED ACROSS THE REGION. WINDS HAVE BEGUN TO MIX DOWN ACROSS NORTHEASTERN ARKANSAS. EXPECTING THIS TREND TO CONTINUE WITH GUSTY WINDS SPREADING OVER WESTERN TENNESSEE...NORTHWESTERN MISSISSIPPI...AND THE MISSOURI BOOTHEEL DURING THE OVERNIGHT HOURS. ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001- 007-010-TNZ001>004-019>021-048>054-088>090-291445- /O.NEW.KMEG.WI.Y.0009.120229T0634Z-120229T1800Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT- DESOTO-TUNICA-COAHOMA-LAKE-OBION-WEAKLEY-HENRY-DYER-GIBSON- CARROLL-LAUDERDALE-TIPTON-HAYWOOD-CROCKETT-MADISON-CHESTER- HENDERSON-SHELBY-FAYETTE-HARDEMAN- INCLUDING THE CITIES OF...WALNUT RIDGE...PARAGOULD...JONESBORO... HARRISBURG...BLYTHEVILLE...WYNNE...WEST MEMPHIS...FORREST CITY... HELENA...KENNETT...CARUTHERSVILLE...SOUTHAVEN...OLIVE BRANCH... TUNICA...CLARKSDALE...UNION CITY...MARTIN...DRESDEN...PARIS... DYERSBURG...HUMBOLDT...MILAN...HUNTINGDON...COVINGTON...JACKSON... LEXINGTON...BARTLETT...GERMANTOWN...COLLIERVILLE...MEMPHIS... MILLINGTON...SOMERVILLE...BOLIVAR 1234 AM CST WED FEB 29 2012 ...WIND ADVISORY IN EFFECT UNTIL NOON CST TODAY... THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. * WINDS...20 TO 30 MPH SUSTAINED WINDS WITH GUSTS UP TO 40 MPH. * TIMING...FROM NOW UNTIL NOON WEDNESDAY. * IMPACTS...LOOSE ITEMS WILL BE MORE PRONE TO BLOW AROUND AND TRAVEL WILL BE MORE DIFFICULT. PERSONS ARE ENCOURAGED TO SECURE LOOSE OUTDOOR ITEMS AS WELL AS TO DRIVE MORE CAUTIOUSLY DUE TO THE EXPECTED GUSTY WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE EXPECTED...OR GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ RRH
2 follow-up statements
454 WWUS74 KMEG 291452 NPWMEG URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 852 AM CST WED FEB 29 2012 ...GUSTY WINDS EXPECTED THROUGH NOON ACROSS THE MIDSOUTH... .A STRONG LOW LEVEL JET HAS DEVELOPED ACROSS THE REGION. WINDS HAVE BEGUN TO MIX DOWN ACROSS NORTHEASTERN ARKANSAS. EXPECTING THIS TREND TO CONTINUE WITH GUSTY WINDS SPREADING OVER WESTERN TENNESSEE...NORTHWESTERN MISSISSIPPI...AND THE MISSOURI BOOTHEEL DURING THE OVERNIGHT HOURS. ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001- 007-010-TNZ001>004-019>021-048>054-088>090-291800- /O.CON.KMEG.WI.Y.0009.000000T0000Z-120229T1800Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT- DESOTO-TUNICA-COAHOMA-LAKE-OBION-WEAKLEY-HENRY-DYER-GIBSON- CARROLL-LAUDERDALE-TIPTON-HAYWOOD-CROCKETT-MADISON-CHESTER- HENDERSON-SHELBY-FAYETTE-HARDEMAN- INCLUDING THE CITIES OF...WALNUT RIDGE...PARAGOULD...JONESBORO... HARRISBURG...BLYTHEVILLE...WYNNE...WEST MEMPHIS...FORREST CITY... HELENA...KENNETT...CARUTHERSVILLE...SOUTHAVEN...OLIVE BRANCH... TUNICA...CLARKSDALE...UNION CITY...MARTIN...DRESDEN...PARIS... DYERSBURG...HUMBOLDT...MILAN...HUNTINGDON...COVINGTON...JACKSON... LEXINGTON...BARTLETT...GERMANTOWN...COLLIERVILLE...MEMPHIS... MILLINGTON...SOMERVILLE...BOLIVAR 852 AM CST WED FEB 29 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * WINDS...SUSTAINED SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * TIMING...FROM NOW UNTIL NOON WEDNESDAY. * IMPACTS...LOOSE ITEMS WILL BE MORE PRONE TO BLOW AROUND AND TRAVEL WILL BE MORE DIFFICULT. PERSONS ARE ENCOURAGED TO SECURE LOOSE OUTDOOR ITEMS AS WELL AS TO DRIVE MORE CAUTIOUSLY DUE TO THE EXPECTED GUSTY WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE EXPECTED...OR GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
990 WWUS74 KMEG 291634 NPWMEG URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 1034 AM CST WED FEB 29 2012 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001- 007-010-TNZ001>004-019>021-048>054-088>090-291745- /O.CAN.KMEG.WI.Y.0009.000000T0000Z-120229T1800Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT- DESOTO-TUNICA-COAHOMA-LAKE-OBION-WEAKLEY-HENRY-DYER-GIBSON- CARROLL-LAUDERDALE-TIPTON-HAYWOOD-CROCKETT-MADISON-CHESTER- HENDERSON-SHELBY-FAYETTE-HARDEMAN- INCLUDING THE CITIES OF...WALNUT RIDGE...PARAGOULD...JONESBORO... HARRISBURG...BLYTHEVILLE...WYNNE...WEST MEMPHIS...FORREST CITY... HELENA...KENNETT...CARUTHERSVILLE...SOUTHAVEN...OLIVE BRANCH... TUNICA...CLARKSDALE...UNION CITY...MARTIN...DRESDEN...PARIS... DYERSBURG...HUMBOLDT...MILAN...HUNTINGDON...COVINGTON...JACKSON... LEXINGTON...BARTLETT...GERMANTOWN...COLLIERVILLE...MEMPHIS... MILLINGTON...SOMERVILLE...BOLIVAR 1034 AM CST WED FEB 29 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS CANCELLED THE WIND ADVISORY. GUSTY SOUTHWEST WINDS ARE ANTICIPATED TO REMAIN BELOW ADVISORY CRITERIA. THUS...THE WIND ADVISORY HAS BEEN CANCELLED. $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 29, 3:51 AM CST | Tornado Warning | MEG | Randolph | 39 min |
| Feb 29, 4:22 AM CST | Tornado Warning | MEG | Lawrence, Randolph | 38 min |
| Feb 29, 4:25 AM CST | Tornado Warning | MEG | Clay, Randolph | 50 min |
| Feb 29, 4:56 AM CST | Tornado Warning | MEG | Clay, Randolph | 49 min |
| Feb 29, 5:30 AM CST | Severe Thunderstorm Warning | MEG | Clay | 30 min |
| Feb 29, 5:48 AM CST | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 42 min |
| Feb 29, 6:25 AM CST | Severe Thunderstorm Warning | MEG | Clay, Greene, Lawrence, Randolph | 50 min |
| Feb 29, 6:43 AM CST | Severe Thunderstorm Warning | MEG | Lawrence | 47 min |
| Feb 29, 6:51 AM CST | Severe Thunderstorm Warning | MEG | Clay, Greene | 39 min |
| Feb 29, 7:25 AM CST | Severe Thunderstorm Warning | MEG | Lawrence | 33 min |
| Feb 29, 7:43 AM CST | Severe Thunderstorm Warning | MEG | Craighead, Greene | 23 min |
| Feb 29, 2:32 PM CST | Red Flag Warning | MEG | Clay, Craighead, Cross, Greene, Lawrence, Mississippi and 2 more | 3 hr |
| Feb 29, 7:46 AM CST | Severe Thunderstorm Warning | MEG | Lake, Obion | 30 min |
| Feb 29, 12:49 PM CST | Severe Thunderstorm Warning | MEG | Chester, Decatur, Hardin, Henderson, McNairy | 26 min |
| Feb 29, 2:25 PM CST | Special Weather Statement | MEG | Carroll | 35 min |
| Feb 29, 4:54 AM CST | Severe Thunderstorm Warning | MEG | Dunklin | 29 min |
| Feb 29, 7:09 AM CST | Severe Thunderstorm Warning | MEG | Dunklin, Pemiscot | 36 min |
| Feb 29, 4:05 PM CST | Severe Thunderstorm Warning | MEG | Chickasaw, Monroe | 42 min |
| Feb 29, 4:32 PM CST | Tornado Warning | MEG | Monroe | 13 min |
Nearby
Wind Advisories in Tennessee, 2012Wind Advisories in Arkansas, 2012Wind Advisories in Mississippi, 2012Every wind advisory in 2012
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.