Alert archive / Arkansas / Wind Advisories in 2012
Wind Advisory 21, NWS Memphis, TN
NWS Memphis, TN issued this wind advisory at Aug 30, 2012, 7:05 PM CDT for 4 states. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 30, 2012, 7:05 PM CDT (00:05 UTC)
- Expired
- Aug 30, 2012, 11:14 PM CDT
- In force
- 4 hr
- Issued by
- NWS Memphis, TN
All 29 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, Calhoun 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, Tunica County, MS, Yalobusha County, MS, Fayette County, TN, Lauderdale County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 38 km from the middle of the area, began a volume at 00:08 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 (KBYH), launched 00:00Z, 0.1 hours before the alert went out and 41 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
- 119 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 460 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 231 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
407 WWUS74 KMEG 310005 NPWMEG URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 705 PM CDT THU AUG 30 2012 ...WINDY CONDITIONS WILL CONTINUE OVER THE WESTERN HALF OF THE MID SOUTH THROUGH THIS EVENING... .TROPICAL DEPRESSION ISAAC WILL MOVE ACROSS WESTERN ARKANSAS TONIGHT. WINDY CONDITIONS WILL CONTINUE OVER WESTERN SECTIONS OF THE MID SOUTH THROUGH EARLY FRIDAY MORNING. SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS AROUND 40 MPH ARE EXPECTED. ARZ049-058-MSZ007-010-011-020-310600- /O.EXP.KMEG.WI.Y.0020.000000T0000Z-120831T0000Z/ /O.NEW.KMEG.WI.Y.0021.120831T0005Z-120831T0600Z/ LEE AR-PHILLIPS-TUNICA-COAHOMA-QUITMAN-TALLAHATCHIE- INCLUDING THE CITIES OF...HELENA...TUNICA...CLARKSDALE 705 PM CDT THU AUG 30 2012 ...WIND ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 1 AM CDT FRIDAY. * WINDS...SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS AROUND 40 MPH ARE EXPECTED ACROSS THE ADVISORY AREA. * TIMING...WINDY CONDITIONS ARE EXPECTED TO PERSIST THROUGH 1 AM CDT. 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. && $$ ARZ008-009-017-018-026>028-035-036-048-MOZ113-115-MSZ001-002-008- 012-013-021-022-TNZ048-049-088-089-310600- /O.NEW.KMEG.WI.Y.0021.120831T0005Z-120831T0600Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-CRITTENDEN-ST. FRANCIS-DUNKLIN-PEMISCOT-DESOTO-MARSHALL- TATE-PANOLA-LAFAYETTE-YALOBUSHA-CALHOUN-LAUDERDALE-TIPTON-SHELBY- FAYETTE- INCLUDING THE CITIES OF...WALNUT RIDGE...PARAGOULD...JONESBORO... HARRISBURG...BLYTHEVILLE...WYNNE...WEST MEMPHIS...FORREST CITY... KENNETT...CARUTHERSVILLE...SOUTHAVEN...OLIVE BRANCH... BATESVILLE...OXFORD...COVINGTON...BARTLETT...GERMANTOWN... COLLIERVILLE...MEMPHIS...MILLINGTON...SOMERVILLE 705 PM CDT THU AUG 30 2012 ...WIND ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 1 AM CDT FRIDAY. * WINDS...SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS AROUND 40 MPH ARE EXPECTED ACROSS THE ADVISORY AREA. * TIMING...WINDY CONDITIONS ARE EXPECTED TO PERSIST THROUGH 1 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE EXPECTED...OR GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ JLH
1 follow-up statement
616 WWUS74 KMEG 310414 NPWMEG URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 1114 PM CDT THU AUG 30 2012 ...WINDS CONTINUE TO DIMINISH THIS EVENING OVER THE MID SOUTH... .SUSTAINED WINDS HAVE FALLEN BELOW ADVISORY CRITERIA THIS EVENING...THEREFORE THE WIND ADVISORY HAS BEEN CANCELLED. A FEW STRONGER GUSTS WILL STILL BE POSSIBLE OVER THE ARKANSAS AND MISSISSIPPI DELTA COUNTIES OVERNIGHT...ESPECIALLY DURING HEAVIER RAIN SHOWERS. ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001- 002-007-008-010>013-020>022-TNZ048-049-088-089-310515- /O.CAN.KMEG.WI.Y.0021.000000T0000Z-120831T0600Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT- DESOTO-MARSHALL-TUNICA-TATE-COAHOMA-QUITMAN-PANOLA-LAFAYETTE- TALLAHATCHIE-YALOBUSHA-CALHOUN-LAUDERDALE-TIPTON-SHELBY-FAYETTE- INCLUDING THE CITIES OF...WALNUT RIDGE...PARAGOULD...JONESBORO... HARRISBURG...BLYTHEVILLE...WYNNE...WEST MEMPHIS...FORREST CITY... HELENA...KENNETT...CARUTHERSVILLE...SOUTHAVEN...OLIVE BRANCH... TUNICA...CLARKSDALE...BATESVILLE...OXFORD...COVINGTON... BARTLETT...GERMANTOWN...COLLIERVILLE...MEMPHIS...MILLINGTON... SOMERVILLE 1114 PM CDT THU AUG 30 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS CANCELLED THE WIND ADVISORY. $$ JLH
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 7:14 AM CDT | Wind Advisory | MEG | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 6 more | 11 hr |
| Aug 31, 5:25 PM CDT | Special Weather Statement | MEG | Monroe | 35 min |
| Aug 31, 6:08 PM CDT | Special Weather Statement | MEG | Dunklin | 37 min |
Nearby
Wind Advisories in Arkansas, 2012Wind Advisories in Mississippi, 2012Wind Advisories in Tennessee, 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.