Alert archive / Mississippi / Wind Advisories in 2012
Wind Advisory 20, NWS Memphis, TN
NWS Memphis, TN issued this wind advisory at Aug 30, 2012, 3:31 AM CDT for 4 counties in Mississippi; Lee County, Phillips County, Arkansas. It took effect at Aug 30, 2012, 11:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Aug 30, 2012, 3:31 AM CDT (08:31 UTC)
- In effect from
- Aug 30, 2012, 11:00 AM CDT
- Expired
- Aug 30, 2012, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Memphis, TN
Counties Lee County, AR, Phillips County, AR, Coahoma County, MS, Quitman County, MS, Tallahatchie County, MS, Tunica County, MS
The radar
The Memphis radar (KNQA), 122 km from the middle of the area, began a volume at 08:32 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, 8.5 hours before the alert went out and 72 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
- 69 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1714 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
086 WWUS74 KMEG 300831 NPWMEG URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 331 AM CDT THU AUG 30 2012 ...WINDY CONDITIONS POSSIBLE THIS AFTERNOON OVER PORTIONS OF EAST ARKANSAS AND NORTH MISSISSIPPI... .TROPICAL STORM ISAAC WILL MOVE ACROSS NORTHERN LOUISIANA TODAY. WINDY CONDITIONS WILL BE POSSIBLE THIS AFTERNOON MAINLY SOUTH OF A LINE FROM MARIANNA ARKANSAS TO TUNICA MISSISSIPPI TO CHARLESTON MISSISSIPPI. SUSTAINED WINDS OF 20 TO 30 MPH ARE EXPECTED WITH GUSTS TO 40 MPH POSSIBLE. ARZ049-058-MSZ007-010-011-020-301645- /O.NEW.KMEG.WI.Y.0020.120830T1600Z-120831T0000Z/ LEE AR-PHILLIPS-TUNICA-COAHOMA-QUITMAN-TALLAHATCHIE- INCLUDING THE CITIES OF...HELENA...TUNICA...CLARKSDALE 331 AM CDT THU AUG 30 2012 ...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. * WINDS...SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH POSSIBLE. * TIMING...BETWEEN NOON AND 6 PM 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. && $$
2 follow-up statements
769 WWUS74 KMEG 301623 NPWMEG URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 1123 AM CDT THU AUG 30 2012 ...WINDY CONDITIONS POSSIBLE THROUGH 7 PM CDT OVER PORTIONS OF EAST ARKANSAS AND NORTH MISSISSIPPI... .TROPICAL STORM ISAAC WILL MOVE ACROSS NORTHERN LOUISIANA TODAY AND ALONG THE OKLAHOMA AND ARKANSAS BORDER TONIGHT. WINDY CONDITIONS WILL BE POSSIBLE THIS AFTERNOON MAINLY SOUTH OF A LINE FROM MARIANNA ARKANSAS TO TUNICA MISSISSIPPI TO CHARLESTON MISSISSIPPI. SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS AROUND 40 MPH ARE EXPECTED. ARZ049-058-MSZ007-010-011-020-310000- /O.CON.KMEG.WI.Y.0020.000000T0000Z-120831T0000Z/ LEE AR-PHILLIPS-TUNICA-COAHOMA-QUITMAN-TALLAHATCHIE- INCLUDING THE CITIES OF...HELENA...TUNICA...CLARKSDALE 1123 AM CDT THU AUG 30 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WINDS...SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS AROUND 40 MPH ARE EXPECTED ACROSS THE ADVISORY AREA. * TIMING...WINDY CONDITIONS ARE EXPECTED TO PERSIST THROUGH 7 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE EXPECTED...OR GUSTS WILL RANGE BETWEEN 40 AND 57 MPH. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
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
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 5:02 PM CDT | Tornado Warning | MEG | Lafayette, Marshall, Pontotoc, Union | 28 min |
| Aug 30, 5:25 PM CDT | Tornado Warning | MEG | Lafayette, Marshall, Tate | 35 min |
| Aug 30, 5:55 PM CDT | Special Weather Statement | MEG | Marshall | 35 min |
Nearby
Wind Advisories in Mississippi, 2012Wind Advisories in Arkansas, 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.