Alert archive / Mississippi / Wind Advisories in 2012
Wind Advisory 14, NWS Memphis, TN
NWS Memphis, TN issued this wind advisory at Mar 20, 2012, 3:19 AM CDT for 4 states. It took effect at Mar 20, 2012, 10:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Mar 20, 2012, 3:19 AM CDT (08:19 UTC)
- In effect from
- Mar 20, 2012, 10:00 AM CDT
- Expired
- Mar 20, 2012, 3:22 PM CDT
- In force
- 5 hr
- Issued by
- NWS Memphis, TN
All 40 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, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Coahoma County, MS, DeSoto County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Union County, MS, Yalobusha County, MS, Dyer County, TN, Fayette County, TN, Hardeman County, TN, Haywood County, TN, Lake County, TN, Lauderdale County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 32 km from the middle of the area, began a volume at 08:18 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, 8.3 hours before the alert went out and 26 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
- 626 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1198 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
920 WWUS74 KMEG 200819 NPWMEG URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 319 AM CDT TUE MAR 20 2012 ...STRONG WINDS EXPECTED TODAY... .A HIGHLY AMPLIFIED UPPER AIR PATTERN WITH A DEEP TROUGH APPROACHING FROM THE WEST WILL LEAD TO A TIGHTENING PRESSURE GRADIENT ACROSS THE MIDSOUTH TODAY. ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>004-007-008-010>016-020>024-TNZ001-019-048>050-088>090- 202100- /O.NEW.KMEG.WI.Y.0014.120320T1500Z-120321T0000Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT- DESOTO-MARSHALL-BENTON MS-TIPPAH-TUNICA-TATE-COAHOMA-QUITMAN- PANOLA-LAFAYETTE-UNION-PONTOTOC-LEE MS-TALLAHATCHIE-YALOBUSHA- CALHOUN-CHICKASAW-MONROE-LAKE-DYER-LAUDERDALE-TIPTON-HAYWOOD- 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...BATESVILLE...OXFORD...NEW ALBANY...TUPELO... AMORY...ABERDEEN...DYERSBURG...COVINGTON...BARTLETT... GERMANTOWN...COLLIERVILLE...MEMPHIS...MILLINGTON...SOMERVILLE... BOLIVAR 319 AM CDT TUE MAR 20 2012 ...WIND ADVISORY IN EFFECT FROM 10 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 10 AM THIS MORNING TO 7 PM CDT THIS EVENING. * WINDS...SOUTHEAST 20 TO 30 MPH...WITH GUSTS OF 40 TO 50 MPH. * TIMING...FROM LATE THIS MORNING THROUGH THE AFTERNOON. * IMPACTS...LOOSE ITEMS WILL BE PRONE TO BLOW AROUND AND TRAVEL WILL BE MORE DIFFICULT...ESPECIALLY FOR THOSE DRIVING HIGH PROFILE VEHICLES. PERSONS ARE ENCOURAGED TO SECURE LOOSE OUTDOOR ITEMS SUCH AS TRASH CANS AND LAWN FURNITURE. WINDS TO THIS MAGNITUDE MAY ALSO DOWN TREES AND RESULT IN SCATTERED POWER OUTAGES. 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. && $$ BORGHOFF
1 follow-up statement
521 WWUS74 KMEG 202022 NPWMEG URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MEMPHIS TN 322 PM CDT TUE MAR 20 2012 ...WIND ADVISORY CANCELLED... .WIND SPEEDS OF 15 TO 25 MPH WILL CONTINUE TO GUST TO NEAR 30 MPH THROUGH LATE THIS AFTERNOON...REMAINING BELOW WIND ADVISORY CRITERIA. ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>004-007-008-010>016-020>024-TNZ001-019-048>050-088>090- 202130- /O.CAN.KMEG.WI.Y.0014.000000T0000Z-120321T0000Z/ RANDOLPH-CLAY-LAWRENCE-GREENE-CRAIGHEAD-POINSETT-MISSISSIPPI- CROSS-CRITTENDEN-ST. FRANCIS-LEE AR-PHILLIPS-DUNKLIN-PEMISCOT- DESOTO-MARSHALL-BENTON MS-TIPPAH-TUNICA-TATE-COAHOMA-QUITMAN- PANOLA-LAFAYETTE-UNION-PONTOTOC-LEE MS-TALLAHATCHIE-YALOBUSHA- CALHOUN-CHICKASAW-MONROE-LAKE-DYER-LAUDERDALE-TIPTON-HAYWOOD- SHELBY-FAYETTE-HARDEMAN- INCLUDING THE CITIES OF...WALNUT RIDGE...PARAGOULD...JONESBORO... HARRISBURG...BLYTHEVILLE...WYNNE...WEST MEMPHIS...FORREST CITY... HELENA...KENNETT...CARUTHERSVILLE...SOUTHAVEN...OLIVE BRANCH... TUNICA...CLARKSDALE...BATESVILLE...OXFORD...NEW ALBANY...TUPELO... AMORY...ABERDEEN...DYERSBURG...COVINGTON...BARTLETT... GERMANTOWN...COLLIERVILLE...MEMPHIS...MILLINGTON...SOMERVILLE... BOLIVAR 322 PM CDT TUE MAR 20 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS CANCELLED THE WIND ADVISORY. ALTHOUGH BREEZY CONDITIONS WILL CONTINUE ACROSS THE MIDSOUTH INTO EARLY EVENING... WIND SPEEDS WILL LIKELY PREVAIL BELOW WIND ADVISORY CRITERIA. $$ PWB
Nearby
Wind Advisories in Mississippi, 2012Wind Advisories in Arkansas, 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.