Alert archive / Mississippi / Wind Advisories in 2012
Wind Advisory 7, NWS Mobile, AL
NWS Mobile, AL issued this wind advisory at Mar 21, 2012, 11:44 AM CDT for Choctaw County, Clarke County, Washington County, Alabama; 5 counties in Mississippi. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Mar 21, 2012, 11:44 AM CDT (16:44 UTC)
- Expired
- Mar 21, 2012, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Mobile, AL
Counties Choctaw County, AL, Clarke County, AL, Washington County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 80 km from the middle of the area, began a volume at 16:44 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.7 hours before the alert went out and 164 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
- 983 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 519 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 363 m²/s²
- 0-3 km storm-relative helicity
- 421 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 10.7
The text
As transmitted, in the capitals the NWS used until 2016.
833 WWUS74 KMOB 211644 NPWMOB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 1144 AM CDT WED MAR 21 2012 ...WINDY CONDITIONS AGAIN TODAY ACROSS INLAND SOUTHEAST MISSISSIPPI AND PORTIONS OF SOUTHWEST ALABAMA... .A VIGOROUS UPPER LEVEL LOW CONTINUES TO SLOWLY SPIN IN THE VICINITY OF NORTHWEST TEXAS/SOUTHWEST OKLAHOMA LATE THIS MORNING...WITH A SURFACE COLD FRONT MOVING VERY SLOWLY EAST ACROSS EASTERN LOUISIANA AND WESTERN MISSISSIPPI. A WELL MIXED ATMOSPHERE IN ADVANCE OF THIS SYSTEM...COMBINED WITH A STRONG LOW LEVEL JET...IS ALLOWING FOR FREQUENT STRONG WIND GUSTS OF 30 TO 35 MPH ACROSS PARTS OF SOUTHWEST ALABAMA AND INTERIOR SOUTHEAST MISSISSIPPI. A FEW GUSTS NEAR 40 MPH ARE POSSIBLE. ALZ051>053-061>064-MSZ067-075-076-078-079-220000- /O.NEW.KMOB.WI.Y.0007.120321T1644Z-120322T0000Z/ CHOCTAW-WASHINGTON-CLARKE-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN-WAYNE-PERRY-GREENE-STONE-GEORGE- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...MOBILE...PRICHARD... SARALAND...BAY MINETTE...TILLMANS CORNER...THEODORE...DAPHNE... FAIRHOPE...FOLEY...SPANISH FORT...WAYNESBORO...RICHTON... BEAUMONT...NEW AUGUSTA...LEAKESVILLE...MCLAIN...WIGGINS... LUCEDALE 1144 AM CDT WED MAR 21 2012 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING. * TIMING: BREEZY TO WINDY CONDITIONS ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON HOURS. * WINDS: SUSTAINED SOUTHEAST WINDS OF 15 TO 25 MPH WITH FREQUENT GUSTS OF 30 TO 35 MPH. OCCASIONAL WIND GUSTS NEAR 40 MPH ARE POSSIBLE. * IMPACTS: UNSECURED OUTDOOR OBJECTS SUCH AS TRASH CAN MAY BE BLOWN AROUND. DRIVING CAN BECOME DIFFICULT ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION...SOME SMALL TREE LIMBS MAY ALSO BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 25 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 3:25 PM CDT | Flash Flood Watch | MOB | Choctaw, Clarke, Monroe, Washington, Wilcox | 47 hr |
| Mar 21, 4:11 PM CDT | Severe Thunderstorm Warning | MOB | Stone | 34 min |
Nearby
Wind Advisories in Mississippi, 2012Wind Advisories in Alabama, 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.