Alert archive / Alabama / Wind Advisories in 2017
Wind Advisory 1, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Jan 2, 2017, 7:29 PM CST for 11 counties in Alabama. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jan 2, 2017, 7:29 PM CST (01:29 UTC)
- Expired
- Jan 2, 2017, 11:00 PM CST
- In force
- 4 hr
- Issued by
- NWS Birmingham, AL
Counties Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Etowah County, AL, Randolph County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL
The radar
The Birmingham radar (KBMX), 92 km from the middle of the area, began a volume at 01:30 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
Nashville Metro, TN (KBNA), launched 00:00Z, 1.5 hours before the alert went out and 305 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 735 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 298 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
287 WWUS74 KBMX 030129 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 729 PM CST MON JAN 2 2017 ...STRONG WINDS ON THE BACKSIDE OF THE RAIN POSSIBLE ACROSS THE NORTHEAST... ALZ018>021-026>029-036>038-030500- /O.NEW.KBMX.WI.Y.0001.170103T0129Z-170103T0500Z/ ETOWAH-CALHOUN-CHEROKEE-CLEBURNE-ST. CLAIR-TALLADEGA-CLAY- RANDOLPH-COOSA-TALLAPOOSA-CHAMBERS- INCLUDING THE CITIES OF...GADSDEN...ANNISTON...CENTRE...HEFLIN... PELL CITY...MOODY...TALLADEGA...SYLACAUGA...ASHLAND...ROANOKE... ROCKFORD...ALEXANDER CITY...DADEVILLE...VALLEY...LANETT... LAFAYETTE 729 PM CST MON JAN 2 2017 ...WIND ADVISORY IN EFFECT UNTIL 11 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 11 PM CST THIS EVENING. * TIMING...OF THE STRONGEST WINDS WILL BE ON THE BACKSIDE OF THE RAIN SHIELD THROUGH 11 PM. * WINDS...OF 20 TO 30 MPH WITH GUSTS OF UP TO 40 MPH ARE POSSIBLE, ESPECIALLY IN THE HIGHER TERRAIN. * IMPACTS...OF THE STRONG WINDS COULD BREAK LARGE LIMBS AND CAUSE TRAVEL ISSUES FOR LARGER VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF GREATER THAN 24 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 Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 8:29 PM CST | River Flood Warning | BMX | Montgomery | 47 hr |
Nearby
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.