Alert archive / Alabama / Wind Advisories in 2011
Wind Advisory 9, NWS Huntsville, AL
NWS Huntsville, AL issued this wind advisory at Apr 16, 2011, 4:31 AM CDT for 11 counties in Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It took effect at Apr 16, 2011, 10:00 AM CDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 16, 2011, 4:31 AM CDT (09:31 UTC)
- In effect from
- Apr 16, 2011, 10:00 AM CDT
- Expired
- Apr 16, 2011, 5:23 PM CDT
- In force
- 7 hr
- Issued by
- NWS Huntsville, AL
Counties Colbert County, AL, Cullman County, AL, DeKalb County, AL, Franklin County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL, Franklin County, TN, Lincoln County, TN, Moore County, TN
The radar
The Northeast Alabama radar (KHTX), 69 km from the middle of the area, began a volume at 09:34 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, 9.5 hours before the alert went out and 159 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
- 17 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 773 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 471 m²/s²
- 0-3 km storm-relative helicity
- 487 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
540 WWUS74 KHUN 160931 NPWHUN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HUNTSVILLE AL 431 AM CDT SAT APR 16 2011 ...BREEZY CONDITIONS EXPECTED TODAY... .THE INTERACTION BETWEEN A STRONG LOW PRESSURE SYSTEM AND AN AREA OF HIGH PRESSURE TO THE SOUTHWEST WILL CREATE GUSTY WIND CONDITIONS TODAY. WINDS WILL GRADUALLY STRENGTHEN THIS MORNING AND PERSIST INTO THE AFTERNOON...BEFORE WEAKENING EARLY THIS EVENING. ALZ001>010-016-TNZ076-096-097-161815- /O.NEW.KHUN.WI.Y.0009.110416T1500Z-110417T0000Z/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS... RUSSELLVILLE...MOULTON...ATHENS...HUNTSVILLE...DECATUR... GUNTERSVILLE...SCOTTSBORO...FORT PAYNE...CULLMAN...LYNCHBURG... FAYETTEVILLE...WINCHESTER 431 AM CDT SAT APR 16 2011 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING. * TIMING: WINDS WILL GRADUALLY STRENGTHEN THIS MORNING AND ARE EXPECTED TO REACH ADVISORY STRENGTH IN MOST AREAS BY 10 AM. THE WINDS WILL PERSIST INTO THE AFTERNOON AND WILL WEAKEN BY THE EARLY EVENING. * WINDS: SUSTAINED WEST WINDS AROUND 15 TO 25 MPH WITH GUSTS AROUND 35 MPH ARE EXPECTED DURING THE PERIOD. WINDS IN THE HIGHER TERRAIN MAY BE ABOUT 5 MPH STRONGER. * IMPACTS: WIND SPEEDS THIS STRONG MAY CAUSE LOOSE OBJECTS OUTDOORS TO BLOW AROUND. SMALL OR WEAKENED TREE LIMBS MAY ALSO BE BROKEN. MOTORISTS IN HIGH PROFILE VEHICLES OR ON ELEVATED ROADWAYS IN OPEN AREAS MAY EXPERIENCE DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS IN EXCESS OF 25 MPH... OR GUSTS IN EXCESS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. IN ADDITION...ENSURE ALL LOOSE OUTDOOR OBJECTS REMAIN SECURE...INCLUDING PATIO FURNITURE AND TRASH CANS. && $$ KDW
2 follow-up statements
870 WWUS74 KHUN 161531 NPWHUN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HUNTSVILLE AL 1031 AM CDT SAT APR 16 2011 ...BREEZY CONDITIONS EXPECTED TODAY... .THE INTERACTION BETWEEN A STRONG LOW PRESSURE SYSTEM AND AN AREA OF HIGH PRESSURE TO THE SOUTHWEST WILL CREATE GUSTY WIND CONDITIONS TODAY...BEFORE THEY WEAKEN EARLY THIS EVENING. ALZ001>010-016-TNZ076-096-097-170000- /O.CON.KHUN.WI.Y.0009.000000T0000Z-110417T0000Z/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS... RUSSELLVILLE...MOULTON...ATHENS...HUNTSVILLE...DECATUR... GUNTERSVILLE...SCOTTSBORO...FORT PAYNE...CULLMAN...LYNCHBURG... FAYETTEVILLE...WINCHESTER 1031 AM CDT SAT APR 16 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * TIMING: THE WINDS WILL PERSIST INTO THE AFTERNOON AND WILL WEAKEN BY THE EARLY EVENING. * WINDS: SUSTAINED WEST WINDS AROUND 15 TO 25 MPH WITH GUSTS AROUND 35 MPH ARE EXPECTED DURING THE PERIOD. WINDS IN THE HIGHER TERRAIN MAY BE ABOUT 5 MPH STRONGER. * IMPACTS: WIND SPEEDS THIS STRONG MAY CAUSE LOOSE OBJECTS OUTDOORS TO BLOW AROUND. SMALL OR WEAKENED TREE LIMBS MAY ALSO BE BROKEN. MOTORISTS IN HIGH PROFILE VEHICLES OR ON ELEVATED ROADWAYS IN OPEN AREAS MAY EXPERIENCE DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS IN EXCESS OF 25 MPH... OR GUSTS IN EXCESS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. IN ADDITION...ENSURE ALL LOOSE OUTDOOR OBJECTS REMAIN SECURE...INCLUDING PATIO FURNITURE AND TRASH CANS. && $$
773 WWUS74 KHUN 162223 NPWHUN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HUNTSVILLE AL 523 PM CDT SAT APR 16 2011 ALZ001>010-016-TNZ076-096-097-162330- /O.CAN.KHUN.WI.Y.0009.000000T0000Z-110417T0000Z/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- INCLUDING THE CITIES OF...FLORENCE...MUSCLE SHOALS... RUSSELLVILLE...MOULTON...ATHENS...HUNTSVILLE...DECATUR... GUNTERSVILLE...SCOTTSBORO...FORT PAYNE...CULLMAN...LYNCHBURG... FAYETTEVILLE...WINCHESTER 523 PM CDT SAT APR 16 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS CANCELLED THE WIND ADVISORY. WEST TO NORTHWEST WINDS HAVE DIMINISHED TO 10 TO 20 MPH WITH A FEW HIGHER GUSTS. THE WINDS WILL CONTINUE TO WEAKEN EARLY THIS EVENING. $$ KULA
The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:26 PM CDT | Special Weather Statement | HUN | DeKalb | 34 min |
| Apr 15, 8:26 PM CDT | Special Weather Statement | HUN | Marshall | 49 min |
| Apr 15, 8:50 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 25 min |
| Apr 15, 8:59 PM CDT | Tornado Warning | HUN | DeKalb | 31 min |
| Apr 15, 9:21 PM CDT | Special Weather Statement | HUN | Marshall | 24 min |
| Apr 15, 9:44 PM CDT | Special Weather Statement | HUN | Jackson | 46 min |
| Apr 15, 9:51 PM CDT | Special Weather Statement | HUN | Marshall | 24 min |
| Apr 16, 2:11 PM CDT | River Flood Warning | HUN | Jackson, Madison, Marshall | 44 hr |
Nearby
Wind Advisories in Alabama, 2011Wind Advisories in Tennessee, 2011Every wind advisory in 2011
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.