Alert archive / Florida / Areal Flood Advisories in 2012
Areal Flood Advisory 8, NWS Mobile, AL
NWS Mobile, AL issued this areal flood advisory at Mar 3, 2012, 9:15 AM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Mar 3, 2012, 9:15 AM CST (15:15 UTC)
- Expired
- Mar 3, 2012, 12:00 PM CST
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 102 km from the middle of the area, began a volume at 15:15 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.3 hours before the alert went out and 259 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
- 499 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 472 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.1
What forecasters said that day
The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Mobile, AL wrote its last area forecast discussion before this areal flood advisory went out at Mar 2, 5:32 PM CST, 15 hours 43 minutes earlier.
Area forecast discussion, Mar 2, 5:32 PM CST, 15 hours 43 minutes before
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</html>Hazardous weather outlook, Mar 2, 4:19 PM CST, 16 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOBILE AL 419 PM CST FRI MAR 2 2012 ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-032230- CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-WAYNE-PERRY- GREENE-STONE-GEORGE- 419 PM CST FRI MAR 2 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS THE REGION THROUGH THIS EVENING. A FEW STORMS MAY BECOME SEVERE WITH LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES. THUNDERSTORMS WILL BECOME MORE NUMEROUS LATE TONIGHT INTO EARLY SATURDAY MORNING AS A COLD FRONT ADVANCES ACROSS THE REGION. DAMAGING WINDS...LARGE HAIL AND A FEW TORNADOES WILL BE POSSIBLE OVERNIGHT. STORMS WILL ALSO BE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL AND LOCALIZED FLOODING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE SEVERE THREAT WILL END SATURDAY MORNING AS THE COLD FRONT MOVES THROUGH. OTHERWISE...NO OTHER HAZARDOUS WEATHER IS EXPECTED. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS WILL LIKELY BE REQUESTED THROUGH EARLY SATURDAY MORNING. GMZ630-650-655-670-675-032230- MOBILE BAY- COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM- COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM- WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM- WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM- 419 PM CST FRI MAR 2 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL WATERS OF ALABAMA AND NORTHWEST FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT A STRONG COLD FRONT WILL MOVE ACROSS THE MARINE AREA LATE TONIGHT...BRINGING AN INCREASING CHANCE OF THUNDERSTORMS. INCREASE IN WIND AND SEAS ARE LIKELY IN THE VICINITY OF THESE STORMS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A SMALL CRAFT ADVISORY IS IN EFFECT NOON SATURDAY THROUGH NOON SUNDAY FOR STRONG OFFSHORE WINDS BEHIND THE FRONT. SEAS AS HIGH AS 7 TO 9 FEET ARE EXPECTED OVERNIGHT SATURDAY INTO SUNDAY.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 7:47 PM CST | Tornado Warning | MOB | Choctaw | 26 min |
| Mar 3, 12:01 AM CST | Areal Flood Advisory | MOB | Choctaw, Clarke, Washington | 4 hr |
| Mar 3, 6:26 AM CST | Special Marine Warning | MOB | 64 min | |
| Mar 3, 7:22 AM CST | Special Marine Warning | MOB | 38 min | |
| Mar 3, 12:46 PM CST | Gale Warning | MOB | 20 hr | |
| Mar 3, 12:46 PM CST | Small Craft Advisory | MOB | 20 hr | |
| Mar 3, 2:21 PM CST | Fire Weather Watch | MOB | Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more | 17 hr |
Nearby
Areal Flood Advisories in Florida, 2012Every areal flood 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.