Alert archive / Alabama / Areal Flood Advisories in 2012
Areal Flood Advisory 45, NWS Mobile, AL
NWS Mobile, AL issued this areal flood advisory at Jul 18, 2012, 2:00 PM CDT for Baldwin County, Alabama. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 18, 2012, 2:00 PM CDT (19:00 UTC)
- Expired
- Jul 18, 2012, 4:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Baldwin County, AL
The radar
The Mobile radar (KMOB), 47 km from the middle of the area, began a volume at 18:59 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, 7.0 hours before the alert went out and 192 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
- 1179 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 946 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 18, 12:39 PM CDT, 1 hour 21 minutes earlier.
Area forecast discussion, Jul 18, 12:39 PM CDT, 1 hour 21 minutes before
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</html>Hazardous weather outlook, Jul 18, 11:55 AM CDT, 2 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOBILE AL 1155 AM CDT WED JUL 18 2012 ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-191200- 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- 1155 AM CDT WED JUL 18 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. .DAY ONE...REST OF TODAY AND TONIGHT NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE REGION THROUGH THIS AFTERNOON AND THEN GRADUALLY DIMINISH DURING THE EVENING HOURS. ATMOSPHERIC CONDITIONS CONTINUE TO SUPPORT FREQUENT LIGHTNING...STRONG GUSTY WINDS AND TORRENTIAL DOWNPOURS WITH THE STRONGER STORMS. A FEW SEVERE STORMS WILL BE POSSIBLE...BUT WIDESPREAD ORGANIZED SEVERE WEATHER IS NOT ANTICIPATED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED TO OCCASIONALLY NUMEROUS SHOWERS AND THUNDERSTORMS WILL REMAIN IN THE FORECAST THROUGH THE WEEKEND AND INTO THE EARLY PART OF NEXT WEEK. GUSTY WINDS...FREQUENT LIGHTNING AND HEAVY DOWNPOURS CAN BE EXPECTED WITH ANY OF THE STRONGER THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS IS NOT EXPECTED THROUGH TUESDAY. GMZ630-650-655-670-675-191200- 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- 1155 AM CDT WED JUL 18 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL WATERS OF ALABAMA AND NORTHWEST FLORIDA. .DAY ONE...REST OF TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE OVER THE MARINE AREA THROUGH TONIGHT. A FEW OF THE STORMS WILL BE CAPABLE OF PRODUCING STRONG WIND GUSTS AND RESULTANT LOCALLY ROUGHER SEAS...FREQUENT LIGHTNING...AND POTENTIALLY A FEW WATERSPOUTS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER THE MARINE AREA THROUGH THE WEEKEND AND INTO THE EARLY PART OF NEXT WEEK. SOME OF THE STORMS WILL BE CAPABLE OF PRODUCING STRONG WIND GUSTS...FREQUENT LIGHTNING...AND POTENTIALLY A FEW WATERSPOUTS.
In the hours before
Special weather statement, Jul 18, 1:42 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 142 PM CDT WED JUL 18 2012 ALZ064-181945- LOWER BALDWIN AL- 142 PM CDT WED JUL 18 2012 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...THROUGH 245 PM CDT... AT 141 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES NORTH OF GULF SHORES...OR NEAR BON SECOUR...AND MOVING SOUTH AT 5 MPH. * LOCATIONS IMPACTED INCLUDE... GULF SHORES... BON SECOUR... THE PRIMARY THREATS FROM THIS STORM ARE WIND GUSTS UP TO 55 MPH. WINDS THIS STRONG COULD BLOW OFF TREE LIMBS AND ALSO BLOW AROUND SMALL UNSECURED OBJECTS. SEEK SHELTER UNTIL THIS STORM HAS PASSED. SMALL HAIL IS ALSO POSSIBLE WITH THIS STORM. FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES. &&
Special weather statement, Jul 18, 1:50 PM CDT, 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 150 PM CDT WED JUL 18 2012 ALZ051-181945- CHOCTAW AL- 150 PM CDT WED JUL 18 2012 ...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CHOCTAW COUNTY IN SOUTHWEST ALABAMA...THROUGH 245 PM CDT... AT 147 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES WEST OF BUTLER...OR 6 MILES NORTH OF NEEDHAM...AND MOVING SOUTH AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... TOXEY... NEEDHAM... GILBERTOWN... BUTLER... THE PRIMARY THREATS FROM THIS STORM ARE WIND GUSTS UP TO 55 MPH. WINDS THIS STRONG COULD BLOW OFF TREE LIMBS AND ALSO BLOW AROUND SMALL UNSECURED OBJECTS. SEEK SHELTER UNTIL THIS STORM HAS PASSED. SMALL HAIL IS ALSO POSSIBLE WITH THIS STORM. FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES. &&
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:04 PM CDT | Areal Flood Advisory | MOB | Baldwin, Mobile | 116 min |
| Jul 17, 7:40 PM CDT | Special Marine Warning | MOB | 35 min | |
| Jul 17, 7:46 PM CDT | Areal Flood Advisory | MOB | Baldwin | 119 min |
| Jul 17, 8:10 PM CDT | Special Marine Warning | MOB | 65 min | |
| Jul 17, 8:14 PM CDT | Areal Flood Advisory | MOB | Mobile | 2 hr |
| Jul 17, 8:24 PM CDT | Areal Flood Advisory | MOB | Butler, Conecuh, Covington | 2 hr |
| Jul 18, 1:44 PM CDT | Special Marine Warning | MOB | 91 min | |
| Jul 18, 2:07 PM CDT | Special Marine Warning | MOB | 53 min | |
| Jul 18, 2:20 PM CDT | Areal Flood Advisory | MOB | Choctaw | 4 hr |
| Jul 18, 2:23 PM CDT | Areal Flood Advisory | MOB | Mobile | 4 hr |
| Jul 18, 2:27 PM CDT | Special Marine Warning | MOB | 93 min | |
| Jul 18, 3:15 PM CDT | Areal Flood Advisory | MOB | Choctaw | 2 hr |
| Jul 18, 3:28 PM CDT | Areal Flood Advisory | MOB | Mobile | 2 hr |
| Jul 18, 4:02 PM CDT | Severe Thunderstorm Warning | MOB | Greene | 43 min |
Nearby
Areal Flood Advisories in Alabama, 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.