Alert archive / Alabama / Heat Advisories in 2010
Heat Advisory 7, NWS Mobile, AL
NWS Mobile, AL issued this heat advisory at Aug 5, 2010, 3:24 PM CDT for 5 counties in Alabama; 5 counties in Mississippi. It took effect at Aug 6, 2010, 12:00 PM CDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Aug 5, 2010, 3:24 PM CDT (20:24 UTC)
- In effect from
- Aug 6, 2010, 12:00 PM CDT
- Expired
- Aug 6, 2010, 6:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
Counties Choctaw County, AL, Clarke County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 84 km from the middle of the area, began a volume at 20:25 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, 8.4 hours before the alert went out and 187 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
- 2594 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this heat 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 heat advisory went out at Aug 5, 2:30 PM CDT, 54 minutes earlier.
Area forecast discussion, Aug 5, 2:30 PM CDT, 54 minutes before
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</html>Hazardous weather outlook, Aug 5, 5:40 AM CDT, 9 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOBILE AL 540 AM CDT THU AUG 5 2010 ALZ051>064-FLZ001>006-GMZ630-650-655-670-675-MSZ067-075-076-078- 079-061100- 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-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-WAYNE-PERRY- GREENE-STONE-GEORGE- 540 AM CDT THU AUG 5 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL AND SOUTHWEST ALABAMA...NORTHWEST FLORIDA...SOUTHEAST MISSISSIPPI AND THE COASTAL WATERS OF ALABAMA AND NORTHWEST FLORIDA... .DAY ONE...TODAY AND TONIGHT EXCESSIVE HEAT WILL CONTINUE TODAY ACROSS THE REGION WITH PEAK AFTERNOON HEAT INDEX VALUES OF 108 TO 112 DEGREES...GENERALLY NORTH OF A LINE FROM SNOW HILL TO MONROEVILLE AND SOUTHWEST TO NEAR WIGGINS. MAXIMUM HEAT INDEX VALUES SOUTH OF THAT LINE ARE EXPECTED TO RANGE FROM 104 TO 108...LOWER BUT POTENTIALLY STILL DANGEROUS. THE RISK OF HEAT RELATED ILLNESS REMAINS ELEVATED. THUNDERSTORMS WILL DEVELOP BY MID MORNING AND TEND TO MOVE OR DEVELOP FURTHER INLAND BY MID AFTERNOON. THE STRONGER STORMS COULD CONTAIN STRONG WIND GUSTS UP TO 50 MPH...BRIEF BUT HEAVY RAINS AND FREQUENT LIGHTNING. THE ENVIRONMENT IS FAVORABLE FOR WATERSPOUT DEVELOPMENT...MAINLY EARLY MORNING INTO EARLY AFTERNOON. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY LATE MORNING AND AFTERNOON HEAT INDICES RANGING FROM 102 TO 107 DEGREES IS EXPECTED EACH AFTERNOON. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE... MAINLY MID MORNING TO LATE AFTERNOON. ANY THUNDERSTORM WILL BE CAPABLE OF PRODUCING BRIEF STRONG WIND GUSTS...DANGEROUS LIGHTNING...AND HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL FOR SEVERE WEATHER IS NOT EXPECTED TO BE REQUIRED.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 5:04 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 41 min |
Nearby
Heat Advisories in Alabama, 2010Heat Advisories in Mississippi, 2010Every heat advisory in 2010
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.