Alert archive / Alabama / Heat Advisories in 2015
Heat Advisory 9, NWS Mobile, AL
NWS Mobile, AL issued this heat advisory at Jul 21, 2015, 3:53 PM CDT for 12 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi. It took effect at Jul 22, 2015, 11:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jul 21, 2015, 3:53 PM CDT (20:53 UTC)
- In effect from
- Jul 22, 2015, 11:00 AM CDT
- Expired
- Jul 22, 2015, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Mobile, AL
Counties Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 20:54 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
Birmingham, AL (KBMX), launched 12:00Z, 8.9 hours before the alert went out and 231 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
- 1589 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 Jul 21, 12:05 PM CDT, 3 hours 48 minutes earlier.
Area forecast discussion, Jul 21, 12:05 PM CDT, 3 hours 48 minutes before
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</html>Hazardous weather outlook, Jul 21, 6:07 AM CDT, 9 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOBILE AL 607 AM CDT TUE JUL 21 2015 ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-221200- CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL- BALDWIN CENTRAL-MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA INLAND- ESCAMBIA COASTAL-SANTA ROSA INLAND-SANTA ROSA COASTAL- OKALOOSA INLAND-OKALOOSA COASTAL-WAYNE-PERRY-GREENE-STONE-GEORGE- 607 AM CDT TUE JUL 21 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. .DAY ONE...TODAY AND TONIGHT DANGEROUS HEAT INDUCES FROM 108 TO 112 CAN BE EXPECTED AGAIN TODAY. SCATTERED THUNDERSTORMS...A FEW STRONG OR POSSIBLY SEVERE WITH GUSTY STRAIGHT LINE WINDS AND FREQUENT CLOUD TO GROUND LIGHTNING...CAN BE EXPECTED THIS AFTERNOON AND EARLY THIS EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY DANGEROUS HEAT INDICES WILL BE POSSIBLE EACH DAY THROUGH EARLY NEXT WEEK. CONDITIONS WILL BE MONITORED CLOSELY FOR POSSIBLE ADVISORIES THROUGH EARLY NEXT WEEK. A FEW STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE MAINLY DURING THE AFTERNOON AND EARLY EVENING HOURS. GUSTY STRAIGHT LINE WINDS...DANGEROUS LIGHTNING AND PERIODS OF VERY HEAVY RAIN CAN BE EXPECTED WITH THE STRONGER THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS IS NOT EXPECTED THROUGH MONDAY. GMZ630>635-650-655-670-675-221200- NORTHERN MOBILE BAY-SOUTHERN MOBILE BAY-MISSISSIPPI SOUND- PERDIDO BAY-PENSACOLA BAY SYSTEM-CHOCTAWHATCHEE 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- 607 AM CDT TUE JUL 21 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL WATERS OF ALABAMA AND NORTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT WINDS AND SEAS WILL BE HIGHER NEAR ISOLATED TO SCATTERED THUNDERSTORMS BEGINNING LATER TODAY CONTINUING THROUGH EARLY THIS EVENING. FREQUENT LIGHTNING ACTIVITY WILL ALSO OCCUR IN AND NEAR THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WINDS AND SEAS WILL BE HIGHER NEAR ISOLATED TO SCATTERED THUNDERSTORMS THROUGH THE FORECAST PERIOD. FREQUENT LIGHTNING ACTIVITY WILL ALSO OCCUR IN AND NEAR STORMS.
In the hours before
Special weather statement, Jul 21, 1:59 PM CDT, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 159 PM CDT TUE JUL 21 2015 ALZ056-060-212000- COVINGTON AL-CONECUH AL- 159 PM CDT TUE JUL 21 2015 ...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES... NORTHWESTERN COVINGTON AND EAST CENTRAL CONECUH IN SOUTHCENTRAL ALABAMA UNTIL 300 PM CDT... AT 159 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 8 MILES WEST OF RED LEVEL...OR 11 MILES EAST OF EVERGREEN...MOVING SOUTHEAST AT 15 MPH. LOCATIONS IMPACTED INCLUDE... ANDALUSIA... RIVER FALLS... RED LEVEL... THE PRIMARY THREATS FROM THIS STORM ARE WIND GUSTS UP TO 50 MPH. WINDS THIS STRONG COULD BLOW OFF TREE LIMBS AND ALSO BLOW AROUND SMALL UNSECURED OBJECTS. SEEK SHELTER UNTIL THIS STORM HAS PASSED. 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 WIRED TELEPHONES DIRECTLY CONNECTED TO OUTSIDE PHONE LINES. LAT...LON 3135 8686 3150 8672 3138 8646 3117 8660 TIME...MOT...LOC 1859Z 304DEG 11KT 3141 8676
Special weather statement, Jul 21, 2:04 PM CDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
204 PM CDT TUE JUL 21 2015
ALZ054-212000-
WILCOX AL-
204 PM CDT TUE JUL 21 2015
...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...CENTRAL
WILCOX IN SOUTHCENTRAL ALABAMA UNTIL 300 PM CDT...
AT 204 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER BOYKIN...OR 7
MILES NORTH OF CAMDEN...MOVING SOUTHEAST AT 15 MPH.
LOCATIONS IMPACTED INCLUDE...
CAMDEN... OAK HILL... BOYKIN...
THE PRIMARY THREATS FROM THIS STORM ARE WIND GUSTS UP TO 50 MPH.
WINDS THIS STRONG COULD BLOW OFF TREE LIMBS AND ALSO BLOW AROUND
SMALL UNSECURED OBJECTS. SEEK SHELTER UNTIL THIS STORM HAS PASSED.
LAT...LON 3222 8738 3220 8736 3216 8729 3214 8728
3215 8727 3214 8725 3212 8726 3210 8723
3208 8719 3207 8719 3205 8718 3205 8697
3183 8713 3183 8715 3210 8754
TIME...MOT...LOC 1904Z 304DEG 11KT 3209 8733Special weather statement, Jul 21, 3:16 PM CDT, 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
316 PM CDT TUE JUL 21 2015
ALZ060-212115-
COVINGTON AL-
316 PM CDT TUE JUL 21 2015
...A CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING
COUNTIES...EASTERN COVINGTON IN SOUTHCENTRAL ALABAMA UNTIL 415 PM
CDT...
AT 314 PM CDT...A CLUSTER OF STRONG THUNDERSTORMS WERE LOCATED OVER
BABBIE...OR NEAR OPP...MOVING SOUTHEAST AT 10 MPH.
LOCATIONS IMPACTED INCLUDE...
ANDALUSIA... OPP... BABBIE...
HEATH... SANFORD... HORN HILL...
ONYCHA...
THE PRIMARY THREATS FROM THESE STORMS ARE WIND GUSTS UP TO 50 MPH.
WINDS THIS STRONG COULD BLOW OFF TREE LIMBS AND ALSO BLOW AROUND
SMALL UNSECURED OBJECTS. SEEK SHELTER UNTIL THESE STORMS HAVE PASSED.
SMALL HAIL IS ALSO POSSIBLE WITH THESE STORMS.
FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE
INDOORS IF POSSIBLE. STAY AWAY FROM WINDOWS AND DOORS. AVOID USING
WIRED TELEPHONES DIRECTLY CONNECTED TO OUTSIDE PHONE LINES.
LAT...LON 3100 8627 3135 8654 3146 8637 3131 8619
3106 8619
TIME...MOT...LOC 2014Z 316DEG 9KT 3129 8636The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:52 AM CDT | Special Weather Statement | MOB | Wilcox | 53 min |
| Jul 21, 10:46 AM CDT | Special Marine Warning | MOB | 59 min | |
| Jul 21, 1:59 PM CDT | Special Weather Statement | MOB | Covington | 61 min |
| Jul 21, 2:04 PM CDT | Special Weather Statement | MOB | Wilcox | 56 min |
| Jul 21, 3:16 PM CDT | Special Weather Statement | MOB | Covington | 59 min |
| Jul 21, 4:43 PM CDT | Special Weather Statement | MOB | Covington | 77 min |
| Jul 21, 5:11 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 53 min |
| Jul 21, 5:32 PM CDT | Special Weather Statement | MOB | Okaloosa | 73 min |
| Jul 21, 6:01 PM CDT | Areal Flood Advisory | MOB | Okaloosa | 119 min |
| Jul 21, 6:25 PM CDT | Special Weather Statement | MOB | Perry | 65 min |
| Jul 21, 6:40 PM CDT | Special Weather Statement | MOB | Wayne | 65 min |
| Jul 21, 6:52 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 20 min |
Nearby
Heat Advisories in Alabama, 2015Heat Advisories in Mississippi, 2015Heat Advisories in Florida, 2015Every heat advisory in 2015
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.