Alert archive / Alabama / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 76, NWS Huntsville, AL

June 24, 2015Madison County, Morgan County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Jun 24, 2015, 12:53 AM CDT for Madison County, Morgan County, Alabama. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 24, 2015, 12:53 AM CDT (05:53 UTC)
Expired
Jun 24, 2015, 1:15 AM CDT
In force
22 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Madison County, AL, Morgan County, AL

The radar

The Northeast Alabama radar (KHTX), 67 km from the middle of the area, began a volume at 05:54 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 00:00Z, 5.9 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2015-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 927 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2015-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
927 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
2022 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Huntsville, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 24, 12:34 AM CDT, 19 minutes earlier.

Area forecast discussion, Jun 24, 12:34 AM CDT, 19 minutes before
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Hazardous weather outlook, Jun 23, 9:19 PM CDT, 3 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
919 PM CDT TUE JUN 23 2015

ALZ001>010-016-TNZ076-096-097-241000-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
919 PM CDT TUE JUN 23 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS
OF SOUTHERN MIDDLE TENNESSEE.

.DAY ONE...TONIGHT...

SCATTERED THUNDERSTORMS ARE EXPECTED TO MOVE SOUTHEAST INTO SOUTHERN
MIDDLE TENNESSEE AND INTO NORTHERN ALABAMA ALONG THE
TENNESSEE/ALABAMA BORDER THROUGH MIDNIGHT. SOME STORMS MAY PRODUCE
STRONG GUSTY WINDS AND FREQUENT LIGHTNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

SCATTERED THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY AFTERNOON WITH A
BETTER CHANCE OF SHOWERS AND THUNDERSTORMS RETURNING FOR THE END OF
THE WEEK AND INTO THE WEEKEND. STRONG GUSTY WINDS AND FREQUENT
LIGHTNING WILL BE THE MAIN HAZARDS.

DANGEROUS HEAT IS EXPECTED THROUGH THURSDAY WITH AFTERNOON HIGH
TEMPERATURES IN THE MID TO UPPER 90S. HEAT INDEX VALUES ARE EXPECTED
TO REACH AT OR ABOVE 105 DEGREES IN SEVERAL LOCATIONS ALONG AND WEST
OF THE INTERSTATE 65 CORRIDOR. HEAT INDEX VALUES OF 95 TO 105 ARE
EXPECTED FURTHER EAST.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
NOT ANTICIPATED AT THIS TIME.

In the hours before

Special weather statement, Jun 23, 11:13 PM CDT, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1113 PM CDT TUE JUN 23 2015

ALZ001-002-240500-
LAUDERDALE AL-COLBERT AL-
1113 PM CDT TUE JUN 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN LAUDERDALE AND
COLBERT COUNTIES UNTIL 1200 AM CDT...

AT 1112 PM CDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR BURNSVILLE TO NEAR
TUSCUMBIA...AND MOVING SOUTH AT 20 MPH.

WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
FLORENCE...SHEFFIELD...TUSCUMBIA...J P COLEMAN STATE PARK...
CHEROKEE...UNDERWOOD-PETERSVILLE...WATERLOO...MARGERUM...CROOKED OAK
AND EASTPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LOCALLY HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO MINOR FLOODING ON ROADS AND IN LOW LYING AREAS. DO NOT DRIVE
YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3495 8816 3497 8810 3490 8771 3457 8770
      3459 8814 3489 8810 3492 8816 3494 8817
TIME...MOT...LOC 0412Z 006DEG 20KT 3480 8831 3474 8780

TT
Special weather statement, Jun 23, 11:27 PM CDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1127 PM CDT TUE JUN 23 2015

TNZ076-096-240515-
MOORE TN-LINCOLN TN-
1127 PM CDT TUE JUN 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MOORE AND NORTHEASTERN
LINCOLN COUNTIES UNTIL 1215 AM CDT...

AT 1127 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 7
MILES EAST OF PETERSBURG...OR 8 MILES NORTHWEST OF LYNCHBURG...MOVING
SOUTH AT 20 MPH.

WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
LYNCHBURG...CHESTNUT RIDGE...BOONEVILLE AND BELLEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LOCALLY HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY
LEAD TO MINOR FLOODING ON ROADS AND IN LOW LYING AREAS. DO NOT DRIVE
YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3535 8654 3536 8649 3533 8646 3532 8642
      3535 8641 3535 8637 3536 8634 3531 8628
      3522 8653 3534 8661 3536 8660 3537 8659
TIME...MOT...LOC 0427Z 346DEG 15KT 3534 8650

TT
Special weather statement, Jun 23, 11:38 PM CDT, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1138 PM CDT TUE JUN 23 2015

ALZ003-240530-
FRANKLIN AL-
1138 PM CDT TUE JUN 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR FRANKLIN COUNTY UNTIL 1230 AM
CDT...

AT 1138 PM CDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM BELMONT TO NEAR
LITTLEVILLE...AND MOVING SOUTH AT 35 MPH.

WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
RUSSELLVILLE...RED BAY...PHIL CAMPBELL...BELGREEN...VINA...HODGES...
ATWOOD...LITTLE BEAR CREEK RESERVOIR...SPRUCE PINE AND NEWBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LOCALLY HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO MINOR FLOODING ON ROADS AND IN LOW LYING AREAS. DO NOT DRIVE
YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3454 8814 3456 8754 3431 8758 3432 8817
TIME...MOT...LOC 0438Z 016DEG 31KT 3451 8819 3453 8764

TT
Special weather statement, Jun 24, 12:06 AM CDT, 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1206 AM CDT WED JUN 24 2015

ALZ005-006-009-TNZ076-096-097-240545-
MADISON AL-JACKSON AL-LIMESTONE AL-MOORE TN-FRANKLIN TN-LINCOLN TN-
1206 AM CDT WED JUN 24 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MADISON...NORTHWESTERN
JACKSON...NORTHEASTERN LIMESTONE...MOORE...WESTERN FRANKLIN AND
LINCOLN COUNTIES UNTIL 1245 AM CDT...

AT 1205 AM CDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST OF
PULASKI TO NEAR TIMS FORD LAKE...AND MOVING SOUTH AT 20 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
NORTHERN HUNTSVILLE...FAYETTEVILLE...LYNCHBURG...MOORES MILL...
MERIDIANVILLE...HAZEL GREEN...ARDMORE...HUNTLAND...SKYLINE AND
PETERSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LOCALLY HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO MINOR FLOODING ON ROADS AND IN LOW LYING AREAS. DO NOT DRIVE
YOUR VEHICLE THROUGH FLOODED ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE SEVERAL MILES AWAY FROM THE PARENT THUNDERSTORM.
SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3531 8619 3480 8601 3486 8707 3499 8707
      3499 8684 3526 8683 3525 8675 3531 8668
      3533 8660
TIME...MOT...LOC 0505Z 348DEG 17KT 3528 8699 3526 8626

RSB
Special weather statement, Jun 24, 12:31 AM CDT, 22 minutes before
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Special weather statement, Jun 24, 12:45 AM CDT, 8 minutes before
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The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 23, 10:32 PM CDTSpecial Weather StatementHUNLauderdale43 min
Jun 23, 11:13 PM CDTSpecial Weather StatementHUNColbert47 min
Jun 23, 11:38 PM CDTSpecial Weather StatementHUNFranklin52 min
Jun 24, 12:26 AM CDTSevere Thunderstorm WarningHUNMadison34 min
Jun 24, 1:06 AM CDTSpecial Weather StatementHUNJackson39 min
Jun 24, 2:07 AM CDTSpecial Weather StatementHUNMorgan38 min
Jun 24, 1:37 PM CDTHeat AdvisoryHUNColbert, Cullman, Franklin, Lauderdale, Lawrence, Limestone and 3 more31 hr
Jun 24, 4:59 PM CDTSpecial Weather StatementHUNJackson46 min
Jun 24, 5:05 PM CDTSpecial Weather StatementHUNJackson40 min
Jun 24, 5:45 PM CDTSpecial Weather StatementHUNJackson45 min
Jun 24, 6:23 PM CDTSpecial Weather StatementHUNMadison52 min
Jun 23, 8:12 PM CDTSpecial Weather StatementHUNMoore48 min
Jun 23, 8:43 PM CDTSpecial Weather StatementHUNLincoln47 min
Jun 23, 9:56 PM CDTSpecial Weather StatementHUNLincoln34 min
Jun 23, 11:27 PM CDTSpecial Weather StatementHUNMoore48 min
Jun 24, 12:06 AM CDTSpecial Weather StatementHUNLincoln, Moore39 min
Jun 24, 12:31 AM CDTSpecial Weather StatementHUNLincoln29 min
Jun 24, 12:45 AM CDTSpecial Weather StatementHUNFranklin45 min
Jun 24, 3:45 PM CDTSpecial Weather StatementHUNFranklin30 min
Jun 24, 4:14 PM CDTSpecial Weather StatementHUNFranklin46 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2015Every severe thunderstorm warning 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.