Alert archive / Alabama / Special Weather Statements in 2015

Special Weather Statement, NWS Mobile, AL

March 19, 2015Clarke County, Alabama

NWS Mobile, AL issued this special weather statement at Mar 19, 2015, 1:52 AM CDT for Clarke County, Alabama. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 19, 2015, 1:52 AM CDT (06:52 UTC)
Expired
Mar 19, 2015, 2:15 AM CDT
In force
23 min
Issued by
NWS Mobile, AL

County Clarke County, AL

The radar

The Mobile radar (KMOB), 139 km from the middle of the area, began a volume at 06:51 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

Jackson, MS (KJAN), launched 00:00Z, 6.9 hours before the alert went out and 198 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, Jackson, MS at 00:00Z on 2015-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jackson, MS at 00:00Z on 2015-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.1939587897Sfc1 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
14 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
1330 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 19, 12:01 AM CDT, 1 hour 51 minutes earlier.

Area forecast discussion, Mar 19, 12:01 AM CDT, 1 hour 51 minutes before
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Hazardous weather outlook, Mar 18, 6:07 AM CDT, 19 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
607 AM CDT WED MAR 18 2015

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-
607 AM CDT WED MAR 18 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT

AREAS OF FOG BECOMING LOCALLY DENSE AT TIMES CAN BE EXPECTED LATE
THIS EVENING AND OVERNIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

AREAS OF FOG LOCALLY DENSE AT TIMES CAN BE EXPECTED DURING THE LIGHT
NIGHT AND EARLY MORNING HOURS THROUGH THE REMAINDER OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS IS NOT
EXPECTED THROUGH TUESDAY.

GMZ630>635-650-655-670-675-191200-
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 WED MAR 18 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL
WATERS OF ALABAMA AND NORTHWEST FLORIDA.

.DAY ONE...TODAY AND TONIGHT

AREAS OF FOG BECOMING LOCALLY DENSE AT TIMES CAN BE EXPECTED LATE
THIS EVENING AND OVERNIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

AREAS OF FOG LOCALLY DENSE AT TIMES CAN BE EXPECTED DURING THE LIGHT
NIGHT AND EARLY MORNING HOURS THROUGH THE REMAINDER OF THE WEEK.

In the hours before

Special weather statement, Mar 18, 10:27 PM CDT, 3 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1027 PM CDT WED MAR 18 2015

MSZ067-075-076-190500-
PERRY-WAYNE-GREENE-
1027 PM CDT WED MAR 18 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN GREENE...WAYNE
AND NORTHERN PERRY COUNTIES...

AT 1026 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR MOSS TO NEAR PETAL...AND MOVING EAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
WAYNESBORO...RICHTON...STATE LINE...CLARA...BUCKATUNNA...CORINTH...
BELMONT...LIGHTSEY...MATHERVILLE...CARSON CITY...ERET...KNOBTOWN...
HENDERSON...BREWER...MCSWAIN...BATTLES...CHICORA...SMITHTOWN...BOICE
AND TALLAHALA.

LAT...LON 3143 8894 3183 8894 3184 8873 3186 8861
      3189 8849 3135 8847 3126 8914 3143 8914
TIME...MOT...LOC 0326Z 252DEG 23KT 3183 8914 3138 8927
Special weather statement, Mar 19, 12:04 AM CDT, 1 hour 48 minutes before
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Special weather statement, Mar 19, 1:52 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 11:33 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke27 min
Mar 19, 12:04 AM CDTSpecial Weather StatementMOBChoctaw56 min
Mar 19, 6:14 AM CDTSpecial Weather StatementMOBBaldwin31 min
Mar 18, 10:27 PM CDTSpecial Weather StatementMOBWayne93 min
Mar 18, 10:42 PM CDTSevere Thunderstorm WarningMOBWayne63 min

Nearby

Special Weather Statements in Alabama, 2015Every special weather statement 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.