Alert archive / Florida / Areal Flood Warnings in 2013

Areal Flood Warning 13, NWS Tallahassee, FL

February 25, 20135 counties in Florida

NWS Tallahassee, FL issued this areal flood warning at Feb 25, 2013, 4:42 AM CST for 5 counties in Florida. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 25, 2013, 4:42 AM CST (10:42 UTC)
Expired
Feb 25, 2013, 10:45 AM CST
In force
6 hr
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Flood severity
None

Counties Bay County, FL, Calhoun County, FL, Gadsden County, FL, Gulf County, FL, Liberty County, FL

The radar

The Tallahassee radar (KTLH), 77 km from the middle of the area, began a volume at 10:45 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

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 10.7 hours before the alert went out and 80 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, Tallahassee Rgnl, FL at 00:00Z on 2013-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Tallahassee Rgnl, FL at 00:00Z on 2013-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
768 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Tallahassee, FL wrote its last area forecast discussion before this areal flood warning went out at Feb 25, 3:58 AM CST, 44 minutes earlier.

Area forecast discussion, Feb 25, 3:58 AM CST, 44 minutes before
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Hazardous weather outlook, Feb 25, 4:28 AM CST, 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TALLAHASSEE FL
528 AM EST MON FEB 25 2013

ALZ065>069-FLZ007>019-026>029-034-108-112-114-115-118-127-128-134-
GAZ120>131-142>148-155>161-GMZ730-750-755-765-770-775-261030-
COFFEE-DALE-HENRY-GENEVA-HOUSTON-INLAND WALTON-CENTRAL WALTON-
HOLMES-WASHINGTON-JACKSON-INLAND BAY-CALHOUN-INLAND GULF-
INLAND FRANKLIN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY-
INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-SOUTH WALTON-
COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN-COASTAL JEFFERSON-
COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE-QUITMAN-CLAY-
RANDOLPH-TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-IRWIN-
EARLY-MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-
DECATUR-GRADY-THOMAS-BROOKS-LOWNDES-LANIER-
APALACHEE BAY OR COASTAL WATERS FROM KEATON BEACH TO OCHLOCKONEE
RIVER FL OUT TO 20 NM-
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM-
COASTAL WATERS FROM  OCHLOCKONEE RIVER TO APALACHICOLA FL OUT TO
20 NM-
COASTAL WATERS FROM  SUWANNEE RIVER TO KEATON BEACH OUT 20 NM-
WATERS FROM APALACHICOLA TO DESTIN FL FROM 20 TO 60 NM-
WATERS FROM  SUWANNEE RIVER TO APALACHICOLA FL FROM 20 TO 60 NM-
528 AM EST MON FEB 25 2013 /428 AM CST MON FEB 25 2013/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ALABAMA...
SOUTHWEST AND SOUTH CENTRAL GEORGIA...AND THE FLORIDA BIG BEND
AND PANHANDLE...AND ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT...

ANOTHER STORM SYSTEM WILL MOVE INTO THE REGION TODAY AND PRODUCE
MORE HEAVY RAINFALL ACROSS THE REGION. THE FLASH FLOODING
POTENTIAL IS HIGH TODAY DUE TO THIS ADDITIONAL RAINFALL.

THERE IS ALSO A THREAT FOR SEVERE WEATHER STARTING LATE THIS
AFTERNOON AND THROUGH THE OVERNIGHT HOURS. DAMAGING WINDS WILL BE
THE PRIMARY THREAT THOUGH AN ISOLATED TORNADO IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

ASIDE FROM A BRIEF CHANCE OF A SEVERE STORM WITH THE COLD FRONT
TUESDAY MORNING...DRIER CONDITIONS WILL RETURN BY TUESDAY AFTERNOON.
A SIGNIFICANT COOL DOWN IS LIKELY BY THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD ACTIVELY MONITOR AND REPORT FLOODING IN THEIR AREA
AND SEVERE WEATHER TODAY.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
WEBSITE ON THE INTERNET AT WEATHER.GOV...THEN CLICK ON YOUR AREA
OF INTEREST ON THE NATIONAL MAP.

38-GODSEY

In the hours before

Special weather statement, Feb 25, 1:38 AM CST, 3 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
238 AM EST MON FEB 25 2013

FLZ015-115-250805-
COASTAL FRANKLIN FL-INLAND FRANKLIN FL-
238 AM EST MON FEB 25 2013

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR FRANKLIN COUNTY...

* UNTIL 305 AM EST

AT 235 AM EST...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG
THUNDERSTORM NEAR EASTPOINT...OR NEAR FRANKLIN...MOVING NORTHEAST AT
30 MPH.

DIME SIZE HAIL IS POSSIBLE WITH THIS STORM.

THIS STORM IS CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS WHICH MAY
REDUCE VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS.

LAT...LON 2975 8491 2978 8489 2977 8492 2982 8496
      3000 8470 2987 8459 2983 8465 2982 8470
      2978 8475 2973 8489
TIME...MOT...LOC 0738Z 236DEG 24KT 2980 8485

08-LAMERS
Special weather statement, Feb 25, 2:06 AM CST, 2 hours 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
306 AM EST MON FEB 25 2013

FLZ015-115-250830-
COASTAL FRANKLIN FL-INLAND FRANKLIN FL-
306 AM EST MON FEB 25 2013

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR FRANKLIN COUNTY...

* UNTIL 330 AM EST

AT 300 AM EST...THE NATIONAL WEATHER SERVICE HAS DETECTED A STRONG
THUNDERSTORM NEAR CARRABELLE...OR NEAR YENT PLACE...MOVING NORTHEAST
AT 30 MPH.

DIME SIZE HAIL IS EXPECTED WITH THIS STORM.

THIS STORM IS CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS WHICH MAY
REDUCE VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS.

LAT...LON 2991 8480 3001 8461 3001 8453 2998 8452
      3000 8447 2997 8445 2996 8435 2994 8433
      2991 8433 2989 8440 2992 8447 2989 8447
      2987 8451 2990 8450 2991 8453 2987 8457
      2979 8474
TIME...MOT...LOC 0806Z 244DEG 26KT 2989 8466

08-LAMERS

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 6:49 PM CSTSpecial Marine WarningTAE56 min
Feb 24, 9:15 PM CSTSpecial Weather StatementTAEGadsden30 min
Feb 25, 1:06 AM CSTSpecial Marine WarningTAE84 min
Feb 25, 1:38 AM CSTSpecial Weather StatementTAEFranklin27 min
Feb 25, 2:06 AM CSTSpecial Weather StatementTAEWakulla24 min
Feb 25, 2:16 AM CSTSpecial Marine WarningTAE59 min
Feb 25, 3:12 AM CSTRiver Flood WarningTAELeon5 days
Feb 25, 3:28 AM CSTSmall Craft AdvisoryTAE59 hr
Feb 25, 5:07 AM CSTSpecial Marine WarningTAE38 min
Feb 25, 7:24 AM CSTSpecial Marine WarningTAE3 hr
Feb 25, 8:56 AM CSTFlash Flood WarningTAEBay, Calhoun94 min
Feb 25, 9:18 AM CSTFlash Flood WarningTAECalhoun, Jackson, Liberty117 min
Feb 25, 9:54 AM CSTSpecial Marine WarningTAE111 min
Feb 25, 10:14 AM CSTFlash Flood WarningTAEBay, Calhoun, Gadsden, Gulf, Jackson, Leon and 1 more2 hr
Feb 25, 10:25 AM CSTFlash Flood WarningTAEBay, Calhoun, Gulf4 hr
Feb 25, 10:45 AM CSTFlash Flood WarningTAELeon4 hr
Feb 25, 11:24 AM CSTTornado WarningTAEFranklin, Gulf36 min
Feb 25, 11:30 AM CSTSpecial Marine WarningTAE2 hr
Feb 25, 11:47 AM CSTTornado WarningTAEFranklin43 min
Feb 25, 11:56 AM CSTFlash Flood WarningTAELeon79 min
Feb 25, 12:30 PM CSTTornado WarningTAEFranklin, Wakulla45 min
Feb 25, 2:26 PM CSTSpecial Marine WarningTAE64 min
Feb 25, 3:06 PM CSTGale WarningTAE24 hr
Feb 25, 5:52 PM CSTRiver Flood WarningTAEGadsden, Leon8 days
Feb 24, 6:01 PM CSTSpecial Weather StatementTAEBrooks29 min
Feb 24, 6:11 PM CSTSevere Thunderstorm WarningTAEBerrien, Brooks, Cook, Lowndes, Thomas34 min
Feb 24, 6:17 PM CSTSevere Thunderstorm WarningTAELanier, Lowndes13 min
Feb 24, 6:25 PM CSTSpecial Weather StatementTAELowndes65 min
Feb 25, 8:47 AM CSTRiver Flood WarningTAEBerrien, Lowndes8 days

Nearby

Areal Flood Warnings in Florida, 2013Every areal flood warning in 2013

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.