Alert archive / Florida / Wind Chill Advisories in 2008

Wind Chill Advisory 3, NWS Tampa Bay, FL

January 14, 20086 counties in Florida

NWS Tampa Bay, FL issued this wind chill advisory at Jan 14, 2008, 1:58 PM EST for 6 counties in Florida. It took effect at Jan 15, 2008, 4:00 AM EST. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jan 14, 2008, 1:58 PM EST (18:58 UTC)
In effect from
Jan 15, 2008, 4:00 AM EST
Expired
Jan 15, 2008, 7:35 AM EST
In force
4 hr
Issued by
NWS Tampa Bay, FL

Counties DeSoto County, FL, Hardee County, FL, Highlands County, FL, Pinellas County, FL, Polk County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 49 km from the middle of the area, began a volume at 19:03 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

Tampa Bay, FL (KTBW), launched 12:00Z, 7.0 hours before the alert went out and 49 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, Tampa Bay, FL at 12:00Z on 2008-01-14Temperature 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, Tampa Bay, FL at 12:00Z on 2008-01-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -58 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1945 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-58 m²/s²
0-3 km storm-relative helicity
124 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 wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tampa Bay, FL wrote its last area forecast discussion before this wind chill advisory went out at Jan 14, 1:43 PM EST, 15 minutes earlier.

Area forecast discussion, Jan 14, 1:43 PM EST, 15 minutes before
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Hazardous weather outlook, Jan 14, 5:08 AM EST, 8 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
508 AM EST MON JAN 14 2008

FLZ039-042-043-048>052-055>057-060>062-065-141515-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
508 AM EST MON JAN 14 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST
FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

...FIRE WEATHER IMPACT...
A RED FLAG WARNING IS IN EFFECT TODAY FOR CRITICALLY LOW RELATIVE
HUMIDITIES ALONG WITH WINDS OF AROUND 15 MPH. THESE CONDITIONS
WILL ENHANCE THE SPREAD OF ANY WILDFIRES THAT OCCUR TODAY.

...WIND AND SEA IMPACT...
NORTHERLY WINDS AROUND 20 KNOTS WILL GENERATE ROUGH SEAS BETWEEN
20 AND 60 NM OFFSHORE. A SMALL CRAFT ADVISORY IS IN EFFECT...AND
FISHERMEN AND OTHER SMALL CRAFT OPERATORS MAY WANT TO POSTPONE
TRIPS UNTIL CONDITIONS IMPROVE.

...COLD WEATHER...
TEMPERATURES WILL PLUNGE INTO THE 30S AWAY FROM THE COAST TONIGHT.
PATCHY FROST MAY DEVELOP TOWARD SUNRISE IN SOME OF THE MORE
PROTECTED AREAS. WHILE LONG DURATIONS OF FREEZING TEMPERATURES ARE
NOT EXPECTED...SOME OF THE NORMALLY COLDER AREAS ALONG THE NATURE
COAST COULD SEE SUB-FREEZING TEMPERATURES OVERNIGHT.

RESIDENTS SHOULD COVER OR MOVE INDOORS ANY COLD SENSITIVE PLANTS
LATER TODAY.  ALSO...BRING PETS INDOORS THIS EVENING.

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

...FIRE WEATHER IMPACT...
A FIRE WEATHER WATCH IS IN EFFECT TUESDAY AFTERNOON FOR THE
POSSIBILITY OF LONG DURATIONS OF CRITICAL RELATIVE HUMIDITIES.

...GULF LOW IMPACT...
LOW PRESSURE IS FORECAST TO DEVELOP IN THE WESTERN GULF TUESDAY
NIGHT AND MOVE NORTHEAST TOWARD NORTH FLORIDA ON WEDNESDAY AND
WEDNESDAY NIGHT. THIS SYSTEM HAS THE POTENTIAL TO BECOME A GALE
CENTER...AND COULD BRING A MULTITUDE OF HAZARDS TO OUR REGION THIS
WEEK.

...THUNDERSTORM IMPACT...
THUNDERSTORMS AHEAD OF THE COLD FRONT ASSOCIATED WITH THE STRONG
LOW MAY MOVE ACROSS THE STATE ON THURSDAY. MOST OF THE ENERGY WILL
HAVE LIFTED OUT TO THE NORTH ALREADY...BUT SOME STRONG STORMS
WILL BE POSSIBLE...ESPECIALLY FOR THE NATURE COAST.

...COASTAL FLOOD IMPACT...
STRONG SOUTHERLY WINDS POSSIBLY UP TO GALE FORCE WILL DRIVE WATER
UP INTO THE NORTHEAST PART OF THE GULF OF MEXICO. AS WINDS BEGIN
TO TURN MORE SOUTHWESTERLY...THIS WATER WILL BE PUSHED TOWARD THE
COASTLINE...RESULTING IN MINOR TO MODERATE COASTAL FLOODING. THE
NATURE COAST IS THE MOST LIKELY TO EXPERIENCE TIDES OF 1 TO 3 FEET
ABOVE NORMAL. THE EXTENT OF ANY COASTAL FLOODING WILL DEPEND ON
HOW STRONG THE SYSTEM GETS AND THE TIMING OF THE SURGE WITH
RESPECT TO HIGH TIDE.

...RIP CURRENT IMPACT...
STRONG RIP CURRENTS ARE EXPECTED BY THURSDAY AS WINDS TURN ONSHORE
AND WAVE ENERGY REACHES THE COAST. HIGH SURF WILL ALSO OCCUR...
BRINGING HAZARDOUS CONDITIONS TO AREA BEACHES.

...WIND AND SEA IMPACT...
SOUTHERLY WINDS OF 20 TO 25 KNOTS WITH HIGHER GUSTS WILL TURN
SOUTHWESTERLY AS THE LOW CROSSES NORTH FLORIDA ON THURSDAY. SEAS
WILL BUILD TO AT LEAST 7 FEET...AND LIKELY HIGHER...ESPECIALLY IF
WINDS ARE STRONGER THAN CURRENTLY FORECAST.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

JILLSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 14, 1:42 PM ESTRed Flag WarningTBWDeSoto, Hardee, Highlands, Pinellas, Polk, Sumter28 hr

Nearby

Wind Chill Advisories in Florida, 2008Every wind chill advisory in 2008

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.