Alert archive / Florida / Flood Watches in 2013

Flood Watch 2, NWS Tampa Bay, FL

July 1, 20136 counties in Florida

NWS Tampa Bay, FL issued this flood watch at Jul 1, 2013, 2:49 PM EDT for 6 counties in Florida. It was in force for 53 hr.

The area

The counties it named.

The facts

Issued
Jul 1, 2013, 2:49 PM EDT (18:49 UTC)
Expired
Jul 3, 2013, 8:00 PM EDT
In force
53 hr
Issued by
NWS Tampa Bay, FL
Flood severity
None

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 18:52 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, 6.8 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 2013-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1569 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, Tampa Bay, FL at 12:00Z on 2013-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1569 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
47 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 flood watch 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 flood watch went out at Jul 1, 10:02 AM EDT, 4 hours 47 minutes earlier.

Area forecast discussion, Jul 1, 10:02 AM EDT, 4 hours 47 minutes before
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Hazardous weather outlook, Jul 1, 5:35 AM EDT, 9 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
535 AM EDT MON JUL 1 2013

FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-870-
873-876-012145-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DESOTO-CHARLOTTE-LEE-
TAMPA BAY WATERS-TARPON SPRINGS TO SUWANNEE RIVER OUT 20 NM-
ENGLEWOOD TO TARPON SPRINGS OUT 20 NM-
BONITA BEACH TO ENGLEWOOD OUT 20 NM-
TARPON SPRINGS TO SUWANNEE RIVER OUT 20 TO 60 NM-
ENGLEWOOD TO TARPON SPRINGS OUT 20 TO 60 NM-
BONITA BEACH TO ENGLEWOOD OUT 20 TO 60 NM-
535 AM EDT MON JUL 1 2013

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

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
NUMEROUS THUNDERSTORMS WILL CONTINUE TO STREAM NORTHWARD ACROSS
WEST CENTRAL AND SOUTHWEST FLORIDA TODAY AND TONIGHT. THE MAIN
IMPACTS WILL BE LOCALLY HEAVY RAIN...FREQUENT CLOUD TO GROUND
LIGHTNING...AND WIND GUSTS TO 40 MPH WITH THE STRONGER STORMS.

...FLOOD IMPACT...
RAINFALL OF 1 TO 2 INCHES BUT WITH LOCALLY HIGHER AMOUNTS WILL BE
POSSIBLE TODAY AND MAY CAUSE LOCALIZED FLOODING OF STREETS AND LOW
LYING AREAS. MINOR RIVER FLOODING MAY ALSO FORM IF HEAVY RAIN IS
CONCENTRATED IN RIVER BASINS AROUND TAMPA BAY.

...RIP CURRENT IMPACT...
LONG DURATIONS OF SOUTHWEST TO SOUTHERLY WINDS OVER THE GULF OF
MEXICO WILL RESULT IN A MODERATE TO HIGH RISK OF RIP CURRENTS AT
AREA BEACHES THROUGH AT LEAST TONIGHT.

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

...THUNDERSTORM IMPACT...
A SIMILAR PATTERN IS EXPECTED TUESDAY THROUGH WEDNESDAY WITH
SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS WEST CENTRAL AND
SOUTHWEST FLORIDA WITH LOCALLY HEAVY RAIN...FREQUENT CLOUD TO
GROUND LIGHTNING...AND WIND GUSTS TO 40 MPH WITH STRONGER STORMS.
AREAL COVERAGE OF STORMS WILL DECREASE THURSDAY THROUGH
SUNDAY.

...FLOOD IMPACT...
THE THREAT WILL CONTINUE FOR HEAVY RAIN MAINLY TUESDAY WHICH MAY
CAUSE FLOODING OF STREETS AND LOW LYING AREAS. EACH ADDITIONAL DAY
OF HEAVY RAIN INCREASES THE RISK OF RIVER FLOODING ACROSS WEST
CENTRAL FLORIDA.

...RIP CURRENT IMPACT...
A MODERATE RISK OF RIP CURRENTS MAY CONTINUE INTO TUESDAY.

...EXCESSIVE HEAT IMPACT...
A STRONG AREA OF HIGH PRESSURE WILL MOVE INTO THE AREA LATE IN
THE WEEK AND CONTINUE FOR THE WEEKEND. THIS WILL CREATE THE
POTENTIAL FOR HIGHS IN THE MID 90S WITH HEAT INDEX VALUES OF 100
TO 105 FOR SATURDAY AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

RKR

In the hours before

Special weather statement, Jul 1, 1:01 PM EDT, 1 hour 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
101 PM EDT MON JUL 1 2013

FLZ055-060>062-011745-
DE SOTO-MANATEE-SARASOTA-CHARLOTTE-
101 PM EDT MON JUL 1 2013

...STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN CHARLOTTE...
SARASOTA...SOUTHEASTERN MANATEE AND WESTERN DESOTO COUNTIES...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS
LOCATED ALONG A LINE EXTENDING FROM VENICE GARDENS TO FORT
OGDEN...OR ALONG A LINE EXTENDING FROM VENICE TO 11 MILES NORTHEAST
OF PORT CHARLOTTE...MOVING NORTHEAST AT 25 MPH...WILL AFFECT
LAUREL...NOKOMIS...VENICE AND FORT OGDEN...UNTIL 145 PM EDT.

THIS INCLUDES INTERSTATE 75 BETWEEN EXITS 179 AND 210.

GUSTY WINDS 35 TO 45 MPH WILL OCCUR.

&&

LAT...LON 2737 8245 2738 8205 2734 8205 2734 8184
      2705 8193 2701 8236 2701 8241 2703 8243
      2716 8250
TIME...MOT...LOC 1700Z 212DEG 23KT 2708 8238 2712 8197

MCKAUGHAN
Special weather statement, Jul 1, 2:00 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
200 PM EDT MON JUL 1 2013

FLZ052-011845-
POLK-
200 PM EDT MON JUL 1 2013

...STRONG THUNDERSTORMS WILL AFFECT EASTERN POLK COUNTY...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A THUNDERSTORM
LOCATED NEAR LAKE WALES MUNICIPAL AIRPORT...OR NEAR LAKE WALES...
MOVING NORTHEAST AT 25 MPH...WILL AFFECT WAHNETA...LAKE WALES...LAKE
WALES MUNICIPAL AIRPORT AND CYPRESS GARDENS...UNTIL 245 PM EDT.

GUSTY WINDS 35 TO 45 MPH WILL OCCUR. TORRENTIAL RAINS WILL REDUCE
VISIBILITY TO NEAR ZERO AND WILL CAUSE PONDING OF WATER ON ROADWAYS.

&&

LAT...LON 2802 8138 2805 8145 2800 8141 2801 8139
      2797 8136 2778 8159 2794 8176 2827 8156
      2820 8152 2815 8152 2815 8146 2809 8144
      2809 8135 2807 8134
TIME...MOT...LOC 1800Z 214DEG 20KT 2792 8163

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 8:22 PM EDTAreal Flood AdvisoryTBWHighlands113 min
Jun 30, 8:27 PM EDTSpecial Weather StatementTBWPinellas33 min
Jun 30, 8:45 PM EDTSpecial Weather StatementTBWHillsborough45 min
Jun 30, 8:58 PM EDTAreal Flood AdvisoryTBWHillsborough92 min
Jun 30, 9:12 PM EDTAreal Flood AdvisoryTBWLee93 min
Jun 30, 9:39 PM EDTSpecial Marine WarningTBW21 min
Jun 30, 11:50 PM EDTAreal Flood AdvisoryTBWLee55 min
Jul 1, 12:02 AM EDTSpecial Marine WarningTBW28 min
Jul 1, 12:54 AM EDTSpecial Weather StatementTBWCharlotte51 min
Jul 1, 1:02 AM EDTSpecial Weather StatementTBWCitrus58 min
Jul 1, 1:36 AM EDTAreal Flood AdvisoryTBWCharlotte, Sarasota84 min
Jul 1, 2:47 AM EDTAreal Flood AdvisoryTBWPinellas88 min
Jul 1, 4:57 AM EDTSpecial Weather StatementTBWLee63 min
Jul 1, 1:01 PM EDTSpecial Weather StatementTBWSarasota44 min
Jul 1, 1:35 PM EDTSpecial Marine WarningTBW40 min
Jul 1, 2:00 PM EDTSpecial Weather StatementTBWPolk45 min
Jul 1, 3:39 PM EDTSpecial Weather StatementTBWCharlotte51 min
Jul 1, 3:43 PM EDTSpecial Marine WarningTBW47 min
Jul 1, 4:07 PM EDTAreal Flood AdvisoryTBWCharlotte, Lee113 min
Jul 1, 4:21 PM EDTSpecial Weather StatementTBWCharlotte, DeSoto, Hardee, Manatee39 min
Jul 1, 6:54 PM EDTAreal Flood AdvisoryTBWCharlotte, Lee, Sarasota111 min
Jul 1, 7:09 PM EDTAreal Flood AdvisoryTBWPinellas2 hr

Nearby

Flood Watches in Florida, 2013Every flood watch 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.