Alert archive / Florida / Special Weather Statements in 2012
Special Weather Statement, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this special weather statement at Jul 18, 2012, 11:57 AM EDT for Polk County, Florida. It was in force for 48 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
- Jul 18, 2012, 11:57 AM EDT (15:57 UTC)
- Expired
- Jul 18, 2012, 12:45 PM EDT
- In force
- 48 min
- Issued by
- NWS Tampa Bay, FL
County Polk County, FL
The radar
The Tampa radar (KTBW), 46 km from the middle of the area, began a volume at 15:59 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 4.0 hours before the alert went out and 163 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.
- Mixed-layer CAPE
- 231 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 955 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Tampa Bay, FL wrote its last area forecast discussion before this special weather statement went out at Jul 18, 10:33 AM EDT, 1 hour 24 minutes earlier.
Area forecast discussion, Jul 18, 10:33 AM EDT, 1 hour 24 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 1033 AM EDT WED JUL 18 2012 .DISCUSSION... NUMEROUS SHOWERS AND THUNDERSTORMS THIS MORNING FROM THE TAMPA BAY AREA NORTHWARD. THE SOUTHERN HALF OF THE AREA WILL BE SEEING THUNDERSTORM DEVELOPMENT LATER THIS AFTERNOON AS HEATING AND THE SEA BREEZE HELP TO FIRE THEM. TEMPS WILL BE REACHING INTO THE UPPER 80S TO LOWER 90S THIS AFTERNOON. CURRENT FORECAST IS ON TRACK WITH ALL THIS AND HAVE NO UPDATES PLANNED. && .AVIATION... SCATTERED SHOWERS/STORMS WILL REDUCE CIGS/VSBYS TO MVFR AND POSSIBLY IFR LEVELS OCCASIONALLY THROUGH MID MORNING AT THE NORTHERN TAF SITES...BUT SHOULD SEE COVERAGE DECREASE BY LATE MORNING INTO EARLY AFTERNOON AS DAYTIME HEATING DISRUPTS STREAM OF ACTIVITY MOVING IN FROM THE GULF. EXPECT ADDITIONAL SHOWER/STORM DEVELOPMENT ALL TERMINALS BY MID AFTERNOON...AND WILL HANDLE WITH VCTS FOR NOW. SHOWERS/STORMS ARE EXPECTED TO END BY EARLY THIS EVENING...THEN VFR CONDITIONS ARE EXPECTED THROUGH THE REMAINDER OF THE OVERNIGHT HOURS. && .MARINE... WINDS AND SEAS WILL REMAIN LIGHT FOR THE NEXT SEVERAL DAYS WITH HIGH PRESSURE RIDGING ACROSS THE WATERS FROM THE SE. SCATTERED TO NUMEROUS THUNDERSTORMS IN PLACE THIS MORNING WILL GRADUALLY DIMINISH THROUGH THE EVENING WITH WINDS AND SEAS LOCALLY HIGHER IN STORMS. NO MAJOR CHANGES FOR THE UPDATE. && .TBW WATCHES/WARNINGS/ADVISORIES... FL...NONE. GULF WATERS...NONE. && SHORT TERM/MARINE/FIRE WEATHER...24/COLSON LONG TERM/AVIATION...21/JELSEMA
Hazardous weather outlook, Jul 18, 5:18 AM EDT, 6 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 518 AM EDT WED JUL 18 2012 FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-870- 873-876-182130- 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- 518 AM EDT WED JUL 18 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS COASTAL AREAS THIS MORNING THEN PUSH INLAND WITH THE SEA BREEZE THIS AFTERNOON. THE MAIN IMPACT FROM THESE STORMS TODAY WILL BE FREQUENT CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAIN. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. ...THUNDERSTORM IMPACT... SCATTERED AFTERNOON THUNDERSTORMS WILL OCCUR ALONG SEA BREEZE BOUNDARIES EACH DAY. DRIER AIR MAY LIMIT OUR OVERALL THUNDERSTORM CHANCES ON FRIDAY AND SATURDAY...BUT ALL THUNDERSTORMS ARE CAPABLE OF PRODUCING DEADLY CLOUD TO GROUND LIGHTNING. ...EXCESSIVE HEAT IMPACT... HEAT INDICES ARE FORECAST TO CLIMB TO BETWEEN 100 AND 105 DEGREES EACH AFTERNOON THURSDAY THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. JILLSON
In the hours before
Local storm report, Jul 18, 9:33 AM EDT, 2 hours 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
933 AM EDT WED JUL 18 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0900 AM FLOOD HOLIDAY 28.19N 82.74W
07/18/2012 PASCO FL BROADCAST MEDIA
STREET FLOODING WAS REPORTED IN HOLIDAY AROUND THE
INTERSECTION OF US HIGHWAY 19 AND ALTERNATE 19.
0900 AM FLOOD JASMINE ESTATES 28.29N 82.69W
07/18/2012 PASCO FL BROADCAST MEDIA
STREET FLOODING WAS REPORTED IN JASMINE ESTATES NEAR THE
INTERSECTION OF US HIGHWAY 19 AND EMBASSY BOULEVARD.
&&
COLSONSpecial weather statement, Jul 18, 11:57 AM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 8:30 AM EDT | Areal Flood Advisory | TBW | Hillsborough, Pasco, Pinellas | 90 min |
| Jul 18, 10:57 AM EDT | River Flood Warning | TBW | Pasco | 59 hr |
| Jul 18, 1:13 PM EDT | Special Marine Warning | TBW | 92 min | |
| Jul 18, 3:28 PM EDT | Special Weather Statement | TBW | Highlands | 47 min |
| Jul 18, 3:29 PM EDT | Special Weather Statement | TBW | Pasco | 46 min |
Nearby
Special Weather Statements in Florida, 2012Every special weather statement in 2012
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.