Alert archive / Florida / Flash Flood Warnings in 2011
Flash Flood Warning 2, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this flash flood warning at Aug 27, 2011, 4:21 PM EDT for Polk County, Florida. It was in force for 84 min. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 27, 2011, 4:21 PM EDT (20:21 UTC)
- Expired
- Aug 27, 2011, 5:45 PM EDT
- In force
- 84 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
- Flood severity
- None
County Polk County, FL
The radar
The Tampa radar (KTBW), 70 km from the middle of the area, began a volume at 20:24 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 27, 4:25 PM EDT | FLASH FLOOD | Lake Wales, FL | SEVERAL AREAS ALONG STATE ROAD 17 THROUGH LAKE WALES UNDER 1 TO 2 FEET OF MOVING WATER. |
| Aug 27, 4:30 PM EDT | FLASH FLOOD | 1 S Auburndale, FL | LAW ENFORCEMENT SETTING UP BARRICADES AND REDIRECTING TRAFFIC AROUND MOVING FLOOD WATERS NEAR THE MEKEAN STREET AND BRIDGERS AVENUE AREA. |
| Aug 27, 4:30 PM EDT | FLASH FLOOD | 3 Wsw Winter Haven, FL | DEPUTIES RESPONDING TO MOVING WATER OVER ROADWAYS IN THE AREAS AROUND RECKER HIGHWAY...VANIMAN AVE AND TAYLOR BLVD. |
| Aug 27, 4:47 PM EDT | HEAVY RAIN 3.46 | 3 Ese Auburndale, FL | 3.46 INCHES OF RAIN REPORTED AT WINTER HAVEN GILBERT AIRPORT IN LESS THAN 3 AND A HALF HOURS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 8.4 hours before the alert went out and 70 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
- 3079 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 798 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
831
WGUS52 KTBW 272021
FFWTBW
FLC105-272145-
/O.NEW.KTBW.FF.W.0002.110827T2021Z-110827T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
421 PM EDT SAT AUG 27 2011
THE NATIONAL WEATHER SERVICE OFFICE IN RUSKIN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL POLK COUNTY IN FLORIDA.
* UNTIL 545 PM EDT
* AT 414 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY RAIN THAT COULD LEAD TO FLASH FLOODING OVER THE WARNED
AREA. DOPPLER RADAR INDICATES RAINFALL TOTALS OF 2 TO 6 INCHES
OVER THE PAST THREE HOURS AND AN ADDITIONAL 1 TO 3 INCHES IS
POSSIBLE.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINTER
HAVEN...LAKE ALFRED...INWOOD...CRYSTAL LAKE AND AUBURNDALE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
KEEP CHILDREN FROM BEING SWEPT AWAY IN FLOODED DITCHES AND DRAINS.
FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR AND MAY STALL YOUR
VEHICLE. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP
VEHICLES OFF THE ROAD. TURN AROUND...DONT DROWN.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 2810 8192 2816 8174 2786 8152 2780 8164
2800 8191
$$1 follow-up statement
116
WGUS72 KTBW 272135
FFSTBW
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
535 PM EDT SAT AUG 27 2011
FLC105-272145-
/O.CON.KTBW.FF.W.0002.000000T0000Z-110827T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POLK FL-
535 PM EDT SAT AUG 27 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR POLK
COUNTY...
AT 524 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWER AND THUNDERSTORM ACTIVITY WAS ENDING IN THE WARNING AREA.
DOPPLER RADAR INDICATES 2 TO 7 INCHES OF RAIN HAS FALLEN SINCE
APPROXIMATELY 1 PM. AREAS OF FLOODING WILL CONTINUE AS WATER WILL
TAKE TIME TO DRAIN FROM ROADWAYS AND INTERSECTIONS. MOTORISTS ARE
ARE URGED TO DRIVE WITH CAUTION THROUGH THE EVENING HOURS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINTER
HAVEN...LAKE ALFRED...INWOOD...CYPRESS GARDENS...CRYSTAL LAKE AND
AUBURNDALE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 2810 8192 2816 8174 2786 8152 2780 8164
2800 8191
$$The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 11:49 PM EDT | Special Weather Statement | TBW | Levy | 26 min |
| Aug 26, 11:52 PM EDT | Special Marine Warning | TBW | 53 min | |
| Aug 27, 1:07 PM EDT | Special Weather Statement | TBW | Polk | 38 min |
| Aug 27, 2:00 PM EDT | Special Weather Statement | TBW | Polk | 45 min |
| Aug 27, 2:58 PM EDT | Areal Flood Advisory | TBW | Polk | 92 min |
| Aug 27, 3:10 PM EDT | Special Weather Statement | TBW | Polk | 50 min |
| Aug 27, 3:40 PM EDT | Special Weather Statement | TBW | Polk | 50 min |
| Aug 27, 4:09 PM EDT | Heat Advisory | TBW | Pinellas | 28 hr |
| Aug 27, 4:27 PM EDT | Special Weather Statement | TBW | Polk | 63 min |
| Aug 27, 4:40 PM EDT | Areal Flood Advisory | TBW | Polk | 65 min |
| Aug 27, 5:52 PM EDT | Areal Flood Warning | TBW | Polk | 3 hr |
Nearby
Flash Flood Warnings in Florida, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.