Alert archive / Florida / Flood Watches in 2012
Flood Watch 6, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this flood watch at Aug 20, 2012, 9:35 AM EDT for Pinellas County, Polk County, Sumter County, Florida. It took effect at Aug 20, 2012, 10:00 AM EDT. It was in force for 3 days.
The area
The counties it named.
The facts
- Issued
- Aug 20, 2012, 9:35 AM EDT (13:35 UTC)
- In effect from
- Aug 20, 2012, 10:00 AM EDT
- Expired
- Aug 23, 2012, 4:00 PM EDT
- In force
- 3 days
- Issued by
- NWS Tampa Bay, FL
- Flood severity
- None
Counties Pinellas County, FL, Polk County, FL, Sumter County, FL
The radar
The Tampa radar (KTBW), 58 km from the middle of the area, began a volume at 13:34 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, 1.6 hours before the alert went out and 167 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
- 605 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 994 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Aug 20, 9:07 AM EDT, 28 minutes earlier.
Area forecast discussion, Aug 20, 9:07 AM EDT, 28 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 |
|---|---|---|---|---|
| Aug 19, 8:14 PM EDT | Special Marine Warning | TBW | 31 min | |
| Aug 20, 3:44 PM EDT | Special Marine Warning | TBW | 46 min |
Nearby
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.