Alert archive / Florida / Red Flag Warnings in 2016

Red Flag Warning 9, NWS Tampa Bay, FL

November 22, 2016Manatee County, Pinellas County, Florida

NWS Tampa Bay, FL issued this red flag warning at Nov 22, 2016, 3:27 AM EST for Manatee County, Pinellas County, Florida. It took effect at Nov 22, 2016, 10:00 AM EST. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 22, 2016, 3:27 AM EST (08:27 UTC)
In effect from
Nov 22, 2016, 10:00 AM EST
Expired
Nov 22, 2016, 6:00 PM EST
In force
8 hr
Issued by
NWS Tampa Bay, FL

Counties Manatee County, FL, Pinellas County, FL

The radar

The Tampa radar (KTBW), 14 km from the middle of the area, began a volume at 08:24 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.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 8.5 hours before the alert went out and 14 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 00:00Z on 2016-11-22Temperature 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 00:00Z on 2016-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 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
3451 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

477 
WWUS82 KTBW 220827
RFWTBW

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
327 AM EST TUE NOV 22 2016

...RED FLAG WARNING TODAY FOR PINELLAS AND MANATEE COUNTIES FOR
CRITICAL RELATIVE HUMIDITY VALUES AND HIGH ERC VALUES...

.A DRY AIR MASS WILL REMAIN OVER THE AREA TODAY BEFORE CONDITIONS
IMPROVE FOR THE REST OF THE WEEK.

FLZ050-155-255-222300-
/O.NEW.KTBW.FW.W.0009.161122T1500Z-161122T2300Z/
PINELLAS-COASTAL MANATEE-INLAND MANATEE-
327 AM EST TUE NOV 22 2016

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EST
THIS EVENING FOR CRITICAL RELATIVE HUMIDITY VALUES AND HIGH ERC
VALUES.

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM THIS
MORNING TO 6 PM EST THIS EVENING. 

* AFFECTED AREA...PINELLAS...COASTAL MANATEE...INLAND MANATEE.

* WIND...NORTHEAST 5 TO 10 MPH.

* HUMIDITY...29 TO 32 PERCENT.

* ERC...43 IN PINELLAS AND 47 IN MANATEE.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING IS ISSUED WHEN VERY FAVORABLE CONDITIONS FOR
THE SPREAD OF WILDFIRE ARE OCCURRING NOW...OR WILL OCCUR WITHIN
24 HOURS.

&&

$$

Nearby

Red Flag Warnings in Florida, 2016Every red flag warning in 2016

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.