Alert archive / Florida / Red Flag Warnings in 2017

Red Flag Warning 2, NWS Tampa Bay, FL

March 16, 20175 counties in Florida

NWS Tampa Bay, FL issued this red flag warning at Mar 16, 2017, 4:05 AM EDT for 5 counties in Florida. It took effect at Mar 16, 2017, 11:00 AM EDT. It was in force for 9 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
Mar 16, 2017, 4:05 AM EDT (08:05 UTC)
In effect from
Mar 16, 2017, 11:00 AM EDT
Expired
Mar 16, 2017, 8:00 PM EDT
In force
9 hr
Issued by
NWS Tampa Bay, FL

Counties Hernando County, FL, Lee County, FL, Pinellas County, FL, Polk County, FL, Sarasota County, FL

The radar

The Tampa radar (KTBW), 19 km from the middle of the area, began a volume at 08:05 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, 8.1 hours before the alert went out and 19 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 2017-03-16Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2017-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -107 square meters per square second.1939587897117Sfc1 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
1661 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-107 m²/s²
0-3 km storm-relative helicity
-97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

841 
WWUS82 KTBW 160805
RFWTBW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tampa Bay Area - Ruskin FL
405 AM EDT Thu Mar 16 2017

...A RED FLAG WARNING AS BEEN ISSUED THIS AFTERNOON FOR A
COMBINATION OF LOW RELATIVE HUMIDITY AND ERC VALUES ABOVE 37...

.Drier air arriving combined with ERC values above 37 will 
produce red flag conditions across portions of west-central 
and southwest Florida this afternoon.

FLZ050-148-165-248-265-170000-
/O.NEW.KTBW.FW.W.0002.170316T1500Z-170317T0000Z/
Pinellas-Coastal Hernando-Coastal Lee-Inland Hernando-Inland Lee-
405 AM EDT Thu Mar 16 2017

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT
THIS EVENING FOR A COMBINATION OF LOW RELATIVE HUMIDITY AND ERC 
VALUES ABOVE 37...

The National Weather Service in Tampa Bay Area - Ruskin FL has
issued a Red Flag Warning, which is in effect from 11 AM this
morning to 8 PM EDT this evening. 

* AFFECTED AREA...Pinellas...Coastal Hernando...Coastal Lee... 
  Inland Hernando...Inland Lee. 

* WIND...Sustained winds 5-10 mph. 

* HUMIDITY...Less than 35 percent.

* ERC...37 or above.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$
2 follow-up statements
491 
WWUS82 KTBW 161553
RFWTBW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tampa Bay Area - Ruskin FL
1153 AM EDT Thu Mar 16 2017

...A RED FLAG WARNING AS BEEN ISSUED THIS AFTERNOON FOR A
COMBINATION OF LOW RELATIVE HUMIDITY...high ERC VALUES...and wind.

.Drier air arriving combined with ERC values above 37 will
produce red flag conditions across portions of west-central and
southwest Florida this afternoon.

FLZ052-160-260-170000-
/O.EXA.KTBW.FW.W.0002.000000T0000Z-170317T0000Z/
Polk-Coastal Sarasota-Inland Sarasota-
1153 AM EDT Thu Mar 16 2017

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR A
COMBINATION OF LOW RELATIVE HUMIDITY AND ERC VALUES ABOVE 27...

The National Weather Service in Tampa Bay Area - Ruskin FL has
issued a Red Flag Warning, which is in effect until 8 PM EDT this
evening. 

* AFFECTED AREA...Polk...Coastal Sarasota...Inland Sarasota. 
Hernando...Inland Lee. 

* WIND...Sustained winds of 15 mph.

* HUMIDITY...Less than 35 percent.

* ERC...27 or above.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

FLZ050-148-165-248-265-170000-
/O.CON.KTBW.FW.W.0002.000000T0000Z-170317T0000Z/
Pinellas-Coastal Hernando-Coastal Lee-Inland Hernando-Inland Lee-
1153 AM EDT Thu Mar 16 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR A COMBINATION OF LOW RELATIVE HUMIDITY AND ERC VALUES ABOVE
37...

* AFFECTED AREA...Pinellas...Coastal Hernando...Coastal Lee... 
  Inland Hernando...Inland Lee. 

* WIND...Sustained winds 5-10 mph.

* HUMIDITY...Less than 35 percent.

* ERC...37 or above.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$
967 
WWUS82 KTBW 161603 CCA
RFWTBW

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Tampa Bay Area - Ruskin FL
1203 PM EDT Thu Mar 16 2017

...A RED FLAG WARNING AS BEEN ISSUED THIS AFTERNOON FOR A
COMBINATION OF LOW RELATIVE HUMIDITY...HIGH ERC VALUES...
AND WIND...

.Drier air arriving combined with ERC values above 37 will
produce red flag conditions across portions of west-central and
southwest Florida this afternoon.

FLZ052-160-260-170000-
/O.COR.KTBW.FW.W.0002.000000T0000Z-170317T0000Z/
Polk-Coastal Sarasota-Inland Sarasota-
1203 PM EDT Thu Mar 16 2017

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR A
COMBINATION OF LOW RELATIVE HUMIDITY AND ERC VALUES ABOVE 27...

The National Weather Service in Tampa Bay Area - Ruskin FL has
issued a Red Flag Warning, which is in effect until 8 PM EDT this
evening. 

* AFFECTED AREA...Polk...Coastal Sarasota...Inland Sarasota. 

* WIND...Sustained winds of 15 mph.

* HUMIDITY...Less than 35 percent.

* ERC...27 or above.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

FLZ050-148-165-248-265-170000-
/O.CON.KTBW.FW.W.0002.000000T0000Z-170317T0000Z/
Pinellas-Coastal Hernando-Coastal Lee-Inland Hernando-Inland Lee-
1203 PM EDT Thu Mar 16 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR A COMBINATION OF LOW RELATIVE HUMIDITY AND ERC VALUES ABOVE
37...

* AFFECTED AREA...Pinellas...Coastal Hernando...Coastal Lee... 
  Inland Hernando...Inland Lee. 

* WIND...Sustained winds 5-10 mph.

* HUMIDITY...Less than 35 percent.

* ERC...37 or above.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

Nearby

Red Flag Warnings in Florida, 2017Every red flag warning in 2017

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.