Alert archive / Florida / Red Flag Warnings in 2012
Red Flag Warning 16, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at Mar 20, 2012, 8:53 AM CDT for 12 counties in Florida. It took effect at Mar 20, 2012, 1:00 PM CDT. It was in force for 6 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 20, 2012, 8:53 AM CDT (13:53 UTC)
- In effect from
- Mar 20, 2012, 1:00 PM CDT
- Expired
- Mar 20, 2012, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Tallahassee, FL
Counties Bay County, FL, Calhoun County, FL, Gadsden County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Taylor County, FL, Walton County, FL, Washington County, FL
The radar
The Tallahassee radar (KTLH), 39 km from the middle of the area, began a volume at 13:58 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 1.9 hours before the alert went out and 42 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
- 10 J/kg
- Mixed-layer CIN
- -231 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -94 m²/s²
- 0-3 km storm-relative helicity
- -128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
516 WWUS82 KTAE 201353 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 953 AM EDT TUE MAR 20 2012 ...RED FLAG WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING FOR INLAND FLORIDA COUNTIES DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY VALUES AND HIGH DISPERSION INDICES... .RELATIVE HUMIDITY VALUES THIS AFTERNOON WILL DIP BELOW 35 PERCENT FOR ABOUT THREE HOURS IN COMBINATION WITH DISPERSION INDICES ABOVE 75. THIS MEANS THAT MOST OF INLAND FLORIDA IS EXPECTED TO REACH RED FLAG CRITERIA THIS AFTERNOON. TOMORROW AND LATER THIS WEEK RELATIVE HUMIDITY SHOULD REMAIN ABOVE 35 PERCENT SO THERE ARE NO OTHER FIRE WEATHER CONCERNS EXPECTED THROUGH THE WEEKEND. FLZ007>013-016>019-026-028-029-210000- /O.NEW.KTAE.FW.W.0016.120320T1800Z-120321T0000Z/ INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY- CALHOUN-GADSDEN-LEON-INLAND JEFFERSON-MADISON-LIBERTY- INLAND TAYLOR-LAFAYETTE- 953 AM EDT TUE MAR 20 2012 /853 AM CDT TUE MAR 20 2012/ ...RED FLAG WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING FOR INLAND FLORIDA COUNTIES DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY VALUES AND HIGH DISPERSION INDICES... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 8 PM EDT /7 PM CDT/ THIS EVENING. * HUMIDITY...MINIMUM VALUES AROUND 30 PERCENT. * DISPERSION...VALUES AROUND 80. * 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. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$ MOORE/SCHAER/BLOCK
Nearby
Red Flag Warnings in Florida, 2012Every red flag warning 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.