Alert archive / Florida / Red Flag Warnings in 2011
Red Flag Warning 101, NWS Tallahassee, FL
NWS Tallahassee, FL issued this red flag warning at Oct 25, 2011, 4:34 AM EDT for 4 counties in Florida. It took effect at Oct 25, 2011, 2:00 PM EDT. It was in force for 5 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
- Oct 25, 2011, 4:34 AM EDT (08:34 UTC)
- In effect from
- Oct 25, 2011, 2:00 PM EDT
- Expired
- Oct 25, 2011, 7:00 PM EDT
- In force
- 5 hr
- Issued by
- NWS Tallahassee, FL
Counties Dixie County, FL, Lafayette County, FL, Madison County, FL, Taylor County, FL
The radar
The Tallahassee radar (KTLH), 102 km from the middle of the area, began a volume at 08:32 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 00:00Z, 8.6 hours before the alert went out and 100 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2013 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
361 WWUS82 KTAE 250834 RFWTAE URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TALLAHASSEE FL 434 AM EDT TUE OCT 25 2011 ...RED FLAG WARNING IN EFFECT FOR THE SOUTHEAST FLORIDA BIG BEND FROM 2 PM UNTIL 7 PM EDT TODAY DUE TO LONG DURATIONS OF RELATIVE HUMIDITY VALUES LESS THAN 35 PERCENT COINCIDENT WITH DISPERSION INDICES ABOVE 75... .A RIDGE OF HIGH PRESSURE WILL SLOWLY SLIDE TO THE NORTH OF THE FORECAST AREA DURING THE NEXT COUPLE OF DAYS. EXPECT ONE MORE DAY WITH WIDESPREAD RELATIVE HUMIDITY VALUES AT OR NEAR CRITICAL LEVELS BEFORE EAST AND SOUTHEAST WINDS BEGIN TO INCREASE THE LOW LEVEL MOISTURE. HIGH DISPERSION INDICES WILL CREATE A PERIOD OF RED FLAG CONDITIONS ACROSS THE SOUTHEAST FLORIDA BIG BEND TODAY. FLZ017-018-027-118-250945- /O.CAN.KTAE.FW.A.0083.111025T1700Z-111025T2300Z/ LEON-INLAND JEFFERSON-INLAND WAKULLA-COASTAL JEFFERSON- 434 AM EDT TUE OCT 25 2011 ...FIRE WEATHER WATCH IS CANCELLED FOR TODAY... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS CANCELLED THE FIRE WEATHER WATCH THAT WAS IN EFFECT TODAY FOR THE FOLLOWING COUNTIES IN NORTH FLORIDA...LEON...JEFFERSON AND WAKULLA. $$ FLZ019-028-029-034-128-134-252300- /O.UPG.KTAE.FW.A.0083.111025T1700Z-111025T2300Z/ /O.NEW.KTAE.FW.W.0101.111025T1800Z-111025T2300Z/ MADISON-INLAND TAYLOR-LAFAYETTE-INLAND DIXIE-COASTAL TAYLOR- COASTAL DIXIE- 434 AM EDT TUE OCT 25 2011 ...RED FLAG WARNING IN EFFECT FOR THE SOUTHEAST FLORIDA BIG BEND FROM 2 PM UNTIL 7 PM EDT TODAY DUE TO LONG DURATIONS OF RELATIVE HUMIDITY VALUES LESS THAN 35 PERCENT COINCIDENT WITH DISPERSION INDICES ABOVE 75... THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING. * AFFECTED AREA...MADISON...TAYLOR...LAFAYETTE...AND DIXIE COUNTIES. * HUMIDITY...BELOW 35 PERCENT. * SMOKE DISPERSION...75 TO 90. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY WILL ENHANCE FIRE GROWTH POTENTIAL. && $$ GODSEY
Nearby
Red Flag Warnings in Florida, 2011Every red flag 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.